Toniolo and Linder, Equation (10-)

Percentage Accurate: 35.5% → 97.5%
Time: 21.3s
Alternatives: 15
Speedup: 38.3×

Specification

?
\[\begin{array}{l} \\ \frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (/
  2.0
  (*
   (* (* (/ (pow t 3.0) (* l l)) (sin k)) (tan k))
   (- (+ 1.0 (pow (/ k t) 2.0)) 1.0))))
double code(double t, double l, double k) {
	return 2.0 / ((((pow(t, 3.0) / (l * l)) * sin(k)) * tan(k)) * ((1.0 + pow((k / t), 2.0)) - 1.0));
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = 2.0d0 / (((((t ** 3.0d0) / (l * l)) * sin(k)) * tan(k)) * ((1.0d0 + ((k / t) ** 2.0d0)) - 1.0d0))
end function
public static double code(double t, double l, double k) {
	return 2.0 / ((((Math.pow(t, 3.0) / (l * l)) * Math.sin(k)) * Math.tan(k)) * ((1.0 + Math.pow((k / t), 2.0)) - 1.0));
}
def code(t, l, k):
	return 2.0 / ((((math.pow(t, 3.0) / (l * l)) * math.sin(k)) * math.tan(k)) * ((1.0 + math.pow((k / t), 2.0)) - 1.0))
function code(t, l, k)
	return Float64(2.0 / Float64(Float64(Float64(Float64((t ^ 3.0) / Float64(l * l)) * sin(k)) * tan(k)) * Float64(Float64(1.0 + (Float64(k / t) ^ 2.0)) - 1.0)))
end
function tmp = code(t, l, k)
	tmp = 2.0 / (((((t ^ 3.0) / (l * l)) * sin(k)) * tan(k)) * ((1.0 + ((k / t) ^ 2.0)) - 1.0));
end
code[t_, l_, k_] := N[(2.0 / N[(N[(N[(N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(N[(1.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] - 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)}
\end{array}

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

The average percentage accuracy by input value. Horizontal axis shows value of an input variable; the variable is choosen in the title. Vertical axis is accuracy; higher is better. Red represent the original program, while blue represents Herbie's suggestion. These can be toggled with buttons below the plot. The line is an average while dots represent individual samples.

Accuracy vs Speed?

Herbie found 15 alternatives:

AlternativeAccuracySpeedup
The accuracy (vertical axis) and speed (horizontal axis) of each alternatives. Up and to the right is better. The red square shows the initial program, and each blue circle shows an alternative.The line shows the best available speed-accuracy tradeoffs.

Initial Program: 35.5% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (/
  2.0
  (*
   (* (* (/ (pow t 3.0) (* l l)) (sin k)) (tan k))
   (- (+ 1.0 (pow (/ k t) 2.0)) 1.0))))
double code(double t, double l, double k) {
	return 2.0 / ((((pow(t, 3.0) / (l * l)) * sin(k)) * tan(k)) * ((1.0 + pow((k / t), 2.0)) - 1.0));
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = 2.0d0 / (((((t ** 3.0d0) / (l * l)) * sin(k)) * tan(k)) * ((1.0d0 + ((k / t) ** 2.0d0)) - 1.0d0))
end function
public static double code(double t, double l, double k) {
	return 2.0 / ((((Math.pow(t, 3.0) / (l * l)) * Math.sin(k)) * Math.tan(k)) * ((1.0 + Math.pow((k / t), 2.0)) - 1.0));
}
def code(t, l, k):
	return 2.0 / ((((math.pow(t, 3.0) / (l * l)) * math.sin(k)) * math.tan(k)) * ((1.0 + math.pow((k / t), 2.0)) - 1.0))
function code(t, l, k)
	return Float64(2.0 / Float64(Float64(Float64(Float64((t ^ 3.0) / Float64(l * l)) * sin(k)) * tan(k)) * Float64(Float64(1.0 + (Float64(k / t) ^ 2.0)) - 1.0)))
end
function tmp = code(t, l, k)
	tmp = 2.0 / (((((t ^ 3.0) / (l * l)) * sin(k)) * tan(k)) * ((1.0 + ((k / t) ^ 2.0)) - 1.0));
end
code[t_, l_, k_] := N[(2.0 / N[(N[(N[(N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(N[(1.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] - 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)}
\end{array}

Alternative 1: 97.5% accurate, 2.0× speedup?

\[\begin{array}{l} \\ \frac{\frac{2}{\frac{k}{\ell}}}{t} \cdot \frac{\frac{\frac{\ell}{\sin k}}{\tan k}}{k} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (* (/ (/ 2.0 (/ k l)) t) (/ (/ (/ l (sin k)) (tan k)) k)))
double code(double t, double l, double k) {
	return ((2.0 / (k / l)) / t) * (((l / sin(k)) / tan(k)) / k);
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = ((2.0d0 / (k / l)) / t) * (((l / sin(k)) / tan(k)) / k)
end function
public static double code(double t, double l, double k) {
	return ((2.0 / (k / l)) / t) * (((l / Math.sin(k)) / Math.tan(k)) / k);
}
def code(t, l, k):
	return ((2.0 / (k / l)) / t) * (((l / math.sin(k)) / math.tan(k)) / k)
function code(t, l, k)
	return Float64(Float64(Float64(2.0 / Float64(k / l)) / t) * Float64(Float64(Float64(l / sin(k)) / tan(k)) / k))
end
function tmp = code(t, l, k)
	tmp = ((2.0 / (k / l)) / t) * (((l / sin(k)) / tan(k)) / k);
end
code[t_, l_, k_] := N[(N[(N[(2.0 / N[(k / l), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision] * N[(N[(N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision] / k), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\frac{2}{\frac{k}{\ell}}}{t} \cdot \frac{\frac{\frac{\ell}{\sin k}}{\tan k}}{k}
\end{array}
Derivation
  1. Initial program 36.8%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Step-by-step derivation
    1. *-commutativeN/A

      \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
    2. associate-*r*N/A

      \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
    3. associate-/r*N/A

      \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
    4. /-lowering-/.f64N/A

      \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
  3. Simplified66.0%

    \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. clear-numN/A

      \[\leadsto \frac{1}{\color{blue}{\frac{\tan k}{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}}} \]
    2. /-lowering-/.f64N/A

      \[\leadsto \mathsf{/.f64}\left(1, \color{blue}{\left(\frac{\tan k}{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}\right)}\right) \]
    3. /-lowering-/.f64N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\tan k, \color{blue}{\left(\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}\right)}\right)\right) \]
    4. tan-lowering-tan.f64N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \left(\frac{\color{blue}{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}}{\sin k}\right)\right)\right) \]
    5. associate-/r/N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \left(\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\sin \color{blue}{k}}\right)\right)\right) \]
    6. associate-/l*N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\sin k}}\right)\right)\right) \]
    7. *-lowering-*.f64N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\sin k}\right)}\right)\right)\right) \]
  6. Applied egg-rr87.2%

    \[\leadsto \color{blue}{\frac{1}{\frac{\tan k}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k}}}} \]
  7. Taylor expanded in k around 0

    \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{*.f64}\left(\color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot t}\right)}, \mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right)\right)\right)\right) \]
  8. Step-by-step derivation
    1. associate-/r*N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{*.f64}\left(\left(2 \cdot \frac{\frac{\ell}{{k}^{2}}}{t}\right), \mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right)\right)\right)\right) \]
    2. associate-*r/N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{*.f64}\left(\left(\frac{2 \cdot \frac{\ell}{{k}^{2}}}{t}\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{sin.f64}\left(k\right)\right)\right)\right)\right) \]
    3. /-lowering-/.f64N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{{k}^{2}}\right), t\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{sin.f64}\left(k\right)\right)\right)\right)\right) \]
    4. unpow2N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{k \cdot k}\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right)\right)\right)\right) \]
    5. associate-/r*N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\frac{\ell}{k}}{k}\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right)\right)\right)\right) \]
    6. associate-*r/N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2 \cdot \frac{\ell}{k}}{k}\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right)\right)\right)\right) \]
    7. /-lowering-/.f64N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{k}\right), k\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right)\right)\right)\right) \]
    8. *-lowering-*.f64N/A

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \left(\frac{\ell}{k}\right)\right), k\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right)\right)\right)\right) \]
    9. /-lowering-/.f6492.6%

      \[\leadsto \mathsf{/.f64}\left(1, \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right)\right)\right)\right) \]
  9. Simplified92.6%

    \[\leadsto \frac{1}{\frac{\tan k}{\color{blue}{\frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t}} \cdot \frac{\ell}{\sin k}}} \]
  10. Step-by-step derivation
    1. clear-numN/A

      \[\leadsto \frac{\frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t} \cdot \frac{\ell}{\sin k}}{\color{blue}{\tan k}} \]
    2. associate-*r/N/A

      \[\leadsto \frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t} \cdot \color{blue}{\frac{\frac{\ell}{\sin k}}{\tan k}} \]
    3. associate-/r*N/A

      \[\leadsto \frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t} \cdot \frac{\ell}{\color{blue}{\sin k \cdot \tan k}} \]
    4. *-lowering-*.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t}\right), \color{blue}{\left(\frac{\ell}{\sin k \cdot \tan k}\right)}\right) \]
    5. associate-/l/N/A

      \[\leadsto \mathsf{*.f64}\left(\left(\frac{2 \cdot \frac{\ell}{k}}{t \cdot k}\right), \left(\frac{\color{blue}{\ell}}{\sin k \cdot \tan k}\right)\right) \]
    6. /-lowering-/.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{k}\right), \left(t \cdot k\right)\right), \left(\frac{\color{blue}{\ell}}{\sin k \cdot \tan k}\right)\right) \]
    7. associate-*r/N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2 \cdot \ell}{k}\right), \left(t \cdot k\right)\right), \left(\frac{\ell}{\sin k \cdot \tan k}\right)\right) \]
    8. /-lowering-/.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \ell\right), k\right), \left(t \cdot k\right)\right), \left(\frac{\ell}{\sin k \cdot \tan k}\right)\right) \]
    9. *-lowering-*.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \ell\right), k\right), \left(t \cdot k\right)\right), \left(\frac{\ell}{\sin k \cdot \tan k}\right)\right) \]
    10. *-commutativeN/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \ell\right), k\right), \left(k \cdot t\right)\right), \left(\frac{\ell}{\sin k \cdot \tan k}\right)\right) \]
    11. *-lowering-*.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \ell\right), k\right), \mathsf{*.f64}\left(k, t\right)\right), \left(\frac{\ell}{\sin k \cdot \tan k}\right)\right) \]
    12. associate-/r*N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \ell\right), k\right), \mathsf{*.f64}\left(k, t\right)\right), \left(\frac{\frac{\ell}{\sin k}}{\color{blue}{\tan k}}\right)\right) \]
    13. /-lowering-/.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \ell\right), k\right), \mathsf{*.f64}\left(k, t\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell}{\sin k}\right), \color{blue}{\tan k}\right)\right) \]
    14. /-lowering-/.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \ell\right), k\right), \mathsf{*.f64}\left(k, t\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, \sin k\right), \tan \color{blue}{k}\right)\right) \]
    15. sin-lowering-sin.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \ell\right), k\right), \mathsf{*.f64}\left(k, t\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right), \tan k\right)\right) \]
    16. tan-lowering-tan.f6494.4%

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \ell\right), k\right), \mathsf{*.f64}\left(k, t\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right), \mathsf{tan.f64}\left(k\right)\right)\right) \]
  11. Applied egg-rr94.4%

    \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{k}}{k \cdot t} \cdot \frac{\frac{\ell}{\sin k}}{\tan k}} \]
  12. Step-by-step derivation
    1. associate-*l/N/A

      \[\leadsto \frac{\frac{2 \cdot \ell}{k} \cdot \frac{\frac{\ell}{\sin k}}{\tan k}}{\color{blue}{k \cdot t}} \]
    2. *-commutativeN/A

      \[\leadsto \frac{\frac{2 \cdot \ell}{k} \cdot \frac{\frac{\ell}{\sin k}}{\tan k}}{t \cdot \color{blue}{k}} \]
    3. times-fracN/A

      \[\leadsto \frac{\frac{2 \cdot \ell}{k}}{t} \cdot \color{blue}{\frac{\frac{\frac{\ell}{\sin k}}{\tan k}}{k}} \]
    4. *-lowering-*.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2 \cdot \ell}{k}}{t}\right), \color{blue}{\left(\frac{\frac{\frac{\ell}{\sin k}}{\tan k}}{k}\right)}\right) \]
    5. /-lowering-/.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2 \cdot \ell}{k}\right), t\right), \left(\frac{\color{blue}{\frac{\frac{\ell}{\sin k}}{\tan k}}}{k}\right)\right) \]
    6. associate-/l*N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{k}\right), t\right), \left(\frac{\frac{\color{blue}{\frac{\ell}{\sin k}}}{\tan k}}{k}\right)\right) \]
    7. clear-numN/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{1}{\frac{k}{\ell}}\right), t\right), \left(\frac{\frac{\frac{\ell}{\color{blue}{\sin k}}}{\tan k}}{k}\right)\right) \]
    8. un-div-invN/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{\frac{k}{\ell}}\right), t\right), \left(\frac{\frac{\color{blue}{\frac{\ell}{\sin k}}}{\tan k}}{k}\right)\right) \]
    9. /-lowering-/.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{k}{\ell}\right)\right), t\right), \left(\frac{\frac{\color{blue}{\frac{\ell}{\sin k}}}{\tan k}}{k}\right)\right) \]
    10. /-lowering-/.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), t\right), \left(\frac{\frac{\frac{\ell}{\color{blue}{\sin k}}}{\tan k}}{k}\right)\right) \]
    11. /-lowering-/.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), t\right), \mathsf{/.f64}\left(\left(\frac{\frac{\ell}{\sin k}}{\tan k}\right), \color{blue}{k}\right)\right) \]
    12. /-lowering-/.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), t\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\frac{\ell}{\sin k}\right), \tan k\right), k\right)\right) \]
    13. /-lowering-/.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), t\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, \sin k\right), \tan k\right), k\right)\right) \]
    14. sin-lowering-sin.f64N/A

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), t\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right), \tan k\right), k\right)\right) \]
    15. tan-lowering-tan.f6498.4%

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), t\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right), \mathsf{tan.f64}\left(k\right)\right), k\right)\right) \]
  13. Applied egg-rr98.4%

    \[\leadsto \color{blue}{\frac{\frac{2}{\frac{k}{\ell}}}{t} \cdot \frac{\frac{\frac{\ell}{\sin k}}{\tan k}}{k}} \]
  14. Add Preprocessing

Alternative 2: 77.3% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 6.2 \cdot 10^{-110}:\\ \;\;\;\;\frac{2}{\frac{\frac{k \cdot t}{\frac{\ell}{k}}}{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k}}{\frac{k}{\frac{\ell}{t}}} \cdot \frac{\ell}{\sin k \cdot \tan k}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 6.2e-110)
   (/
    2.0
    (/
     (/ (* k t) (/ l k))
     (/ (/ (+ 1.0 (* (* k k) 0.16666666666666666)) k) (/ k l))))
   (* (/ (/ 2.0 k) (/ k (/ l t))) (/ l (* (sin k) (tan k))))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 6.2e-110) {
		tmp = 2.0 / (((k * t) / (l / k)) / (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)));
	} else {
		tmp = ((2.0 / k) / (k / (l / t))) * (l / (sin(k) * tan(k)));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (k <= 6.2d-110) then
        tmp = 2.0d0 / (((k * t) / (l / k)) / (((1.0d0 + ((k * k) * 0.16666666666666666d0)) / k) / (k / l)))
    else
        tmp = ((2.0d0 / k) / (k / (l / t))) * (l / (sin(k) * tan(k)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 6.2e-110) {
		tmp = 2.0 / (((k * t) / (l / k)) / (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)));
	} else {
		tmp = ((2.0 / k) / (k / (l / t))) * (l / (Math.sin(k) * Math.tan(k)));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 6.2e-110:
		tmp = 2.0 / (((k * t) / (l / k)) / (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)))
	else:
		tmp = ((2.0 / k) / (k / (l / t))) * (l / (math.sin(k) * math.tan(k)))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 6.2e-110)
		tmp = Float64(2.0 / Float64(Float64(Float64(k * t) / Float64(l / k)) / Float64(Float64(Float64(1.0 + Float64(Float64(k * k) * 0.16666666666666666)) / k) / Float64(k / l))));
	else
		tmp = Float64(Float64(Float64(2.0 / k) / Float64(k / Float64(l / t))) * Float64(l / Float64(sin(k) * tan(k))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 6.2e-110)
		tmp = 2.0 / (((k * t) / (l / k)) / (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)));
	else
		tmp = ((2.0 / k) / (k / (l / t))) * (l / (sin(k) * tan(k)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 6.2e-110], N[(2.0 / N[(N[(N[(k * t), $MachinePrecision] / N[(l / k), $MachinePrecision]), $MachinePrecision] / N[(N[(N[(1.0 + N[(N[(k * k), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision] / k), $MachinePrecision] / N[(k / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(2.0 / k), $MachinePrecision] / N[(k / N[(l / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[(N[Sin[k], $MachinePrecision] * N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 6.2 \cdot 10^{-110}:\\
\;\;\;\;\frac{2}{\frac{\frac{k \cdot t}{\frac{\ell}{k}}}{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{2}{k}}{\frac{k}{\frac{\ell}{t}}} \cdot \frac{\ell}{\sin k \cdot \tan k}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 6.20000000000000014e-110

    1. Initial program 40.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*r*N/A

        \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
      3. associate-/r*N/A

        \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
      4. /-lowering-/.f64N/A

        \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
    3. Simplified66.5%

      \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-/l/N/A

        \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
      2. associate-/r/N/A

        \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
      3. associate-/l*N/A

        \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
      4. *-lowering-*.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
      5. *-inversesN/A

        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
      6. associate-*l*N/A

        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
      7. *-commutativeN/A

        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
      8. times-fracN/A

        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
      9. *-rgt-identityN/A

        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
      10. *-inversesN/A

        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
      11. *-rgt-identityN/A

        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
      12. /-lowering-/.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
      13. /-lowering-/.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
      14. *-lowering-*.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
      15. /-lowering-/.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
      16. /-lowering-/.f64N/A

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
    6. Applied egg-rr87.0%

      \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
    7. Taylor expanded in k around 0

      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
    8. Step-by-step derivation
      1. Simplified74.9%

        \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
      2. Taylor expanded in k around 0

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
      3. Step-by-step derivation
        1. unpow2N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
        2. associate-/r*N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
        3. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
        4. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
        5. associate-*r*N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
        6. distribute-rgt1-inN/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
        7. +-commutativeN/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
        8. *-lowering-*.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
        9. +-lowering-+.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
        10. *-commutativeN/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
        11. *-lowering-*.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
        12. unpow2N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
        13. *-lowering-*.f6467.2%

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
      4. Simplified67.2%

        \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
      5. Step-by-step derivation
        1. associate-/l/N/A

          \[\leadsto \frac{2}{\frac{t}{\ell} \cdot \left(k \cdot k\right)} \cdot \frac{\color{blue}{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}}{k} \]
        2. clear-numN/A

          \[\leadsto \frac{2}{\frac{t}{\ell} \cdot \left(k \cdot k\right)} \cdot \frac{1}{\color{blue}{\frac{k}{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}}} \]
        3. frac-timesN/A

          \[\leadsto \frac{2 \cdot 1}{\color{blue}{\left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right) \cdot \frac{k}{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}}} \]
        4. metadata-evalN/A

          \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right)} \cdot \frac{k}{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}} \]
        5. /-lowering-/.f64N/A

          \[\leadsto \mathsf{/.f64}\left(2, \color{blue}{\left(\left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right) \cdot \frac{k}{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}\right)}\right) \]
        6. clear-numN/A

          \[\leadsto \mathsf{/.f64}\left(2, \left(\left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right) \cdot \frac{1}{\color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k}}}\right)\right) \]
        7. un-div-invN/A

          \[\leadsto \mathsf{/.f64}\left(2, \left(\frac{\frac{t}{\ell} \cdot \left(k \cdot k\right)}{\color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k}}}\right)\right) \]
        8. /-lowering-/.f64N/A

          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right), \color{blue}{\left(\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k}\right)}\right)\right) \]
      6. Applied egg-rr72.5%

        \[\leadsto \color{blue}{\frac{2}{\frac{\frac{k \cdot t}{\frac{\ell}{k}}}{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}}} \]

      if 6.20000000000000014e-110 < k

      1. Initial program 30.6%

        \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
      2. Step-by-step derivation
        1. *-commutativeN/A

          \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
        2. associate-*r*N/A

          \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
        3. associate-/r*N/A

          \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
        4. /-lowering-/.f64N/A

          \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
      3. Simplified65.1%

        \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
      4. Add Preprocessing
      5. Step-by-step derivation
        1. associate-/l/N/A

          \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
        2. associate-/r/N/A

          \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
        3. associate-/l*N/A

          \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
        4. *-lowering-*.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
        5. *-inversesN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        6. associate-*l*N/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        7. *-commutativeN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        8. times-fracN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
        9. *-rgt-identityN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        10. *-inversesN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        11. *-rgt-identityN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
        12. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
        13. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        14. *-lowering-*.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        15. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        16. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
      6. Applied egg-rr87.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
      7. Step-by-step derivation
        1. div-invN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{k \cdot k} \cdot \frac{1}{\frac{t}{\ell}}\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
        2. associate-/r*N/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k}}{k} \cdot \frac{1}{\frac{t}{\ell}}\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
        3. frac-timesN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k} \cdot 1}{k \cdot \frac{t}{\ell}}\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
        4. *-rgt-identityN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k}}{k \cdot \frac{t}{\ell}}\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
        5. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k}\right), \left(k \cdot \frac{t}{\ell}\right)\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
        6. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \left(k \cdot \frac{t}{\ell}\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
        7. clear-numN/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \left(k \cdot \frac{1}{\frac{\ell}{t}}\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
        8. un-div-invN/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \left(\frac{k}{\frac{\ell}{t}}\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
        9. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \mathsf{/.f64}\left(k, \left(\frac{\ell}{t}\right)\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
        10. /-lowering-/.f6493.8%

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \mathsf{/.f64}\left(k, \mathsf{/.f64}\left(\ell, t\right)\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
      8. Applied egg-rr93.8%

        \[\leadsto \color{blue}{\frac{\frac{2}{k}}{\frac{k}{\frac{\ell}{t}}}} \cdot \frac{\ell}{\sin k \cdot \tan k} \]
    9. Recombined 2 regimes into one program.
    10. Add Preprocessing

    Alternative 3: 74.1% accurate, 1.9× speedup?

    \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 1.9 \cdot 10^{-109}:\\ \;\;\;\;\frac{2}{\frac{\frac{k \cdot t}{\frac{\ell}{k}}}{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{k \cdot k} \cdot \frac{\frac{\ell}{t}}{\frac{\tan k}{\frac{\ell}{\sin k}}}\\ \end{array} \end{array} \]
    (FPCore (t l k)
     :precision binary64
     (if (<= k 1.9e-109)
       (/
        2.0
        (/
         (/ (* k t) (/ l k))
         (/ (/ (+ 1.0 (* (* k k) 0.16666666666666666)) k) (/ k l))))
       (* (/ 2.0 (* k k)) (/ (/ l t) (/ (tan k) (/ l (sin k)))))))
    double code(double t, double l, double k) {
    	double tmp;
    	if (k <= 1.9e-109) {
    		tmp = 2.0 / (((k * t) / (l / k)) / (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)));
    	} else {
    		tmp = (2.0 / (k * k)) * ((l / t) / (tan(k) / (l / sin(k))));
    	}
    	return tmp;
    }
    
    real(8) function code(t, l, k)
        real(8), intent (in) :: t
        real(8), intent (in) :: l
        real(8), intent (in) :: k
        real(8) :: tmp
        if (k <= 1.9d-109) then
            tmp = 2.0d0 / (((k * t) / (l / k)) / (((1.0d0 + ((k * k) * 0.16666666666666666d0)) / k) / (k / l)))
        else
            tmp = (2.0d0 / (k * k)) * ((l / t) / (tan(k) / (l / sin(k))))
        end if
        code = tmp
    end function
    
    public static double code(double t, double l, double k) {
    	double tmp;
    	if (k <= 1.9e-109) {
    		tmp = 2.0 / (((k * t) / (l / k)) / (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)));
    	} else {
    		tmp = (2.0 / (k * k)) * ((l / t) / (Math.tan(k) / (l / Math.sin(k))));
    	}
    	return tmp;
    }
    
    def code(t, l, k):
    	tmp = 0
    	if k <= 1.9e-109:
    		tmp = 2.0 / (((k * t) / (l / k)) / (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)))
    	else:
    		tmp = (2.0 / (k * k)) * ((l / t) / (math.tan(k) / (l / math.sin(k))))
    	return tmp
    
    function code(t, l, k)
    	tmp = 0.0
    	if (k <= 1.9e-109)
    		tmp = Float64(2.0 / Float64(Float64(Float64(k * t) / Float64(l / k)) / Float64(Float64(Float64(1.0 + Float64(Float64(k * k) * 0.16666666666666666)) / k) / Float64(k / l))));
    	else
    		tmp = Float64(Float64(2.0 / Float64(k * k)) * Float64(Float64(l / t) / Float64(tan(k) / Float64(l / sin(k)))));
    	end
    	return tmp
    end
    
    function tmp_2 = code(t, l, k)
    	tmp = 0.0;
    	if (k <= 1.9e-109)
    		tmp = 2.0 / (((k * t) / (l / k)) / (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)));
    	else
    		tmp = (2.0 / (k * k)) * ((l / t) / (tan(k) / (l / sin(k))));
    	end
    	tmp_2 = tmp;
    end
    
    code[t_, l_, k_] := If[LessEqual[k, 1.9e-109], N[(2.0 / N[(N[(N[(k * t), $MachinePrecision] / N[(l / k), $MachinePrecision]), $MachinePrecision] / N[(N[(N[(1.0 + N[(N[(k * k), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision] / k), $MachinePrecision] / N[(k / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(2.0 / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(N[(l / t), $MachinePrecision] / N[(N[Tan[k], $MachinePrecision] / N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
    
    \begin{array}{l}
    
    \\
    \begin{array}{l}
    \mathbf{if}\;k \leq 1.9 \cdot 10^{-109}:\\
    \;\;\;\;\frac{2}{\frac{\frac{k \cdot t}{\frac{\ell}{k}}}{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}}\\
    
    \mathbf{else}:\\
    \;\;\;\;\frac{2}{k \cdot k} \cdot \frac{\frac{\ell}{t}}{\frac{\tan k}{\frac{\ell}{\sin k}}}\\
    
    
    \end{array}
    \end{array}
    
    Derivation
    1. Split input into 2 regimes
    2. if k < 1.90000000000000001e-109

      1. Initial program 40.5%

        \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
      2. Step-by-step derivation
        1. *-commutativeN/A

          \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
        2. associate-*r*N/A

          \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
        3. associate-/r*N/A

          \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
        4. /-lowering-/.f64N/A

          \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
      3. Simplified66.5%

        \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
      4. Add Preprocessing
      5. Step-by-step derivation
        1. associate-/l/N/A

          \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
        2. associate-/r/N/A

          \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
        3. associate-/l*N/A

          \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
        4. *-lowering-*.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
        5. *-inversesN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        6. associate-*l*N/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        7. *-commutativeN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        8. times-fracN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
        9. *-rgt-identityN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        10. *-inversesN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        11. *-rgt-identityN/A

          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
        12. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
        13. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        14. *-lowering-*.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        15. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
        16. /-lowering-/.f64N/A

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
      6. Applied egg-rr87.0%

        \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
      7. Taylor expanded in k around 0

        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
      8. Step-by-step derivation
        1. Simplified74.9%

          \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
        2. Taylor expanded in k around 0

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
        3. Step-by-step derivation
          1. unpow2N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
          2. associate-/r*N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
          3. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
          4. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
          5. associate-*r*N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
          6. distribute-rgt1-inN/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
          7. +-commutativeN/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
          8. *-lowering-*.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
          9. +-lowering-+.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
          10. *-commutativeN/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
          11. *-lowering-*.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
          12. unpow2N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
          13. *-lowering-*.f6467.2%

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
        4. Simplified67.2%

          \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
        5. Step-by-step derivation
          1. associate-/l/N/A

            \[\leadsto \frac{2}{\frac{t}{\ell} \cdot \left(k \cdot k\right)} \cdot \frac{\color{blue}{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}}{k} \]
          2. clear-numN/A

            \[\leadsto \frac{2}{\frac{t}{\ell} \cdot \left(k \cdot k\right)} \cdot \frac{1}{\color{blue}{\frac{k}{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}}} \]
          3. frac-timesN/A

            \[\leadsto \frac{2 \cdot 1}{\color{blue}{\left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right) \cdot \frac{k}{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}}} \]
          4. metadata-evalN/A

            \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right)} \cdot \frac{k}{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}} \]
          5. /-lowering-/.f64N/A

            \[\leadsto \mathsf{/.f64}\left(2, \color{blue}{\left(\left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right) \cdot \frac{k}{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}\right)}\right) \]
          6. clear-numN/A

            \[\leadsto \mathsf{/.f64}\left(2, \left(\left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right) \cdot \frac{1}{\color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k}}}\right)\right) \]
          7. un-div-invN/A

            \[\leadsto \mathsf{/.f64}\left(2, \left(\frac{\frac{t}{\ell} \cdot \left(k \cdot k\right)}{\color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k}}}\right)\right) \]
          8. /-lowering-/.f64N/A

            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right), \color{blue}{\left(\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k}\right)}\right)\right) \]
        6. Applied egg-rr72.5%

          \[\leadsto \color{blue}{\frac{2}{\frac{\frac{k \cdot t}{\frac{\ell}{k}}}{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}}} \]

        if 1.90000000000000001e-109 < k

        1. Initial program 30.6%

          \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
        2. Step-by-step derivation
          1. *-commutativeN/A

            \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
          2. associate-*r*N/A

            \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
          3. associate-/r*N/A

            \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
          4. /-lowering-/.f64N/A

            \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
        3. Simplified65.1%

          \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
        4. Add Preprocessing
        5. Step-by-step derivation
          1. associate-/l/N/A

            \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
          2. associate-/r/N/A

            \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
          3. associate-/l*N/A

            \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
          4. *-lowering-*.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
          5. *-inversesN/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          6. associate-*l*N/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          7. *-commutativeN/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          8. times-fracN/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
          9. *-rgt-identityN/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          10. *-inversesN/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          11. *-rgt-identityN/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
          12. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
          13. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          14. *-lowering-*.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          15. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          16. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
        6. Applied egg-rr87.9%

          \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
        7. Step-by-step derivation
          1. div-invN/A

            \[\leadsto \left(\frac{2}{k \cdot k} \cdot \frac{1}{\frac{t}{\ell}}\right) \cdot \frac{\color{blue}{\ell}}{\sin k \cdot \tan k} \]
          2. clear-numN/A

            \[\leadsto \left(\frac{2}{k \cdot k} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{\sin k \cdot \tan k} \]
          3. associate-*l*N/A

            \[\leadsto \frac{2}{k \cdot k} \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{\sin k \cdot \tan k}\right)} \]
          4. *-lowering-*.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{k \cdot k}\right), \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{\sin k \cdot \tan k}\right)}\right) \]
          5. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\color{blue}{\frac{\ell}{t}} \cdot \frac{\ell}{\sin k \cdot \tan k}\right)\right) \]
          6. *-lowering-*.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{\ell}{\color{blue}{t}} \cdot \frac{\ell}{\sin k \cdot \tan k}\right)\right) \]
          7. clear-numN/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{\ell}{t} \cdot \frac{1}{\color{blue}{\frac{\sin k \cdot \tan k}{\ell}}}\right)\right) \]
          8. un-div-invN/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{\frac{\ell}{t}}{\color{blue}{\frac{\sin k \cdot \tan k}{\ell}}}\right)\right) \]
          9. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell}{t}\right), \color{blue}{\left(\frac{\sin k \cdot \tan k}{\ell}\right)}\right)\right) \]
          10. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, t\right), \left(\frac{\color{blue}{\sin k \cdot \tan k}}{\ell}\right)\right)\right) \]
          11. *-commutativeN/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, t\right), \left(\frac{\tan k \cdot \sin k}{\ell}\right)\right)\right) \]
          12. associate-/l*N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, t\right), \left(\tan k \cdot \color{blue}{\frac{\sin k}{\ell}}\right)\right)\right) \]
          13. clear-numN/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, t\right), \left(\tan k \cdot \frac{1}{\color{blue}{\frac{\ell}{\sin k}}}\right)\right)\right) \]
          14. un-div-invN/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, t\right), \left(\frac{\tan k}{\color{blue}{\frac{\ell}{\sin k}}}\right)\right)\right) \]
          15. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, t\right), \mathsf{/.f64}\left(\tan k, \color{blue}{\left(\frac{\ell}{\sin k}\right)}\right)\right)\right) \]
          16. tan-lowering-tan.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, t\right), \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \left(\frac{\color{blue}{\ell}}{\sin k}\right)\right)\right)\right) \]
          17. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, t\right), \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{/.f64}\left(\ell, \color{blue}{\sin k}\right)\right)\right)\right) \]
          18. sin-lowering-sin.f6485.8%

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, t\right), \mathsf{/.f64}\left(\mathsf{tan.f64}\left(k\right), \mathsf{/.f64}\left(\ell, \mathsf{sin.f64}\left(k\right)\right)\right)\right)\right) \]
        8. Applied egg-rr85.8%

          \[\leadsto \color{blue}{\frac{2}{k \cdot k} \cdot \frac{\frac{\ell}{t}}{\frac{\tan k}{\frac{\ell}{\sin k}}}} \]
      9. Recombined 2 regimes into one program.
      10. Add Preprocessing

      Alternative 4: 69.7% accurate, 3.5× speedup?

      \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 3.1 \cdot 10^{+145}:\\ \;\;\;\;\frac{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}{\frac{t}{\frac{\frac{2}{\frac{k}{\ell}}}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\left(\frac{2}{k} \cdot \frac{\frac{\ell}{k}}{t}\right) \cdot \frac{\ell}{k \cdot \sin k}\\ \end{array} \end{array} \]
      (FPCore (t l k)
       :precision binary64
       (if (<= k 3.1e+145)
         (/
          (/ (/ (+ 1.0 (* (* k k) 0.16666666666666666)) k) (/ k l))
          (/ t (/ (/ 2.0 (/ k l)) k)))
         (* (* (/ 2.0 k) (/ (/ l k) t)) (/ l (* k (sin k))))))
      double code(double t, double l, double k) {
      	double tmp;
      	if (k <= 3.1e+145) {
      		tmp = (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)) / (t / ((2.0 / (k / l)) / k));
      	} else {
      		tmp = ((2.0 / k) * ((l / k) / t)) * (l / (k * sin(k)));
      	}
      	return tmp;
      }
      
      real(8) function code(t, l, k)
          real(8), intent (in) :: t
          real(8), intent (in) :: l
          real(8), intent (in) :: k
          real(8) :: tmp
          if (k <= 3.1d+145) then
              tmp = (((1.0d0 + ((k * k) * 0.16666666666666666d0)) / k) / (k / l)) / (t / ((2.0d0 / (k / l)) / k))
          else
              tmp = ((2.0d0 / k) * ((l / k) / t)) * (l / (k * sin(k)))
          end if
          code = tmp
      end function
      
      public static double code(double t, double l, double k) {
      	double tmp;
      	if (k <= 3.1e+145) {
      		tmp = (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)) / (t / ((2.0 / (k / l)) / k));
      	} else {
      		tmp = ((2.0 / k) * ((l / k) / t)) * (l / (k * Math.sin(k)));
      	}
      	return tmp;
      }
      
      def code(t, l, k):
      	tmp = 0
      	if k <= 3.1e+145:
      		tmp = (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)) / (t / ((2.0 / (k / l)) / k))
      	else:
      		tmp = ((2.0 / k) * ((l / k) / t)) * (l / (k * math.sin(k)))
      	return tmp
      
      function code(t, l, k)
      	tmp = 0.0
      	if (k <= 3.1e+145)
      		tmp = Float64(Float64(Float64(Float64(1.0 + Float64(Float64(k * k) * 0.16666666666666666)) / k) / Float64(k / l)) / Float64(t / Float64(Float64(2.0 / Float64(k / l)) / k)));
      	else
      		tmp = Float64(Float64(Float64(2.0 / k) * Float64(Float64(l / k) / t)) * Float64(l / Float64(k * sin(k))));
      	end
      	return tmp
      end
      
      function tmp_2 = code(t, l, k)
      	tmp = 0.0;
      	if (k <= 3.1e+145)
      		tmp = (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)) / (t / ((2.0 / (k / l)) / k));
      	else
      		tmp = ((2.0 / k) * ((l / k) / t)) * (l / (k * sin(k)));
      	end
      	tmp_2 = tmp;
      end
      
      code[t_, l_, k_] := If[LessEqual[k, 3.1e+145], N[(N[(N[(N[(1.0 + N[(N[(k * k), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision] / k), $MachinePrecision] / N[(k / l), $MachinePrecision]), $MachinePrecision] / N[(t / N[(N[(2.0 / N[(k / l), $MachinePrecision]), $MachinePrecision] / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(2.0 / k), $MachinePrecision] * N[(N[(l / k), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision] * N[(l / N[(k * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
      
      \begin{array}{l}
      
      \\
      \begin{array}{l}
      \mathbf{if}\;k \leq 3.1 \cdot 10^{+145}:\\
      \;\;\;\;\frac{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}{\frac{t}{\frac{\frac{2}{\frac{k}{\ell}}}{k}}}\\
      
      \mathbf{else}:\\
      \;\;\;\;\left(\frac{2}{k} \cdot \frac{\frac{\ell}{k}}{t}\right) \cdot \frac{\ell}{k \cdot \sin k}\\
      
      
      \end{array}
      \end{array}
      
      Derivation
      1. Split input into 2 regimes
      2. if k < 3.09999999999999988e145

        1. Initial program 37.5%

          \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
        2. Step-by-step derivation
          1. *-commutativeN/A

            \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
          2. associate-*r*N/A

            \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
          3. associate-/r*N/A

            \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
          4. /-lowering-/.f64N/A

            \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
        3. Simplified66.1%

          \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
        4. Add Preprocessing
        5. Step-by-step derivation
          1. associate-/l/N/A

            \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
          2. associate-/r/N/A

            \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
          3. associate-/l*N/A

            \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
          4. *-lowering-*.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
          5. *-inversesN/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          6. associate-*l*N/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          7. *-commutativeN/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          8. times-fracN/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
          9. *-rgt-identityN/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          10. *-inversesN/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          11. *-rgt-identityN/A

            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
          12. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
          13. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          14. *-lowering-*.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          15. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
          16. /-lowering-/.f64N/A

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
        6. Applied egg-rr90.1%

          \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
        7. Taylor expanded in k around 0

          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
        8. Step-by-step derivation
          1. Simplified71.4%

            \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
          2. Taylor expanded in k around 0

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
          3. Step-by-step derivation
            1. unpow2N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
            2. associate-/r*N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
            3. /-lowering-/.f64N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
            4. /-lowering-/.f64N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
            5. associate-*r*N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
            6. distribute-rgt1-inN/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
            7. +-commutativeN/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
            8. *-lowering-*.f64N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
            9. +-lowering-+.f64N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
            10. *-commutativeN/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
            11. *-lowering-*.f64N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
            12. unpow2N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
            13. *-lowering-*.f6465.3%

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
          4. Simplified65.3%

            \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
          5. Step-by-step derivation
            1. *-commutativeN/A

              \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}} \]
            2. div-invN/A

              \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \left(\frac{2}{k \cdot k} \cdot \color{blue}{\frac{1}{\frac{t}{\ell}}}\right) \]
            3. clear-numN/A

              \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \left(\frac{2}{k \cdot k} \cdot \frac{\ell}{\color{blue}{t}}\right) \]
            4. frac-timesN/A

              \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \frac{2 \cdot \ell}{\color{blue}{\left(k \cdot k\right) \cdot t}} \]
            5. associate-*r*N/A

              \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \frac{2 \cdot \ell}{k \cdot \color{blue}{\left(k \cdot t\right)}} \]
            6. associate-/r*N/A

              \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \frac{\frac{2 \cdot \ell}{k}}{\color{blue}{k \cdot t}} \]
            7. clear-numN/A

              \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \frac{1}{\color{blue}{\frac{k \cdot t}{\frac{2 \cdot \ell}{k}}}} \]
            8. un-div-invN/A

              \[\leadsto \frac{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k}}{\color{blue}{\frac{k \cdot t}{\frac{2 \cdot \ell}{k}}}} \]
            9. /-lowering-/.f64N/A

              \[\leadsto \mathsf{/.f64}\left(\left(\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k}\right), \color{blue}{\left(\frac{k \cdot t}{\frac{2 \cdot \ell}{k}}\right)}\right) \]
          6. Applied egg-rr70.4%

            \[\leadsto \color{blue}{\frac{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}{\frac{t}{\frac{\frac{2}{\frac{k}{\ell}}}{k}}}} \]

          if 3.09999999999999988e145 < k

          1. Initial program 32.4%

            \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
          2. Step-by-step derivation
            1. *-commutativeN/A

              \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
            2. associate-*r*N/A

              \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
            3. associate-/r*N/A

              \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
            4. /-lowering-/.f64N/A

              \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
          3. Simplified65.3%

            \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
          4. Add Preprocessing
          5. Step-by-step derivation
            1. associate-/l/N/A

              \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
            2. associate-/r/N/A

              \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
            3. associate-/l*N/A

              \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
            4. *-lowering-*.f64N/A

              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
            5. *-inversesN/A

              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
            6. associate-*l*N/A

              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
            7. *-commutativeN/A

              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
            8. times-fracN/A

              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
            9. *-rgt-identityN/A

              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
            10. *-inversesN/A

              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
            11. *-rgt-identityN/A

              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
            12. /-lowering-/.f64N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
            13. /-lowering-/.f64N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
            14. *-lowering-*.f64N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
            15. /-lowering-/.f64N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
            16. /-lowering-/.f64N/A

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
          6. Applied egg-rr69.2%

            \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
          7. Taylor expanded in k around 0

            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
          8. Step-by-step derivation
            1. Simplified69.2%

              \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
            2. Step-by-step derivation
              1. associate-/r/N/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{t} \cdot \ell\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), k\right)\right)\right) \]
              2. associate-*l/N/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \ell}{t}\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), k\right)\right)\right) \]
              3. associate-*l/N/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2 \cdot \ell}{k \cdot k}}{t}\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), k\right)\right)\right) \]
              4. associate-/l/N/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{\frac{2 \cdot \ell}{k}}{k}}{t}\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), k\right)\right)\right) \]
              5. associate-*r/N/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t}\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), k\right)\right)\right) \]
              6. associate-/l/N/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{2 \cdot \frac{\ell}{k}}{t \cdot k}\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), k\right)\right)\right) \]
              7. *-commutativeN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{\ell}{k} \cdot 2}{t \cdot k}\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), k\right)\right)\right) \]
              8. times-fracN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{\ell}{k}}{t} \cdot \frac{2}{k}\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), k\right)\right)\right) \]
              9. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\left(\frac{\frac{\ell}{k}}{t}\right), \left(\frac{2}{k}\right)\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), k\right)\right)\right) \]
              10. /-lowering-/.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{\ell}{k}\right), t\right), \left(\frac{2}{k}\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), k\right)\right)\right) \]
              11. /-lowering-/.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, k\right), t\right), \left(\frac{2}{k}\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), k\right)\right)\right) \]
              12. /-lowering-/.f6469.4%

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\ell, k\right), t\right), \mathsf{/.f64}\left(2, k\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), k\right)\right)\right) \]
            3. Applied egg-rr69.4%

              \[\leadsto \color{blue}{\left(\frac{\frac{\ell}{k}}{t} \cdot \frac{2}{k}\right)} \cdot \frac{\ell}{\sin k \cdot k} \]
          9. Recombined 2 regimes into one program.
          10. Final simplification70.2%

            \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 3.1 \cdot 10^{+145}:\\ \;\;\;\;\frac{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}{\frac{t}{\frac{\frac{2}{\frac{k}{\ell}}}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\left(\frac{2}{k} \cdot \frac{\frac{\ell}{k}}{t}\right) \cdot \frac{\ell}{k \cdot \sin k}\\ \end{array} \]
          11. Add Preprocessing

          Alternative 5: 76.0% accurate, 12.7× speedup?

          \[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\\ \mathbf{if}\;k \leq 2.3 \cdot 10^{-99}:\\ \;\;\;\;\frac{\frac{\frac{2}{\frac{k}{\ell}}}{k}}{\frac{k \cdot t}{\frac{\ell}{k}}}\\ \mathbf{elif}\;k \leq 2.7 \cdot 10^{+88}:\\ \;\;\;\;t\_1 \cdot \frac{\ell \cdot \left(1 + \left(k \cdot k\right) \cdot -0.16666666666666666\right)}{k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;t\_1 \cdot \left(\ell \cdot 0.16666666666666666\right)\\ \end{array} \end{array} \]
          (FPCore (t l k)
           :precision binary64
           (let* ((t_1 (/ (/ 2.0 (* k k)) (/ t l))))
             (if (<= k 2.3e-99)
               (/ (/ (/ 2.0 (/ k l)) k) (/ (* k t) (/ l k)))
               (if (<= k 2.7e+88)
                 (* t_1 (/ (* l (+ 1.0 (* (* k k) -0.16666666666666666))) (* k k)))
                 (* t_1 (* l 0.16666666666666666))))))
          double code(double t, double l, double k) {
          	double t_1 = (2.0 / (k * k)) / (t / l);
          	double tmp;
          	if (k <= 2.3e-99) {
          		tmp = ((2.0 / (k / l)) / k) / ((k * t) / (l / k));
          	} else if (k <= 2.7e+88) {
          		tmp = t_1 * ((l * (1.0 + ((k * k) * -0.16666666666666666))) / (k * k));
          	} else {
          		tmp = t_1 * (l * 0.16666666666666666);
          	}
          	return tmp;
          }
          
          real(8) function code(t, l, k)
              real(8), intent (in) :: t
              real(8), intent (in) :: l
              real(8), intent (in) :: k
              real(8) :: t_1
              real(8) :: tmp
              t_1 = (2.0d0 / (k * k)) / (t / l)
              if (k <= 2.3d-99) then
                  tmp = ((2.0d0 / (k / l)) / k) / ((k * t) / (l / k))
              else if (k <= 2.7d+88) then
                  tmp = t_1 * ((l * (1.0d0 + ((k * k) * (-0.16666666666666666d0)))) / (k * k))
              else
                  tmp = t_1 * (l * 0.16666666666666666d0)
              end if
              code = tmp
          end function
          
          public static double code(double t, double l, double k) {
          	double t_1 = (2.0 / (k * k)) / (t / l);
          	double tmp;
          	if (k <= 2.3e-99) {
          		tmp = ((2.0 / (k / l)) / k) / ((k * t) / (l / k));
          	} else if (k <= 2.7e+88) {
          		tmp = t_1 * ((l * (1.0 + ((k * k) * -0.16666666666666666))) / (k * k));
          	} else {
          		tmp = t_1 * (l * 0.16666666666666666);
          	}
          	return tmp;
          }
          
          def code(t, l, k):
          	t_1 = (2.0 / (k * k)) / (t / l)
          	tmp = 0
          	if k <= 2.3e-99:
          		tmp = ((2.0 / (k / l)) / k) / ((k * t) / (l / k))
          	elif k <= 2.7e+88:
          		tmp = t_1 * ((l * (1.0 + ((k * k) * -0.16666666666666666))) / (k * k))
          	else:
          		tmp = t_1 * (l * 0.16666666666666666)
          	return tmp
          
          function code(t, l, k)
          	t_1 = Float64(Float64(2.0 / Float64(k * k)) / Float64(t / l))
          	tmp = 0.0
          	if (k <= 2.3e-99)
          		tmp = Float64(Float64(Float64(2.0 / Float64(k / l)) / k) / Float64(Float64(k * t) / Float64(l / k)));
          	elseif (k <= 2.7e+88)
          		tmp = Float64(t_1 * Float64(Float64(l * Float64(1.0 + Float64(Float64(k * k) * -0.16666666666666666))) / Float64(k * k)));
          	else
          		tmp = Float64(t_1 * Float64(l * 0.16666666666666666));
          	end
          	return tmp
          end
          
          function tmp_2 = code(t, l, k)
          	t_1 = (2.0 / (k * k)) / (t / l);
          	tmp = 0.0;
          	if (k <= 2.3e-99)
          		tmp = ((2.0 / (k / l)) / k) / ((k * t) / (l / k));
          	elseif (k <= 2.7e+88)
          		tmp = t_1 * ((l * (1.0 + ((k * k) * -0.16666666666666666))) / (k * k));
          	else
          		tmp = t_1 * (l * 0.16666666666666666);
          	end
          	tmp_2 = tmp;
          end
          
          code[t_, l_, k_] := Block[{t$95$1 = N[(N[(2.0 / N[(k * k), $MachinePrecision]), $MachinePrecision] / N[(t / l), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[k, 2.3e-99], N[(N[(N[(2.0 / N[(k / l), $MachinePrecision]), $MachinePrecision] / k), $MachinePrecision] / N[(N[(k * t), $MachinePrecision] / N[(l / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[k, 2.7e+88], N[(t$95$1 * N[(N[(l * N[(1.0 + N[(N[(k * k), $MachinePrecision] * -0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(t$95$1 * N[(l * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]]]]
          
          \begin{array}{l}
          
          \\
          \begin{array}{l}
          t_1 := \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\\
          \mathbf{if}\;k \leq 2.3 \cdot 10^{-99}:\\
          \;\;\;\;\frac{\frac{\frac{2}{\frac{k}{\ell}}}{k}}{\frac{k \cdot t}{\frac{\ell}{k}}}\\
          
          \mathbf{elif}\;k \leq 2.7 \cdot 10^{+88}:\\
          \;\;\;\;t\_1 \cdot \frac{\ell \cdot \left(1 + \left(k \cdot k\right) \cdot -0.16666666666666666\right)}{k \cdot k}\\
          
          \mathbf{else}:\\
          \;\;\;\;t\_1 \cdot \left(\ell \cdot 0.16666666666666666\right)\\
          
          
          \end{array}
          \end{array}
          
          Derivation
          1. Split input into 3 regimes
          2. if k < 2.2999999999999998e-99

            1. Initial program 41.0%

              \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
            2. Add Preprocessing
            3. Taylor expanded in k around 0

              \[\leadsto \mathsf{/.f64}\left(2, \color{blue}{\left(\frac{{k}^{4} \cdot t}{{\ell}^{2}}\right)}\right) \]
            4. Step-by-step derivation
              1. /-lowering-/.f64N/A

                \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left({k}^{4} \cdot t\right), \color{blue}{\left({\ell}^{2}\right)}\right)\right) \]
              2. *-commutativeN/A

                \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left(t \cdot {k}^{4}\right), \left({\color{blue}{\ell}}^{2}\right)\right)\right) \]
              3. *-lowering-*.f64N/A

                \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{4}\right)\right), \left({\color{blue}{\ell}}^{2}\right)\right)\right) \]
              4. metadata-evalN/A

                \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{\left(2 \cdot 2\right)}\right)\right), \left({\ell}^{2}\right)\right)\right) \]
              5. pow-sqrN/A

                \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{2} \cdot {k}^{2}\right)\right), \left({\ell}^{2}\right)\right)\right) \]
              6. *-lowering-*.f64N/A

                \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\left({k}^{2}\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
              7. unpow2N/A

                \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\left(k \cdot k\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
              8. *-lowering-*.f64N/A

                \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
              9. unpow2N/A

                \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \left(k \cdot k\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
              10. *-lowering-*.f64N/A

                \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
              11. unpow2N/A

                \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \left(\ell \cdot \color{blue}{\ell}\right)\right)\right) \]
              12. *-lowering-*.f6463.9%

                \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\ell}\right)\right)\right) \]
            5. Simplified63.9%

              \[\leadsto \frac{2}{\color{blue}{\frac{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)}{\ell \cdot \ell}}} \]
            6. Step-by-step derivation
              1. associate-/r/N/A

                \[\leadsto \frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
              2. associate-*r*N/A

                \[\leadsto \left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \ell\right) \cdot \color{blue}{\ell} \]
              3. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \ell\right), \color{blue}{\ell}\right) \]
              4. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)}\right), \ell\right), \ell\right) \]
              5. /-lowering-/.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)\right)\right), \ell\right), \ell\right) \]
              6. *-commutativeN/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right) \cdot t\right)\right), \ell\right), \ell\right) \]
              7. associate-*r*N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(\left(\left(k \cdot k\right) \cdot k\right) \cdot k\right) \cdot t\right)\right), \ell\right), \ell\right) \]
              8. *-commutativeN/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(k \cdot \left(\left(k \cdot k\right) \cdot k\right)\right) \cdot t\right)\right), \ell\right), \ell\right) \]
              9. associate-*l*N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot \left(\left(\left(k \cdot k\right) \cdot k\right) \cdot t\right)\right)\right), \ell\right), \ell\right) \]
              10. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \left(\left(\left(k \cdot k\right) \cdot k\right) \cdot t\right)\right)\right), \ell\right), \ell\right) \]
              11. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\left(\left(k \cdot k\right) \cdot k\right), t\right)\right)\right), \ell\right), \ell\right) \]
              12. associate-*r*N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\left(k \cdot \left(k \cdot k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
              13. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, \left(k \cdot k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
              14. *-lowering-*.f6473.3%

                \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, \mathsf{*.f64}\left(k, k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
            7. Applied egg-rr73.3%

              \[\leadsto \color{blue}{\left(\frac{2}{k \cdot \left(\left(k \cdot \left(k \cdot k\right)\right) \cdot t\right)} \cdot \ell\right) \cdot \ell} \]
            8. Step-by-step derivation
              1. associate-*l*N/A

                \[\leadsto \frac{2}{k \cdot \left(\left(k \cdot \left(k \cdot k\right)\right) \cdot t\right)} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
              2. associate-*l*N/A

                \[\leadsto \frac{2}{k \cdot \left(k \cdot \left(\left(k \cdot k\right) \cdot t\right)\right)} \cdot \left(\ell \cdot \ell\right) \]
              3. *-commutativeN/A

                \[\leadsto \frac{2}{k \cdot \left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right)} \cdot \left(\ell \cdot \ell\right) \]
              4. *-commutativeN/A

                \[\leadsto \frac{2}{\left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right) \cdot k} \cdot \left(\ell \cdot \ell\right) \]
              5. associate-/r/N/A

                \[\leadsto \frac{2}{\color{blue}{\frac{\left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right) \cdot k}{\ell \cdot \ell}}} \]
              6. times-fracN/A

                \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell} \cdot \color{blue}{\frac{k}{\ell}}} \]
              7. associate-/r*N/A

                \[\leadsto \frac{\frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}}}{\color{blue}{\frac{k}{\ell}}} \]
              8. div-invN/A

                \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}} \cdot \color{blue}{\frac{1}{\frac{k}{\ell}}} \]
              9. clear-numN/A

                \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}} \cdot \frac{\ell}{\color{blue}{k}} \]
              10. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}}\right), \color{blue}{\left(\frac{\ell}{k}\right)}\right) \]
            9. Applied egg-rr74.1%

              \[\leadsto \color{blue}{\frac{2}{\frac{k \cdot \left(k \cdot k\right)}{\frac{\ell}{t}}} \cdot \frac{\ell}{k}} \]
            10. Step-by-step derivation
              1. associate-*l/N/A

                \[\leadsto \frac{2 \cdot \frac{\ell}{k}}{\color{blue}{\frac{k \cdot \left(k \cdot k\right)}{\frac{\ell}{t}}}} \]
              2. associate-/l*N/A

                \[\leadsto \frac{\frac{2 \cdot \ell}{k}}{\frac{\color{blue}{k \cdot \left(k \cdot k\right)}}{\frac{\ell}{t}}} \]
              3. associate-/l*N/A

                \[\leadsto \frac{\frac{2 \cdot \ell}{k}}{k \cdot \color{blue}{\frac{k \cdot k}{\frac{\ell}{t}}}} \]
              4. associate-/r*N/A

                \[\leadsto \frac{\frac{\frac{2 \cdot \ell}{k}}{k}}{\color{blue}{\frac{k \cdot k}{\frac{\ell}{t}}}} \]
              5. *-lft-identityN/A

                \[\leadsto \frac{\frac{\frac{2 \cdot \ell}{k}}{k}}{\frac{1 \cdot \left(k \cdot k\right)}{\frac{\color{blue}{\ell}}{t}}} \]
              6. associate-*l/N/A

                \[\leadsto \frac{\frac{\frac{2 \cdot \ell}{k}}{k}}{\frac{1}{\frac{\ell}{t}} \cdot \color{blue}{\left(k \cdot k\right)}} \]
              7. clear-numN/A

                \[\leadsto \frac{\frac{\frac{2 \cdot \ell}{k}}{k}}{\frac{t}{\ell} \cdot \left(\color{blue}{k} \cdot k\right)} \]
              8. /-lowering-/.f64N/A

                \[\leadsto \mathsf{/.f64}\left(\left(\frac{\frac{2 \cdot \ell}{k}}{k}\right), \color{blue}{\left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right)}\right) \]
              9. /-lowering-/.f64N/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\frac{2 \cdot \ell}{k}\right), k\right), \left(\color{blue}{\frac{t}{\ell}} \cdot \left(k \cdot k\right)\right)\right) \]
              10. associate-/l*N/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{k}\right), k\right), \left(\frac{\color{blue}{t}}{\ell} \cdot \left(k \cdot k\right)\right)\right) \]
              11. clear-numN/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{1}{\frac{k}{\ell}}\right), k\right), \left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right)\right) \]
              12. un-div-invN/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{\frac{k}{\ell}}\right), k\right), \left(\frac{\color{blue}{t}}{\ell} \cdot \left(k \cdot k\right)\right)\right) \]
              13. /-lowering-/.f64N/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{k}{\ell}\right)\right), k\right), \left(\frac{\color{blue}{t}}{\ell} \cdot \left(k \cdot k\right)\right)\right) \]
              14. /-lowering-/.f64N/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right)\right) \]
              15. associate-*l/N/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\frac{t \cdot \left(k \cdot k\right)}{\color{blue}{\ell}}\right)\right) \]
              16. *-commutativeN/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\frac{\left(k \cdot k\right) \cdot t}{\ell}\right)\right) \]
              17. associate-*r*N/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\frac{k \cdot \left(k \cdot t\right)}{\ell}\right)\right) \]
              18. *-commutativeN/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\frac{\left(k \cdot t\right) \cdot k}{\ell}\right)\right) \]
              19. associate-/l*N/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\left(k \cdot t\right) \cdot \color{blue}{\frac{k}{\ell}}\right)\right) \]
              20. clear-numN/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\left(k \cdot t\right) \cdot \frac{1}{\color{blue}{\frac{\ell}{k}}}\right)\right) \]
              21. un-div-invN/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\frac{k \cdot t}{\color{blue}{\frac{\ell}{k}}}\right)\right) \]
              22. /-lowering-/.f64N/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \mathsf{/.f64}\left(\left(k \cdot t\right), \color{blue}{\left(\frac{\ell}{k}\right)}\right)\right) \]
              23. *-lowering-*.f64N/A

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(k, t\right), \left(\frac{\color{blue}{\ell}}{k}\right)\right)\right) \]
              24. /-lowering-/.f6481.2%

                \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(k, t\right), \mathsf{/.f64}\left(\ell, \color{blue}{k}\right)\right)\right) \]
            11. Applied egg-rr81.2%

              \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\frac{k}{\ell}}}{k}}{\frac{k \cdot t}{\frac{\ell}{k}}}} \]

            if 2.2999999999999998e-99 < k < 2.70000000000000016e88

            1. Initial program 27.9%

              \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
            2. Step-by-step derivation
              1. *-commutativeN/A

                \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
              2. associate-*r*N/A

                \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
              3. associate-/r*N/A

                \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
              4. /-lowering-/.f64N/A

                \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
            3. Simplified67.0%

              \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
            4. Add Preprocessing
            5. Step-by-step derivation
              1. associate-/l/N/A

                \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
              2. associate-/r/N/A

                \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
              3. associate-/l*N/A

                \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
              4. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
              5. *-inversesN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              6. associate-*l*N/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              7. *-commutativeN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              8. times-fracN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
              9. *-rgt-identityN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              10. *-inversesN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              11. *-rgt-identityN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
              12. /-lowering-/.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
              13. /-lowering-/.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              14. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              15. /-lowering-/.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              16. /-lowering-/.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
            6. Applied egg-rr97.5%

              \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
            7. Taylor expanded in k around 0

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{-1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
            8. Step-by-step derivation
              1. /-lowering-/.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\ell + \frac{-1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), \color{blue}{\left({k}^{2}\right)}\right)\right) \]
              2. associate-*r*N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\ell + \left(\frac{-1}{6} \cdot {k}^{2}\right) \cdot \ell\right), \left({k}^{2}\right)\right)\right) \]
              3. distribute-rgt1-inN/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\left(\frac{-1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), \left({\color{blue}{k}}^{2}\right)\right)\right) \]
              4. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(\frac{-1}{6} \cdot {k}^{2} + 1\right), \ell\right), \left({\color{blue}{k}}^{2}\right)\right)\right) \]
              5. +-lowering-+.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\left(\frac{-1}{6} \cdot {k}^{2}\right), 1\right), \ell\right), \left({k}^{2}\right)\right)\right) \]
              6. *-commutativeN/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\left({k}^{2} \cdot \frac{-1}{6}\right), 1\right), \ell\right), \left({k}^{2}\right)\right)\right) \]
              7. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{*.f64}\left(\left({k}^{2}\right), \frac{-1}{6}\right), 1\right), \ell\right), \left({k}^{2}\right)\right)\right) \]
              8. unpow2N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{*.f64}\left(\left(k \cdot k\right), \frac{-1}{6}\right), 1\right), \ell\right), \left({k}^{2}\right)\right)\right) \]
              9. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{-1}{6}\right), 1\right), \ell\right), \left({k}^{2}\right)\right)\right) \]
              10. unpow2N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{-1}{6}\right), 1\right), \ell\right), \left(k \cdot \color{blue}{k}\right)\right)\right) \]
              11. *-lowering-*.f6469.4%

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{-1}{6}\right), 1\right), \ell\right), \mathsf{*.f64}\left(k, \color{blue}{k}\right)\right)\right) \]
            9. Simplified69.4%

              \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\left(\left(k \cdot k\right) \cdot -0.16666666666666666 + 1\right) \cdot \ell}{k \cdot k}} \]

            if 2.70000000000000016e88 < k

            1. Initial program 30.9%

              \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
            2. Step-by-step derivation
              1. *-commutativeN/A

                \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
              2. associate-*r*N/A

                \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
              3. associate-/r*N/A

                \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
              4. /-lowering-/.f64N/A

                \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
            3. Simplified63.3%

              \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
            4. Add Preprocessing
            5. Step-by-step derivation
              1. associate-/l/N/A

                \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
              2. associate-/r/N/A

                \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
              3. associate-/l*N/A

                \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
              4. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
              5. *-inversesN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              6. associate-*l*N/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              7. *-commutativeN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              8. times-fracN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
              9. *-rgt-identityN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              10. *-inversesN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              11. *-rgt-identityN/A

                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
              12. /-lowering-/.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
              13. /-lowering-/.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              14. *-lowering-*.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              15. /-lowering-/.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
              16. /-lowering-/.f64N/A

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
            6. Applied egg-rr78.5%

              \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
            7. Taylor expanded in k around 0

              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
            8. Step-by-step derivation
              1. Simplified64.3%

                \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
              2. Taylor expanded in k around 0

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
              3. Step-by-step derivation
                1. unpow2N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
                2. associate-/r*N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
                3. /-lowering-/.f64N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
                4. /-lowering-/.f64N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
                5. associate-*r*N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                6. distribute-rgt1-inN/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
                7. +-commutativeN/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                8. *-lowering-*.f64N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
                9. +-lowering-+.f64N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
                10. *-commutativeN/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                11. *-lowering-*.f64N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                12. unpow2N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                13. *-lowering-*.f6423.1%

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
              4. Simplified23.1%

                \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
              5. Taylor expanded in k around inf

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{1}{6} \cdot \ell\right)}\right) \]
              6. Step-by-step derivation
                1. *-commutativeN/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\ell \cdot \color{blue}{\frac{1}{6}}\right)\right) \]
                2. *-lowering-*.f6465.7%

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\frac{1}{6}}\right)\right) \]
              7. Simplified65.7%

                \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\left(\ell \cdot 0.16666666666666666\right)} \]
            9. Recombined 3 regimes into one program.
            10. Final simplification76.2%

              \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 2.3 \cdot 10^{-99}:\\ \;\;\;\;\frac{\frac{\frac{2}{\frac{k}{\ell}}}{k}}{\frac{k \cdot t}{\frac{\ell}{k}}}\\ \mathbf{elif}\;k \leq 2.7 \cdot 10^{+88}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell \cdot \left(1 + \left(k \cdot k\right) \cdot -0.16666666666666666\right)}{k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\ \end{array} \]
            11. Add Preprocessing

            Alternative 6: 69.7% accurate, 15.0× speedup?

            \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 1.75 \cdot 10^{+130}:\\ \;\;\;\;\frac{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}{\frac{t}{\frac{\frac{2}{\frac{k}{\ell}}}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\ \end{array} \end{array} \]
            (FPCore (t l k)
             :precision binary64
             (if (<= k 1.75e+130)
               (/
                (/ (/ (+ 1.0 (* (* k k) 0.16666666666666666)) k) (/ k l))
                (/ t (/ (/ 2.0 (/ k l)) k)))
               (* (/ (/ 2.0 (* k k)) (/ t l)) (* l 0.16666666666666666))))
            double code(double t, double l, double k) {
            	double tmp;
            	if (k <= 1.75e+130) {
            		tmp = (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)) / (t / ((2.0 / (k / l)) / k));
            	} else {
            		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
            	}
            	return tmp;
            }
            
            real(8) function code(t, l, k)
                real(8), intent (in) :: t
                real(8), intent (in) :: l
                real(8), intent (in) :: k
                real(8) :: tmp
                if (k <= 1.75d+130) then
                    tmp = (((1.0d0 + ((k * k) * 0.16666666666666666d0)) / k) / (k / l)) / (t / ((2.0d0 / (k / l)) / k))
                else
                    tmp = ((2.0d0 / (k * k)) / (t / l)) * (l * 0.16666666666666666d0)
                end if
                code = tmp
            end function
            
            public static double code(double t, double l, double k) {
            	double tmp;
            	if (k <= 1.75e+130) {
            		tmp = (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)) / (t / ((2.0 / (k / l)) / k));
            	} else {
            		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
            	}
            	return tmp;
            }
            
            def code(t, l, k):
            	tmp = 0
            	if k <= 1.75e+130:
            		tmp = (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)) / (t / ((2.0 / (k / l)) / k))
            	else:
            		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666)
            	return tmp
            
            function code(t, l, k)
            	tmp = 0.0
            	if (k <= 1.75e+130)
            		tmp = Float64(Float64(Float64(Float64(1.0 + Float64(Float64(k * k) * 0.16666666666666666)) / k) / Float64(k / l)) / Float64(t / Float64(Float64(2.0 / Float64(k / l)) / k)));
            	else
            		tmp = Float64(Float64(Float64(2.0 / Float64(k * k)) / Float64(t / l)) * Float64(l * 0.16666666666666666));
            	end
            	return tmp
            end
            
            function tmp_2 = code(t, l, k)
            	tmp = 0.0;
            	if (k <= 1.75e+130)
            		tmp = (((1.0 + ((k * k) * 0.16666666666666666)) / k) / (k / l)) / (t / ((2.0 / (k / l)) / k));
            	else
            		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
            	end
            	tmp_2 = tmp;
            end
            
            code[t_, l_, k_] := If[LessEqual[k, 1.75e+130], N[(N[(N[(N[(1.0 + N[(N[(k * k), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision] / k), $MachinePrecision] / N[(k / l), $MachinePrecision]), $MachinePrecision] / N[(t / N[(N[(2.0 / N[(k / l), $MachinePrecision]), $MachinePrecision] / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(2.0 / N[(k * k), $MachinePrecision]), $MachinePrecision] / N[(t / l), $MachinePrecision]), $MachinePrecision] * N[(l * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]]
            
            \begin{array}{l}
            
            \\
            \begin{array}{l}
            \mathbf{if}\;k \leq 1.75 \cdot 10^{+130}:\\
            \;\;\;\;\frac{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}{\frac{t}{\frac{\frac{2}{\frac{k}{\ell}}}{k}}}\\
            
            \mathbf{else}:\\
            \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\
            
            
            \end{array}
            \end{array}
            
            Derivation
            1. Split input into 2 regimes
            2. if k < 1.75e130

              1. Initial program 37.4%

                \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
              2. Step-by-step derivation
                1. *-commutativeN/A

                  \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                2. associate-*r*N/A

                  \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                3. associate-/r*N/A

                  \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                4. /-lowering-/.f64N/A

                  \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
              3. Simplified66.2%

                \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
              4. Add Preprocessing
              5. Step-by-step derivation
                1. associate-/l/N/A

                  \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                2. associate-/r/N/A

                  \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                3. associate-/l*N/A

                  \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                4. *-lowering-*.f64N/A

                  \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                5. *-inversesN/A

                  \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                6. associate-*l*N/A

                  \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                7. *-commutativeN/A

                  \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                8. times-fracN/A

                  \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                9. *-rgt-identityN/A

                  \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                10. *-inversesN/A

                  \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                11. *-rgt-identityN/A

                  \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                12. /-lowering-/.f64N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                13. /-lowering-/.f64N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                14. *-lowering-*.f64N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                15. /-lowering-/.f64N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                16. /-lowering-/.f64N/A

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
              6. Applied egg-rr90.0%

                \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
              7. Taylor expanded in k around 0

                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
              8. Step-by-step derivation
                1. Simplified71.6%

                  \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
                2. Taylor expanded in k around 0

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
                3. Step-by-step derivation
                  1. unpow2N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
                  2. associate-/r*N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
                  3. /-lowering-/.f64N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
                  4. /-lowering-/.f64N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
                  5. associate-*r*N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                  6. distribute-rgt1-inN/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
                  7. +-commutativeN/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                  8. *-lowering-*.f64N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
                  9. +-lowering-+.f64N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
                  10. *-commutativeN/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                  11. *-lowering-*.f64N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                  12. unpow2N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                  13. *-lowering-*.f6465.4%

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                4. Simplified65.4%

                  \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
                5. Step-by-step derivation
                  1. *-commutativeN/A

                    \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}} \]
                  2. div-invN/A

                    \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \left(\frac{2}{k \cdot k} \cdot \color{blue}{\frac{1}{\frac{t}{\ell}}}\right) \]
                  3. clear-numN/A

                    \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \left(\frac{2}{k \cdot k} \cdot \frac{\ell}{\color{blue}{t}}\right) \]
                  4. frac-timesN/A

                    \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \frac{2 \cdot \ell}{\color{blue}{\left(k \cdot k\right) \cdot t}} \]
                  5. associate-*r*N/A

                    \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \frac{2 \cdot \ell}{k \cdot \color{blue}{\left(k \cdot t\right)}} \]
                  6. associate-/r*N/A

                    \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \frac{\frac{2 \cdot \ell}{k}}{\color{blue}{k \cdot t}} \]
                  7. clear-numN/A

                    \[\leadsto \frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k} \cdot \frac{1}{\color{blue}{\frac{k \cdot t}{\frac{2 \cdot \ell}{k}}}} \]
                  8. un-div-invN/A

                    \[\leadsto \frac{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k}}{\color{blue}{\frac{k \cdot t}{\frac{2 \cdot \ell}{k}}}} \]
                  9. /-lowering-/.f64N/A

                    \[\leadsto \mathsf{/.f64}\left(\left(\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot \frac{1}{6}\right) \cdot \ell}{k}}{k}\right), \color{blue}{\left(\frac{k \cdot t}{\frac{2 \cdot \ell}{k}}\right)}\right) \]
                6. Applied egg-rr70.5%

                  \[\leadsto \color{blue}{\frac{\frac{\frac{1 + \left(k \cdot k\right) \cdot 0.16666666666666666}{k}}{\frac{k}{\ell}}}{\frac{t}{\frac{\frac{2}{\frac{k}{\ell}}}{k}}}} \]

                if 1.75e130 < k

                1. Initial program 33.5%

                  \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                2. Step-by-step derivation
                  1. *-commutativeN/A

                    \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                  2. associate-*r*N/A

                    \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                  3. associate-/r*N/A

                    \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                  4. /-lowering-/.f64N/A

                    \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
                3. Simplified64.6%

                  \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
                4. Add Preprocessing
                5. Step-by-step derivation
                  1. associate-/l/N/A

                    \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                  2. associate-/r/N/A

                    \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                  3. associate-/l*N/A

                    \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                  4. *-lowering-*.f64N/A

                    \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                  5. *-inversesN/A

                    \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                  6. associate-*l*N/A

                    \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                  7. *-commutativeN/A

                    \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                  8. times-fracN/A

                    \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                  9. *-rgt-identityN/A

                    \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                  10. *-inversesN/A

                    \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                  11. *-rgt-identityN/A

                    \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                  12. /-lowering-/.f64N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                  13. /-lowering-/.f64N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                  14. *-lowering-*.f64N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                  15. /-lowering-/.f64N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                  16. /-lowering-/.f64N/A

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
                6. Applied egg-rr71.0%

                  \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
                7. Taylor expanded in k around 0

                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
                8. Step-by-step derivation
                  1. Simplified68.2%

                    \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
                  2. Taylor expanded in k around 0

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
                  3. Step-by-step derivation
                    1. unpow2N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
                    2. associate-/r*N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
                    3. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
                    4. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
                    5. associate-*r*N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                    6. distribute-rgt1-inN/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
                    7. +-commutativeN/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                    8. *-lowering-*.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
                    9. +-lowering-+.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
                    10. *-commutativeN/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                    11. *-lowering-*.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                    12. unpow2N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                    13. *-lowering-*.f6411.3%

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                  4. Simplified11.3%

                    \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
                  5. Taylor expanded in k around inf

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{1}{6} \cdot \ell\right)}\right) \]
                  6. Step-by-step derivation
                    1. *-commutativeN/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\ell \cdot \color{blue}{\frac{1}{6}}\right)\right) \]
                    2. *-lowering-*.f6468.6%

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\frac{1}{6}}\right)\right) \]
                  7. Simplified68.6%

                    \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\left(\ell \cdot 0.16666666666666666\right)} \]
                9. Recombined 2 regimes into one program.
                10. Add Preprocessing

                Alternative 7: 67.8% accurate, 15.0× speedup?

                \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 2.7 \cdot 10^{+88}:\\ \;\;\;\;\frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t} \cdot \frac{\ell \cdot \left(1 + \left(k \cdot k\right) \cdot -0.16666666666666666\right)}{k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\ \end{array} \end{array} \]
                (FPCore (t l k)
                 :precision binary64
                 (if (<= k 2.7e+88)
                   (*
                    (/ (/ (* 2.0 (/ l k)) k) t)
                    (/ (* l (+ 1.0 (* (* k k) -0.16666666666666666))) (* k k)))
                   (* (/ (/ 2.0 (* k k)) (/ t l)) (* l 0.16666666666666666))))
                double code(double t, double l, double k) {
                	double tmp;
                	if (k <= 2.7e+88) {
                		tmp = (((2.0 * (l / k)) / k) / t) * ((l * (1.0 + ((k * k) * -0.16666666666666666))) / (k * k));
                	} else {
                		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                	}
                	return tmp;
                }
                
                real(8) function code(t, l, k)
                    real(8), intent (in) :: t
                    real(8), intent (in) :: l
                    real(8), intent (in) :: k
                    real(8) :: tmp
                    if (k <= 2.7d+88) then
                        tmp = (((2.0d0 * (l / k)) / k) / t) * ((l * (1.0d0 + ((k * k) * (-0.16666666666666666d0)))) / (k * k))
                    else
                        tmp = ((2.0d0 / (k * k)) / (t / l)) * (l * 0.16666666666666666d0)
                    end if
                    code = tmp
                end function
                
                public static double code(double t, double l, double k) {
                	double tmp;
                	if (k <= 2.7e+88) {
                		tmp = (((2.0 * (l / k)) / k) / t) * ((l * (1.0 + ((k * k) * -0.16666666666666666))) / (k * k));
                	} else {
                		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                	}
                	return tmp;
                }
                
                def code(t, l, k):
                	tmp = 0
                	if k <= 2.7e+88:
                		tmp = (((2.0 * (l / k)) / k) / t) * ((l * (1.0 + ((k * k) * -0.16666666666666666))) / (k * k))
                	else:
                		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666)
                	return tmp
                
                function code(t, l, k)
                	tmp = 0.0
                	if (k <= 2.7e+88)
                		tmp = Float64(Float64(Float64(Float64(2.0 * Float64(l / k)) / k) / t) * Float64(Float64(l * Float64(1.0 + Float64(Float64(k * k) * -0.16666666666666666))) / Float64(k * k)));
                	else
                		tmp = Float64(Float64(Float64(2.0 / Float64(k * k)) / Float64(t / l)) * Float64(l * 0.16666666666666666));
                	end
                	return tmp
                end
                
                function tmp_2 = code(t, l, k)
                	tmp = 0.0;
                	if (k <= 2.7e+88)
                		tmp = (((2.0 * (l / k)) / k) / t) * ((l * (1.0 + ((k * k) * -0.16666666666666666))) / (k * k));
                	else
                		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                	end
                	tmp_2 = tmp;
                end
                
                code[t_, l_, k_] := If[LessEqual[k, 2.7e+88], N[(N[(N[(N[(2.0 * N[(l / k), $MachinePrecision]), $MachinePrecision] / k), $MachinePrecision] / t), $MachinePrecision] * N[(N[(l * N[(1.0 + N[(N[(k * k), $MachinePrecision] * -0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(2.0 / N[(k * k), $MachinePrecision]), $MachinePrecision] / N[(t / l), $MachinePrecision]), $MachinePrecision] * N[(l * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]]
                
                \begin{array}{l}
                
                \\
                \begin{array}{l}
                \mathbf{if}\;k \leq 2.7 \cdot 10^{+88}:\\
                \;\;\;\;\frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t} \cdot \frac{\ell \cdot \left(1 + \left(k \cdot k\right) \cdot -0.16666666666666666\right)}{k \cdot k}\\
                
                \mathbf{else}:\\
                \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\
                
                
                \end{array}
                \end{array}
                
                Derivation
                1. Split input into 2 regimes
                2. if k < 2.70000000000000016e88

                  1. Initial program 38.2%

                    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                  2. Step-by-step derivation
                    1. *-commutativeN/A

                      \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                    2. associate-*r*N/A

                      \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                    3. associate-/r*N/A

                      \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                    4. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
                  3. Simplified66.7%

                    \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
                  4. Add Preprocessing
                  5. Step-by-step derivation
                    1. associate-/l/N/A

                      \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                    2. associate-/r/N/A

                      \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                    3. associate-/l*N/A

                      \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                    4. *-lowering-*.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                    5. *-inversesN/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    6. associate-*l*N/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    7. *-commutativeN/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    8. times-fracN/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                    9. *-rgt-identityN/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    10. *-inversesN/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    11. *-rgt-identityN/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                    12. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                    13. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    14. *-lowering-*.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    15. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    16. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
                  6. Applied egg-rr89.4%

                    \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
                  7. Taylor expanded in k around 0

                    \[\leadsto \mathsf{*.f64}\left(\color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot t}\right)}, \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                  8. Step-by-step derivation
                    1. associate-/r*N/A

                      \[\leadsto \mathsf{*.f64}\left(\left(2 \cdot \frac{\frac{\ell}{{k}^{2}}}{t}\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                    2. associate-*r/N/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{2 \cdot \frac{\ell}{{k}^{2}}}{t}\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                    3. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{{k}^{2}}\right), t\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                    4. unpow2N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{k \cdot k}\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                    5. associate-/r*N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\frac{\ell}{k}}{k}\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                    6. associate-*r/N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2 \cdot \frac{\ell}{k}}{k}\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                    7. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{k}\right), k\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                    8. *-lowering-*.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \left(\frac{\ell}{k}\right)\right), k\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                    9. /-lowering-/.f6494.3%

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                  9. Simplified94.3%

                    \[\leadsto \color{blue}{\frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t}} \cdot \frac{\ell}{\sin k \cdot \tan k} \]
                  10. Taylor expanded in k around 0

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \color{blue}{\left(\frac{\ell + \frac{-1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
                  11. Step-by-step derivation
                    1. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\left(\ell + \frac{-1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), \color{blue}{\left({k}^{2}\right)}\right)\right) \]
                    2. associate-*r*N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\left(\ell + \left(\frac{-1}{6} \cdot {k}^{2}\right) \cdot \ell\right), \left({k}^{2}\right)\right)\right) \]
                    3. distribute-rgt1-inN/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\left(\left(\frac{-1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), \left({\color{blue}{k}}^{2}\right)\right)\right) \]
                    4. *-lowering-*.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(\frac{-1}{6} \cdot {k}^{2} + 1\right), \ell\right), \left({\color{blue}{k}}^{2}\right)\right)\right) \]
                    5. +-lowering-+.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\left(\frac{-1}{6} \cdot {k}^{2}\right), 1\right), \ell\right), \left({k}^{2}\right)\right)\right) \]
                    6. *-commutativeN/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\left({k}^{2} \cdot \frac{-1}{6}\right), 1\right), \ell\right), \left({k}^{2}\right)\right)\right) \]
                    7. *-lowering-*.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{*.f64}\left(\left({k}^{2}\right), \frac{-1}{6}\right), 1\right), \ell\right), \left({k}^{2}\right)\right)\right) \]
                    8. unpow2N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{*.f64}\left(\left(k \cdot k\right), \frac{-1}{6}\right), 1\right), \ell\right), \left({k}^{2}\right)\right)\right) \]
                    9. *-lowering-*.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{-1}{6}\right), 1\right), \ell\right), \left({k}^{2}\right)\right)\right) \]
                    10. unpow2N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{-1}{6}\right), 1\right), \ell\right), \left(k \cdot \color{blue}{k}\right)\right)\right) \]
                    11. *-lowering-*.f6469.7%

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(\mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{-1}{6}\right), 1\right), \ell\right), \mathsf{*.f64}\left(k, \color{blue}{k}\right)\right)\right) \]
                  12. Simplified69.7%

                    \[\leadsto \frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t} \cdot \color{blue}{\frac{\left(\left(k \cdot k\right) \cdot -0.16666666666666666 + 1\right) \cdot \ell}{k \cdot k}} \]

                  if 2.70000000000000016e88 < k

                  1. Initial program 30.9%

                    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                  2. Step-by-step derivation
                    1. *-commutativeN/A

                      \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                    2. associate-*r*N/A

                      \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                    3. associate-/r*N/A

                      \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                    4. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
                  3. Simplified63.3%

                    \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
                  4. Add Preprocessing
                  5. Step-by-step derivation
                    1. associate-/l/N/A

                      \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                    2. associate-/r/N/A

                      \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                    3. associate-/l*N/A

                      \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                    4. *-lowering-*.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                    5. *-inversesN/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    6. associate-*l*N/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    7. *-commutativeN/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    8. times-fracN/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                    9. *-rgt-identityN/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    10. *-inversesN/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    11. *-rgt-identityN/A

                      \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                    12. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                    13. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    14. *-lowering-*.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    15. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                    16. /-lowering-/.f64N/A

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
                  6. Applied egg-rr78.5%

                    \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
                  7. Taylor expanded in k around 0

                    \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
                  8. Step-by-step derivation
                    1. Simplified64.3%

                      \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
                    2. Taylor expanded in k around 0

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
                    3. Step-by-step derivation
                      1. unpow2N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
                      2. associate-/r*N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
                      3. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
                      4. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
                      5. associate-*r*N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                      6. distribute-rgt1-inN/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
                      7. +-commutativeN/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                      8. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
                      9. +-lowering-+.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
                      10. *-commutativeN/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                      11. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                      12. unpow2N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                      13. *-lowering-*.f6423.1%

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                    4. Simplified23.1%

                      \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
                    5. Taylor expanded in k around inf

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{1}{6} \cdot \ell\right)}\right) \]
                    6. Step-by-step derivation
                      1. *-commutativeN/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\ell \cdot \color{blue}{\frac{1}{6}}\right)\right) \]
                      2. *-lowering-*.f6465.7%

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\frac{1}{6}}\right)\right) \]
                    7. Simplified65.7%

                      \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\left(\ell \cdot 0.16666666666666666\right)} \]
                  9. Recombined 2 regimes into one program.
                  10. Final simplification69.0%

                    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 2.7 \cdot 10^{+88}:\\ \;\;\;\;\frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t} \cdot \frac{\ell \cdot \left(1 + \left(k \cdot k\right) \cdot -0.16666666666666666\right)}{k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\ \end{array} \]
                  11. Add Preprocessing

                  Alternative 8: 75.5% accurate, 21.0× speedup?

                  \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 1.3 \cdot 10^{-100}:\\ \;\;\;\;\frac{\frac{\frac{2}{\frac{k}{\ell}}}{k}}{\frac{k \cdot t}{\frac{\ell}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{k \cdot k}\\ \end{array} \end{array} \]
                  (FPCore (t l k)
                   :precision binary64
                   (if (<= k 1.3e-100)
                     (/ (/ (/ 2.0 (/ k l)) k) (/ (* k t) (/ l k)))
                     (* (/ (/ 2.0 (* k k)) (/ t l)) (/ l (* k k)))))
                  double code(double t, double l, double k) {
                  	double tmp;
                  	if (k <= 1.3e-100) {
                  		tmp = ((2.0 / (k / l)) / k) / ((k * t) / (l / k));
                  	} else {
                  		tmp = ((2.0 / (k * k)) / (t / l)) * (l / (k * k));
                  	}
                  	return tmp;
                  }
                  
                  real(8) function code(t, l, k)
                      real(8), intent (in) :: t
                      real(8), intent (in) :: l
                      real(8), intent (in) :: k
                      real(8) :: tmp
                      if (k <= 1.3d-100) then
                          tmp = ((2.0d0 / (k / l)) / k) / ((k * t) / (l / k))
                      else
                          tmp = ((2.0d0 / (k * k)) / (t / l)) * (l / (k * k))
                      end if
                      code = tmp
                  end function
                  
                  public static double code(double t, double l, double k) {
                  	double tmp;
                  	if (k <= 1.3e-100) {
                  		tmp = ((2.0 / (k / l)) / k) / ((k * t) / (l / k));
                  	} else {
                  		tmp = ((2.0 / (k * k)) / (t / l)) * (l / (k * k));
                  	}
                  	return tmp;
                  }
                  
                  def code(t, l, k):
                  	tmp = 0
                  	if k <= 1.3e-100:
                  		tmp = ((2.0 / (k / l)) / k) / ((k * t) / (l / k))
                  	else:
                  		tmp = ((2.0 / (k * k)) / (t / l)) * (l / (k * k))
                  	return tmp
                  
                  function code(t, l, k)
                  	tmp = 0.0
                  	if (k <= 1.3e-100)
                  		tmp = Float64(Float64(Float64(2.0 / Float64(k / l)) / k) / Float64(Float64(k * t) / Float64(l / k)));
                  	else
                  		tmp = Float64(Float64(Float64(2.0 / Float64(k * k)) / Float64(t / l)) * Float64(l / Float64(k * k)));
                  	end
                  	return tmp
                  end
                  
                  function tmp_2 = code(t, l, k)
                  	tmp = 0.0;
                  	if (k <= 1.3e-100)
                  		tmp = ((2.0 / (k / l)) / k) / ((k * t) / (l / k));
                  	else
                  		tmp = ((2.0 / (k * k)) / (t / l)) * (l / (k * k));
                  	end
                  	tmp_2 = tmp;
                  end
                  
                  code[t_, l_, k_] := If[LessEqual[k, 1.3e-100], N[(N[(N[(2.0 / N[(k / l), $MachinePrecision]), $MachinePrecision] / k), $MachinePrecision] / N[(N[(k * t), $MachinePrecision] / N[(l / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(2.0 / N[(k * k), $MachinePrecision]), $MachinePrecision] / N[(t / l), $MachinePrecision]), $MachinePrecision] * N[(l / N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
                  
                  \begin{array}{l}
                  
                  \\
                  \begin{array}{l}
                  \mathbf{if}\;k \leq 1.3 \cdot 10^{-100}:\\
                  \;\;\;\;\frac{\frac{\frac{2}{\frac{k}{\ell}}}{k}}{\frac{k \cdot t}{\frac{\ell}{k}}}\\
                  
                  \mathbf{else}:\\
                  \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{k \cdot k}\\
                  
                  
                  \end{array}
                  \end{array}
                  
                  Derivation
                  1. Split input into 2 regimes
                  2. if k < 1.2999999999999999e-100

                    1. Initial program 41.0%

                      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                    2. Add Preprocessing
                    3. Taylor expanded in k around 0

                      \[\leadsto \mathsf{/.f64}\left(2, \color{blue}{\left(\frac{{k}^{4} \cdot t}{{\ell}^{2}}\right)}\right) \]
                    4. Step-by-step derivation
                      1. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left({k}^{4} \cdot t\right), \color{blue}{\left({\ell}^{2}\right)}\right)\right) \]
                      2. *-commutativeN/A

                        \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left(t \cdot {k}^{4}\right), \left({\color{blue}{\ell}}^{2}\right)\right)\right) \]
                      3. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{4}\right)\right), \left({\color{blue}{\ell}}^{2}\right)\right)\right) \]
                      4. metadata-evalN/A

                        \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{\left(2 \cdot 2\right)}\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                      5. pow-sqrN/A

                        \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{2} \cdot {k}^{2}\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                      6. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\left({k}^{2}\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                      7. unpow2N/A

                        \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\left(k \cdot k\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                      8. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                      9. unpow2N/A

                        \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \left(k \cdot k\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                      10. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                      11. unpow2N/A

                        \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \left(\ell \cdot \color{blue}{\ell}\right)\right)\right) \]
                      12. *-lowering-*.f6463.9%

                        \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\ell}\right)\right)\right) \]
                    5. Simplified63.9%

                      \[\leadsto \frac{2}{\color{blue}{\frac{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)}{\ell \cdot \ell}}} \]
                    6. Step-by-step derivation
                      1. associate-/r/N/A

                        \[\leadsto \frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
                      2. associate-*r*N/A

                        \[\leadsto \left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \ell\right) \cdot \color{blue}{\ell} \]
                      3. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \ell\right), \color{blue}{\ell}\right) \]
                      4. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)}\right), \ell\right), \ell\right) \]
                      5. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)\right)\right), \ell\right), \ell\right) \]
                      6. *-commutativeN/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                      7. associate-*r*N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(\left(\left(k \cdot k\right) \cdot k\right) \cdot k\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                      8. *-commutativeN/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(k \cdot \left(\left(k \cdot k\right) \cdot k\right)\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                      9. associate-*l*N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot \left(\left(\left(k \cdot k\right) \cdot k\right) \cdot t\right)\right)\right), \ell\right), \ell\right) \]
                      10. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \left(\left(\left(k \cdot k\right) \cdot k\right) \cdot t\right)\right)\right), \ell\right), \ell\right) \]
                      11. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\left(\left(k \cdot k\right) \cdot k\right), t\right)\right)\right), \ell\right), \ell\right) \]
                      12. associate-*r*N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\left(k \cdot \left(k \cdot k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                      13. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, \left(k \cdot k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                      14. *-lowering-*.f6473.3%

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, \mathsf{*.f64}\left(k, k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                    7. Applied egg-rr73.3%

                      \[\leadsto \color{blue}{\left(\frac{2}{k \cdot \left(\left(k \cdot \left(k \cdot k\right)\right) \cdot t\right)} \cdot \ell\right) \cdot \ell} \]
                    8. Step-by-step derivation
                      1. associate-*l*N/A

                        \[\leadsto \frac{2}{k \cdot \left(\left(k \cdot \left(k \cdot k\right)\right) \cdot t\right)} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
                      2. associate-*l*N/A

                        \[\leadsto \frac{2}{k \cdot \left(k \cdot \left(\left(k \cdot k\right) \cdot t\right)\right)} \cdot \left(\ell \cdot \ell\right) \]
                      3. *-commutativeN/A

                        \[\leadsto \frac{2}{k \cdot \left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right)} \cdot \left(\ell \cdot \ell\right) \]
                      4. *-commutativeN/A

                        \[\leadsto \frac{2}{\left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right) \cdot k} \cdot \left(\ell \cdot \ell\right) \]
                      5. associate-/r/N/A

                        \[\leadsto \frac{2}{\color{blue}{\frac{\left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right) \cdot k}{\ell \cdot \ell}}} \]
                      6. times-fracN/A

                        \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell} \cdot \color{blue}{\frac{k}{\ell}}} \]
                      7. associate-/r*N/A

                        \[\leadsto \frac{\frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}}}{\color{blue}{\frac{k}{\ell}}} \]
                      8. div-invN/A

                        \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}} \cdot \color{blue}{\frac{1}{\frac{k}{\ell}}} \]
                      9. clear-numN/A

                        \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}} \cdot \frac{\ell}{\color{blue}{k}} \]
                      10. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}}\right), \color{blue}{\left(\frac{\ell}{k}\right)}\right) \]
                    9. Applied egg-rr74.1%

                      \[\leadsto \color{blue}{\frac{2}{\frac{k \cdot \left(k \cdot k\right)}{\frac{\ell}{t}}} \cdot \frac{\ell}{k}} \]
                    10. Step-by-step derivation
                      1. associate-*l/N/A

                        \[\leadsto \frac{2 \cdot \frac{\ell}{k}}{\color{blue}{\frac{k \cdot \left(k \cdot k\right)}{\frac{\ell}{t}}}} \]
                      2. associate-/l*N/A

                        \[\leadsto \frac{\frac{2 \cdot \ell}{k}}{\frac{\color{blue}{k \cdot \left(k \cdot k\right)}}{\frac{\ell}{t}}} \]
                      3. associate-/l*N/A

                        \[\leadsto \frac{\frac{2 \cdot \ell}{k}}{k \cdot \color{blue}{\frac{k \cdot k}{\frac{\ell}{t}}}} \]
                      4. associate-/r*N/A

                        \[\leadsto \frac{\frac{\frac{2 \cdot \ell}{k}}{k}}{\color{blue}{\frac{k \cdot k}{\frac{\ell}{t}}}} \]
                      5. *-lft-identityN/A

                        \[\leadsto \frac{\frac{\frac{2 \cdot \ell}{k}}{k}}{\frac{1 \cdot \left(k \cdot k\right)}{\frac{\color{blue}{\ell}}{t}}} \]
                      6. associate-*l/N/A

                        \[\leadsto \frac{\frac{\frac{2 \cdot \ell}{k}}{k}}{\frac{1}{\frac{\ell}{t}} \cdot \color{blue}{\left(k \cdot k\right)}} \]
                      7. clear-numN/A

                        \[\leadsto \frac{\frac{\frac{2 \cdot \ell}{k}}{k}}{\frac{t}{\ell} \cdot \left(\color{blue}{k} \cdot k\right)} \]
                      8. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(\left(\frac{\frac{2 \cdot \ell}{k}}{k}\right), \color{blue}{\left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right)}\right) \]
                      9. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\frac{2 \cdot \ell}{k}\right), k\right), \left(\color{blue}{\frac{t}{\ell}} \cdot \left(k \cdot k\right)\right)\right) \]
                      10. associate-/l*N/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{k}\right), k\right), \left(\frac{\color{blue}{t}}{\ell} \cdot \left(k \cdot k\right)\right)\right) \]
                      11. clear-numN/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{1}{\frac{k}{\ell}}\right), k\right), \left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right)\right) \]
                      12. un-div-invN/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{\frac{k}{\ell}}\right), k\right), \left(\frac{\color{blue}{t}}{\ell} \cdot \left(k \cdot k\right)\right)\right) \]
                      13. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{k}{\ell}\right)\right), k\right), \left(\frac{\color{blue}{t}}{\ell} \cdot \left(k \cdot k\right)\right)\right) \]
                      14. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right)\right) \]
                      15. associate-*l/N/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\frac{t \cdot \left(k \cdot k\right)}{\color{blue}{\ell}}\right)\right) \]
                      16. *-commutativeN/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\frac{\left(k \cdot k\right) \cdot t}{\ell}\right)\right) \]
                      17. associate-*r*N/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\frac{k \cdot \left(k \cdot t\right)}{\ell}\right)\right) \]
                      18. *-commutativeN/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\frac{\left(k \cdot t\right) \cdot k}{\ell}\right)\right) \]
                      19. associate-/l*N/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\left(k \cdot t\right) \cdot \color{blue}{\frac{k}{\ell}}\right)\right) \]
                      20. clear-numN/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\left(k \cdot t\right) \cdot \frac{1}{\color{blue}{\frac{\ell}{k}}}\right)\right) \]
                      21. un-div-invN/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \left(\frac{k \cdot t}{\color{blue}{\frac{\ell}{k}}}\right)\right) \]
                      22. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \mathsf{/.f64}\left(\left(k \cdot t\right), \color{blue}{\left(\frac{\ell}{k}\right)}\right)\right) \]
                      23. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(k, t\right), \left(\frac{\color{blue}{\ell}}{k}\right)\right)\right) \]
                      24. /-lowering-/.f6481.2%

                        \[\leadsto \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \ell\right)\right), k\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(k, t\right), \mathsf{/.f64}\left(\ell, \color{blue}{k}\right)\right)\right) \]
                    11. Applied egg-rr81.2%

                      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\frac{k}{\ell}}}{k}}{\frac{k \cdot t}{\frac{\ell}{k}}}} \]

                    if 1.2999999999999999e-100 < k

                    1. Initial program 29.5%

                      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                    2. Step-by-step derivation
                      1. *-commutativeN/A

                        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                      2. associate-*r*N/A

                        \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                      3. associate-/r*N/A

                        \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                      4. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
                    3. Simplified65.1%

                      \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
                    4. Add Preprocessing
                    5. Step-by-step derivation
                      1. associate-/l/N/A

                        \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                      2. associate-/r/N/A

                        \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                      3. associate-/l*N/A

                        \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                      4. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                      5. *-inversesN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      6. associate-*l*N/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      7. *-commutativeN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      8. times-fracN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                      9. *-rgt-identityN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      10. *-inversesN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      11. *-rgt-identityN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                      12. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                      13. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      14. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      15. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      16. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
                    6. Applied egg-rr87.5%

                      \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
                    7. Taylor expanded in k around 0

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell}{{k}^{2}}\right)}\right) \]
                    8. Step-by-step derivation
                      1. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left({k}^{2}\right)}\right)\right) \]
                      2. unpow2N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \left(k \cdot \color{blue}{k}\right)\right)\right) \]
                      3. *-lowering-*.f6461.4%

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(k, \color{blue}{k}\right)\right)\right) \]
                    9. Simplified61.4%

                      \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{k \cdot k}} \]
                  3. Recombined 2 regimes into one program.
                  4. Add Preprocessing

                  Alternative 9: 74.7% accurate, 21.0× speedup?

                  \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 1.45 \cdot 10^{+19}:\\ \;\;\;\;\frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t} \cdot \frac{\ell}{k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\ \end{array} \end{array} \]
                  (FPCore (t l k)
                   :precision binary64
                   (if (<= k 1.45e+19)
                     (* (/ (/ (* 2.0 (/ l k)) k) t) (/ l (* k k)))
                     (* (/ (/ 2.0 (* k k)) (/ t l)) (* l 0.16666666666666666))))
                  double code(double t, double l, double k) {
                  	double tmp;
                  	if (k <= 1.45e+19) {
                  		tmp = (((2.0 * (l / k)) / k) / t) * (l / (k * k));
                  	} else {
                  		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                  	}
                  	return tmp;
                  }
                  
                  real(8) function code(t, l, k)
                      real(8), intent (in) :: t
                      real(8), intent (in) :: l
                      real(8), intent (in) :: k
                      real(8) :: tmp
                      if (k <= 1.45d+19) then
                          tmp = (((2.0d0 * (l / k)) / k) / t) * (l / (k * k))
                      else
                          tmp = ((2.0d0 / (k * k)) / (t / l)) * (l * 0.16666666666666666d0)
                      end if
                      code = tmp
                  end function
                  
                  public static double code(double t, double l, double k) {
                  	double tmp;
                  	if (k <= 1.45e+19) {
                  		tmp = (((2.0 * (l / k)) / k) / t) * (l / (k * k));
                  	} else {
                  		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                  	}
                  	return tmp;
                  }
                  
                  def code(t, l, k):
                  	tmp = 0
                  	if k <= 1.45e+19:
                  		tmp = (((2.0 * (l / k)) / k) / t) * (l / (k * k))
                  	else:
                  		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666)
                  	return tmp
                  
                  function code(t, l, k)
                  	tmp = 0.0
                  	if (k <= 1.45e+19)
                  		tmp = Float64(Float64(Float64(Float64(2.0 * Float64(l / k)) / k) / t) * Float64(l / Float64(k * k)));
                  	else
                  		tmp = Float64(Float64(Float64(2.0 / Float64(k * k)) / Float64(t / l)) * Float64(l * 0.16666666666666666));
                  	end
                  	return tmp
                  end
                  
                  function tmp_2 = code(t, l, k)
                  	tmp = 0.0;
                  	if (k <= 1.45e+19)
                  		tmp = (((2.0 * (l / k)) / k) / t) * (l / (k * k));
                  	else
                  		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                  	end
                  	tmp_2 = tmp;
                  end
                  
                  code[t_, l_, k_] := If[LessEqual[k, 1.45e+19], N[(N[(N[(N[(2.0 * N[(l / k), $MachinePrecision]), $MachinePrecision] / k), $MachinePrecision] / t), $MachinePrecision] * N[(l / N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(2.0 / N[(k * k), $MachinePrecision]), $MachinePrecision] / N[(t / l), $MachinePrecision]), $MachinePrecision] * N[(l * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]]
                  
                  \begin{array}{l}
                  
                  \\
                  \begin{array}{l}
                  \mathbf{if}\;k \leq 1.45 \cdot 10^{+19}:\\
                  \;\;\;\;\frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t} \cdot \frac{\ell}{k \cdot k}\\
                  
                  \mathbf{else}:\\
                  \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\
                  
                  
                  \end{array}
                  \end{array}
                  
                  Derivation
                  1. Split input into 2 regimes
                  2. if k < 1.45e19

                    1. Initial program 39.4%

                      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                    2. Step-by-step derivation
                      1. *-commutativeN/A

                        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                      2. associate-*r*N/A

                        \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                      3. associate-/r*N/A

                        \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                      4. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
                    3. Simplified67.9%

                      \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
                    4. Add Preprocessing
                    5. Step-by-step derivation
                      1. associate-/l/N/A

                        \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                      2. associate-/r/N/A

                        \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                      3. associate-/l*N/A

                        \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                      4. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                      5. *-inversesN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      6. associate-*l*N/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      7. *-commutativeN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      8. times-fracN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                      9. *-rgt-identityN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      10. *-inversesN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      11. *-rgt-identityN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                      12. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                      13. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      14. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      15. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      16. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
                    6. Applied egg-rr88.9%

                      \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
                    7. Taylor expanded in k around 0

                      \[\leadsto \mathsf{*.f64}\left(\color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot t}\right)}, \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                    8. Step-by-step derivation
                      1. associate-/r*N/A

                        \[\leadsto \mathsf{*.f64}\left(\left(2 \cdot \frac{\frac{\ell}{{k}^{2}}}{t}\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                      2. associate-*r/N/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{2 \cdot \frac{\ell}{{k}^{2}}}{t}\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                      3. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{{k}^{2}}\right), t\right), \mathsf{/.f64}\left(\color{blue}{\ell}, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                      4. unpow2N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{k \cdot k}\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                      5. associate-/r*N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\frac{\ell}{k}}{k}\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                      6. associate-*r/N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2 \cdot \frac{\ell}{k}}{k}\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                      7. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(2 \cdot \frac{\ell}{k}\right), k\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                      8. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \left(\frac{\ell}{k}\right)\right), k\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                      9. /-lowering-/.f6494.5%

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \mathsf{tan.f64}\left(k\right)\right)\right)\right) \]
                    9. Simplified94.5%

                      \[\leadsto \color{blue}{\frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t}} \cdot \frac{\ell}{\sin k \cdot \tan k} \]
                    10. Taylor expanded in k around 0

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \color{blue}{\left(\frac{\ell}{{k}^{2}}\right)}\right) \]
                    11. Step-by-step derivation
                      1. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left({k}^{2}\right)}\right)\right) \]
                      2. unpow2N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\ell, \left(k \cdot \color{blue}{k}\right)\right)\right) \]
                      3. *-lowering-*.f6481.0%

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(2, \mathsf{/.f64}\left(\ell, k\right)\right), k\right), t\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(k, \color{blue}{k}\right)\right)\right) \]
                    12. Simplified81.0%

                      \[\leadsto \frac{\frac{2 \cdot \frac{\ell}{k}}{k}}{t} \cdot \color{blue}{\frac{\ell}{k \cdot k}} \]

                    if 1.45e19 < k

                    1. Initial program 29.6%

                      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                    2. Step-by-step derivation
                      1. *-commutativeN/A

                        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                      2. associate-*r*N/A

                        \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                      3. associate-/r*N/A

                        \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                      4. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
                    3. Simplified60.7%

                      \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
                    4. Add Preprocessing
                    5. Step-by-step derivation
                      1. associate-/l/N/A

                        \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                      2. associate-/r/N/A

                        \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                      3. associate-/l*N/A

                        \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                      4. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                      5. *-inversesN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      6. associate-*l*N/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      7. *-commutativeN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      8. times-fracN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                      9. *-rgt-identityN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      10. *-inversesN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      11. *-rgt-identityN/A

                        \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                      12. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                      13. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      14. *-lowering-*.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      15. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                      16. /-lowering-/.f64N/A

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
                    6. Applied egg-rr83.0%

                      \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
                    7. Taylor expanded in k around 0

                      \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
                    8. Step-by-step derivation
                      1. Simplified54.8%

                        \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
                      2. Taylor expanded in k around 0

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
                      3. Step-by-step derivation
                        1. unpow2N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
                        2. associate-/r*N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
                        3. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
                        4. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
                        5. associate-*r*N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                        6. distribute-rgt1-inN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
                        7. +-commutativeN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                        8. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
                        9. +-lowering-+.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
                        10. *-commutativeN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                        11. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                        12. unpow2N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                        13. *-lowering-*.f6424.6%

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                      4. Simplified24.6%

                        \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
                      5. Taylor expanded in k around inf

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{1}{6} \cdot \ell\right)}\right) \]
                      6. Step-by-step derivation
                        1. *-commutativeN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\ell \cdot \color{blue}{\frac{1}{6}}\right)\right) \]
                        2. *-lowering-*.f6455.5%

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\frac{1}{6}}\right)\right) \]
                      7. Simplified55.5%

                        \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\left(\ell \cdot 0.16666666666666666\right)} \]
                    9. Recombined 2 regimes into one program.
                    10. Add Preprocessing

                    Alternative 10: 73.5% accurate, 21.0× speedup?

                    \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq 3.5 \cdot 10^{-147}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{2}{\frac{k}{\frac{\ell}{k \cdot \left(k \cdot t\right)}}}\\ \end{array} \end{array} \]
                    (FPCore (t l k)
                     :precision binary64
                     (if (<= t 3.5e-147)
                       (* (/ (/ 2.0 (* k k)) (/ t l)) (/ l (* k k)))
                       (* (/ l k) (/ 2.0 (/ k (/ l (* k (* k t))))))))
                    double code(double t, double l, double k) {
                    	double tmp;
                    	if (t <= 3.5e-147) {
                    		tmp = ((2.0 / (k * k)) / (t / l)) * (l / (k * k));
                    	} else {
                    		tmp = (l / k) * (2.0 / (k / (l / (k * (k * t)))));
                    	}
                    	return tmp;
                    }
                    
                    real(8) function code(t, l, k)
                        real(8), intent (in) :: t
                        real(8), intent (in) :: l
                        real(8), intent (in) :: k
                        real(8) :: tmp
                        if (t <= 3.5d-147) then
                            tmp = ((2.0d0 / (k * k)) / (t / l)) * (l / (k * k))
                        else
                            tmp = (l / k) * (2.0d0 / (k / (l / (k * (k * t)))))
                        end if
                        code = tmp
                    end function
                    
                    public static double code(double t, double l, double k) {
                    	double tmp;
                    	if (t <= 3.5e-147) {
                    		tmp = ((2.0 / (k * k)) / (t / l)) * (l / (k * k));
                    	} else {
                    		tmp = (l / k) * (2.0 / (k / (l / (k * (k * t)))));
                    	}
                    	return tmp;
                    }
                    
                    def code(t, l, k):
                    	tmp = 0
                    	if t <= 3.5e-147:
                    		tmp = ((2.0 / (k * k)) / (t / l)) * (l / (k * k))
                    	else:
                    		tmp = (l / k) * (2.0 / (k / (l / (k * (k * t)))))
                    	return tmp
                    
                    function code(t, l, k)
                    	tmp = 0.0
                    	if (t <= 3.5e-147)
                    		tmp = Float64(Float64(Float64(2.0 / Float64(k * k)) / Float64(t / l)) * Float64(l / Float64(k * k)));
                    	else
                    		tmp = Float64(Float64(l / k) * Float64(2.0 / Float64(k / Float64(l / Float64(k * Float64(k * t))))));
                    	end
                    	return tmp
                    end
                    
                    function tmp_2 = code(t, l, k)
                    	tmp = 0.0;
                    	if (t <= 3.5e-147)
                    		tmp = ((2.0 / (k * k)) / (t / l)) * (l / (k * k));
                    	else
                    		tmp = (l / k) * (2.0 / (k / (l / (k * (k * t)))));
                    	end
                    	tmp_2 = tmp;
                    end
                    
                    code[t_, l_, k_] := If[LessEqual[t, 3.5e-147], N[(N[(N[(2.0 / N[(k * k), $MachinePrecision]), $MachinePrecision] / N[(t / l), $MachinePrecision]), $MachinePrecision] * N[(l / N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l / k), $MachinePrecision] * N[(2.0 / N[(k / N[(l / N[(k * N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
                    
                    \begin{array}{l}
                    
                    \\
                    \begin{array}{l}
                    \mathbf{if}\;t \leq 3.5 \cdot 10^{-147}:\\
                    \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{k \cdot k}\\
                    
                    \mathbf{else}:\\
                    \;\;\;\;\frac{\ell}{k} \cdot \frac{2}{\frac{k}{\frac{\ell}{k \cdot \left(k \cdot t\right)}}}\\
                    
                    
                    \end{array}
                    \end{array}
                    
                    Derivation
                    1. Split input into 2 regimes
                    2. if t < 3.50000000000000004e-147

                      1. Initial program 35.9%

                        \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                      2. Step-by-step derivation
                        1. *-commutativeN/A

                          \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                        2. associate-*r*N/A

                          \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                        3. associate-/r*N/A

                          \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                        4. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
                      3. Simplified67.1%

                        \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
                      4. Add Preprocessing
                      5. Step-by-step derivation
                        1. associate-/l/N/A

                          \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                        2. associate-/r/N/A

                          \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                        3. associate-/l*N/A

                          \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                        4. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                        5. *-inversesN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        6. associate-*l*N/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        7. *-commutativeN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        8. times-fracN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                        9. *-rgt-identityN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        10. *-inversesN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        11. *-rgt-identityN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                        12. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                        13. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        14. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        15. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        16. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
                      6. Applied egg-rr89.4%

                        \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
                      7. Taylor expanded in k around 0

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell}{{k}^{2}}\right)}\right) \]
                      8. Step-by-step derivation
                        1. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left({k}^{2}\right)}\right)\right) \]
                        2. unpow2N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \left(k \cdot \color{blue}{k}\right)\right)\right) \]
                        3. *-lowering-*.f6473.2%

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(k, \color{blue}{k}\right)\right)\right) \]
                      9. Simplified73.2%

                        \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{k \cdot k}} \]

                      if 3.50000000000000004e-147 < t

                      1. Initial program 38.6%

                        \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                      2. Add Preprocessing
                      3. Taylor expanded in k around 0

                        \[\leadsto \mathsf{/.f64}\left(2, \color{blue}{\left(\frac{{k}^{4} \cdot t}{{\ell}^{2}}\right)}\right) \]
                      4. Step-by-step derivation
                        1. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left({k}^{4} \cdot t\right), \color{blue}{\left({\ell}^{2}\right)}\right)\right) \]
                        2. *-commutativeN/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left(t \cdot {k}^{4}\right), \left({\color{blue}{\ell}}^{2}\right)\right)\right) \]
                        3. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{4}\right)\right), \left({\color{blue}{\ell}}^{2}\right)\right)\right) \]
                        4. metadata-evalN/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{\left(2 \cdot 2\right)}\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        5. pow-sqrN/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{2} \cdot {k}^{2}\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        6. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\left({k}^{2}\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        7. unpow2N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\left(k \cdot k\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        8. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        9. unpow2N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \left(k \cdot k\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        10. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        11. unpow2N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \left(\ell \cdot \color{blue}{\ell}\right)\right)\right) \]
                        12. *-lowering-*.f6458.9%

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\ell}\right)\right)\right) \]
                      5. Simplified58.9%

                        \[\leadsto \frac{2}{\color{blue}{\frac{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)}{\ell \cdot \ell}}} \]
                      6. Step-by-step derivation
                        1. associate-/r/N/A

                          \[\leadsto \frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
                        2. associate-*r*N/A

                          \[\leadsto \left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \ell\right) \cdot \color{blue}{\ell} \]
                        3. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \ell\right), \color{blue}{\ell}\right) \]
                        4. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)}\right), \ell\right), \ell\right) \]
                        5. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)\right)\right), \ell\right), \ell\right) \]
                        6. *-commutativeN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                        7. associate-*r*N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(\left(\left(k \cdot k\right) \cdot k\right) \cdot k\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                        8. *-commutativeN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(k \cdot \left(\left(k \cdot k\right) \cdot k\right)\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                        9. associate-*l*N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot \left(\left(\left(k \cdot k\right) \cdot k\right) \cdot t\right)\right)\right), \ell\right), \ell\right) \]
                        10. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \left(\left(\left(k \cdot k\right) \cdot k\right) \cdot t\right)\right)\right), \ell\right), \ell\right) \]
                        11. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\left(\left(k \cdot k\right) \cdot k\right), t\right)\right)\right), \ell\right), \ell\right) \]
                        12. associate-*r*N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\left(k \cdot \left(k \cdot k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                        13. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, \left(k \cdot k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                        14. *-lowering-*.f6468.4%

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, \mathsf{*.f64}\left(k, k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                      7. Applied egg-rr68.4%

                        \[\leadsto \color{blue}{\left(\frac{2}{k \cdot \left(\left(k \cdot \left(k \cdot k\right)\right) \cdot t\right)} \cdot \ell\right) \cdot \ell} \]
                      8. Step-by-step derivation
                        1. associate-*l*N/A

                          \[\leadsto \frac{2}{k \cdot \left(\left(k \cdot \left(k \cdot k\right)\right) \cdot t\right)} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
                        2. associate-*l*N/A

                          \[\leadsto \frac{2}{k \cdot \left(k \cdot \left(\left(k \cdot k\right) \cdot t\right)\right)} \cdot \left(\ell \cdot \ell\right) \]
                        3. *-commutativeN/A

                          \[\leadsto \frac{2}{k \cdot \left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right)} \cdot \left(\ell \cdot \ell\right) \]
                        4. *-commutativeN/A

                          \[\leadsto \frac{2}{\left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right) \cdot k} \cdot \left(\ell \cdot \ell\right) \]
                        5. associate-/r/N/A

                          \[\leadsto \frac{2}{\color{blue}{\frac{\left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right) \cdot k}{\ell \cdot \ell}}} \]
                        6. times-fracN/A

                          \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell} \cdot \color{blue}{\frac{k}{\ell}}} \]
                        7. associate-/r*N/A

                          \[\leadsto \frac{\frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}}}{\color{blue}{\frac{k}{\ell}}} \]
                        8. div-invN/A

                          \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}} \cdot \color{blue}{\frac{1}{\frac{k}{\ell}}} \]
                        9. clear-numN/A

                          \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}} \cdot \frac{\ell}{\color{blue}{k}} \]
                        10. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}}\right), \color{blue}{\left(\frac{\ell}{k}\right)}\right) \]
                      9. Applied egg-rr68.1%

                        \[\leadsto \color{blue}{\frac{2}{\frac{k \cdot \left(k \cdot k\right)}{\frac{\ell}{t}}} \cdot \frac{\ell}{k}} \]
                      10. Step-by-step derivation
                        1. clear-numN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{1}{\frac{\frac{\ell}{t}}{k \cdot \left(k \cdot k\right)}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        2. associate-/l/N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{1}{\frac{\ell}{\left(k \cdot \left(k \cdot k\right)\right) \cdot t}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        3. associate-*r*N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{1}{\frac{\ell}{k \cdot \left(\left(k \cdot k\right) \cdot t\right)}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        4. associate-*r*N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{1}{\frac{\ell}{k \cdot \left(k \cdot \left(k \cdot t\right)\right)}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        5. associate-/l/N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{1}{\frac{\frac{\ell}{k \cdot \left(k \cdot t\right)}}{k}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        6. clear-numN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{k}{\frac{\ell}{k \cdot \left(k \cdot t\right)}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        7. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \left(\frac{\ell}{k \cdot \left(k \cdot t\right)}\right)\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        8. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \mathsf{/.f64}\left(\ell, \left(k \cdot \left(k \cdot t\right)\right)\right)\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        9. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(k, \left(k \cdot t\right)\right)\right)\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        10. *-lowering-*.f6473.7%

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(k, t\right)\right)\right)\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                      11. Applied egg-rr73.7%

                        \[\leadsto \frac{2}{\color{blue}{\frac{k}{\frac{\ell}{k \cdot \left(k \cdot t\right)}}}} \cdot \frac{\ell}{k} \]
                    3. Recombined 2 regimes into one program.
                    4. Final simplification73.4%

                      \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 3.5 \cdot 10^{-147}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{2}{\frac{k}{\frac{\ell}{k \cdot \left(k \cdot t\right)}}}\\ \end{array} \]
                    5. Add Preprocessing

                    Alternative 11: 75.6% accurate, 21.0× speedup?

                    \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 1.45 \cdot 10^{+19}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\frac{2}{k}}{\frac{k \cdot t}{\frac{\ell}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\ \end{array} \end{array} \]
                    (FPCore (t l k)
                     :precision binary64
                     (if (<= k 1.45e+19)
                       (* (/ l k) (/ (/ 2.0 k) (/ (* k t) (/ l k))))
                       (* (/ (/ 2.0 (* k k)) (/ t l)) (* l 0.16666666666666666))))
                    double code(double t, double l, double k) {
                    	double tmp;
                    	if (k <= 1.45e+19) {
                    		tmp = (l / k) * ((2.0 / k) / ((k * t) / (l / k)));
                    	} else {
                    		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                    	}
                    	return tmp;
                    }
                    
                    real(8) function code(t, l, k)
                        real(8), intent (in) :: t
                        real(8), intent (in) :: l
                        real(8), intent (in) :: k
                        real(8) :: tmp
                        if (k <= 1.45d+19) then
                            tmp = (l / k) * ((2.0d0 / k) / ((k * t) / (l / k)))
                        else
                            tmp = ((2.0d0 / (k * k)) / (t / l)) * (l * 0.16666666666666666d0)
                        end if
                        code = tmp
                    end function
                    
                    public static double code(double t, double l, double k) {
                    	double tmp;
                    	if (k <= 1.45e+19) {
                    		tmp = (l / k) * ((2.0 / k) / ((k * t) / (l / k)));
                    	} else {
                    		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                    	}
                    	return tmp;
                    }
                    
                    def code(t, l, k):
                    	tmp = 0
                    	if k <= 1.45e+19:
                    		tmp = (l / k) * ((2.0 / k) / ((k * t) / (l / k)))
                    	else:
                    		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666)
                    	return tmp
                    
                    function code(t, l, k)
                    	tmp = 0.0
                    	if (k <= 1.45e+19)
                    		tmp = Float64(Float64(l / k) * Float64(Float64(2.0 / k) / Float64(Float64(k * t) / Float64(l / k))));
                    	else
                    		tmp = Float64(Float64(Float64(2.0 / Float64(k * k)) / Float64(t / l)) * Float64(l * 0.16666666666666666));
                    	end
                    	return tmp
                    end
                    
                    function tmp_2 = code(t, l, k)
                    	tmp = 0.0;
                    	if (k <= 1.45e+19)
                    		tmp = (l / k) * ((2.0 / k) / ((k * t) / (l / k)));
                    	else
                    		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                    	end
                    	tmp_2 = tmp;
                    end
                    
                    code[t_, l_, k_] := If[LessEqual[k, 1.45e+19], N[(N[(l / k), $MachinePrecision] * N[(N[(2.0 / k), $MachinePrecision] / N[(N[(k * t), $MachinePrecision] / N[(l / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(2.0 / N[(k * k), $MachinePrecision]), $MachinePrecision] / N[(t / l), $MachinePrecision]), $MachinePrecision] * N[(l * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]]
                    
                    \begin{array}{l}
                    
                    \\
                    \begin{array}{l}
                    \mathbf{if}\;k \leq 1.45 \cdot 10^{+19}:\\
                    \;\;\;\;\frac{\ell}{k} \cdot \frac{\frac{2}{k}}{\frac{k \cdot t}{\frac{\ell}{k}}}\\
                    
                    \mathbf{else}:\\
                    \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\
                    
                    
                    \end{array}
                    \end{array}
                    
                    Derivation
                    1. Split input into 2 regimes
                    2. if k < 1.45e19

                      1. Initial program 39.4%

                        \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                      2. Add Preprocessing
                      3. Taylor expanded in k around 0

                        \[\leadsto \mathsf{/.f64}\left(2, \color{blue}{\left(\frac{{k}^{4} \cdot t}{{\ell}^{2}}\right)}\right) \]
                      4. Step-by-step derivation
                        1. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left({k}^{4} \cdot t\right), \color{blue}{\left({\ell}^{2}\right)}\right)\right) \]
                        2. *-commutativeN/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left(t \cdot {k}^{4}\right), \left({\color{blue}{\ell}}^{2}\right)\right)\right) \]
                        3. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{4}\right)\right), \left({\color{blue}{\ell}}^{2}\right)\right)\right) \]
                        4. metadata-evalN/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{\left(2 \cdot 2\right)}\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        5. pow-sqrN/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{2} \cdot {k}^{2}\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        6. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\left({k}^{2}\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        7. unpow2N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\left(k \cdot k\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        8. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        9. unpow2N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \left(k \cdot k\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        10. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                        11. unpow2N/A

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \left(\ell \cdot \color{blue}{\ell}\right)\right)\right) \]
                        12. *-lowering-*.f6463.4%

                          \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\ell}\right)\right)\right) \]
                      5. Simplified63.4%

                        \[\leadsto \frac{2}{\color{blue}{\frac{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)}{\ell \cdot \ell}}} \]
                      6. Step-by-step derivation
                        1. associate-/r/N/A

                          \[\leadsto \frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
                        2. associate-*r*N/A

                          \[\leadsto \left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \ell\right) \cdot \color{blue}{\ell} \]
                        3. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \ell\right), \color{blue}{\ell}\right) \]
                        4. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)}\right), \ell\right), \ell\right) \]
                        5. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)\right)\right), \ell\right), \ell\right) \]
                        6. *-commutativeN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                        7. associate-*r*N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(\left(\left(k \cdot k\right) \cdot k\right) \cdot k\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                        8. *-commutativeN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(k \cdot \left(\left(k \cdot k\right) \cdot k\right)\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                        9. associate-*l*N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot \left(\left(\left(k \cdot k\right) \cdot k\right) \cdot t\right)\right)\right), \ell\right), \ell\right) \]
                        10. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \left(\left(\left(k \cdot k\right) \cdot k\right) \cdot t\right)\right)\right), \ell\right), \ell\right) \]
                        11. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\left(\left(k \cdot k\right) \cdot k\right), t\right)\right)\right), \ell\right), \ell\right) \]
                        12. associate-*r*N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\left(k \cdot \left(k \cdot k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                        13. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, \left(k \cdot k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                        14. *-lowering-*.f6472.1%

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, \mathsf{*.f64}\left(k, k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                      7. Applied egg-rr72.1%

                        \[\leadsto \color{blue}{\left(\frac{2}{k \cdot \left(\left(k \cdot \left(k \cdot k\right)\right) \cdot t\right)} \cdot \ell\right) \cdot \ell} \]
                      8. Step-by-step derivation
                        1. associate-*l*N/A

                          \[\leadsto \frac{2}{k \cdot \left(\left(k \cdot \left(k \cdot k\right)\right) \cdot t\right)} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
                        2. associate-*l*N/A

                          \[\leadsto \frac{2}{k \cdot \left(k \cdot \left(\left(k \cdot k\right) \cdot t\right)\right)} \cdot \left(\ell \cdot \ell\right) \]
                        3. *-commutativeN/A

                          \[\leadsto \frac{2}{k \cdot \left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right)} \cdot \left(\ell \cdot \ell\right) \]
                        4. *-commutativeN/A

                          \[\leadsto \frac{2}{\left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right) \cdot k} \cdot \left(\ell \cdot \ell\right) \]
                        5. associate-/r/N/A

                          \[\leadsto \frac{2}{\color{blue}{\frac{\left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right) \cdot k}{\ell \cdot \ell}}} \]
                        6. times-fracN/A

                          \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell} \cdot \color{blue}{\frac{k}{\ell}}} \]
                        7. associate-/r*N/A

                          \[\leadsto \frac{\frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}}}{\color{blue}{\frac{k}{\ell}}} \]
                        8. div-invN/A

                          \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}} \cdot \color{blue}{\frac{1}{\frac{k}{\ell}}} \]
                        9. clear-numN/A

                          \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}} \cdot \frac{\ell}{\color{blue}{k}} \]
                        10. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}}\right), \color{blue}{\left(\frac{\ell}{k}\right)}\right) \]
                      9. Applied egg-rr75.3%

                        \[\leadsto \color{blue}{\frac{2}{\frac{k \cdot \left(k \cdot k\right)}{\frac{\ell}{t}}} \cdot \frac{\ell}{k}} \]
                      10. Step-by-step derivation
                        1. associate-/l*N/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{k \cdot \frac{k \cdot k}{\frac{\ell}{t}}}\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        2. associate-/r*N/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k}}{\frac{k \cdot k}{\frac{\ell}{t}}}\right), \mathsf{/.f64}\left(\color{blue}{\ell}, k\right)\right) \]
                        3. *-lft-identityN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k}}{\frac{1 \cdot \left(k \cdot k\right)}{\frac{\ell}{t}}}\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        4. associate-*l/N/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k}}{\frac{1}{\frac{\ell}{t}} \cdot \left(k \cdot k\right)}\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        5. clear-numN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k}}{\frac{t}{\ell} \cdot \left(k \cdot k\right)}\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        6. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k}\right), \left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right)\right), \mathsf{/.f64}\left(\color{blue}{\ell}, k\right)\right) \]
                        7. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \left(\frac{t}{\ell} \cdot \left(k \cdot k\right)\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        8. associate-*l/N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \left(\frac{t \cdot \left(k \cdot k\right)}{\ell}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        9. *-commutativeN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \left(\frac{\left(k \cdot k\right) \cdot t}{\ell}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        10. associate-*r*N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \left(\frac{k \cdot \left(k \cdot t\right)}{\ell}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        11. *-commutativeN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \left(\frac{\left(k \cdot t\right) \cdot k}{\ell}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        12. associate-/l*N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \left(\left(k \cdot t\right) \cdot \frac{k}{\ell}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        13. clear-numN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \left(\left(k \cdot t\right) \cdot \frac{1}{\frac{\ell}{k}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        14. un-div-invN/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \left(\frac{k \cdot t}{\frac{\ell}{k}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        15. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \mathsf{/.f64}\left(\left(k \cdot t\right), \left(\frac{\ell}{k}\right)\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        16. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(k, t\right), \left(\frac{\ell}{k}\right)\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        17. /-lowering-/.f6480.1%

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, k\right), \mathsf{/.f64}\left(\mathsf{*.f64}\left(k, t\right), \mathsf{/.f64}\left(\ell, k\right)\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                      11. Applied egg-rr80.1%

                        \[\leadsto \color{blue}{\frac{\frac{2}{k}}{\frac{k \cdot t}{\frac{\ell}{k}}}} \cdot \frac{\ell}{k} \]

                      if 1.45e19 < k

                      1. Initial program 29.6%

                        \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                      2. Step-by-step derivation
                        1. *-commutativeN/A

                          \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                        2. associate-*r*N/A

                          \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                        3. associate-/r*N/A

                          \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                        4. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
                      3. Simplified60.7%

                        \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
                      4. Add Preprocessing
                      5. Step-by-step derivation
                        1. associate-/l/N/A

                          \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                        2. associate-/r/N/A

                          \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                        3. associate-/l*N/A

                          \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                        4. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                        5. *-inversesN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        6. associate-*l*N/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        7. *-commutativeN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        8. times-fracN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                        9. *-rgt-identityN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        10. *-inversesN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        11. *-rgt-identityN/A

                          \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                        12. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                        13. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        14. *-lowering-*.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        15. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                        16. /-lowering-/.f64N/A

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
                      6. Applied egg-rr83.0%

                        \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
                      7. Taylor expanded in k around 0

                        \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
                      8. Step-by-step derivation
                        1. Simplified54.8%

                          \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
                        2. Taylor expanded in k around 0

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
                        3. Step-by-step derivation
                          1. unpow2N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
                          2. associate-/r*N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
                          3. /-lowering-/.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
                          4. /-lowering-/.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
                          5. associate-*r*N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                          6. distribute-rgt1-inN/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
                          7. +-commutativeN/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                          8. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
                          9. +-lowering-+.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
                          10. *-commutativeN/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                          11. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                          12. unpow2N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                          13. *-lowering-*.f6424.6%

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                        4. Simplified24.6%

                          \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
                        5. Taylor expanded in k around inf

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{1}{6} \cdot \ell\right)}\right) \]
                        6. Step-by-step derivation
                          1. *-commutativeN/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\ell \cdot \color{blue}{\frac{1}{6}}\right)\right) \]
                          2. *-lowering-*.f6455.5%

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\frac{1}{6}}\right)\right) \]
                        7. Simplified55.5%

                          \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\left(\ell \cdot 0.16666666666666666\right)} \]
                      9. Recombined 2 regimes into one program.
                      10. Final simplification73.6%

                        \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.45 \cdot 10^{+19}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\frac{2}{k}}{\frac{k \cdot t}{\frac{\ell}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\ \end{array} \]
                      11. Add Preprocessing

                      Alternative 12: 74.9% accurate, 21.0× speedup?

                      \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 1.45 \cdot 10^{+19}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{2}{\frac{k}{\frac{\ell}{k \cdot \left(k \cdot t\right)}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\ \end{array} \end{array} \]
                      (FPCore (t l k)
                       :precision binary64
                       (if (<= k 1.45e+19)
                         (* (/ l k) (/ 2.0 (/ k (/ l (* k (* k t))))))
                         (* (/ (/ 2.0 (* k k)) (/ t l)) (* l 0.16666666666666666))))
                      double code(double t, double l, double k) {
                      	double tmp;
                      	if (k <= 1.45e+19) {
                      		tmp = (l / k) * (2.0 / (k / (l / (k * (k * t)))));
                      	} else {
                      		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                      	}
                      	return tmp;
                      }
                      
                      real(8) function code(t, l, k)
                          real(8), intent (in) :: t
                          real(8), intent (in) :: l
                          real(8), intent (in) :: k
                          real(8) :: tmp
                          if (k <= 1.45d+19) then
                              tmp = (l / k) * (2.0d0 / (k / (l / (k * (k * t)))))
                          else
                              tmp = ((2.0d0 / (k * k)) / (t / l)) * (l * 0.16666666666666666d0)
                          end if
                          code = tmp
                      end function
                      
                      public static double code(double t, double l, double k) {
                      	double tmp;
                      	if (k <= 1.45e+19) {
                      		tmp = (l / k) * (2.0 / (k / (l / (k * (k * t)))));
                      	} else {
                      		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                      	}
                      	return tmp;
                      }
                      
                      def code(t, l, k):
                      	tmp = 0
                      	if k <= 1.45e+19:
                      		tmp = (l / k) * (2.0 / (k / (l / (k * (k * t)))))
                      	else:
                      		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666)
                      	return tmp
                      
                      function code(t, l, k)
                      	tmp = 0.0
                      	if (k <= 1.45e+19)
                      		tmp = Float64(Float64(l / k) * Float64(2.0 / Float64(k / Float64(l / Float64(k * Float64(k * t))))));
                      	else
                      		tmp = Float64(Float64(Float64(2.0 / Float64(k * k)) / Float64(t / l)) * Float64(l * 0.16666666666666666));
                      	end
                      	return tmp
                      end
                      
                      function tmp_2 = code(t, l, k)
                      	tmp = 0.0;
                      	if (k <= 1.45e+19)
                      		tmp = (l / k) * (2.0 / (k / (l / (k * (k * t)))));
                      	else
                      		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                      	end
                      	tmp_2 = tmp;
                      end
                      
                      code[t_, l_, k_] := If[LessEqual[k, 1.45e+19], N[(N[(l / k), $MachinePrecision] * N[(2.0 / N[(k / N[(l / N[(k * N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(2.0 / N[(k * k), $MachinePrecision]), $MachinePrecision] / N[(t / l), $MachinePrecision]), $MachinePrecision] * N[(l * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]]
                      
                      \begin{array}{l}
                      
                      \\
                      \begin{array}{l}
                      \mathbf{if}\;k \leq 1.45 \cdot 10^{+19}:\\
                      \;\;\;\;\frac{\ell}{k} \cdot \frac{2}{\frac{k}{\frac{\ell}{k \cdot \left(k \cdot t\right)}}}\\
                      
                      \mathbf{else}:\\
                      \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\
                      
                      
                      \end{array}
                      \end{array}
                      
                      Derivation
                      1. Split input into 2 regimes
                      2. if k < 1.45e19

                        1. Initial program 39.4%

                          \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                        2. Add Preprocessing
                        3. Taylor expanded in k around 0

                          \[\leadsto \mathsf{/.f64}\left(2, \color{blue}{\left(\frac{{k}^{4} \cdot t}{{\ell}^{2}}\right)}\right) \]
                        4. Step-by-step derivation
                          1. /-lowering-/.f64N/A

                            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left({k}^{4} \cdot t\right), \color{blue}{\left({\ell}^{2}\right)}\right)\right) \]
                          2. *-commutativeN/A

                            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left(t \cdot {k}^{4}\right), \left({\color{blue}{\ell}}^{2}\right)\right)\right) \]
                          3. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{4}\right)\right), \left({\color{blue}{\ell}}^{2}\right)\right)\right) \]
                          4. metadata-evalN/A

                            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{\left(2 \cdot 2\right)}\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                          5. pow-sqrN/A

                            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{2} \cdot {k}^{2}\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                          6. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\left({k}^{2}\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                          7. unpow2N/A

                            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\left(k \cdot k\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                          8. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                          9. unpow2N/A

                            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \left(k \cdot k\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                          10. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                          11. unpow2N/A

                            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \left(\ell \cdot \color{blue}{\ell}\right)\right)\right) \]
                          12. *-lowering-*.f6463.4%

                            \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\ell}\right)\right)\right) \]
                        5. Simplified63.4%

                          \[\leadsto \frac{2}{\color{blue}{\frac{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)}{\ell \cdot \ell}}} \]
                        6. Step-by-step derivation
                          1. associate-/r/N/A

                            \[\leadsto \frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
                          2. associate-*r*N/A

                            \[\leadsto \left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \ell\right) \cdot \color{blue}{\ell} \]
                          3. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \ell\right), \color{blue}{\ell}\right) \]
                          4. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)}\right), \ell\right), \ell\right) \]
                          5. /-lowering-/.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)\right)\right), \ell\right), \ell\right) \]
                          6. *-commutativeN/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                          7. associate-*r*N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(\left(\left(k \cdot k\right) \cdot k\right) \cdot k\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                          8. *-commutativeN/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(k \cdot \left(\left(k \cdot k\right) \cdot k\right)\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                          9. associate-*l*N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot \left(\left(\left(k \cdot k\right) \cdot k\right) \cdot t\right)\right)\right), \ell\right), \ell\right) \]
                          10. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \left(\left(\left(k \cdot k\right) \cdot k\right) \cdot t\right)\right)\right), \ell\right), \ell\right) \]
                          11. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\left(\left(k \cdot k\right) \cdot k\right), t\right)\right)\right), \ell\right), \ell\right) \]
                          12. associate-*r*N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\left(k \cdot \left(k \cdot k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                          13. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, \left(k \cdot k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                          14. *-lowering-*.f6472.1%

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, \mathsf{*.f64}\left(k, k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                        7. Applied egg-rr72.1%

                          \[\leadsto \color{blue}{\left(\frac{2}{k \cdot \left(\left(k \cdot \left(k \cdot k\right)\right) \cdot t\right)} \cdot \ell\right) \cdot \ell} \]
                        8. Step-by-step derivation
                          1. associate-*l*N/A

                            \[\leadsto \frac{2}{k \cdot \left(\left(k \cdot \left(k \cdot k\right)\right) \cdot t\right)} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
                          2. associate-*l*N/A

                            \[\leadsto \frac{2}{k \cdot \left(k \cdot \left(\left(k \cdot k\right) \cdot t\right)\right)} \cdot \left(\ell \cdot \ell\right) \]
                          3. *-commutativeN/A

                            \[\leadsto \frac{2}{k \cdot \left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right)} \cdot \left(\ell \cdot \ell\right) \]
                          4. *-commutativeN/A

                            \[\leadsto \frac{2}{\left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right) \cdot k} \cdot \left(\ell \cdot \ell\right) \]
                          5. associate-/r/N/A

                            \[\leadsto \frac{2}{\color{blue}{\frac{\left(\left(\left(k \cdot k\right) \cdot t\right) \cdot k\right) \cdot k}{\ell \cdot \ell}}} \]
                          6. times-fracN/A

                            \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell} \cdot \color{blue}{\frac{k}{\ell}}} \]
                          7. associate-/r*N/A

                            \[\leadsto \frac{\frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}}}{\color{blue}{\frac{k}{\ell}}} \]
                          8. div-invN/A

                            \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}} \cdot \color{blue}{\frac{1}{\frac{k}{\ell}}} \]
                          9. clear-numN/A

                            \[\leadsto \frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}} \cdot \frac{\ell}{\color{blue}{k}} \]
                          10. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{\frac{\left(\left(k \cdot k\right) \cdot t\right) \cdot k}{\ell}}\right), \color{blue}{\left(\frac{\ell}{k}\right)}\right) \]
                        9. Applied egg-rr75.3%

                          \[\leadsto \color{blue}{\frac{2}{\frac{k \cdot \left(k \cdot k\right)}{\frac{\ell}{t}}} \cdot \frac{\ell}{k}} \]
                        10. Step-by-step derivation
                          1. clear-numN/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{1}{\frac{\frac{\ell}{t}}{k \cdot \left(k \cdot k\right)}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                          2. associate-/l/N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{1}{\frac{\ell}{\left(k \cdot \left(k \cdot k\right)\right) \cdot t}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                          3. associate-*r*N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{1}{\frac{\ell}{k \cdot \left(\left(k \cdot k\right) \cdot t\right)}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                          4. associate-*r*N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{1}{\frac{\ell}{k \cdot \left(k \cdot \left(k \cdot t\right)\right)}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                          5. associate-/l/N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{1}{\frac{\frac{\ell}{k \cdot \left(k \cdot t\right)}}{k}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                          6. clear-numN/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\frac{k}{\frac{\ell}{k \cdot \left(k \cdot t\right)}}\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                          7. /-lowering-/.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \left(\frac{\ell}{k \cdot \left(k \cdot t\right)}\right)\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                          8. /-lowering-/.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \mathsf{/.f64}\left(\ell, \left(k \cdot \left(k \cdot t\right)\right)\right)\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                          9. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(k, \left(k \cdot t\right)\right)\right)\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                          10. *-lowering-*.f6480.1%

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{/.f64}\left(k, \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(k, t\right)\right)\right)\right)\right), \mathsf{/.f64}\left(\ell, k\right)\right) \]
                        11. Applied egg-rr80.1%

                          \[\leadsto \frac{2}{\color{blue}{\frac{k}{\frac{\ell}{k \cdot \left(k \cdot t\right)}}}} \cdot \frac{\ell}{k} \]

                        if 1.45e19 < k

                        1. Initial program 29.6%

                          \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                        2. Step-by-step derivation
                          1. *-commutativeN/A

                            \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                          2. associate-*r*N/A

                            \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                          3. associate-/r*N/A

                            \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                          4. /-lowering-/.f64N/A

                            \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
                        3. Simplified60.7%

                          \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
                        4. Add Preprocessing
                        5. Step-by-step derivation
                          1. associate-/l/N/A

                            \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                          2. associate-/r/N/A

                            \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                          3. associate-/l*N/A

                            \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                          4. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                          5. *-inversesN/A

                            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                          6. associate-*l*N/A

                            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                          7. *-commutativeN/A

                            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                          8. times-fracN/A

                            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                          9. *-rgt-identityN/A

                            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                          10. *-inversesN/A

                            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                          11. *-rgt-identityN/A

                            \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                          12. /-lowering-/.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                          13. /-lowering-/.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                          14. *-lowering-*.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                          15. /-lowering-/.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                          16. /-lowering-/.f64N/A

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
                        6. Applied egg-rr83.0%

                          \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
                        7. Taylor expanded in k around 0

                          \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
                        8. Step-by-step derivation
                          1. Simplified54.8%

                            \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
                          2. Taylor expanded in k around 0

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
                          3. Step-by-step derivation
                            1. unpow2N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
                            2. associate-/r*N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
                            3. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
                            4. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
                            5. associate-*r*N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                            6. distribute-rgt1-inN/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
                            7. +-commutativeN/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                            8. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
                            9. +-lowering-+.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
                            10. *-commutativeN/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                            11. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                            12. unpow2N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                            13. *-lowering-*.f6424.6%

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                          4. Simplified24.6%

                            \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
                          5. Taylor expanded in k around inf

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{1}{6} \cdot \ell\right)}\right) \]
                          6. Step-by-step derivation
                            1. *-commutativeN/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\ell \cdot \color{blue}{\frac{1}{6}}\right)\right) \]
                            2. *-lowering-*.f6455.5%

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\frac{1}{6}}\right)\right) \]
                          7. Simplified55.5%

                            \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\left(\ell \cdot 0.16666666666666666\right)} \]
                        9. Recombined 2 regimes into one program.
                        10. Final simplification73.6%

                          \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.45 \cdot 10^{+19}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{2}{\frac{k}{\frac{\ell}{k \cdot \left(k \cdot t\right)}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\ \end{array} \]
                        11. Add Preprocessing

                        Alternative 13: 70.2% accurate, 21.0× speedup?

                        \[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 1.45 \cdot 10^{+19}:\\ \;\;\;\;\ell \cdot \left(\ell \cdot \frac{2}{k \cdot \left(t \cdot \left(k \cdot \left(k \cdot k\right)\right)\right)}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\ \end{array} \end{array} \]
                        (FPCore (t l k)
                         :precision binary64
                         (if (<= k 1.45e+19)
                           (* l (* l (/ 2.0 (* k (* t (* k (* k k)))))))
                           (* (/ (/ 2.0 (* k k)) (/ t l)) (* l 0.16666666666666666))))
                        double code(double t, double l, double k) {
                        	double tmp;
                        	if (k <= 1.45e+19) {
                        		tmp = l * (l * (2.0 / (k * (t * (k * (k * k))))));
                        	} else {
                        		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                        	}
                        	return tmp;
                        }
                        
                        real(8) function code(t, l, k)
                            real(8), intent (in) :: t
                            real(8), intent (in) :: l
                            real(8), intent (in) :: k
                            real(8) :: tmp
                            if (k <= 1.45d+19) then
                                tmp = l * (l * (2.0d0 / (k * (t * (k * (k * k))))))
                            else
                                tmp = ((2.0d0 / (k * k)) / (t / l)) * (l * 0.16666666666666666d0)
                            end if
                            code = tmp
                        end function
                        
                        public static double code(double t, double l, double k) {
                        	double tmp;
                        	if (k <= 1.45e+19) {
                        		tmp = l * (l * (2.0 / (k * (t * (k * (k * k))))));
                        	} else {
                        		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                        	}
                        	return tmp;
                        }
                        
                        def code(t, l, k):
                        	tmp = 0
                        	if k <= 1.45e+19:
                        		tmp = l * (l * (2.0 / (k * (t * (k * (k * k))))))
                        	else:
                        		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666)
                        	return tmp
                        
                        function code(t, l, k)
                        	tmp = 0.0
                        	if (k <= 1.45e+19)
                        		tmp = Float64(l * Float64(l * Float64(2.0 / Float64(k * Float64(t * Float64(k * Float64(k * k)))))));
                        	else
                        		tmp = Float64(Float64(Float64(2.0 / Float64(k * k)) / Float64(t / l)) * Float64(l * 0.16666666666666666));
                        	end
                        	return tmp
                        end
                        
                        function tmp_2 = code(t, l, k)
                        	tmp = 0.0;
                        	if (k <= 1.45e+19)
                        		tmp = l * (l * (2.0 / (k * (t * (k * (k * k))))));
                        	else
                        		tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                        	end
                        	tmp_2 = tmp;
                        end
                        
                        code[t_, l_, k_] := If[LessEqual[k, 1.45e+19], N[(l * N[(l * N[(2.0 / N[(k * N[(t * N[(k * N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(2.0 / N[(k * k), $MachinePrecision]), $MachinePrecision] / N[(t / l), $MachinePrecision]), $MachinePrecision] * N[(l * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]]
                        
                        \begin{array}{l}
                        
                        \\
                        \begin{array}{l}
                        \mathbf{if}\;k \leq 1.45 \cdot 10^{+19}:\\
                        \;\;\;\;\ell \cdot \left(\ell \cdot \frac{2}{k \cdot \left(t \cdot \left(k \cdot \left(k \cdot k\right)\right)\right)}\right)\\
                        
                        \mathbf{else}:\\
                        \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\
                        
                        
                        \end{array}
                        \end{array}
                        
                        Derivation
                        1. Split input into 2 regimes
                        2. if k < 1.45e19

                          1. Initial program 39.4%

                            \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                          2. Add Preprocessing
                          3. Taylor expanded in k around 0

                            \[\leadsto \mathsf{/.f64}\left(2, \color{blue}{\left(\frac{{k}^{4} \cdot t}{{\ell}^{2}}\right)}\right) \]
                          4. Step-by-step derivation
                            1. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left({k}^{4} \cdot t\right), \color{blue}{\left({\ell}^{2}\right)}\right)\right) \]
                            2. *-commutativeN/A

                              \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\left(t \cdot {k}^{4}\right), \left({\color{blue}{\ell}}^{2}\right)\right)\right) \]
                            3. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{4}\right)\right), \left({\color{blue}{\ell}}^{2}\right)\right)\right) \]
                            4. metadata-evalN/A

                              \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{\left(2 \cdot 2\right)}\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                            5. pow-sqrN/A

                              \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \left({k}^{2} \cdot {k}^{2}\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                            6. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\left({k}^{2}\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                            7. unpow2N/A

                              \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\left(k \cdot k\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                            8. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \left({k}^{2}\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                            9. unpow2N/A

                              \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \left(k \cdot k\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                            10. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \left({\ell}^{2}\right)\right)\right) \]
                            11. unpow2N/A

                              \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \left(\ell \cdot \color{blue}{\ell}\right)\right)\right) \]
                            12. *-lowering-*.f6463.4%

                              \[\leadsto \mathsf{/.f64}\left(2, \mathsf{/.f64}\left(\mathsf{*.f64}\left(t, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \mathsf{*.f64}\left(k, k\right)\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\ell}\right)\right)\right) \]
                          5. Simplified63.4%

                            \[\leadsto \frac{2}{\color{blue}{\frac{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)}{\ell \cdot \ell}}} \]
                          6. Step-by-step derivation
                            1. associate-/r/N/A

                              \[\leadsto \frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \color{blue}{\left(\ell \cdot \ell\right)} \]
                            2. associate-*r*N/A

                              \[\leadsto \left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \ell\right) \cdot \color{blue}{\ell} \]
                            3. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \cdot \ell\right), \color{blue}{\ell}\right) \]
                            4. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\left(\frac{2}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)}\right), \ell\right), \ell\right) \]
                            5. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)\right)\right), \ell\right), \ell\right) \]
                            6. *-commutativeN/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                            7. associate-*r*N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(\left(\left(k \cdot k\right) \cdot k\right) \cdot k\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                            8. *-commutativeN/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(\left(k \cdot \left(\left(k \cdot k\right) \cdot k\right)\right) \cdot t\right)\right), \ell\right), \ell\right) \]
                            9. associate-*l*N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot \left(\left(\left(k \cdot k\right) \cdot k\right) \cdot t\right)\right)\right), \ell\right), \ell\right) \]
                            10. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \left(\left(\left(k \cdot k\right) \cdot k\right) \cdot t\right)\right)\right), \ell\right), \ell\right) \]
                            11. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\left(\left(k \cdot k\right) \cdot k\right), t\right)\right)\right), \ell\right), \ell\right) \]
                            12. associate-*r*N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\left(k \cdot \left(k \cdot k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                            13. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, \left(k \cdot k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                            14. *-lowering-*.f6472.1%

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{*.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, \mathsf{*.f64}\left(k, k\right)\right), t\right)\right)\right), \ell\right), \ell\right) \]
                          7. Applied egg-rr72.1%

                            \[\leadsto \color{blue}{\left(\frac{2}{k \cdot \left(\left(k \cdot \left(k \cdot k\right)\right) \cdot t\right)} \cdot \ell\right) \cdot \ell} \]

                          if 1.45e19 < k

                          1. Initial program 29.6%

                            \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                          2. Step-by-step derivation
                            1. *-commutativeN/A

                              \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                            2. associate-*r*N/A

                              \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                            3. associate-/r*N/A

                              \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                            4. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
                          3. Simplified60.7%

                            \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
                          4. Add Preprocessing
                          5. Step-by-step derivation
                            1. associate-/l/N/A

                              \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                            2. associate-/r/N/A

                              \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                            3. associate-/l*N/A

                              \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                            4. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                            5. *-inversesN/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            6. associate-*l*N/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            7. *-commutativeN/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            8. times-fracN/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                            9. *-rgt-identityN/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            10. *-inversesN/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            11. *-rgt-identityN/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                            12. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                            13. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            14. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            15. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            16. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
                          6. Applied egg-rr83.0%

                            \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
                          7. Taylor expanded in k around 0

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
                          8. Step-by-step derivation
                            1. Simplified54.8%

                              \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
                            2. Taylor expanded in k around 0

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
                            3. Step-by-step derivation
                              1. unpow2N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
                              2. associate-/r*N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
                              3. /-lowering-/.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
                              4. /-lowering-/.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
                              5. associate-*r*N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                              6. distribute-rgt1-inN/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
                              7. +-commutativeN/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                              8. *-lowering-*.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
                              9. +-lowering-+.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
                              10. *-commutativeN/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                              11. *-lowering-*.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                              12. unpow2N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                              13. *-lowering-*.f6424.6%

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                            4. Simplified24.6%

                              \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
                            5. Taylor expanded in k around inf

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{1}{6} \cdot \ell\right)}\right) \]
                            6. Step-by-step derivation
                              1. *-commutativeN/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\ell \cdot \color{blue}{\frac{1}{6}}\right)\right) \]
                              2. *-lowering-*.f6455.5%

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\frac{1}{6}}\right)\right) \]
                            7. Simplified55.5%

                              \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\left(\ell \cdot 0.16666666666666666\right)} \]
                          9. Recombined 2 regimes into one program.
                          10. Final simplification67.7%

                            \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.45 \cdot 10^{+19}:\\ \;\;\;\;\ell \cdot \left(\ell \cdot \frac{2}{k \cdot \left(t \cdot \left(k \cdot \left(k \cdot k\right)\right)\right)}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)\\ \end{array} \]
                          11. Add Preprocessing

                          Alternative 14: 61.5% accurate, 32.4× speedup?

                          \[\begin{array}{l} \\ \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right) \end{array} \]
                          (FPCore (t l k)
                           :precision binary64
                           (* (/ (/ 2.0 (* k k)) (/ t l)) (* l 0.16666666666666666)))
                          double code(double t, double l, double k) {
                          	return ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                          }
                          
                          real(8) function code(t, l, k)
                              real(8), intent (in) :: t
                              real(8), intent (in) :: l
                              real(8), intent (in) :: k
                              code = ((2.0d0 / (k * k)) / (t / l)) * (l * 0.16666666666666666d0)
                          end function
                          
                          public static double code(double t, double l, double k) {
                          	return ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                          }
                          
                          def code(t, l, k):
                          	return ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666)
                          
                          function code(t, l, k)
                          	return Float64(Float64(Float64(2.0 / Float64(k * k)) / Float64(t / l)) * Float64(l * 0.16666666666666666))
                          end
                          
                          function tmp = code(t, l, k)
                          	tmp = ((2.0 / (k * k)) / (t / l)) * (l * 0.16666666666666666);
                          end
                          
                          code[t_, l_, k_] := N[(N[(N[(2.0 / N[(k * k), $MachinePrecision]), $MachinePrecision] / N[(t / l), $MachinePrecision]), $MachinePrecision] * N[(l * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]
                          
                          \begin{array}{l}
                          
                          \\
                          \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \left(\ell \cdot 0.16666666666666666\right)
                          \end{array}
                          
                          Derivation
                          1. Initial program 36.8%

                            \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                          2. Step-by-step derivation
                            1. *-commutativeN/A

                              \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                            2. associate-*r*N/A

                              \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                            3. associate-/r*N/A

                              \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                            4. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
                          3. Simplified66.0%

                            \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
                          4. Add Preprocessing
                          5. Step-by-step derivation
                            1. associate-/l/N/A

                              \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                            2. associate-/r/N/A

                              \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                            3. associate-/l*N/A

                              \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                            4. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                            5. *-inversesN/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            6. associate-*l*N/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            7. *-commutativeN/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            8. times-fracN/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                            9. *-rgt-identityN/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            10. *-inversesN/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            11. *-rgt-identityN/A

                              \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                            12. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                            13. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            14. *-lowering-*.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            15. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                            16. /-lowering-/.f64N/A

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
                          6. Applied egg-rr87.3%

                            \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
                          7. Taylor expanded in k around 0

                            \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
                          8. Step-by-step derivation
                            1. Simplified71.2%

                              \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
                            2. Taylor expanded in k around 0

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
                            3. Step-by-step derivation
                              1. unpow2N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
                              2. associate-/r*N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
                              3. /-lowering-/.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
                              4. /-lowering-/.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
                              5. associate-*r*N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                              6. distribute-rgt1-inN/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
                              7. +-commutativeN/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                              8. *-lowering-*.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
                              9. +-lowering-+.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
                              10. *-commutativeN/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                              11. *-lowering-*.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                              12. unpow2N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                              13. *-lowering-*.f6457.8%

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                            4. Simplified57.8%

                              \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
                            5. Taylor expanded in k around inf

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{1}{6} \cdot \ell\right)}\right) \]
                            6. Step-by-step derivation
                              1. *-commutativeN/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\ell \cdot \color{blue}{\frac{1}{6}}\right)\right) \]
                              2. *-lowering-*.f6461.7%

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{*.f64}\left(\ell, \color{blue}{\frac{1}{6}}\right)\right) \]
                            7. Simplified61.7%

                              \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\left(\ell \cdot 0.16666666666666666\right)} \]
                            8. Add Preprocessing

                            Alternative 15: 56.8% accurate, 38.3× speedup?

                            \[\begin{array}{l} \\ 0.3333333333333333 \cdot \frac{\frac{\frac{\ell \cdot \ell}{k}}{k}}{t} \end{array} \]
                            (FPCore (t l k)
                             :precision binary64
                             (* 0.3333333333333333 (/ (/ (/ (* l l) k) k) t)))
                            double code(double t, double l, double k) {
                            	return 0.3333333333333333 * ((((l * l) / k) / k) / t);
                            }
                            
                            real(8) function code(t, l, k)
                                real(8), intent (in) :: t
                                real(8), intent (in) :: l
                                real(8), intent (in) :: k
                                code = 0.3333333333333333d0 * ((((l * l) / k) / k) / t)
                            end function
                            
                            public static double code(double t, double l, double k) {
                            	return 0.3333333333333333 * ((((l * l) / k) / k) / t);
                            }
                            
                            def code(t, l, k):
                            	return 0.3333333333333333 * ((((l * l) / k) / k) / t)
                            
                            function code(t, l, k)
                            	return Float64(0.3333333333333333 * Float64(Float64(Float64(Float64(l * l) / k) / k) / t))
                            end
                            
                            function tmp = code(t, l, k)
                            	tmp = 0.3333333333333333 * ((((l * l) / k) / k) / t);
                            end
                            
                            code[t_, l_, k_] := N[(0.3333333333333333 * N[(N[(N[(N[(l * l), $MachinePrecision] / k), $MachinePrecision] / k), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]
                            
                            \begin{array}{l}
                            
                            \\
                            0.3333333333333333 \cdot \frac{\frac{\frac{\ell \cdot \ell}{k}}{k}}{t}
                            \end{array}
                            
                            Derivation
                            1. Initial program 36.8%

                              \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
                            2. Step-by-step derivation
                              1. *-commutativeN/A

                                \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \color{blue}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
                              2. associate-*r*N/A

                                \[\leadsto \frac{2}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)\right) \cdot \color{blue}{\tan k}} \]
                              3. associate-/r*N/A

                                \[\leadsto \frac{\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}}{\color{blue}{\tan k}} \]
                              4. /-lowering-/.f64N/A

                                \[\leadsto \mathsf{/.f64}\left(\left(\frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)}\right), \color{blue}{\tan k}\right) \]
                            3. Simplified66.0%

                              \[\leadsto \color{blue}{\frac{\frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\sin k}}{\tan k}} \]
                            4. Add Preprocessing
                            5. Step-by-step derivation
                              1. associate-/l/N/A

                                \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{\frac{t \cdot \frac{t}{\ell}}{\ell}}}{\color{blue}{\tan k \cdot \sin k}} \]
                              2. associate-/r/N/A

                                \[\leadsto \frac{\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \ell}{\color{blue}{\tan k} \cdot \sin k} \]
                              3. associate-/l*N/A

                                \[\leadsto \frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}} \cdot \color{blue}{\frac{\ell}{\tan k \cdot \sin k}} \]
                              4. *-lowering-*.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot \frac{t}{t}}{t \cdot \frac{t}{\ell}}\right), \color{blue}{\left(\frac{\ell}{\tan k \cdot \sin k}\right)}\right) \]
                              5. *-inversesN/A

                                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\left(\frac{2}{k \cdot k} \cdot t\right) \cdot 1}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                              6. associate-*l*N/A

                                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{t \cdot \frac{t}{\ell}}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                              7. *-commutativeN/A

                                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k} \cdot \left(t \cdot 1\right)}{\frac{t}{\ell} \cdot t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                              8. times-fracN/A

                                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t \cdot 1}{t}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                              9. *-rgt-identityN/A

                                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{t}{t}\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                              10. *-inversesN/A

                                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot 1\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                              11. *-rgt-identityN/A

                                \[\leadsto \mathsf{*.f64}\left(\left(\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}}\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                              12. /-lowering-/.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\left(\frac{2}{k \cdot k}\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\color{blue}{\ell}}{\tan k \cdot \sin k}\right)\right) \]
                              13. /-lowering-/.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \left(k \cdot k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                              14. *-lowering-*.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \left(\frac{t}{\ell}\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                              15. /-lowering-/.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell}{\tan k \cdot \sin k}\right)\right) \]
                              16. /-lowering-/.f64N/A

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \color{blue}{\left(\tan k \cdot \sin k\right)}\right)\right) \]
                            6. Applied egg-rr87.3%

                              \[\leadsto \color{blue}{\frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \tan k}} \]
                            7. Taylor expanded in k around 0

                              \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\ell, \mathsf{*.f64}\left(\mathsf{sin.f64}\left(k\right), \color{blue}{k}\right)\right)\right) \]
                            8. Step-by-step derivation
                              1. Simplified71.2%

                                \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \frac{\ell}{\sin k \cdot \color{blue}{k}} \]
                              2. Taylor expanded in k around 0

                                \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \color{blue}{\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{{k}^{2}}\right)}\right) \]
                              3. Step-by-step derivation
                                1. unpow2N/A

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k \cdot \color{blue}{k}}\right)\right) \]
                                2. associate-/r*N/A

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \left(\frac{\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}}{\color{blue}{k}}\right)\right) \]
                                3. /-lowering-/.f64N/A

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\left(\frac{\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)}{k}\right), \color{blue}{k}\right)\right) \]
                                4. /-lowering-/.f64N/A

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \frac{1}{6} \cdot \left({k}^{2} \cdot \ell\right)\right), k\right), k\right)\right) \]
                                5. associate-*r*N/A

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell + \left(\frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                                6. distribute-rgt1-inN/A

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(\frac{1}{6} \cdot {k}^{2} + 1\right) \cdot \ell\right), k\right), k\right)\right) \]
                                7. +-commutativeN/A

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right) \cdot \ell\right), k\right), k\right)\right) \]
                                8. *-lowering-*.f64N/A

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\left(1 + \frac{1}{6} \cdot {k}^{2}\right), \ell\right), k\right), k\right)\right) \]
                                9. +-lowering-+.f64N/A

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left(\frac{1}{6} \cdot {k}^{2}\right)\right), \ell\right), k\right), k\right)\right) \]
                                10. *-commutativeN/A

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \left({k}^{2} \cdot \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                                11. *-lowering-*.f64N/A

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left({k}^{2}\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                                12. unpow2N/A

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\left(k \cdot k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                                13. *-lowering-*.f6457.8%

                                  \[\leadsto \mathsf{*.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(2, \mathsf{*.f64}\left(k, k\right)\right), \mathsf{/.f64}\left(t, \ell\right)\right), \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\mathsf{+.f64}\left(1, \mathsf{*.f64}\left(\mathsf{*.f64}\left(k, k\right), \frac{1}{6}\right)\right), \ell\right), k\right), k\right)\right) \]
                              4. Simplified57.8%

                                \[\leadsto \frac{\frac{2}{k \cdot k}}{\frac{t}{\ell}} \cdot \color{blue}{\frac{\frac{\left(1 + \left(k \cdot k\right) \cdot 0.16666666666666666\right) \cdot \ell}{k}}{k}} \]
                              5. Taylor expanded in k around inf

                                \[\leadsto \color{blue}{\frac{1}{3} \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot t}} \]
                              6. Step-by-step derivation
                                1. *-lowering-*.f64N/A

                                  \[\leadsto \mathsf{*.f64}\left(\frac{1}{3}, \color{blue}{\left(\frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)}\right) \]
                                2. associate-/r*N/A

                                  \[\leadsto \mathsf{*.f64}\left(\frac{1}{3}, \left(\frac{\frac{{\ell}^{2}}{{k}^{2}}}{\color{blue}{t}}\right)\right) \]
                                3. /-lowering-/.f64N/A

                                  \[\leadsto \mathsf{*.f64}\left(\frac{1}{3}, \mathsf{/.f64}\left(\left(\frac{{\ell}^{2}}{{k}^{2}}\right), \color{blue}{t}\right)\right) \]
                                4. unpow2N/A

                                  \[\leadsto \mathsf{*.f64}\left(\frac{1}{3}, \mathsf{/.f64}\left(\left(\frac{{\ell}^{2}}{k \cdot k}\right), t\right)\right) \]
                                5. associate-/r*N/A

                                  \[\leadsto \mathsf{*.f64}\left(\frac{1}{3}, \mathsf{/.f64}\left(\left(\frac{\frac{{\ell}^{2}}{k}}{k}\right), t\right)\right) \]
                                6. /-lowering-/.f64N/A

                                  \[\leadsto \mathsf{*.f64}\left(\frac{1}{3}, \mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\frac{{\ell}^{2}}{k}\right), k\right), t\right)\right) \]
                                7. /-lowering-/.f64N/A

                                  \[\leadsto \mathsf{*.f64}\left(\frac{1}{3}, \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\left({\ell}^{2}\right), k\right), k\right), t\right)\right) \]
                                8. unpow2N/A

                                  \[\leadsto \mathsf{*.f64}\left(\frac{1}{3}, \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\left(\ell \cdot \ell\right), k\right), k\right), t\right)\right) \]
                                9. *-lowering-*.f6457.3%

                                  \[\leadsto \mathsf{*.f64}\left(\frac{1}{3}, \mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{/.f64}\left(\mathsf{*.f64}\left(\ell, \ell\right), k\right), k\right), t\right)\right) \]
                              7. Simplified57.3%

                                \[\leadsto \color{blue}{0.3333333333333333 \cdot \frac{\frac{\frac{\ell \cdot \ell}{k}}{k}}{t}} \]
                              8. Add Preprocessing

                              Reproduce

                              ?
                              herbie shell --seed 2024191 
                              (FPCore (t l k)
                                :name "Toniolo and Linder, Equation (10-)"
                                :precision binary64
                                (/ 2.0 (* (* (* (/ (pow t 3.0) (* l l)) (sin k)) (tan k)) (- (+ 1.0 (pow (/ k t) 2.0)) 1.0))))