Toniolo and Linder, Equation (10-)

Percentage Accurate: 34.5% → 95.0%
Time: 16.8s
Alternatives: 16
Speedup: 9.6×

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 16 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: 34.5% 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: 95.0% accurate, 1.8× speedup?

\[\begin{array}{l} \\ \frac{\frac{\ell}{\tan k}}{\left(k \cdot \frac{\sin k}{\ell}\right) \cdot \left(\left(k \cdot t\right) \cdot 0.5\right)} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (/ (/ l (tan k)) (* (* k (/ (sin k) l)) (* (* k t) 0.5))))
double code(double t, double l, double k) {
	return (l / tan(k)) / ((k * (sin(k) / l)) * ((k * t) * 0.5));
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = (l / tan(k)) / ((k * (sin(k) / l)) * ((k * t) * 0.5d0))
end function
public static double code(double t, double l, double k) {
	return (l / Math.tan(k)) / ((k * (Math.sin(k) / l)) * ((k * t) * 0.5));
}
def code(t, l, k):
	return (l / math.tan(k)) / ((k * (math.sin(k) / l)) * ((k * t) * 0.5))
function code(t, l, k)
	return Float64(Float64(l / tan(k)) / Float64(Float64(k * Float64(sin(k) / l)) * Float64(Float64(k * t) * 0.5)))
end
function tmp = code(t, l, k)
	tmp = (l / tan(k)) / ((k * (sin(k) / l)) * ((k * t) * 0.5));
end
code[t_, l_, k_] := N[(N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision] / N[(N[(k * N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] * N[(N[(k * t), $MachinePrecision] * 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\frac{\ell}{\tan k}}{\left(k \cdot \frac{\sin k}{\ell}\right) \cdot \left(\left(k \cdot t\right) \cdot 0.5\right)}
\end{array}
Derivation
  1. Initial program 40.2%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Add Preprocessing
  3. Applied egg-rr30.2%

    \[\leadsto \frac{2}{\color{blue}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \frac{\sin k}{\ell \cdot \ell}}} \]
  4. Applied egg-rr87.6%

    \[\leadsto \color{blue}{\frac{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\frac{\sin k}{\ell}}}{\frac{\tan k}{\ell}}} \]
  5. Step-by-step derivation
    1. lift-*.f64N/A

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\frac{\sin k}{\ell}}{\frac{2}{t \cdot \left(k \cdot k\right)}}}} \]
  6. Applied egg-rr92.5%

    \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)}} \]
  7. Step-by-step derivation
    1. lift-sin.f64N/A

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

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

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

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

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

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

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

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

      \[\leadsto \frac{\frac{\ell}{\tan k}}{\color{blue}{\left(\frac{\sin k}{\ell} \cdot k\right)} \cdot \left(\left(t \cdot k\right) \cdot \frac{1}{2}\right)} \]
    10. lower-*.f6496.9

      \[\leadsto \frac{\frac{\ell}{\tan k}}{\left(\frac{\sin k}{\ell} \cdot k\right) \cdot \color{blue}{\left(\left(t \cdot k\right) \cdot 0.5\right)}} \]
    11. lift-*.f64N/A

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

      \[\leadsto \frac{\frac{\ell}{\tan k}}{\left(\frac{\sin k}{\ell} \cdot k\right) \cdot \left(\color{blue}{\left(k \cdot t\right)} \cdot \frac{1}{2}\right)} \]
    13. lower-*.f6496.9

      \[\leadsto \frac{\frac{\ell}{\tan k}}{\left(\frac{\sin k}{\ell} \cdot k\right) \cdot \left(\color{blue}{\left(k \cdot t\right)} \cdot 0.5\right)} \]
  8. Applied egg-rr96.9%

    \[\leadsto \frac{\frac{\ell}{\tan k}}{\color{blue}{\left(\frac{\sin k}{\ell} \cdot k\right) \cdot \left(\left(k \cdot t\right) \cdot 0.5\right)}} \]
  9. Final simplification96.9%

    \[\leadsto \frac{\frac{\ell}{\tan k}}{\left(k \cdot \frac{\sin k}{\ell}\right) \cdot \left(\left(k \cdot t\right) \cdot 0.5\right)} \]
  10. Add Preprocessing

Alternative 2: 86.6% accurate, 1.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := k \cdot \left(k \cdot t\right)\\ \mathbf{if}\;\ell \cdot \ell \leq 5 \cdot 10^{-167}:\\ \;\;\;\;\frac{\frac{\ell}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot t\_1\right)}\\ \mathbf{elif}\;\ell \cdot \ell \leq 8 \cdot 10^{+279}:\\ \;\;\;\;\frac{2}{\sin k \cdot t\_1} \cdot \left(\ell \cdot \frac{\ell}{\tan k}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{\tan k \cdot \left(\sin k \cdot \frac{0.5 \cdot \left(t \cdot \left(k \cdot k\right)\right)}{\ell}\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (* k (* k t))))
   (if (<= (* l l) 5e-167)
     (/ (/ l k) (* (/ (sin k) l) (* 0.5 t_1)))
     (if (<= (* l l) 8e+279)
       (* (/ 2.0 (* (sin k) t_1)) (* l (/ l (tan k))))
       (/ l (* (tan k) (* (sin k) (/ (* 0.5 (* t (* k k))) l))))))))
double code(double t, double l, double k) {
	double t_1 = k * (k * t);
	double tmp;
	if ((l * l) <= 5e-167) {
		tmp = (l / k) / ((sin(k) / l) * (0.5 * t_1));
	} else if ((l * l) <= 8e+279) {
		tmp = (2.0 / (sin(k) * t_1)) * (l * (l / tan(k)));
	} else {
		tmp = l / (tan(k) * (sin(k) * ((0.5 * (t * (k * k))) / l)));
	}
	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 = k * (k * t)
    if ((l * l) <= 5d-167) then
        tmp = (l / k) / ((sin(k) / l) * (0.5d0 * t_1))
    else if ((l * l) <= 8d+279) then
        tmp = (2.0d0 / (sin(k) * t_1)) * (l * (l / tan(k)))
    else
        tmp = l / (tan(k) * (sin(k) * ((0.5d0 * (t * (k * k))) / l)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = k * (k * t);
	double tmp;
	if ((l * l) <= 5e-167) {
		tmp = (l / k) / ((Math.sin(k) / l) * (0.5 * t_1));
	} else if ((l * l) <= 8e+279) {
		tmp = (2.0 / (Math.sin(k) * t_1)) * (l * (l / Math.tan(k)));
	} else {
		tmp = l / (Math.tan(k) * (Math.sin(k) * ((0.5 * (t * (k * k))) / l)));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = k * (k * t)
	tmp = 0
	if (l * l) <= 5e-167:
		tmp = (l / k) / ((math.sin(k) / l) * (0.5 * t_1))
	elif (l * l) <= 8e+279:
		tmp = (2.0 / (math.sin(k) * t_1)) * (l * (l / math.tan(k)))
	else:
		tmp = l / (math.tan(k) * (math.sin(k) * ((0.5 * (t * (k * k))) / l)))
	return tmp
function code(t, l, k)
	t_1 = Float64(k * Float64(k * t))
	tmp = 0.0
	if (Float64(l * l) <= 5e-167)
		tmp = Float64(Float64(l / k) / Float64(Float64(sin(k) / l) * Float64(0.5 * t_1)));
	elseif (Float64(l * l) <= 8e+279)
		tmp = Float64(Float64(2.0 / Float64(sin(k) * t_1)) * Float64(l * Float64(l / tan(k))));
	else
		tmp = Float64(l / Float64(tan(k) * Float64(sin(k) * Float64(Float64(0.5 * Float64(t * Float64(k * k))) / l))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = k * (k * t);
	tmp = 0.0;
	if ((l * l) <= 5e-167)
		tmp = (l / k) / ((sin(k) / l) * (0.5 * t_1));
	elseif ((l * l) <= 8e+279)
		tmp = (2.0 / (sin(k) * t_1)) * (l * (l / tan(k)));
	else
		tmp = l / (tan(k) * (sin(k) * ((0.5 * (t * (k * k))) / l)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(k * N[(k * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(l * l), $MachinePrecision], 5e-167], N[(N[(l / k), $MachinePrecision] / N[(N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision] * N[(0.5 * t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[N[(l * l), $MachinePrecision], 8e+279], N[(N[(2.0 / N[(N[Sin[k], $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision] * N[(l * N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(l / N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[(0.5 * N[(t * N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := k \cdot \left(k \cdot t\right)\\
\mathbf{if}\;\ell \cdot \ell \leq 5 \cdot 10^{-167}:\\
\;\;\;\;\frac{\frac{\ell}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot t\_1\right)}\\

\mathbf{elif}\;\ell \cdot \ell \leq 8 \cdot 10^{+279}:\\
\;\;\;\;\frac{2}{\sin k \cdot t\_1} \cdot \left(\ell \cdot \frac{\ell}{\tan k}\right)\\

\mathbf{else}:\\
\;\;\;\;\frac{\ell}{\tan k \cdot \left(\sin k \cdot \frac{0.5 \cdot \left(t \cdot \left(k \cdot k\right)\right)}{\ell}\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (*.f64 l l) < 5.0000000000000002e-167

    1. Initial program 25.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Add Preprocessing
    3. Applied egg-rr26.8%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \frac{\sin k}{\ell \cdot \ell}}} \]
    4. Applied egg-rr90.2%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\frac{\sin k}{\ell}}}{\frac{\tan k}{\ell}}} \]
    5. Step-by-step derivation
      1. lift-*.f64N/A

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\frac{\sin k}{\ell}}{\frac{2}{t \cdot \left(k \cdot k\right)}}}} \]
    6. Applied egg-rr95.2%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)}} \]
    7. Taylor expanded in k around 0

      \[\leadsto \frac{\color{blue}{\frac{\ell}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot \frac{1}{2}\right)} \]
    8. Step-by-step derivation
      1. lower-/.f6494.3

        \[\leadsto \frac{\color{blue}{\frac{\ell}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)} \]
    9. Simplified94.3%

      \[\leadsto \frac{\color{blue}{\frac{\ell}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)} \]

    if 5.0000000000000002e-167 < (*.f64 l l) < 8.00000000000000046e279

    1. Initial program 54.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Add Preprocessing
    3. Applied egg-rr36.8%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \frac{\sin k}{\ell \cdot \ell}}} \]
    4. Applied egg-rr91.4%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\frac{\sin k}{\ell}}}{\frac{\tan k}{\ell}}} \]
    5. Step-by-step derivation
      1. lift-*.f64N/A

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\sin k} \cdot \frac{\ell}{\frac{\tan k}{\ell}}} \]
    6. Applied egg-rr96.7%

      \[\leadsto \color{blue}{\frac{2}{\sin k \cdot \left(k \cdot \left(t \cdot k\right)\right)} \cdot \left(\ell \cdot \frac{\ell}{\tan k}\right)} \]

    if 8.00000000000000046e279 < (*.f64 l l)

    1. Initial program 40.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Add Preprocessing
    3. Applied egg-rr26.1%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \frac{\sin k}{\ell \cdot \ell}}} \]
    4. Applied egg-rr79.0%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\frac{\sin k}{\ell}}}{\frac{\tan k}{\ell}}} \]
    5. Step-by-step derivation
      1. lift-*.f64N/A

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\frac{\sin k}{\ell}}{\frac{2}{t \cdot \left(k \cdot k\right)}}}} \]
    6. Applied egg-rr83.2%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)}} \]
    7. Step-by-step derivation
      1. lift-tan.f64N/A

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

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

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

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

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

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

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

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

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

        \[\leadsto \frac{\ell}{\color{blue}{\tan k \cdot \left(\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot \frac{1}{2}\right)\right)}} \]
      11. lower-*.f6483.3

        \[\leadsto \frac{\ell}{\color{blue}{\tan k \cdot \left(\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)\right)}} \]
      12. lift-*.f64N/A

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

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

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

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

        \[\leadsto \frac{\ell}{\tan k \cdot \color{blue}{\left(\sin k \cdot \frac{\left(k \cdot \left(t \cdot k\right)\right) \cdot \frac{1}{2}}{\ell}\right)}} \]
      17. lower-/.f6483.3

        \[\leadsto \frac{\ell}{\tan k \cdot \left(\sin k \cdot \color{blue}{\frac{\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5}{\ell}}\right)} \]
    8. Applied egg-rr79.1%

      \[\leadsto \color{blue}{\frac{\ell}{\tan k \cdot \left(\sin k \cdot \frac{0.5 \cdot \left(t \cdot \left(k \cdot k\right)\right)}{\ell}\right)}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification91.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\ell \cdot \ell \leq 5 \cdot 10^{-167}:\\ \;\;\;\;\frac{\frac{\ell}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}\\ \mathbf{elif}\;\ell \cdot \ell \leq 8 \cdot 10^{+279}:\\ \;\;\;\;\frac{2}{\sin k \cdot \left(k \cdot \left(k \cdot t\right)\right)} \cdot \left(\ell \cdot \frac{\ell}{\tan k}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{\tan k \cdot \left(\sin k \cdot \frac{0.5 \cdot \left(t \cdot \left(k \cdot k\right)\right)}{\ell}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 80.5% accurate, 1.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := k \cdot \left(k \cdot t\right)\\ \mathbf{if}\;k \leq 4.5 \cdot 10^{-6}:\\ \;\;\;\;\frac{\frac{\ell}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot t\_1\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\sin k \cdot t\_1} \cdot \left(\ell \cdot \frac{\ell}{\tan k}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (* k (* k t))))
   (if (<= k 4.5e-6)
     (/ (/ l k) (* (/ (sin k) l) (* 0.5 t_1)))
     (* (/ 2.0 (* (sin k) t_1)) (* l (/ l (tan k)))))))
double code(double t, double l, double k) {
	double t_1 = k * (k * t);
	double tmp;
	if (k <= 4.5e-6) {
		tmp = (l / k) / ((sin(k) / l) * (0.5 * t_1));
	} else {
		tmp = (2.0 / (sin(k) * t_1)) * (l * (l / 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) :: t_1
    real(8) :: tmp
    t_1 = k * (k * t)
    if (k <= 4.5d-6) then
        tmp = (l / k) / ((sin(k) / l) * (0.5d0 * t_1))
    else
        tmp = (2.0d0 / (sin(k) * t_1)) * (l * (l / tan(k)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = k * (k * t);
	double tmp;
	if (k <= 4.5e-6) {
		tmp = (l / k) / ((Math.sin(k) / l) * (0.5 * t_1));
	} else {
		tmp = (2.0 / (Math.sin(k) * t_1)) * (l * (l / Math.tan(k)));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = k * (k * t)
	tmp = 0
	if k <= 4.5e-6:
		tmp = (l / k) / ((math.sin(k) / l) * (0.5 * t_1))
	else:
		tmp = (2.0 / (math.sin(k) * t_1)) * (l * (l / math.tan(k)))
	return tmp
function code(t, l, k)
	t_1 = Float64(k * Float64(k * t))
	tmp = 0.0
	if (k <= 4.5e-6)
		tmp = Float64(Float64(l / k) / Float64(Float64(sin(k) / l) * Float64(0.5 * t_1)));
	else
		tmp = Float64(Float64(2.0 / Float64(sin(k) * t_1)) * Float64(l * Float64(l / tan(k))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = k * (k * t);
	tmp = 0.0;
	if (k <= 4.5e-6)
		tmp = (l / k) / ((sin(k) / l) * (0.5 * t_1));
	else
		tmp = (2.0 / (sin(k) * t_1)) * (l * (l / tan(k)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(k * N[(k * t), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[k, 4.5e-6], N[(N[(l / k), $MachinePrecision] / N[(N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision] * N[(0.5 * t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(2.0 / N[(N[Sin[k], $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision] * N[(l * N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := k \cdot \left(k \cdot t\right)\\
\mathbf{if}\;k \leq 4.5 \cdot 10^{-6}:\\
\;\;\;\;\frac{\frac{\ell}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot t\_1\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\sin k \cdot t\_1} \cdot \left(\ell \cdot \frac{\ell}{\tan k}\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 4.50000000000000011e-6

    1. Initial program 40.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Add Preprocessing
    3. Applied egg-rr30.0%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \frac{\sin k}{\ell \cdot \ell}}} \]
    4. Applied egg-rr88.7%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\frac{\sin k}{\ell}}}{\frac{\tan k}{\ell}}} \]
    5. Step-by-step derivation
      1. lift-*.f64N/A

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\frac{\sin k}{\ell}}{\frac{2}{t \cdot \left(k \cdot k\right)}}}} \]
    6. Applied egg-rr94.3%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)}} \]
    7. Taylor expanded in k around 0

      \[\leadsto \frac{\color{blue}{\frac{\ell}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot \frac{1}{2}\right)} \]
    8. Step-by-step derivation
      1. lower-/.f6483.0

        \[\leadsto \frac{\color{blue}{\frac{\ell}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)} \]
    9. Simplified83.0%

      \[\leadsto \frac{\color{blue}{\frac{\ell}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)} \]

    if 4.50000000000000011e-6 < k

    1. Initial program 39.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Add Preprocessing
    3. Applied egg-rr31.2%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \frac{\sin k}{\ell \cdot \ell}}} \]
    4. Applied egg-rr83.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\frac{\sin k}{\ell}}}{\frac{\tan k}{\ell}}} \]
    5. Step-by-step derivation
      1. lift-*.f64N/A

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\sin k} \cdot \frac{\ell}{\frac{\tan k}{\ell}}} \]
    6. Applied egg-rr77.1%

      \[\leadsto \color{blue}{\frac{2}{\sin k \cdot \left(k \cdot \left(t \cdot k\right)\right)} \cdot \left(\ell \cdot \frac{\ell}{\tan k}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification81.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 4.5 \cdot 10^{-6}:\\ \;\;\;\;\frac{\frac{\ell}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\sin k \cdot \left(k \cdot \left(k \cdot t\right)\right)} \cdot \left(\ell \cdot \frac{\ell}{\tan k}\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 95.0% accurate, 1.8× speedup?

\[\begin{array}{l} \\ \frac{\frac{\ell}{\tan k}}{k \cdot \left(\frac{\sin k}{\ell} \cdot \left(\left(k \cdot t\right) \cdot 0.5\right)\right)} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (/ (/ l (tan k)) (* k (* (/ (sin k) l) (* (* k t) 0.5)))))
double code(double t, double l, double k) {
	return (l / tan(k)) / (k * ((sin(k) / l) * ((k * t) * 0.5)));
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = (l / tan(k)) / (k * ((sin(k) / l) * ((k * t) * 0.5d0)))
end function
public static double code(double t, double l, double k) {
	return (l / Math.tan(k)) / (k * ((Math.sin(k) / l) * ((k * t) * 0.5)));
}
def code(t, l, k):
	return (l / math.tan(k)) / (k * ((math.sin(k) / l) * ((k * t) * 0.5)))
function code(t, l, k)
	return Float64(Float64(l / tan(k)) / Float64(k * Float64(Float64(sin(k) / l) * Float64(Float64(k * t) * 0.5))))
end
function tmp = code(t, l, k)
	tmp = (l / tan(k)) / (k * ((sin(k) / l) * ((k * t) * 0.5)));
end
code[t_, l_, k_] := N[(N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision] / N[(k * N[(N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision] * N[(N[(k * t), $MachinePrecision] * 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\frac{\ell}{\tan k}}{k \cdot \left(\frac{\sin k}{\ell} \cdot \left(\left(k \cdot t\right) \cdot 0.5\right)\right)}
\end{array}
Derivation
  1. Initial program 40.2%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Add Preprocessing
  3. Applied egg-rr30.2%

    \[\leadsto \frac{2}{\color{blue}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \frac{\sin k}{\ell \cdot \ell}}} \]
  4. Applied egg-rr87.6%

    \[\leadsto \color{blue}{\frac{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\frac{\sin k}{\ell}}}{\frac{\tan k}{\ell}}} \]
  5. Step-by-step derivation
    1. lift-*.f64N/A

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\frac{\sin k}{\ell}}{\frac{2}{t \cdot \left(k \cdot k\right)}}}} \]
  6. Applied egg-rr92.5%

    \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)}} \]
  7. Step-by-step derivation
    1. lift-sin.f64N/A

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

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

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

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

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

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

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

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

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

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

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

      \[\leadsto \frac{\frac{\ell}{\tan k}}{k \cdot \color{blue}{\left(\left(\left(t \cdot k\right) \cdot \frac{1}{2}\right) \cdot \frac{\sin k}{\ell}\right)}} \]
    13. lower-*.f6496.8

      \[\leadsto \frac{\frac{\ell}{\tan k}}{k \cdot \left(\color{blue}{\left(\left(t \cdot k\right) \cdot 0.5\right)} \cdot \frac{\sin k}{\ell}\right)} \]
    14. lift-*.f64N/A

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

      \[\leadsto \frac{\frac{\ell}{\tan k}}{k \cdot \left(\left(\color{blue}{\left(k \cdot t\right)} \cdot \frac{1}{2}\right) \cdot \frac{\sin k}{\ell}\right)} \]
    16. lower-*.f6496.8

      \[\leadsto \frac{\frac{\ell}{\tan k}}{k \cdot \left(\left(\color{blue}{\left(k \cdot t\right)} \cdot 0.5\right) \cdot \frac{\sin k}{\ell}\right)} \]
  8. Applied egg-rr96.8%

    \[\leadsto \frac{\frac{\ell}{\tan k}}{\color{blue}{k \cdot \left(\left(\left(k \cdot t\right) \cdot 0.5\right) \cdot \frac{\sin k}{\ell}\right)}} \]
  9. Final simplification96.8%

    \[\leadsto \frac{\frac{\ell}{\tan k}}{k \cdot \left(\frac{\sin k}{\ell} \cdot \left(\left(k \cdot t\right) \cdot 0.5\right)\right)} \]
  10. Add Preprocessing

Alternative 5: 79.4% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 2.5 \cdot 10^{-6}:\\ \;\;\;\;\frac{\frac{\ell}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{\sin k \cdot \left(\tan k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 2.5e-6)
   (/ (/ l k) (* (/ (sin k) l) (* 0.5 (* k (* k t)))))
   (* (* l l) (/ 2.0 (* (sin k) (* (tan k) (* t (* k k))))))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 2.5e-6) {
		tmp = (l / k) / ((sin(k) / l) * (0.5 * (k * (k * t))));
	} else {
		tmp = (l * l) * (2.0 / (sin(k) * (tan(k) * (t * (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 <= 2.5d-6) then
        tmp = (l / k) / ((sin(k) / l) * (0.5d0 * (k * (k * t))))
    else
        tmp = (l * l) * (2.0d0 / (sin(k) * (tan(k) * (t * (k * k)))))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 2.5e-6) {
		tmp = (l / k) / ((Math.sin(k) / l) * (0.5 * (k * (k * t))));
	} else {
		tmp = (l * l) * (2.0 / (Math.sin(k) * (Math.tan(k) * (t * (k * k)))));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 2.5e-6:
		tmp = (l / k) / ((math.sin(k) / l) * (0.5 * (k * (k * t))))
	else:
		tmp = (l * l) * (2.0 / (math.sin(k) * (math.tan(k) * (t * (k * k)))))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 2.5e-6)
		tmp = Float64(Float64(l / k) / Float64(Float64(sin(k) / l) * Float64(0.5 * Float64(k * Float64(k * t)))));
	else
		tmp = Float64(Float64(l * l) * Float64(2.0 / Float64(sin(k) * Float64(tan(k) * Float64(t * Float64(k * k))))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 2.5e-6)
		tmp = (l / k) / ((sin(k) / l) * (0.5 * (k * (k * t))));
	else
		tmp = (l * l) * (2.0 / (sin(k) * (tan(k) * (t * (k * k)))));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 2.5e-6], N[(N[(l / k), $MachinePrecision] / N[(N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision] * N[(0.5 * N[(k * N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l * l), $MachinePrecision] * N[(2.0 / N[(N[Sin[k], $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[(t * N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 2.5 \cdot 10^{-6}:\\
\;\;\;\;\frac{\frac{\ell}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{\sin k \cdot \left(\tan k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 2.5000000000000002e-6

    1. Initial program 40.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Add Preprocessing
    3. Applied egg-rr30.0%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \frac{\sin k}{\ell \cdot \ell}}} \]
    4. Applied egg-rr88.7%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\frac{\sin k}{\ell}}}{\frac{\tan k}{\ell}}} \]
    5. Step-by-step derivation
      1. lift-*.f64N/A

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\frac{\sin k}{\ell}}{\frac{2}{t \cdot \left(k \cdot k\right)}}}} \]
    6. Applied egg-rr94.3%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)}} \]
    7. Taylor expanded in k around 0

      \[\leadsto \frac{\color{blue}{\frac{\ell}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot \frac{1}{2}\right)} \]
    8. Step-by-step derivation
      1. lower-/.f6483.0

        \[\leadsto \frac{\color{blue}{\frac{\ell}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)} \]
    9. Simplified83.0%

      \[\leadsto \frac{\color{blue}{\frac{\ell}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)} \]

    if 2.5000000000000002e-6 < k

    1. Initial program 39.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Add Preprocessing
    3. Applied egg-rr31.2%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \frac{\sin k}{\ell \cdot \ell}}} \]
    4. Step-by-step derivation
      1. lift-tan.f64N/A

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

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

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{2}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \sin k} \cdot \left(\ell \cdot \ell\right)} \]
    5. Applied egg-rr76.5%

      \[\leadsto \color{blue}{\frac{2}{\sin k \cdot \left(\tan k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification81.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 2.5 \cdot 10^{-6}:\\ \;\;\;\;\frac{\frac{\ell}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{\sin k \cdot \left(\tan k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 88.6% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \frac{\ell}{\tan k \cdot \left(\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)\right)} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (/ l (* (tan k) (* (/ (sin k) l) (* 0.5 (* k (* k t)))))))
double code(double t, double l, double k) {
	return l / (tan(k) * ((sin(k) / l) * (0.5 * (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 = l / (tan(k) * ((sin(k) / l) * (0.5d0 * (k * (k * t)))))
end function
public static double code(double t, double l, double k) {
	return l / (Math.tan(k) * ((Math.sin(k) / l) * (0.5 * (k * (k * t)))));
}
def code(t, l, k):
	return l / (math.tan(k) * ((math.sin(k) / l) * (0.5 * (k * (k * t)))))
function code(t, l, k)
	return Float64(l / Float64(tan(k) * Float64(Float64(sin(k) / l) * Float64(0.5 * Float64(k * Float64(k * t))))))
end
function tmp = code(t, l, k)
	tmp = l / (tan(k) * ((sin(k) / l) * (0.5 * (k * (k * t)))));
end
code[t_, l_, k_] := N[(l / N[(N[Tan[k], $MachinePrecision] * N[(N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision] * N[(0.5 * N[(k * N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\ell}{\tan k \cdot \left(\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)\right)}
\end{array}
Derivation
  1. Initial program 40.2%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Add Preprocessing
  3. Applied egg-rr30.2%

    \[\leadsto \frac{2}{\color{blue}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \frac{\sin k}{\ell \cdot \ell}}} \]
  4. Applied egg-rr87.6%

    \[\leadsto \color{blue}{\frac{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\frac{\sin k}{\ell}}}{\frac{\tan k}{\ell}}} \]
  5. Step-by-step derivation
    1. lift-*.f64N/A

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

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

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

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

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

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

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

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

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

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

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

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

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

      \[\leadsto \frac{\ell}{\tan k \cdot \frac{1}{\color{blue}{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\frac{\sin k}{\ell}}}}} \]
  6. Applied egg-rr91.2%

    \[\leadsto \color{blue}{\frac{\ell}{\tan k \cdot \left(\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)\right)}} \]
  7. Final simplification91.2%

    \[\leadsto \frac{\ell}{\tan k \cdot \left(\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)\right)} \]
  8. Add Preprocessing

Alternative 7: 67.5% accurate, 2.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 17000:\\ \;\;\;\;\frac{\frac{\mathsf{fma}\left(\ell, \left(k \cdot k\right) \cdot -0.3333333333333333, \ell\right)}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 17000.0)
   (/
    (/ (fma l (* (* k k) -0.3333333333333333) l) k)
    (* (/ (sin k) l) (* 0.5 (* k (* k t)))))
   (/ (* 2.0 (* l (* l (cos k)))) (* k (* k (* t (* k k)))))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 17000.0) {
		tmp = (fma(l, ((k * k) * -0.3333333333333333), l) / k) / ((sin(k) / l) * (0.5 * (k * (k * t))));
	} else {
		tmp = (2.0 * (l * (l * cos(k)))) / (k * (k * (t * (k * k))));
	}
	return tmp;
}
function code(t, l, k)
	tmp = 0.0
	if (k <= 17000.0)
		tmp = Float64(Float64(fma(l, Float64(Float64(k * k) * -0.3333333333333333), l) / k) / Float64(Float64(sin(k) / l) * Float64(0.5 * Float64(k * Float64(k * t)))));
	else
		tmp = Float64(Float64(2.0 * Float64(l * Float64(l * cos(k)))) / Float64(k * Float64(k * Float64(t * Float64(k * k)))));
	end
	return tmp
end
code[t_, l_, k_] := If[LessEqual[k, 17000.0], N[(N[(N[(l * N[(N[(k * k), $MachinePrecision] * -0.3333333333333333), $MachinePrecision] + l), $MachinePrecision] / k), $MachinePrecision] / N[(N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision] * N[(0.5 * N[(k * N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(2.0 * N[(l * N[(l * N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(k * N[(k * N[(t * N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 17000:\\
\;\;\;\;\frac{\frac{\mathsf{fma}\left(\ell, \left(k \cdot k\right) \cdot -0.3333333333333333, \ell\right)}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 17000

    1. Initial program 40.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Add Preprocessing
    3. Applied egg-rr30.3%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \frac{\sin k}{\ell \cdot \ell}}} \]
    4. Applied egg-rr88.7%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\frac{\sin k}{\ell}}}{\frac{\tan k}{\ell}}} \]
    5. Step-by-step derivation
      1. lift-*.f64N/A

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\frac{\sin k}{\ell}}{\frac{2}{t \cdot \left(k \cdot k\right)}}}} \]
    6. Applied egg-rr94.3%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)}} \]
    7. Taylor expanded in k around 0

      \[\leadsto \frac{\color{blue}{\frac{\ell + \frac{-1}{3} \cdot \left({k}^{2} \cdot \ell\right)}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot \frac{1}{2}\right)} \]
    8. Step-by-step derivation
      1. lower-/.f64N/A

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

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

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

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

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

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

        \[\leadsto \frac{\frac{\mathsf{fma}\left(\ell, \color{blue}{{k}^{2} \cdot \frac{-1}{3}}, \ell\right)}{k}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot \frac{1}{2}\right)} \]
      8. unpow2N/A

        \[\leadsto \frac{\frac{\mathsf{fma}\left(\ell, \color{blue}{\left(k \cdot k\right)} \cdot \frac{-1}{3}, \ell\right)}{k}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot \frac{1}{2}\right)} \]
      9. lower-*.f6474.3

        \[\leadsto \frac{\frac{\mathsf{fma}\left(\ell, \color{blue}{\left(k \cdot k\right)} \cdot -0.3333333333333333, \ell\right)}{k}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)} \]
    9. Simplified74.3%

      \[\leadsto \frac{\color{blue}{\frac{\mathsf{fma}\left(\ell, \left(k \cdot k\right) \cdot -0.3333333333333333, \ell\right)}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)} \]

    if 17000 < k

    1. Initial program 38.1%

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

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

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

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

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

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

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      6. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\cos k \cdot \ell\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\cos k \cdot \ell\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      8. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\ell \cdot \cos k\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      9. lower-*.f64N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \color{blue}{\cos k}\right)\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      13. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      14. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      15. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      16. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      17. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}\right)} \]
      18. lower-pow.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \color{blue}{{\sin k}^{2}}\right)\right)} \]
      19. lower-sin.f6476.6

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\color{blue}{\sin k}}^{2}\right)\right)} \]
    5. Simplified76.6%

      \[\leadsto \color{blue}{\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    6. Taylor expanded in k around 0

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
    7. Step-by-step derivation
      1. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
      2. unpow2N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
      3. lower-*.f6465.6

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
    8. Simplified65.6%

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(\left(k \cdot k\right) \cdot t\right)}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification72.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 17000:\\ \;\;\;\;\frac{\frac{\mathsf{fma}\left(\ell, \left(k \cdot k\right) \cdot -0.3333333333333333, \ell\right)}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 75.5% accurate, 2.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\ell \cdot \ell \leq 10^{+192}:\\ \;\;\;\;\frac{\frac{\ell}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= (* l l) 1e+192)
   (/ (/ l k) (* (/ (sin k) l) (* 0.5 (* k (* k t)))))
   (/ (* 2.0 (* l (* l (cos k)))) (* k (* k (* t (* k k)))))))
double code(double t, double l, double k) {
	double tmp;
	if ((l * l) <= 1e+192) {
		tmp = (l / k) / ((sin(k) / l) * (0.5 * (k * (k * t))));
	} else {
		tmp = (2.0 * (l * (l * cos(k)))) / (k * (k * (t * (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 ((l * l) <= 1d+192) then
        tmp = (l / k) / ((sin(k) / l) * (0.5d0 * (k * (k * t))))
    else
        tmp = (2.0d0 * (l * (l * cos(k)))) / (k * (k * (t * (k * k))))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if ((l * l) <= 1e+192) {
		tmp = (l / k) / ((Math.sin(k) / l) * (0.5 * (k * (k * t))));
	} else {
		tmp = (2.0 * (l * (l * Math.cos(k)))) / (k * (k * (t * (k * k))));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if (l * l) <= 1e+192:
		tmp = (l / k) / ((math.sin(k) / l) * (0.5 * (k * (k * t))))
	else:
		tmp = (2.0 * (l * (l * math.cos(k)))) / (k * (k * (t * (k * k))))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (Float64(l * l) <= 1e+192)
		tmp = Float64(Float64(l / k) / Float64(Float64(sin(k) / l) * Float64(0.5 * Float64(k * Float64(k * t)))));
	else
		tmp = Float64(Float64(2.0 * Float64(l * Float64(l * cos(k)))) / Float64(k * Float64(k * Float64(t * Float64(k * k)))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if ((l * l) <= 1e+192)
		tmp = (l / k) / ((sin(k) / l) * (0.5 * (k * (k * t))));
	else
		tmp = (2.0 * (l * (l * cos(k)))) / (k * (k * (t * (k * k))));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[N[(l * l), $MachinePrecision], 1e+192], N[(N[(l / k), $MachinePrecision] / N[(N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision] * N[(0.5 * N[(k * N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(2.0 * N[(l * N[(l * N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(k * N[(k * N[(t * N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\ell \cdot \ell \leq 10^{+192}:\\
\;\;\;\;\frac{\frac{\ell}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (*.f64 l l) < 1.00000000000000004e192

    1. Initial program 36.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Add Preprocessing
    3. Applied egg-rr28.6%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(\tan k \cdot \frac{k \cdot k}{t \cdot t}\right) \cdot \left(t \cdot \left(t \cdot t\right)\right)\right) \cdot \frac{\sin k}{\ell \cdot \ell}}} \]
    4. Applied egg-rr91.0%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{t \cdot \left(k \cdot k\right)}}{\frac{\sin k}{\ell}}}{\frac{\tan k}{\ell}}} \]
    5. Step-by-step derivation
      1. lift-*.f64N/A

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\frac{\sin k}{\ell}}{\frac{2}{t \cdot \left(k \cdot k\right)}}}} \]
    6. Applied egg-rr96.1%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\tan k}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)}} \]
    7. Taylor expanded in k around 0

      \[\leadsto \frac{\color{blue}{\frac{\ell}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot \frac{1}{2}\right)} \]
    8. Step-by-step derivation
      1. lower-/.f6485.5

        \[\leadsto \frac{\color{blue}{\frac{\ell}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)} \]
    9. Simplified85.5%

      \[\leadsto \frac{\color{blue}{\frac{\ell}{k}}}{\frac{\sin k}{\ell} \cdot \left(\left(k \cdot \left(t \cdot k\right)\right) \cdot 0.5\right)} \]

    if 1.00000000000000004e192 < (*.f64 l l)

    1. Initial program 48.4%

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

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

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

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

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

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

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      6. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\cos k \cdot \ell\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\cos k \cdot \ell\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      8. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\ell \cdot \cos k\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      9. lower-*.f64N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \color{blue}{\cos k}\right)\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      13. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      14. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      15. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      16. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      17. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}\right)} \]
      18. lower-pow.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \color{blue}{{\sin k}^{2}}\right)\right)} \]
      19. lower-sin.f6475.4

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\color{blue}{\sin k}}^{2}\right)\right)} \]
    5. Simplified75.4%

      \[\leadsto \color{blue}{\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    6. Taylor expanded in k around 0

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
    7. Step-by-step derivation
      1. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
      2. unpow2N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
      3. lower-*.f6470.7

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
    8. Simplified70.7%

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(\left(k \cdot k\right) \cdot t\right)}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification80.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\ell \cdot \ell \leq 10^{+192}:\\ \;\;\;\;\frac{\frac{\ell}{k}}{\frac{\sin k}{\ell} \cdot \left(0.5 \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 74.0% accurate, 2.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;\ell \cdot \ell \leq 10^{-190}:\\ \;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{1}{\frac{k \cdot \left(k \cdot t\right)}{\frac{\frac{\ell}{k}}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= (* l l) 1e-190)
   (* (* l 2.0) (/ 1.0 (/ (* k (* k t)) (/ (/ l k) k))))
   (/ (* 2.0 (* l (* l (cos k)))) (* k (* k (* t (* k k)))))))
double code(double t, double l, double k) {
	double tmp;
	if ((l * l) <= 1e-190) {
		tmp = (l * 2.0) * (1.0 / ((k * (k * t)) / ((l / k) / k)));
	} else {
		tmp = (2.0 * (l * (l * cos(k)))) / (k * (k * (t * (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 ((l * l) <= 1d-190) then
        tmp = (l * 2.0d0) * (1.0d0 / ((k * (k * t)) / ((l / k) / k)))
    else
        tmp = (2.0d0 * (l * (l * cos(k)))) / (k * (k * (t * (k * k))))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if ((l * l) <= 1e-190) {
		tmp = (l * 2.0) * (1.0 / ((k * (k * t)) / ((l / k) / k)));
	} else {
		tmp = (2.0 * (l * (l * Math.cos(k)))) / (k * (k * (t * (k * k))));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if (l * l) <= 1e-190:
		tmp = (l * 2.0) * (1.0 / ((k * (k * t)) / ((l / k) / k)))
	else:
		tmp = (2.0 * (l * (l * math.cos(k)))) / (k * (k * (t * (k * k))))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (Float64(l * l) <= 1e-190)
		tmp = Float64(Float64(l * 2.0) * Float64(1.0 / Float64(Float64(k * Float64(k * t)) / Float64(Float64(l / k) / k))));
	else
		tmp = Float64(Float64(2.0 * Float64(l * Float64(l * cos(k)))) / Float64(k * Float64(k * Float64(t * Float64(k * k)))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if ((l * l) <= 1e-190)
		tmp = (l * 2.0) * (1.0 / ((k * (k * t)) / ((l / k) / k)));
	else
		tmp = (2.0 * (l * (l * cos(k)))) / (k * (k * (t * (k * k))));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[N[(l * l), $MachinePrecision], 1e-190], N[(N[(l * 2.0), $MachinePrecision] * N[(1.0 / N[(N[(k * N[(k * t), $MachinePrecision]), $MachinePrecision] / N[(N[(l / k), $MachinePrecision] / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(2.0 * N[(l * N[(l * N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(k * N[(k * N[(t * N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;\ell \cdot \ell \leq 10^{-190}:\\
\;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{1}{\frac{k \cdot \left(k \cdot t\right)}{\frac{\frac{\ell}{k}}{k}}}\\

\mathbf{else}:\\
\;\;\;\;\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (*.f64 l l) < 1e-190

    1. Initial program 23.7%

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

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    4. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{4} \cdot t}} \]
      2. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{4} \cdot t}} \]
      3. lower-*.f64N/A

        \[\leadsto \frac{\color{blue}{2 \cdot {\ell}^{2}}}{{k}^{4} \cdot t} \]
      4. unpow2N/A

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

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

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

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot {k}^{\color{blue}{\left(2 \cdot 2\right)}}} \]
      9. pow-sqrN/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \color{blue}{\left({k}^{2} \cdot {k}^{2}\right)}} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot {k}^{2}\right)} \]
      13. unpow2N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\left(k \cdot k\right) \cdot \color{blue}{\left(k \cdot k\right)}\right)} \]
      14. lower-*.f6453.1

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\left(k \cdot k\right) \cdot \color{blue}{\left(k \cdot k\right)}\right)} \]
    5. Simplified53.1%

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\left(2 \cdot \ell\right)} \cdot \frac{\ell}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \]
      9. lower-/.f6478.2

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\ell}{k \cdot \left(\color{blue}{\left(k \cdot \left(k \cdot k\right)\right)} \cdot t\right)} \]
      20. lower-*.f6482.1

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\ell}{k \cdot \left(\color{blue}{\left(k \cdot \left(k \cdot k\right)\right)} \cdot t\right)} \]
    7. Applied egg-rr82.1%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{1}{\frac{k \cdot \left(t \cdot k\right)}{\color{blue}{\frac{\frac{\ell}{k}}{k}}}} \]
      21. lower-/.f6489.7

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{1}{\frac{k \cdot \left(t \cdot k\right)}{\frac{\color{blue}{\frac{\ell}{k}}}{k}}} \]
    9. Applied egg-rr89.7%

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

    if 1e-190 < (*.f64 l l)

    1. Initial program 48.9%

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

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

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

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

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

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

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      6. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\cos k \cdot \ell\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\cos k \cdot \ell\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      8. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\ell \cdot \cos k\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      9. lower-*.f64N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \color{blue}{\cos k}\right)\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      13. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      14. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      15. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      16. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      17. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}\right)} \]
      18. lower-pow.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \color{blue}{{\sin k}^{2}}\right)\right)} \]
      19. lower-sin.f6485.9

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\color{blue}{\sin k}}^{2}\right)\right)} \]
    5. Simplified85.9%

      \[\leadsto \color{blue}{\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    6. Taylor expanded in k around 0

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
    7. Step-by-step derivation
      1. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
      2. unpow2N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
      3. lower-*.f6473.2

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
    8. Simplified73.2%

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(\left(k \cdot k\right) \cdot t\right)}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification79.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\ell \cdot \ell \leq 10^{-190}:\\ \;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{1}{\frac{k \cdot \left(k \cdot t\right)}{\frac{\frac{\ell}{k}}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \left(k \cdot k\right)\right)\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 74.5% accurate, 6.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 175000000000:\\ \;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{1}{\frac{k \cdot \left(k \cdot t\right)}{\frac{\frac{\ell}{k}}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 175000000000.0)
   (* (* l 2.0) (/ 1.0 (/ (* k (* k t)) (/ (/ l k) k))))
   (* (/ l k) (/ (* l -0.3333333333333333) (* k t)))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 175000000000.0) {
		tmp = (l * 2.0) * (1.0 / ((k * (k * t)) / ((l / k) / k)));
	} else {
		tmp = (l / k) * ((l * -0.3333333333333333) / (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 (k <= 175000000000.0d0) then
        tmp = (l * 2.0d0) * (1.0d0 / ((k * (k * t)) / ((l / k) / k)))
    else
        tmp = (l / k) * ((l * (-0.3333333333333333d0)) / (k * t))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 175000000000.0) {
		tmp = (l * 2.0) * (1.0 / ((k * (k * t)) / ((l / k) / k)));
	} else {
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 175000000000.0:
		tmp = (l * 2.0) * (1.0 / ((k * (k * t)) / ((l / k) / k)))
	else:
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 175000000000.0)
		tmp = Float64(Float64(l * 2.0) * Float64(1.0 / Float64(Float64(k * Float64(k * t)) / Float64(Float64(l / k) / k))));
	else
		tmp = Float64(Float64(l / k) * Float64(Float64(l * -0.3333333333333333) / Float64(k * t)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 175000000000.0)
		tmp = (l * 2.0) * (1.0 / ((k * (k * t)) / ((l / k) / k)));
	else
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 175000000000.0], N[(N[(l * 2.0), $MachinePrecision] * N[(1.0 / N[(N[(k * N[(k * t), $MachinePrecision]), $MachinePrecision] / N[(N[(l / k), $MachinePrecision] / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l / k), $MachinePrecision] * N[(N[(l * -0.3333333333333333), $MachinePrecision] / N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 175000000000:\\
\;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{1}{\frac{k \cdot \left(k \cdot t\right)}{\frac{\frac{\ell}{k}}{k}}}\\

\mathbf{else}:\\
\;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.75e11

    1. Initial program 40.7%

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

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    4. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{4} \cdot t}} \]
      2. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{4} \cdot t}} \]
      3. lower-*.f64N/A

        \[\leadsto \frac{\color{blue}{2 \cdot {\ell}^{2}}}{{k}^{4} \cdot t} \]
      4. unpow2N/A

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

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

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

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot {k}^{\color{blue}{\left(2 \cdot 2\right)}}} \]
      9. pow-sqrN/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \color{blue}{\left({k}^{2} \cdot {k}^{2}\right)}} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot {k}^{2}\right)} \]
      13. unpow2N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\left(k \cdot k\right) \cdot \color{blue}{\left(k \cdot k\right)}\right)} \]
      14. lower-*.f6464.4

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\left(k \cdot k\right) \cdot \color{blue}{\left(k \cdot k\right)}\right)} \]
    5. Simplified64.4%

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\left(2 \cdot \ell\right)} \cdot \frac{\ell}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \]
      9. lower-/.f6474.9

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\ell}{k \cdot \left(\color{blue}{\left(k \cdot \left(k \cdot k\right)\right)} \cdot t\right)} \]
      20. lower-*.f6477.2

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\ell}{k \cdot \left(\color{blue}{\left(k \cdot \left(k \cdot k\right)\right)} \cdot t\right)} \]
    7. Applied egg-rr77.2%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{1}{\frac{k \cdot \left(t \cdot k\right)}{\color{blue}{\frac{\frac{\ell}{k}}{k}}}} \]
      21. lower-/.f6480.8

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{1}{\frac{k \cdot \left(t \cdot k\right)}{\frac{\color{blue}{\frac{\ell}{k}}}{k}}} \]
    9. Applied egg-rr80.8%

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

    if 1.75e11 < k

    1. Initial program 37.9%

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

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

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

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

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

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

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      6. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\cos k \cdot \ell\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\cos k \cdot \ell\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      8. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\ell \cdot \cos k\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      9. lower-*.f64N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \color{blue}{\cos k}\right)\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      13. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      14. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      15. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      16. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      17. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}\right)} \]
      18. lower-pow.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \color{blue}{{\sin k}^{2}}\right)\right)} \]
      19. lower-sin.f6474.3

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\color{blue}{\sin k}}^{2}\right)\right)} \]
    5. Simplified74.3%

      \[\leadsto \color{blue}{\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    6. Taylor expanded in k around 0

      \[\leadsto \color{blue}{\frac{2 \cdot \left({k}^{2} \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
    7. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right) \cdot {k}^{2}\right)} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}} \]
      2. associate-*r*N/A

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

        \[\leadsto \color{blue}{\frac{\left(2 \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) \cdot {k}^{2} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
    8. Simplified30.9%

      \[\leadsto \color{blue}{\frac{\frac{\ell \cdot \ell}{t} \cdot \mathsf{fma}\left(k, k \cdot -0.3333333333333333, 2\right)}{\left(k \cdot k\right) \cdot \left(k \cdot k\right)}} \]
    9. Taylor expanded in k around inf

      \[\leadsto \color{blue}{\frac{-1}{3} \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot t}} \]
    10. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
      2. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
      4. lower-*.f64N/A

        \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
      5. unpow2N/A

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

        \[\leadsto \frac{\color{blue}{\left(\ell \cdot \ell\right)} \cdot \frac{-1}{3}}{{k}^{2} \cdot t} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{{k}^{2} \cdot t}} \]
      8. unpow2N/A

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
      9. lower-*.f6463.7

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
    11. Simplified63.7%

      \[\leadsto \color{blue}{\frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\left(k \cdot k\right) \cdot t}} \]
    12. Step-by-step derivation
      1. associate-*l*N/A

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

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{\color{blue}{k \cdot \left(k \cdot t\right)}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{k \cdot \color{blue}{\left(t \cdot k\right)}} \]
      4. lift-*.f64N/A

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{k \cdot \color{blue}{\left(t \cdot k\right)}} \]
      5. times-fracN/A

        \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      6. lower-*.f64N/A

        \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      7. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{\ell}{k}} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k} \]
      8. lower-/.f64N/A

        \[\leadsto \frac{\ell}{k} \cdot \color{blue}{\frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      9. lower-*.f6467.4

        \[\leadsto \frac{\ell}{k} \cdot \frac{\color{blue}{\ell \cdot -0.3333333333333333}}{t \cdot k} \]
      10. lift-*.f64N/A

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{\color{blue}{t \cdot k}} \]
      11. *-commutativeN/A

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{\color{blue}{k \cdot t}} \]
      12. lower-*.f6467.4

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{\color{blue}{k \cdot t}} \]
    13. Applied egg-rr67.4%

      \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification78.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 175000000000:\\ \;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{1}{\frac{k \cdot \left(k \cdot t\right)}{\frac{\frac{\ell}{k}}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 74.4% accurate, 8.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 175000000000:\\ \;\;\;\;\frac{\ell \cdot 2}{t \cdot \left(k \cdot k\right)} \cdot \frac{\ell}{k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 175000000000.0)
   (* (/ (* l 2.0) (* t (* k k))) (/ l (* k k)))
   (* (/ l k) (/ (* l -0.3333333333333333) (* k t)))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 175000000000.0) {
		tmp = ((l * 2.0) / (t * (k * k))) * (l / (k * k));
	} else {
		tmp = (l / k) * ((l * -0.3333333333333333) / (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 (k <= 175000000000.0d0) then
        tmp = ((l * 2.0d0) / (t * (k * k))) * (l / (k * k))
    else
        tmp = (l / k) * ((l * (-0.3333333333333333d0)) / (k * t))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 175000000000.0) {
		tmp = ((l * 2.0) / (t * (k * k))) * (l / (k * k));
	} else {
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 175000000000.0:
		tmp = ((l * 2.0) / (t * (k * k))) * (l / (k * k))
	else:
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 175000000000.0)
		tmp = Float64(Float64(Float64(l * 2.0) / Float64(t * Float64(k * k))) * Float64(l / Float64(k * k)));
	else
		tmp = Float64(Float64(l / k) * Float64(Float64(l * -0.3333333333333333) / Float64(k * t)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 175000000000.0)
		tmp = ((l * 2.0) / (t * (k * k))) * (l / (k * k));
	else
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 175000000000.0], N[(N[(N[(l * 2.0), $MachinePrecision] / N[(t * N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l / k), $MachinePrecision] * N[(N[(l * -0.3333333333333333), $MachinePrecision] / N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 175000000000:\\
\;\;\;\;\frac{\ell \cdot 2}{t \cdot \left(k \cdot k\right)} \cdot \frac{\ell}{k \cdot k}\\

\mathbf{else}:\\
\;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.75e11

    1. Initial program 40.7%

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

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    4. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{4} \cdot t}} \]
      2. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{4} \cdot t}} \]
      3. lower-*.f64N/A

        \[\leadsto \frac{\color{blue}{2 \cdot {\ell}^{2}}}{{k}^{4} \cdot t} \]
      4. unpow2N/A

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

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

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

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot {k}^{\color{blue}{\left(2 \cdot 2\right)}}} \]
      9. pow-sqrN/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \color{blue}{\left({k}^{2} \cdot {k}^{2}\right)}} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot {k}^{2}\right)} \]
      13. unpow2N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\left(k \cdot k\right) \cdot \color{blue}{\left(k \cdot k\right)}\right)} \]
      14. lower-*.f6464.4

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\left(k \cdot k\right) \cdot \color{blue}{\left(k \cdot k\right)}\right)} \]
    5. Simplified64.4%

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

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

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

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

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

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

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

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

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

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{t \cdot \left(k \cdot k\right)}} \cdot \frac{\ell}{k \cdot k} \]
      10. lower-/.f6480.5

        \[\leadsto \frac{2 \cdot \ell}{t \cdot \left(k \cdot k\right)} \cdot \color{blue}{\frac{\ell}{k \cdot k}} \]
    7. Applied egg-rr80.5%

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

    if 1.75e11 < k

    1. Initial program 37.9%

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

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

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

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

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

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

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      6. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\cos k \cdot \ell\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\cos k \cdot \ell\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      8. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\ell \cdot \cos k\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      9. lower-*.f64N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \color{blue}{\cos k}\right)\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      13. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      14. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      15. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      16. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      17. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}\right)} \]
      18. lower-pow.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \color{blue}{{\sin k}^{2}}\right)\right)} \]
      19. lower-sin.f6474.3

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\color{blue}{\sin k}}^{2}\right)\right)} \]
    5. Simplified74.3%

      \[\leadsto \color{blue}{\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    6. Taylor expanded in k around 0

      \[\leadsto \color{blue}{\frac{2 \cdot \left({k}^{2} \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
    7. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right) \cdot {k}^{2}\right)} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}} \]
      2. associate-*r*N/A

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

        \[\leadsto \color{blue}{\frac{\left(2 \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) \cdot {k}^{2} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
    8. Simplified30.9%

      \[\leadsto \color{blue}{\frac{\frac{\ell \cdot \ell}{t} \cdot \mathsf{fma}\left(k, k \cdot -0.3333333333333333, 2\right)}{\left(k \cdot k\right) \cdot \left(k \cdot k\right)}} \]
    9. Taylor expanded in k around inf

      \[\leadsto \color{blue}{\frac{-1}{3} \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot t}} \]
    10. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
      2. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
      4. lower-*.f64N/A

        \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
      5. unpow2N/A

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

        \[\leadsto \frac{\color{blue}{\left(\ell \cdot \ell\right)} \cdot \frac{-1}{3}}{{k}^{2} \cdot t} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{{k}^{2} \cdot t}} \]
      8. unpow2N/A

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
      9. lower-*.f6463.7

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
    11. Simplified63.7%

      \[\leadsto \color{blue}{\frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\left(k \cdot k\right) \cdot t}} \]
    12. Step-by-step derivation
      1. associate-*l*N/A

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

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{\color{blue}{k \cdot \left(k \cdot t\right)}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{k \cdot \color{blue}{\left(t \cdot k\right)}} \]
      4. lift-*.f64N/A

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{k \cdot \color{blue}{\left(t \cdot k\right)}} \]
      5. times-fracN/A

        \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      6. lower-*.f64N/A

        \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      7. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{\ell}{k}} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k} \]
      8. lower-/.f64N/A

        \[\leadsto \frac{\ell}{k} \cdot \color{blue}{\frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      9. lower-*.f6467.4

        \[\leadsto \frac{\ell}{k} \cdot \frac{\color{blue}{\ell \cdot -0.3333333333333333}}{t \cdot k} \]
      10. lift-*.f64N/A

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{\color{blue}{t \cdot k}} \]
      11. *-commutativeN/A

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{\color{blue}{k \cdot t}} \]
      12. lower-*.f6467.4

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{\color{blue}{k \cdot t}} \]
    13. Applied egg-rr67.4%

      \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification78.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 175000000000:\\ \;\;\;\;\frac{\ell \cdot 2}{t \cdot \left(k \cdot k\right)} \cdot \frac{\ell}{k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 73.6% accurate, 8.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 175000000000:\\ \;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{\frac{\ell}{k}}{k \cdot \left(k \cdot \left(k \cdot t\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 175000000000.0)
   (* (* l 2.0) (/ (/ l k) (* k (* k (* k t)))))
   (* (/ l k) (/ (* l -0.3333333333333333) (* k t)))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 175000000000.0) {
		tmp = (l * 2.0) * ((l / k) / (k * (k * (k * t))));
	} else {
		tmp = (l / k) * ((l * -0.3333333333333333) / (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 (k <= 175000000000.0d0) then
        tmp = (l * 2.0d0) * ((l / k) / (k * (k * (k * t))))
    else
        tmp = (l / k) * ((l * (-0.3333333333333333d0)) / (k * t))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 175000000000.0) {
		tmp = (l * 2.0) * ((l / k) / (k * (k * (k * t))));
	} else {
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 175000000000.0:
		tmp = (l * 2.0) * ((l / k) / (k * (k * (k * t))))
	else:
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 175000000000.0)
		tmp = Float64(Float64(l * 2.0) * Float64(Float64(l / k) / Float64(k * Float64(k * Float64(k * t)))));
	else
		tmp = Float64(Float64(l / k) * Float64(Float64(l * -0.3333333333333333) / Float64(k * t)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 175000000000.0)
		tmp = (l * 2.0) * ((l / k) / (k * (k * (k * t))));
	else
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 175000000000.0], N[(N[(l * 2.0), $MachinePrecision] * N[(N[(l / k), $MachinePrecision] / N[(k * N[(k * N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l / k), $MachinePrecision] * N[(N[(l * -0.3333333333333333), $MachinePrecision] / N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 175000000000:\\
\;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{\frac{\ell}{k}}{k \cdot \left(k \cdot \left(k \cdot t\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.75e11

    1. Initial program 40.7%

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

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    4. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{4} \cdot t}} \]
      2. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{4} \cdot t}} \]
      3. lower-*.f64N/A

        \[\leadsto \frac{\color{blue}{2 \cdot {\ell}^{2}}}{{k}^{4} \cdot t} \]
      4. unpow2N/A

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

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

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

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot {k}^{\color{blue}{\left(2 \cdot 2\right)}}} \]
      9. pow-sqrN/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \color{blue}{\left({k}^{2} \cdot {k}^{2}\right)}} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot {k}^{2}\right)} \]
      13. unpow2N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\left(k \cdot k\right) \cdot \color{blue}{\left(k \cdot k\right)}\right)} \]
      14. lower-*.f6464.4

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\left(k \cdot k\right) \cdot \color{blue}{\left(k \cdot k\right)}\right)} \]
    5. Simplified64.4%

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\left(2 \cdot \ell\right)} \cdot \frac{\ell}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \]
      9. lower-/.f6474.9

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\ell}{k \cdot \left(\color{blue}{\left(k \cdot \left(k \cdot k\right)\right)} \cdot t\right)} \]
      20. lower-*.f6477.2

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\ell}{k \cdot \left(\color{blue}{\left(k \cdot \left(k \cdot k\right)\right)} \cdot t\right)} \]
    7. Applied egg-rr77.2%

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

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

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

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

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

        \[\leadsto \left(2 \cdot \ell\right) \cdot \color{blue}{\frac{\frac{\ell}{k}}{\left(k \cdot \left(k \cdot k\right)\right) \cdot t}} \]
      6. lower-/.f6477.5

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

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

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

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

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

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\frac{\ell}{k}}{k \cdot \color{blue}{\left(t \cdot \left(k \cdot k\right)\right)}} \]
      12. lower-*.f6478.7

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

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

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

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

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

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\frac{\ell}{k}}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot k\right)\right)}} \]
      18. lower-*.f6479.2

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\frac{\ell}{k}}{k \cdot \left(k \cdot \color{blue}{\left(t \cdot k\right)}\right)} \]
    9. Applied egg-rr79.2%

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

    if 1.75e11 < k

    1. Initial program 37.9%

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

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

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

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

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

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

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      6. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\cos k \cdot \ell\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\cos k \cdot \ell\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      8. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\ell \cdot \cos k\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      9. lower-*.f64N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \color{blue}{\cos k}\right)\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      13. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      14. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      15. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      16. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      17. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}\right)} \]
      18. lower-pow.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \color{blue}{{\sin k}^{2}}\right)\right)} \]
      19. lower-sin.f6474.3

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\color{blue}{\sin k}}^{2}\right)\right)} \]
    5. Simplified74.3%

      \[\leadsto \color{blue}{\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    6. Taylor expanded in k around 0

      \[\leadsto \color{blue}{\frac{2 \cdot \left({k}^{2} \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
    7. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right) \cdot {k}^{2}\right)} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}} \]
      2. associate-*r*N/A

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

        \[\leadsto \color{blue}{\frac{\left(2 \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) \cdot {k}^{2} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
    8. Simplified30.9%

      \[\leadsto \color{blue}{\frac{\frac{\ell \cdot \ell}{t} \cdot \mathsf{fma}\left(k, k \cdot -0.3333333333333333, 2\right)}{\left(k \cdot k\right) \cdot \left(k \cdot k\right)}} \]
    9. Taylor expanded in k around inf

      \[\leadsto \color{blue}{\frac{-1}{3} \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot t}} \]
    10. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
      2. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
      4. lower-*.f64N/A

        \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
      5. unpow2N/A

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

        \[\leadsto \frac{\color{blue}{\left(\ell \cdot \ell\right)} \cdot \frac{-1}{3}}{{k}^{2} \cdot t} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{{k}^{2} \cdot t}} \]
      8. unpow2N/A

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
      9. lower-*.f6463.7

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
    11. Simplified63.7%

      \[\leadsto \color{blue}{\frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\left(k \cdot k\right) \cdot t}} \]
    12. Step-by-step derivation
      1. associate-*l*N/A

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

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{\color{blue}{k \cdot \left(k \cdot t\right)}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{k \cdot \color{blue}{\left(t \cdot k\right)}} \]
      4. lift-*.f64N/A

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{k \cdot \color{blue}{\left(t \cdot k\right)}} \]
      5. times-fracN/A

        \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      6. lower-*.f64N/A

        \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      7. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{\ell}{k}} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k} \]
      8. lower-/.f64N/A

        \[\leadsto \frac{\ell}{k} \cdot \color{blue}{\frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      9. lower-*.f6467.4

        \[\leadsto \frac{\ell}{k} \cdot \frac{\color{blue}{\ell \cdot -0.3333333333333333}}{t \cdot k} \]
      10. lift-*.f64N/A

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{\color{blue}{t \cdot k}} \]
      11. *-commutativeN/A

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{\color{blue}{k \cdot t}} \]
      12. lower-*.f6467.4

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{\color{blue}{k \cdot t}} \]
    13. Applied egg-rr67.4%

      \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification76.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 175000000000:\\ \;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{\frac{\ell}{k}}{k \cdot \left(k \cdot \left(k \cdot t\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 72.0% accurate, 9.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 175000000000:\\ \;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{\ell}{k \cdot \left(\left(k \cdot t\right) \cdot \left(k \cdot k\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 175000000000.0)
   (* (* l 2.0) (/ l (* k (* (* k t) (* k k)))))
   (* (/ l k) (/ (* l -0.3333333333333333) (* k t)))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 175000000000.0) {
		tmp = (l * 2.0) * (l / (k * ((k * t) * (k * k))));
	} else {
		tmp = (l / k) * ((l * -0.3333333333333333) / (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 (k <= 175000000000.0d0) then
        tmp = (l * 2.0d0) * (l / (k * ((k * t) * (k * k))))
    else
        tmp = (l / k) * ((l * (-0.3333333333333333d0)) / (k * t))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 175000000000.0) {
		tmp = (l * 2.0) * (l / (k * ((k * t) * (k * k))));
	} else {
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 175000000000.0:
		tmp = (l * 2.0) * (l / (k * ((k * t) * (k * k))))
	else:
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 175000000000.0)
		tmp = Float64(Float64(l * 2.0) * Float64(l / Float64(k * Float64(Float64(k * t) * Float64(k * k)))));
	else
		tmp = Float64(Float64(l / k) * Float64(Float64(l * -0.3333333333333333) / Float64(k * t)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 175000000000.0)
		tmp = (l * 2.0) * (l / (k * ((k * t) * (k * k))));
	else
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 175000000000.0], N[(N[(l * 2.0), $MachinePrecision] * N[(l / N[(k * N[(N[(k * t), $MachinePrecision] * N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l / k), $MachinePrecision] * N[(N[(l * -0.3333333333333333), $MachinePrecision] / N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 175000000000:\\
\;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{\ell}{k \cdot \left(\left(k \cdot t\right) \cdot \left(k \cdot k\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.75e11

    1. Initial program 40.7%

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

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    4. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{4} \cdot t}} \]
      2. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{4} \cdot t}} \]
      3. lower-*.f64N/A

        \[\leadsto \frac{\color{blue}{2 \cdot {\ell}^{2}}}{{k}^{4} \cdot t} \]
      4. unpow2N/A

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

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

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

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot {k}^{\color{blue}{\left(2 \cdot 2\right)}}} \]
      9. pow-sqrN/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \color{blue}{\left({k}^{2} \cdot {k}^{2}\right)}} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot {k}^{2}\right)} \]
      13. unpow2N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\left(k \cdot k\right) \cdot \color{blue}{\left(k \cdot k\right)}\right)} \]
      14. lower-*.f6464.4

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\left(k \cdot k\right) \cdot \color{blue}{\left(k \cdot k\right)}\right)} \]
    5. Simplified64.4%

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\left(2 \cdot \ell\right)} \cdot \frac{\ell}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \]
      9. lower-/.f6474.9

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\ell}{k \cdot \left(\color{blue}{\left(k \cdot \left(k \cdot k\right)\right)} \cdot t\right)} \]
      20. lower-*.f6477.2

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\ell}{k \cdot \left(\color{blue}{\left(k \cdot \left(k \cdot k\right)\right)} \cdot t\right)} \]
    7. Applied egg-rr77.2%

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

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

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

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

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

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

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\ell}{k \cdot \color{blue}{\left(\left(t \cdot k\right) \cdot \left(k \cdot k\right)\right)}} \]
      7. lower-*.f6478.5

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\ell}{k \cdot \left(\color{blue}{\left(t \cdot k\right)} \cdot \left(k \cdot k\right)\right)} \]
    9. Applied egg-rr78.5%

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

    if 1.75e11 < k

    1. Initial program 37.9%

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

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

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

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

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

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

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      6. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\cos k \cdot \ell\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\cos k \cdot \ell\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      8. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\ell \cdot \cos k\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      9. lower-*.f64N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \color{blue}{\cos k}\right)\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      13. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      14. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      15. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      16. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      17. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}\right)} \]
      18. lower-pow.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \color{blue}{{\sin k}^{2}}\right)\right)} \]
      19. lower-sin.f6474.3

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\color{blue}{\sin k}}^{2}\right)\right)} \]
    5. Simplified74.3%

      \[\leadsto \color{blue}{\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    6. Taylor expanded in k around 0

      \[\leadsto \color{blue}{\frac{2 \cdot \left({k}^{2} \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
    7. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right) \cdot {k}^{2}\right)} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}} \]
      2. associate-*r*N/A

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

        \[\leadsto \color{blue}{\frac{\left(2 \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) \cdot {k}^{2} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
    8. Simplified30.9%

      \[\leadsto \color{blue}{\frac{\frac{\ell \cdot \ell}{t} \cdot \mathsf{fma}\left(k, k \cdot -0.3333333333333333, 2\right)}{\left(k \cdot k\right) \cdot \left(k \cdot k\right)}} \]
    9. Taylor expanded in k around inf

      \[\leadsto \color{blue}{\frac{-1}{3} \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot t}} \]
    10. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
      2. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
      4. lower-*.f64N/A

        \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
      5. unpow2N/A

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

        \[\leadsto \frac{\color{blue}{\left(\ell \cdot \ell\right)} \cdot \frac{-1}{3}}{{k}^{2} \cdot t} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{{k}^{2} \cdot t}} \]
      8. unpow2N/A

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
      9. lower-*.f6463.7

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
    11. Simplified63.7%

      \[\leadsto \color{blue}{\frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\left(k \cdot k\right) \cdot t}} \]
    12. Step-by-step derivation
      1. associate-*l*N/A

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

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{\color{blue}{k \cdot \left(k \cdot t\right)}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{k \cdot \color{blue}{\left(t \cdot k\right)}} \]
      4. lift-*.f64N/A

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{k \cdot \color{blue}{\left(t \cdot k\right)}} \]
      5. times-fracN/A

        \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      6. lower-*.f64N/A

        \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      7. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{\ell}{k}} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k} \]
      8. lower-/.f64N/A

        \[\leadsto \frac{\ell}{k} \cdot \color{blue}{\frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      9. lower-*.f6467.4

        \[\leadsto \frac{\ell}{k} \cdot \frac{\color{blue}{\ell \cdot -0.3333333333333333}}{t \cdot k} \]
      10. lift-*.f64N/A

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{\color{blue}{t \cdot k}} \]
      11. *-commutativeN/A

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{\color{blue}{k \cdot t}} \]
      12. lower-*.f6467.4

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{\color{blue}{k \cdot t}} \]
    13. Applied egg-rr67.4%

      \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification76.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 175000000000:\\ \;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{\ell}{k \cdot \left(\left(k \cdot t\right) \cdot \left(k \cdot k\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 71.3% accurate, 9.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 175000000000:\\ \;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{\ell}{k \cdot \left(t \cdot \left(k \cdot \left(k \cdot k\right)\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 175000000000.0)
   (* (* l 2.0) (/ l (* k (* t (* k (* k k))))))
   (* (/ l k) (/ (* l -0.3333333333333333) (* k t)))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 175000000000.0) {
		tmp = (l * 2.0) * (l / (k * (t * (k * (k * k)))));
	} else {
		tmp = (l / k) * ((l * -0.3333333333333333) / (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 (k <= 175000000000.0d0) then
        tmp = (l * 2.0d0) * (l / (k * (t * (k * (k * k)))))
    else
        tmp = (l / k) * ((l * (-0.3333333333333333d0)) / (k * t))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 175000000000.0) {
		tmp = (l * 2.0) * (l / (k * (t * (k * (k * k)))));
	} else {
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 175000000000.0:
		tmp = (l * 2.0) * (l / (k * (t * (k * (k * k)))))
	else:
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 175000000000.0)
		tmp = Float64(Float64(l * 2.0) * Float64(l / Float64(k * Float64(t * Float64(k * Float64(k * k))))));
	else
		tmp = Float64(Float64(l / k) * Float64(Float64(l * -0.3333333333333333) / Float64(k * t)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 175000000000.0)
		tmp = (l * 2.0) * (l / (k * (t * (k * (k * k)))));
	else
		tmp = (l / k) * ((l * -0.3333333333333333) / (k * t));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 175000000000.0], N[(N[(l * 2.0), $MachinePrecision] * N[(l / N[(k * N[(t * N[(k * N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l / k), $MachinePrecision] * N[(N[(l * -0.3333333333333333), $MachinePrecision] / N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 175000000000:\\
\;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{\ell}{k \cdot \left(t \cdot \left(k \cdot \left(k \cdot k\right)\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.75e11

    1. Initial program 40.7%

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

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    4. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{4} \cdot t}} \]
      2. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{4} \cdot t}} \]
      3. lower-*.f64N/A

        \[\leadsto \frac{\color{blue}{2 \cdot {\ell}^{2}}}{{k}^{4} \cdot t} \]
      4. unpow2N/A

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

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

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

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot {k}^{\color{blue}{\left(2 \cdot 2\right)}}} \]
      9. pow-sqrN/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \color{blue}{\left({k}^{2} \cdot {k}^{2}\right)}} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot {k}^{2}\right)} \]
      13. unpow2N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\left(k \cdot k\right) \cdot \color{blue}{\left(k \cdot k\right)}\right)} \]
      14. lower-*.f6464.4

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \ell\right)}{t \cdot \left(\left(k \cdot k\right) \cdot \color{blue}{\left(k \cdot k\right)}\right)} \]
    5. Simplified64.4%

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\left(2 \cdot \ell\right)} \cdot \frac{\ell}{t \cdot \left(\left(k \cdot k\right) \cdot \left(k \cdot k\right)\right)} \]
      9. lower-/.f6474.9

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\ell}{k \cdot \left(\color{blue}{\left(k \cdot \left(k \cdot k\right)\right)} \cdot t\right)} \]
      20. lower-*.f6477.2

        \[\leadsto \left(2 \cdot \ell\right) \cdot \frac{\ell}{k \cdot \left(\color{blue}{\left(k \cdot \left(k \cdot k\right)\right)} \cdot t\right)} \]
    7. Applied egg-rr77.2%

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

    if 1.75e11 < k

    1. Initial program 37.9%

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

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

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

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

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

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

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      6. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\cos k \cdot \ell\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\cos k \cdot \ell\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      8. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\ell \cdot \cos k\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      9. lower-*.f64N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \color{blue}{\cos k}\right)\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
      11. unpow2N/A

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

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      13. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      14. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
      15. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      16. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
      17. lower-*.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}\right)} \]
      18. lower-pow.f64N/A

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \color{blue}{{\sin k}^{2}}\right)\right)} \]
      19. lower-sin.f6474.3

        \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\color{blue}{\sin k}}^{2}\right)\right)} \]
    5. Simplified74.3%

      \[\leadsto \color{blue}{\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    6. Taylor expanded in k around 0

      \[\leadsto \color{blue}{\frac{2 \cdot \left({k}^{2} \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
    7. Step-by-step derivation
      1. *-commutativeN/A

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right) \cdot {k}^{2}\right)} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}} \]
      2. associate-*r*N/A

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

        \[\leadsto \color{blue}{\frac{\left(2 \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) \cdot {k}^{2} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
    8. Simplified30.9%

      \[\leadsto \color{blue}{\frac{\frac{\ell \cdot \ell}{t} \cdot \mathsf{fma}\left(k, k \cdot -0.3333333333333333, 2\right)}{\left(k \cdot k\right) \cdot \left(k \cdot k\right)}} \]
    9. Taylor expanded in k around inf

      \[\leadsto \color{blue}{\frac{-1}{3} \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot t}} \]
    10. Step-by-step derivation
      1. associate-*r/N/A

        \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
      2. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
      4. lower-*.f64N/A

        \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
      5. unpow2N/A

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

        \[\leadsto \frac{\color{blue}{\left(\ell \cdot \ell\right)} \cdot \frac{-1}{3}}{{k}^{2} \cdot t} \]
      7. lower-*.f64N/A

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{{k}^{2} \cdot t}} \]
      8. unpow2N/A

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
      9. lower-*.f6463.7

        \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
    11. Simplified63.7%

      \[\leadsto \color{blue}{\frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\left(k \cdot k\right) \cdot t}} \]
    12. Step-by-step derivation
      1. associate-*l*N/A

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

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{\color{blue}{k \cdot \left(k \cdot t\right)}} \]
      3. *-commutativeN/A

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{k \cdot \color{blue}{\left(t \cdot k\right)}} \]
      4. lift-*.f64N/A

        \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{k \cdot \color{blue}{\left(t \cdot k\right)}} \]
      5. times-fracN/A

        \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      6. lower-*.f64N/A

        \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      7. lower-/.f64N/A

        \[\leadsto \color{blue}{\frac{\ell}{k}} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k} \]
      8. lower-/.f64N/A

        \[\leadsto \frac{\ell}{k} \cdot \color{blue}{\frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
      9. lower-*.f6467.4

        \[\leadsto \frac{\ell}{k} \cdot \frac{\color{blue}{\ell \cdot -0.3333333333333333}}{t \cdot k} \]
      10. lift-*.f64N/A

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{\color{blue}{t \cdot k}} \]
      11. *-commutativeN/A

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{\color{blue}{k \cdot t}} \]
      12. lower-*.f6467.4

        \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{\color{blue}{k \cdot t}} \]
    13. Applied egg-rr67.4%

      \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification75.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 175000000000:\\ \;\;\;\;\left(\ell \cdot 2\right) \cdot \frac{\ell}{k \cdot \left(t \cdot \left(k \cdot \left(k \cdot k\right)\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 31.5% accurate, 12.2× speedup?

\[\begin{array}{l} \\ \frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (* (/ l k) (/ (* l -0.3333333333333333) (* k t))))
double code(double t, double l, double k) {
	return (l / k) * ((l * -0.3333333333333333) / (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 = (l / k) * ((l * (-0.3333333333333333d0)) / (k * t))
end function
public static double code(double t, double l, double k) {
	return (l / k) * ((l * -0.3333333333333333) / (k * t));
}
def code(t, l, k):
	return (l / k) * ((l * -0.3333333333333333) / (k * t))
function code(t, l, k)
	return Float64(Float64(l / k) * Float64(Float64(l * -0.3333333333333333) / Float64(k * t)))
end
function tmp = code(t, l, k)
	tmp = (l / k) * ((l * -0.3333333333333333) / (k * t));
end
code[t_, l_, k_] := N[(N[(l / k), $MachinePrecision] * N[(N[(l * -0.3333333333333333), $MachinePrecision] / N[(k * t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}
\end{array}
Derivation
  1. Initial program 40.2%

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

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

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

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

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

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

      \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
    6. *-commutativeN/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\cos k \cdot \ell\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
    7. lower-*.f64N/A

      \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\cos k \cdot \ell\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
    8. *-commutativeN/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\ell \cdot \cos k\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
    9. lower-*.f64N/A

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

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \color{blue}{\cos k}\right)\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
    11. unpow2N/A

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

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    13. *-commutativeN/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
    14. lower-*.f64N/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
    15. *-commutativeN/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    16. lower-*.f64N/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    17. lower-*.f64N/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}\right)} \]
    18. lower-pow.f64N/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \color{blue}{{\sin k}^{2}}\right)\right)} \]
    19. lower-sin.f6475.7

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\color{blue}{\sin k}}^{2}\right)\right)} \]
  5. Simplified75.7%

    \[\leadsto \color{blue}{\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
  6. Taylor expanded in k around 0

    \[\leadsto \color{blue}{\frac{2 \cdot \left({k}^{2} \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
  7. Step-by-step derivation
    1. *-commutativeN/A

      \[\leadsto \frac{2 \cdot \color{blue}{\left(\left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right) \cdot {k}^{2}\right)} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}} \]
    2. associate-*r*N/A

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

      \[\leadsto \color{blue}{\frac{\left(2 \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) \cdot {k}^{2} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
  8. Simplified46.6%

    \[\leadsto \color{blue}{\frac{\frac{\ell \cdot \ell}{t} \cdot \mathsf{fma}\left(k, k \cdot -0.3333333333333333, 2\right)}{\left(k \cdot k\right) \cdot \left(k \cdot k\right)}} \]
  9. Taylor expanded in k around inf

    \[\leadsto \color{blue}{\frac{-1}{3} \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot t}} \]
  10. Step-by-step derivation
    1. associate-*r/N/A

      \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
    2. lower-/.f64N/A

      \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
    3. *-commutativeN/A

      \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
    4. lower-*.f64N/A

      \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
    5. unpow2N/A

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

      \[\leadsto \frac{\color{blue}{\left(\ell \cdot \ell\right)} \cdot \frac{-1}{3}}{{k}^{2} \cdot t} \]
    7. lower-*.f64N/A

      \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{{k}^{2} \cdot t}} \]
    8. unpow2N/A

      \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
    9. lower-*.f6428.3

      \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
  11. Simplified28.3%

    \[\leadsto \color{blue}{\frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\left(k \cdot k\right) \cdot t}} \]
  12. Step-by-step derivation
    1. associate-*l*N/A

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

      \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{\color{blue}{k \cdot \left(k \cdot t\right)}} \]
    3. *-commutativeN/A

      \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{k \cdot \color{blue}{\left(t \cdot k\right)}} \]
    4. lift-*.f64N/A

      \[\leadsto \frac{\ell \cdot \left(\ell \cdot \frac{-1}{3}\right)}{k \cdot \color{blue}{\left(t \cdot k\right)}} \]
    5. times-fracN/A

      \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
    6. lower-*.f64N/A

      \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
    7. lower-/.f64N/A

      \[\leadsto \color{blue}{\frac{\ell}{k}} \cdot \frac{\ell \cdot \frac{-1}{3}}{t \cdot k} \]
    8. lower-/.f64N/A

      \[\leadsto \frac{\ell}{k} \cdot \color{blue}{\frac{\ell \cdot \frac{-1}{3}}{t \cdot k}} \]
    9. lower-*.f6429.6

      \[\leadsto \frac{\ell}{k} \cdot \frac{\color{blue}{\ell \cdot -0.3333333333333333}}{t \cdot k} \]
    10. lift-*.f64N/A

      \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{\color{blue}{t \cdot k}} \]
    11. *-commutativeN/A

      \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot \frac{-1}{3}}{\color{blue}{k \cdot t}} \]
    12. lower-*.f6429.6

      \[\leadsto \frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{\color{blue}{k \cdot t}} \]
  13. Applied egg-rr29.6%

    \[\leadsto \color{blue}{\frac{\ell}{k} \cdot \frac{\ell \cdot -0.3333333333333333}{k \cdot t}} \]
  14. Add Preprocessing

Alternative 16: 30.8% accurate, 14.4× speedup?

\[\begin{array}{l} \\ -0.3333333333333333 \cdot \left(\ell \cdot \frac{\ell}{t \cdot \left(k \cdot k\right)}\right) \end{array} \]
(FPCore (t l k)
 :precision binary64
 (* -0.3333333333333333 (* l (/ l (* t (* k k))))))
double code(double t, double l, double k) {
	return -0.3333333333333333 * (l * (l / (t * (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 = (-0.3333333333333333d0) * (l * (l / (t * (k * k))))
end function
public static double code(double t, double l, double k) {
	return -0.3333333333333333 * (l * (l / (t * (k * k))));
}
def code(t, l, k):
	return -0.3333333333333333 * (l * (l / (t * (k * k))))
function code(t, l, k)
	return Float64(-0.3333333333333333 * Float64(l * Float64(l / Float64(t * Float64(k * k)))))
end
function tmp = code(t, l, k)
	tmp = -0.3333333333333333 * (l * (l / (t * (k * k))));
end
code[t_, l_, k_] := N[(-0.3333333333333333 * N[(l * N[(l / N[(t * N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
-0.3333333333333333 \cdot \left(\ell \cdot \frac{\ell}{t \cdot \left(k \cdot k\right)}\right)
\end{array}
Derivation
  1. Initial program 40.2%

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

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

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

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

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

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

      \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
    6. *-commutativeN/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\cos k \cdot \ell\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
    7. lower-*.f64N/A

      \[\leadsto \frac{2 \cdot \color{blue}{\left(\ell \cdot \left(\cos k \cdot \ell\right)\right)}}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
    8. *-commutativeN/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \color{blue}{\left(\ell \cdot \cos k\right)}\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
    9. lower-*.f64N/A

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

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \color{blue}{\cos k}\right)\right)}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)} \]
    11. unpow2N/A

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

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    13. *-commutativeN/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
    14. lower-*.f64N/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{\color{blue}{k \cdot \left(\left(t \cdot {\sin k}^{2}\right) \cdot k\right)}} \]
    15. *-commutativeN/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    16. lower-*.f64N/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \color{blue}{\left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
    17. lower-*.f64N/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}\right)} \]
    18. lower-pow.f64N/A

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot \color{blue}{{\sin k}^{2}}\right)\right)} \]
    19. lower-sin.f6475.7

      \[\leadsto \frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\color{blue}{\sin k}}^{2}\right)\right)} \]
  5. Simplified75.7%

    \[\leadsto \color{blue}{\frac{2 \cdot \left(\ell \cdot \left(\ell \cdot \cos k\right)\right)}{k \cdot \left(k \cdot \left(t \cdot {\sin k}^{2}\right)\right)}} \]
  6. Taylor expanded in k around 0

    \[\leadsto \color{blue}{\frac{2 \cdot \left({k}^{2} \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
  7. Step-by-step derivation
    1. *-commutativeN/A

      \[\leadsto \frac{2 \cdot \color{blue}{\left(\left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right) \cdot {k}^{2}\right)} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}} \]
    2. associate-*r*N/A

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

      \[\leadsto \color{blue}{\frac{\left(2 \cdot \left(\frac{-1}{2} \cdot \frac{{\ell}^{2}}{t} - \frac{-1}{3} \cdot \frac{{\ell}^{2}}{t}\right)\right) \cdot {k}^{2} + 2 \cdot \frac{{\ell}^{2}}{t}}{{k}^{4}}} \]
  8. Simplified46.6%

    \[\leadsto \color{blue}{\frac{\frac{\ell \cdot \ell}{t} \cdot \mathsf{fma}\left(k, k \cdot -0.3333333333333333, 2\right)}{\left(k \cdot k\right) \cdot \left(k \cdot k\right)}} \]
  9. Taylor expanded in k around inf

    \[\leadsto \color{blue}{\frac{-1}{3} \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot t}} \]
  10. Step-by-step derivation
    1. associate-*r/N/A

      \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
    2. lower-/.f64N/A

      \[\leadsto \color{blue}{\frac{\frac{-1}{3} \cdot {\ell}^{2}}{{k}^{2} \cdot t}} \]
    3. *-commutativeN/A

      \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
    4. lower-*.f64N/A

      \[\leadsto \frac{\color{blue}{{\ell}^{2} \cdot \frac{-1}{3}}}{{k}^{2} \cdot t} \]
    5. unpow2N/A

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

      \[\leadsto \frac{\color{blue}{\left(\ell \cdot \ell\right)} \cdot \frac{-1}{3}}{{k}^{2} \cdot t} \]
    7. lower-*.f64N/A

      \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{{k}^{2} \cdot t}} \]
    8. unpow2N/A

      \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot \frac{-1}{3}}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
    9. lower-*.f6428.3

      \[\leadsto \frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\color{blue}{\left(k \cdot k\right)} \cdot t} \]
  11. Simplified28.3%

    \[\leadsto \color{blue}{\frac{\left(\ell \cdot \ell\right) \cdot -0.3333333333333333}{\left(k \cdot k\right) \cdot t}} \]
  12. Taylor expanded in l around 0

    \[\leadsto \color{blue}{\frac{-1}{3} \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot t}} \]
  13. Step-by-step derivation
    1. lower-*.f64N/A

      \[\leadsto \color{blue}{\frac{-1}{3} \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot t}} \]
    2. unpow2N/A

      \[\leadsto \frac{-1}{3} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{2} \cdot t} \]
    3. associate-/l*N/A

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

      \[\leadsto \frac{-1}{3} \cdot \color{blue}{\left(\ell \cdot \frac{\ell}{{k}^{2} \cdot t}\right)} \]
    5. lower-/.f64N/A

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

      \[\leadsto \frac{-1}{3} \cdot \left(\ell \cdot \frac{\ell}{\color{blue}{{k}^{2} \cdot t}}\right) \]
    7. unpow2N/A

      \[\leadsto \frac{-1}{3} \cdot \left(\ell \cdot \frac{\ell}{\color{blue}{\left(k \cdot k\right)} \cdot t}\right) \]
    8. lower-*.f6429.0

      \[\leadsto -0.3333333333333333 \cdot \left(\ell \cdot \frac{\ell}{\color{blue}{\left(k \cdot k\right)} \cdot t}\right) \]
  14. Simplified29.0%

    \[\leadsto \color{blue}{-0.3333333333333333 \cdot \left(\ell \cdot \frac{\ell}{\left(k \cdot k\right) \cdot t}\right)} \]
  15. Final simplification29.0%

    \[\leadsto -0.3333333333333333 \cdot \left(\ell \cdot \frac{\ell}{t \cdot \left(k \cdot k\right)}\right) \]
  16. Add Preprocessing

Reproduce

?
herbie shell --seed 2024207 
(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))))