Toniolo and Linder, Equation (10+)

Percentage Accurate: 54.6% → 89.3%
Time: 36.6s
Alternatives: 22
Speedup: 3.8×

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 22 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: 54.6% 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: 89.3% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -1 \cdot 10^{-8} \lor \neg \left(t \leq 9.5 \cdot 10^{-87}\right):\\ \;\;\;\;\frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\sqrt[3]{\ell} \cdot \frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (or (<= t -1e-8) (not (<= t 9.5e-87)))
   (/
    (pow
     (* (/ (cbrt (/ 2.0 (tan k))) t) (* (cbrt l) (/ (cbrt l) (cbrt (sin k)))))
     3.0)
    (+ 2.0 (pow (/ k t) 2.0)))
   (* 2.0 (* (/ (* (cos k) (/ l t)) (* k k)) (/ l (pow (sin k) 2.0))))))
double code(double t, double l, double k) {
	double tmp;
	if ((t <= -1e-8) || !(t <= 9.5e-87)) {
		tmp = pow(((cbrt((2.0 / tan(k))) / t) * (cbrt(l) * (cbrt(l) / cbrt(sin(k))))), 3.0) / (2.0 + pow((k / t), 2.0));
	} else {
		tmp = 2.0 * (((cos(k) * (l / t)) / (k * k)) * (l / pow(sin(k), 2.0)));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double tmp;
	if ((t <= -1e-8) || !(t <= 9.5e-87)) {
		tmp = Math.pow(((Math.cbrt((2.0 / Math.tan(k))) / t) * (Math.cbrt(l) * (Math.cbrt(l) / Math.cbrt(Math.sin(k))))), 3.0) / (2.0 + Math.pow((k / t), 2.0));
	} else {
		tmp = 2.0 * (((Math.cos(k) * (l / t)) / (k * k)) * (l / Math.pow(Math.sin(k), 2.0)));
	}
	return tmp;
}
function code(t, l, k)
	tmp = 0.0
	if ((t <= -1e-8) || !(t <= 9.5e-87))
		tmp = Float64((Float64(Float64(cbrt(Float64(2.0 / tan(k))) / t) * Float64(cbrt(l) * Float64(cbrt(l) / cbrt(sin(k))))) ^ 3.0) / Float64(2.0 + (Float64(k / t) ^ 2.0)));
	else
		tmp = Float64(2.0 * Float64(Float64(Float64(cos(k) * Float64(l / t)) / Float64(k * k)) * Float64(l / (sin(k) ^ 2.0))));
	end
	return tmp
end
code[t_, l_, k_] := If[Or[LessEqual[t, -1e-8], N[Not[LessEqual[t, 9.5e-87]], $MachinePrecision]], N[(N[Power[N[(N[(N[Power[N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] / t), $MachinePrecision] * N[(N[Power[l, 1/3], $MachinePrecision] * N[(N[Power[l, 1/3], $MachinePrecision] / N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] / N[(2.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(N[(N[Cos[k], $MachinePrecision] * N[(l / t), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -1 \cdot 10^{-8} \lor \neg \left(t \leq 9.5 \cdot 10^{-87}\right):\\
\;\;\;\;\frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\sqrt[3]{\ell} \cdot \frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < -1e-8 or 9.5e-87 < t

    1. Initial program 64.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*64.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*56.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg56.6%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*64.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative64.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg64.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*64.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified64.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/64.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/64.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt64.3%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr77.3%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus77.2%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval77.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/77.3%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/77.3%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified77.3%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod88.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr88.5%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div96.8%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr96.8%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]

    if -1e-8 < t < 9.5e-87

    1. Initial program 45.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*45.3%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*45.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg45.3%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*45.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative45.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg45.3%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*45.3%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified45.3%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/45.3%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/45.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt45.3%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr63.2%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus63.2%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval63.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/63.2%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/63.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified63.2%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod63.0%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr63.0%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div63.0%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr63.0%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around inf 76.2%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    13. Step-by-step derivation
      1. *-commutative76.2%

        \[\leadsto 2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}} \]
      2. times-frac75.3%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right)} \]
      3. unpow275.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right) \]
      4. unpow275.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{t \cdot {\sin k}^{2}}\right) \]
      5. times-frac84.6%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)}\right) \]
      6. associate-*r*87.1%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
      7. unpow287.1%

        \[\leadsto 2 \cdot \left(\left(\frac{\cos k}{\color{blue}{{k}^{2}}} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      8. associate-*l/87.2%

        \[\leadsto 2 \cdot \left(\color{blue}{\frac{\cos k \cdot \frac{\ell}{t}}{{k}^{2}}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      9. unpow287.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{\color{blue}{k \cdot k}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
    14. Simplified87.2%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification92.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1 \cdot 10^{-8} \lor \neg \left(t \leq 9.5 \cdot 10^{-87}\right):\\ \;\;\;\;\frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\sqrt[3]{\ell} \cdot \frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \]

Alternative 2: 78.2% accurate, 0.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ \mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left(t_1 + 1\right) + 1\right)} \leq 10^{+226}:\\ \;\;\;\;\frac{\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3}}}{2 + t_1}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0)))
   (if (<=
        (/
         2.0
         (*
          (* (tan k) (* (sin k) (/ (pow t 3.0) (* l l))))
          (+ (+ t_1 1.0) 1.0)))
        1e+226)
     (/
      (* (* l l) (/ 2.0 (pow (* (* t (cbrt (sin k))) (cbrt (tan k))) 3.0)))
      (+ 2.0 t_1))
     (* 2.0 (* (/ (* (cos k) (/ l t)) (* k k)) (/ l (pow (sin k) 2.0)))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((tan(k) * (sin(k) * (pow(t, 3.0) / (l * l)))) * ((t_1 + 1.0) + 1.0))) <= 1e+226) {
		tmp = ((l * l) * (2.0 / pow(((t * cbrt(sin(k))) * cbrt(tan(k))), 3.0))) / (2.0 + t_1);
	} else {
		tmp = 2.0 * (((cos(k) * (l / t)) / (k * k)) * (l / pow(sin(k), 2.0)));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = Math.pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((Math.tan(k) * (Math.sin(k) * (Math.pow(t, 3.0) / (l * l)))) * ((t_1 + 1.0) + 1.0))) <= 1e+226) {
		tmp = ((l * l) * (2.0 / Math.pow(((t * Math.cbrt(Math.sin(k))) * Math.cbrt(Math.tan(k))), 3.0))) / (2.0 + t_1);
	} else {
		tmp = 2.0 * (((Math.cos(k) * (l / t)) / (k * k)) * (l / Math.pow(Math.sin(k), 2.0)));
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	tmp = 0.0
	if (Float64(2.0 / Float64(Float64(tan(k) * Float64(sin(k) * Float64((t ^ 3.0) / Float64(l * l)))) * Float64(Float64(t_1 + 1.0) + 1.0))) <= 1e+226)
		tmp = Float64(Float64(Float64(l * l) * Float64(2.0 / (Float64(Float64(t * cbrt(sin(k))) * cbrt(tan(k))) ^ 3.0))) / Float64(2.0 + t_1));
	else
		tmp = Float64(2.0 * Float64(Float64(Float64(cos(k) * Float64(l / t)) / Float64(k * k)) * Float64(l / (sin(k) ^ 2.0))));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]}, If[LessEqual[N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(t$95$1 + 1.0), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 1e+226], N[(N[(N[(l * l), $MachinePrecision] * N[(2.0 / N[Power[N[(N[(t * N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision] * N[Power[N[Tan[k], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(2.0 + t$95$1), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(N[(N[Cos[k], $MachinePrecision] * N[(l / t), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{k}{t}\right)}^{2}\\
\mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left(t_1 + 1\right) + 1\right)} \leq 10^{+226}:\\
\;\;\;\;\frac{\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3}}}{2 + t_1}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1))) < 9.99999999999999961e225

    1. Initial program 79.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*79.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*71.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg71.9%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg79.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-*l/80.0%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      8. associate-*r/78.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      9. associate-/r/79.1%

        \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified79.1%

      \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt78.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\sqrt[3]{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \sqrt[3]{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}\right) \cdot \sqrt[3]{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}}} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow378.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}\right)}^{3}}} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. *-commutative78.9%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt[3]{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}}\right)}^{3}} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. cbrt-prod78.9%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt[3]{{t}^{3} \cdot \sin k} \cdot \sqrt[3]{\tan k}\right)}}^{3}} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. cbrt-prod78.7%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\sin k}\right)} \cdot \sqrt[3]{\tan k}\right)}^{3}} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. rem-cbrt-cube88.0%

        \[\leadsto \frac{\frac{2}{{\left(\left(\color{blue}{t} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3}} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr88.0%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3}}} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}} \]

    if 9.99999999999999961e225 < (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1)))

    1. Initial program 23.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*23.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg23.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg23.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*23.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified23.4%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/23.4%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt23.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr46.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus46.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval46.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/46.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/46.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified46.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod57.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr57.2%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div62.3%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr62.3%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around inf 60.1%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    13. Step-by-step derivation
      1. *-commutative60.1%

        \[\leadsto 2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}} \]
      2. times-frac59.2%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right)} \]
      3. unpow259.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right) \]
      4. unpow259.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{t \cdot {\sin k}^{2}}\right) \]
      5. times-frac72.0%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)}\right) \]
      6. associate-*r*74.8%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
      7. unpow274.8%

        \[\leadsto 2 \cdot \left(\left(\frac{\cos k}{\color{blue}{{k}^{2}}} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      8. associate-*l/74.9%

        \[\leadsto 2 \cdot \left(\color{blue}{\frac{\cos k \cdot \frac{\ell}{t}}{{k}^{2}}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      9. unpow274.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{\color{blue}{k \cdot k}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
    14. Simplified74.9%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification82.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left({\left(\frac{k}{t}\right)}^{2} + 1\right) + 1\right)} \leq 10^{+226}:\\ \;\;\;\;\frac{\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \]

Alternative 3: 80.8% accurate, 0.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ \mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left(t_1 + 1\right) + 1\right)} \leq 10^{+226}:\\ \;\;\;\;\frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\ell \cdot \frac{\ell}{\sin k}}\right)}^{3}}{2 + t_1}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0)))
   (if (<=
        (/
         2.0
         (*
          (* (tan k) (* (sin k) (/ (pow t 3.0) (* l l))))
          (+ (+ t_1 1.0) 1.0)))
        1e+226)
     (/
      (pow (* (/ (cbrt (/ 2.0 (tan k))) t) (cbrt (* l (/ l (sin k))))) 3.0)
      (+ 2.0 t_1))
     (* 2.0 (* (/ (* (cos k) (/ l t)) (* k k)) (/ l (pow (sin k) 2.0)))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((tan(k) * (sin(k) * (pow(t, 3.0) / (l * l)))) * ((t_1 + 1.0) + 1.0))) <= 1e+226) {
		tmp = pow(((cbrt((2.0 / tan(k))) / t) * cbrt((l * (l / sin(k))))), 3.0) / (2.0 + t_1);
	} else {
		tmp = 2.0 * (((cos(k) * (l / t)) / (k * k)) * (l / pow(sin(k), 2.0)));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = Math.pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((Math.tan(k) * (Math.sin(k) * (Math.pow(t, 3.0) / (l * l)))) * ((t_1 + 1.0) + 1.0))) <= 1e+226) {
		tmp = Math.pow(((Math.cbrt((2.0 / Math.tan(k))) / t) * Math.cbrt((l * (l / Math.sin(k))))), 3.0) / (2.0 + t_1);
	} else {
		tmp = 2.0 * (((Math.cos(k) * (l / t)) / (k * k)) * (l / Math.pow(Math.sin(k), 2.0)));
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	tmp = 0.0
	if (Float64(2.0 / Float64(Float64(tan(k) * Float64(sin(k) * Float64((t ^ 3.0) / Float64(l * l)))) * Float64(Float64(t_1 + 1.0) + 1.0))) <= 1e+226)
		tmp = Float64((Float64(Float64(cbrt(Float64(2.0 / tan(k))) / t) * cbrt(Float64(l * Float64(l / sin(k))))) ^ 3.0) / Float64(2.0 + t_1));
	else
		tmp = Float64(2.0 * Float64(Float64(Float64(cos(k) * Float64(l / t)) / Float64(k * k)) * Float64(l / (sin(k) ^ 2.0))));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]}, If[LessEqual[N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(t$95$1 + 1.0), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 1e+226], N[(N[Power[N[(N[(N[Power[N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] / t), $MachinePrecision] * N[Power[N[(l * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] / N[(2.0 + t$95$1), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(N[(N[Cos[k], $MachinePrecision] * N[(l / t), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{k}{t}\right)}^{2}\\
\mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left(t_1 + 1\right) + 1\right)} \leq 10^{+226}:\\
\;\;\;\;\frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\ell \cdot \frac{\ell}{\sin k}}\right)}^{3}}{2 + t_1}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1))) < 9.99999999999999961e225

    1. Initial program 79.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*79.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*71.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg71.9%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg79.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*79.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified79.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/79.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt79.3%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr88.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus88.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval88.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/88.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/88.7%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified88.7%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]

    if 9.99999999999999961e225 < (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1)))

    1. Initial program 23.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*23.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg23.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg23.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*23.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified23.4%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/23.4%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt23.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr46.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus46.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval46.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/46.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/46.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified46.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod57.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr57.2%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div62.3%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr62.3%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around inf 60.1%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    13. Step-by-step derivation
      1. *-commutative60.1%

        \[\leadsto 2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}} \]
      2. times-frac59.2%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right)} \]
      3. unpow259.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right) \]
      4. unpow259.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{t \cdot {\sin k}^{2}}\right) \]
      5. times-frac72.0%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)}\right) \]
      6. associate-*r*74.8%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
      7. unpow274.8%

        \[\leadsto 2 \cdot \left(\left(\frac{\cos k}{\color{blue}{{k}^{2}}} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      8. associate-*l/74.9%

        \[\leadsto 2 \cdot \left(\color{blue}{\frac{\cos k \cdot \frac{\ell}{t}}{{k}^{2}}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      9. unpow274.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{\color{blue}{k \cdot k}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
    14. Simplified74.9%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification82.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left({\left(\frac{k}{t}\right)}^{2} + 1\right) + 1\right)} \leq 10^{+226}:\\ \;\;\;\;\frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\ell \cdot \frac{\ell}{\sin k}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \]

Alternative 4: 78.3% accurate, 0.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ \mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left(t_1 + 1\right) + 1\right)} \leq 10^{+226}:\\ \;\;\;\;{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{\ell \cdot \frac{\ell}{\sin k}}{2 + t_1}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0)))
   (if (<=
        (/
         2.0
         (*
          (* (tan k) (* (sin k) (/ (pow t 3.0) (* l l))))
          (+ (+ t_1 1.0) 1.0)))
        1e+226)
     (*
      (pow (/ (cbrt (/ 2.0 (tan k))) t) 3.0)
      (/ (* l (/ l (sin k))) (+ 2.0 t_1)))
     (* 2.0 (* (/ (* (cos k) (/ l t)) (* k k)) (/ l (pow (sin k) 2.0)))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((tan(k) * (sin(k) * (pow(t, 3.0) / (l * l)))) * ((t_1 + 1.0) + 1.0))) <= 1e+226) {
		tmp = pow((cbrt((2.0 / tan(k))) / t), 3.0) * ((l * (l / sin(k))) / (2.0 + t_1));
	} else {
		tmp = 2.0 * (((cos(k) * (l / t)) / (k * k)) * (l / pow(sin(k), 2.0)));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = Math.pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((Math.tan(k) * (Math.sin(k) * (Math.pow(t, 3.0) / (l * l)))) * ((t_1 + 1.0) + 1.0))) <= 1e+226) {
		tmp = Math.pow((Math.cbrt((2.0 / Math.tan(k))) / t), 3.0) * ((l * (l / Math.sin(k))) / (2.0 + t_1));
	} else {
		tmp = 2.0 * (((Math.cos(k) * (l / t)) / (k * k)) * (l / Math.pow(Math.sin(k), 2.0)));
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	tmp = 0.0
	if (Float64(2.0 / Float64(Float64(tan(k) * Float64(sin(k) * Float64((t ^ 3.0) / Float64(l * l)))) * Float64(Float64(t_1 + 1.0) + 1.0))) <= 1e+226)
		tmp = Float64((Float64(cbrt(Float64(2.0 / tan(k))) / t) ^ 3.0) * Float64(Float64(l * Float64(l / sin(k))) / Float64(2.0 + t_1)));
	else
		tmp = Float64(2.0 * Float64(Float64(Float64(cos(k) * Float64(l / t)) / Float64(k * k)) * Float64(l / (sin(k) ^ 2.0))));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]}, If[LessEqual[N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(t$95$1 + 1.0), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 1e+226], N[(N[Power[N[(N[Power[N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] / t), $MachinePrecision], 3.0], $MachinePrecision] * N[(N[(l * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(2.0 + t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(N[(N[Cos[k], $MachinePrecision] * N[(l / t), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{k}{t}\right)}^{2}\\
\mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left(t_1 + 1\right) + 1\right)} \leq 10^{+226}:\\
\;\;\;\;{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{\ell \cdot \frac{\ell}{\sin k}}{2 + t_1}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1))) < 9.99999999999999961e225

    1. Initial program 79.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*79.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*71.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg71.9%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg79.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*79.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified79.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/79.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt79.3%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr88.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus88.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval88.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/88.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/88.7%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified88.7%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. div-inv88.7%

        \[\leadsto \color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
      2. *-commutative88.7%

        \[\leadsto {\color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k} \cdot \ell} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-*l/86.3%

        \[\leadsto {\left(\sqrt[3]{\color{blue}{\frac{\ell \cdot \ell}{\sin k}}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr86.3%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    10. Step-by-step derivation
      1. associate-*r/86.3%

        \[\leadsto \color{blue}{\frac{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot 1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
      2. *-rgt-identity86.3%

        \[\leadsto \frac{\color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cube-prod84.3%

        \[\leadsto \frac{\color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}}\right)}^{3} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. unpow284.3%

        \[\leadsto \frac{{\left(\sqrt[3]{\frac{\color{blue}{{\ell}^{2}}}{\sin k}}\right)}^{3} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. rem-cube-cbrt84.3%

        \[\leadsto \frac{\color{blue}{\frac{{\ell}^{2}}{\sin k}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. associate-/l*83.7%

        \[\leadsto \color{blue}{\frac{\frac{{\ell}^{2}}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
      7. unpow283.7%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \ell}}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      8. associate-/l*85.5%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{\frac{\sin k}{\ell}}}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      9. associate-/r/85.5%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
    11. Simplified85.5%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\sin k} \cdot \ell}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
    12. Step-by-step derivation
      1. *-un-lft-identity85.5%

        \[\leadsto \color{blue}{1 \cdot \frac{\frac{\ell}{\sin k} \cdot \ell}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
      2. associate-/r/85.3%

        \[\leadsto 1 \cdot \color{blue}{\left(\frac{\frac{\ell}{\sin k} \cdot \ell}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}\right)} \]
      3. *-commutative85.3%

        \[\leadsto 1 \cdot \left(\frac{\color{blue}{\ell \cdot \frac{\ell}{\sin k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}\right) \]
    13. Applied egg-rr85.3%

      \[\leadsto \color{blue}{1 \cdot \left(\frac{\ell \cdot \frac{\ell}{\sin k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}\right)} \]
    14. Step-by-step derivation
      1. *-lft-identity85.3%

        \[\leadsto \color{blue}{\frac{\ell \cdot \frac{\ell}{\sin k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}} \]
    15. Simplified85.3%

      \[\leadsto \color{blue}{\frac{\ell \cdot \frac{\ell}{\sin k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}} \]

    if 9.99999999999999961e225 < (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1)))

    1. Initial program 23.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*23.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg23.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg23.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*23.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified23.4%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/23.4%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt23.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr46.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus46.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval46.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/46.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/46.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified46.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod57.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr57.2%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div62.3%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr62.3%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around inf 60.1%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    13. Step-by-step derivation
      1. *-commutative60.1%

        \[\leadsto 2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}} \]
      2. times-frac59.2%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right)} \]
      3. unpow259.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right) \]
      4. unpow259.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{t \cdot {\sin k}^{2}}\right) \]
      5. times-frac72.0%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)}\right) \]
      6. associate-*r*74.8%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
      7. unpow274.8%

        \[\leadsto 2 \cdot \left(\left(\frac{\cos k}{\color{blue}{{k}^{2}}} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      8. associate-*l/74.9%

        \[\leadsto 2 \cdot \left(\color{blue}{\frac{\cos k \cdot \frac{\ell}{t}}{{k}^{2}}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      9. unpow274.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{\color{blue}{k \cdot k}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
    14. Simplified74.9%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification80.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left({\left(\frac{k}{t}\right)}^{2} + 1\right) + 1\right)} \leq 10^{+226}:\\ \;\;\;\;{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{\ell \cdot \frac{\ell}{\sin k}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \]

Alternative 5: 78.2% accurate, 0.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ \mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left(t_1 + 1\right) + 1\right)} \leq 10^{+226}:\\ \;\;\;\;\frac{\ell \cdot \frac{\ell}{\sin k}}{\frac{2 + t_1}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0)))
   (if (<=
        (/
         2.0
         (*
          (* (tan k) (* (sin k) (/ (pow t 3.0) (* l l))))
          (+ (+ t_1 1.0) 1.0)))
        1e+226)
     (/
      (* l (/ l (sin k)))
      (/ (+ 2.0 t_1) (pow (/ (cbrt (/ 2.0 (tan k))) t) 3.0)))
     (* 2.0 (* (/ (* (cos k) (/ l t)) (* k k)) (/ l (pow (sin k) 2.0)))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((tan(k) * (sin(k) * (pow(t, 3.0) / (l * l)))) * ((t_1 + 1.0) + 1.0))) <= 1e+226) {
		tmp = (l * (l / sin(k))) / ((2.0 + t_1) / pow((cbrt((2.0 / tan(k))) / t), 3.0));
	} else {
		tmp = 2.0 * (((cos(k) * (l / t)) / (k * k)) * (l / pow(sin(k), 2.0)));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = Math.pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((Math.tan(k) * (Math.sin(k) * (Math.pow(t, 3.0) / (l * l)))) * ((t_1 + 1.0) + 1.0))) <= 1e+226) {
		tmp = (l * (l / Math.sin(k))) / ((2.0 + t_1) / Math.pow((Math.cbrt((2.0 / Math.tan(k))) / t), 3.0));
	} else {
		tmp = 2.0 * (((Math.cos(k) * (l / t)) / (k * k)) * (l / Math.pow(Math.sin(k), 2.0)));
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	tmp = 0.0
	if (Float64(2.0 / Float64(Float64(tan(k) * Float64(sin(k) * Float64((t ^ 3.0) / Float64(l * l)))) * Float64(Float64(t_1 + 1.0) + 1.0))) <= 1e+226)
		tmp = Float64(Float64(l * Float64(l / sin(k))) / Float64(Float64(2.0 + t_1) / (Float64(cbrt(Float64(2.0 / tan(k))) / t) ^ 3.0)));
	else
		tmp = Float64(2.0 * Float64(Float64(Float64(cos(k) * Float64(l / t)) / Float64(k * k)) * Float64(l / (sin(k) ^ 2.0))));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]}, If[LessEqual[N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(t$95$1 + 1.0), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 1e+226], N[(N[(l * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[(2.0 + t$95$1), $MachinePrecision] / N[Power[N[(N[Power[N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] / t), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(N[(N[Cos[k], $MachinePrecision] * N[(l / t), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{k}{t}\right)}^{2}\\
\mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left(t_1 + 1\right) + 1\right)} \leq 10^{+226}:\\
\;\;\;\;\frac{\ell \cdot \frac{\ell}{\sin k}}{\frac{2 + t_1}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1))) < 9.99999999999999961e225

    1. Initial program 79.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*79.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*71.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg71.9%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg79.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*79.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified79.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/79.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt79.3%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr88.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus88.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval88.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/88.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/88.7%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified88.7%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. div-inv88.7%

        \[\leadsto \color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
      2. *-commutative88.7%

        \[\leadsto {\color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k} \cdot \ell} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-*l/86.3%

        \[\leadsto {\left(\sqrt[3]{\color{blue}{\frac{\ell \cdot \ell}{\sin k}}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr86.3%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    10. Step-by-step derivation
      1. associate-*r/86.3%

        \[\leadsto \color{blue}{\frac{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot 1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
      2. *-rgt-identity86.3%

        \[\leadsto \frac{\color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cube-prod84.3%

        \[\leadsto \frac{\color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}}\right)}^{3} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. unpow284.3%

        \[\leadsto \frac{{\left(\sqrt[3]{\frac{\color{blue}{{\ell}^{2}}}{\sin k}}\right)}^{3} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. rem-cube-cbrt84.3%

        \[\leadsto \frac{\color{blue}{\frac{{\ell}^{2}}{\sin k}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. associate-/l*83.7%

        \[\leadsto \color{blue}{\frac{\frac{{\ell}^{2}}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
      7. unpow283.7%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \ell}}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      8. associate-/l*85.5%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{\frac{\sin k}{\ell}}}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      9. associate-/r/85.5%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
    11. Simplified85.5%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\sin k} \cdot \ell}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]

    if 9.99999999999999961e225 < (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1)))

    1. Initial program 23.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*23.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg23.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg23.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*23.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified23.4%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/23.4%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt23.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr46.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus46.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval46.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/46.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/46.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified46.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod57.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr57.2%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div62.3%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr62.3%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around inf 60.1%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    13. Step-by-step derivation
      1. *-commutative60.1%

        \[\leadsto 2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}} \]
      2. times-frac59.2%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right)} \]
      3. unpow259.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right) \]
      4. unpow259.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{t \cdot {\sin k}^{2}}\right) \]
      5. times-frac72.0%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)}\right) \]
      6. associate-*r*74.8%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
      7. unpow274.8%

        \[\leadsto 2 \cdot \left(\left(\frac{\cos k}{\color{blue}{{k}^{2}}} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      8. associate-*l/74.9%

        \[\leadsto 2 \cdot \left(\color{blue}{\frac{\cos k \cdot \frac{\ell}{t}}{{k}^{2}}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      9. unpow274.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{\color{blue}{k \cdot k}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
    14. Simplified74.9%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification81.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left({\left(\frac{k}{t}\right)}^{2} + 1\right) + 1\right)} \leq 10^{+226}:\\ \;\;\;\;\frac{\ell \cdot \frac{\ell}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \]

Alternative 6: 78.3% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ \mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left(t_1 + 1\right) + 1\right)} \leq 10^{+226}:\\ \;\;\;\;\frac{\ell}{\sin k} \cdot \left(\ell \cdot \frac{\frac{\frac{2}{\tan k}}{{t}^{3}}}{2 + t_1}\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0)))
   (if (<=
        (/
         2.0
         (*
          (* (tan k) (* (sin k) (/ (pow t 3.0) (* l l))))
          (+ (+ t_1 1.0) 1.0)))
        1e+226)
     (* (/ l (sin k)) (* l (/ (/ (/ 2.0 (tan k)) (pow t 3.0)) (+ 2.0 t_1))))
     (* 2.0 (* (/ (* (cos k) (/ l t)) (* k k)) (/ l (pow (sin k) 2.0)))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((tan(k) * (sin(k) * (pow(t, 3.0) / (l * l)))) * ((t_1 + 1.0) + 1.0))) <= 1e+226) {
		tmp = (l / sin(k)) * (l * (((2.0 / tan(k)) / pow(t, 3.0)) / (2.0 + t_1)));
	} else {
		tmp = 2.0 * (((cos(k) * (l / t)) / (k * k)) * (l / pow(sin(k), 2.0)));
	}
	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 / t) ** 2.0d0
    if ((2.0d0 / ((tan(k) * (sin(k) * ((t ** 3.0d0) / (l * l)))) * ((t_1 + 1.0d0) + 1.0d0))) <= 1d+226) then
        tmp = (l / sin(k)) * (l * (((2.0d0 / tan(k)) / (t ** 3.0d0)) / (2.0d0 + t_1)))
    else
        tmp = 2.0d0 * (((cos(k) * (l / t)) / (k * k)) * (l / (sin(k) ** 2.0d0)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = Math.pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((Math.tan(k) * (Math.sin(k) * (Math.pow(t, 3.0) / (l * l)))) * ((t_1 + 1.0) + 1.0))) <= 1e+226) {
		tmp = (l / Math.sin(k)) * (l * (((2.0 / Math.tan(k)) / Math.pow(t, 3.0)) / (2.0 + t_1)));
	} else {
		tmp = 2.0 * (((Math.cos(k) * (l / t)) / (k * k)) * (l / Math.pow(Math.sin(k), 2.0)));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = math.pow((k / t), 2.0)
	tmp = 0
	if (2.0 / ((math.tan(k) * (math.sin(k) * (math.pow(t, 3.0) / (l * l)))) * ((t_1 + 1.0) + 1.0))) <= 1e+226:
		tmp = (l / math.sin(k)) * (l * (((2.0 / math.tan(k)) / math.pow(t, 3.0)) / (2.0 + t_1)))
	else:
		tmp = 2.0 * (((math.cos(k) * (l / t)) / (k * k)) * (l / math.pow(math.sin(k), 2.0)))
	return tmp
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	tmp = 0.0
	if (Float64(2.0 / Float64(Float64(tan(k) * Float64(sin(k) * Float64((t ^ 3.0) / Float64(l * l)))) * Float64(Float64(t_1 + 1.0) + 1.0))) <= 1e+226)
		tmp = Float64(Float64(l / sin(k)) * Float64(l * Float64(Float64(Float64(2.0 / tan(k)) / (t ^ 3.0)) / Float64(2.0 + t_1))));
	else
		tmp = Float64(2.0 * Float64(Float64(Float64(cos(k) * Float64(l / t)) / Float64(k * k)) * Float64(l / (sin(k) ^ 2.0))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = (k / t) ^ 2.0;
	tmp = 0.0;
	if ((2.0 / ((tan(k) * (sin(k) * ((t ^ 3.0) / (l * l)))) * ((t_1 + 1.0) + 1.0))) <= 1e+226)
		tmp = (l / sin(k)) * (l * (((2.0 / tan(k)) / (t ^ 3.0)) / (2.0 + t_1)));
	else
		tmp = 2.0 * (((cos(k) * (l / t)) / (k * k)) * (l / (sin(k) ^ 2.0)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]}, If[LessEqual[N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(t$95$1 + 1.0), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 1e+226], N[(N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[(l * N[(N[(N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision] / N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision] / N[(2.0 + t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(N[(N[Cos[k], $MachinePrecision] * N[(l / t), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{k}{t}\right)}^{2}\\
\mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left(t_1 + 1\right) + 1\right)} \leq 10^{+226}:\\
\;\;\;\;\frac{\ell}{\sin k} \cdot \left(\ell \cdot \frac{\frac{\frac{2}{\tan k}}{{t}^{3}}}{2 + t_1}\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1))) < 9.99999999999999961e225

    1. Initial program 79.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*79.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*71.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg71.9%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg79.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*79.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified79.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/79.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/79.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt79.3%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr88.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus88.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval88.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/88.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/88.7%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified88.7%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. div-inv88.7%

        \[\leadsto \color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
      2. *-commutative88.7%

        \[\leadsto {\color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k} \cdot \ell} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-*l/86.3%

        \[\leadsto {\left(\sqrt[3]{\color{blue}{\frac{\ell \cdot \ell}{\sin k}}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr86.3%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    10. Step-by-step derivation
      1. associate-*r/86.3%

        \[\leadsto \color{blue}{\frac{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot 1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
      2. *-rgt-identity86.3%

        \[\leadsto \frac{\color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cube-prod84.3%

        \[\leadsto \frac{\color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}}\right)}^{3} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. unpow284.3%

        \[\leadsto \frac{{\left(\sqrt[3]{\frac{\color{blue}{{\ell}^{2}}}{\sin k}}\right)}^{3} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. rem-cube-cbrt84.3%

        \[\leadsto \frac{\color{blue}{\frac{{\ell}^{2}}{\sin k}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. associate-/l*83.7%

        \[\leadsto \color{blue}{\frac{\frac{{\ell}^{2}}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
      7. unpow283.7%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \ell}}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      8. associate-/l*85.5%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{\frac{\sin k}{\ell}}}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      9. associate-/r/85.5%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
    11. Simplified85.5%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\sin k} \cdot \ell}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
    12. Step-by-step derivation
      1. div-inv85.5%

        \[\leadsto \color{blue}{\left(\frac{\ell}{\sin k} \cdot \ell\right) \cdot \frac{1}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
      2. *-commutative85.5%

        \[\leadsto \color{blue}{\left(\ell \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{1}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
    13. Applied egg-rr85.5%

      \[\leadsto \color{blue}{\left(\ell \cdot \frac{\ell}{\sin k}\right) \cdot \frac{1}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
    14. Step-by-step derivation
      1. *-commutative85.5%

        \[\leadsto \color{blue}{\left(\frac{\ell}{\sin k} \cdot \ell\right)} \cdot \frac{1}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      2. associate-*l*86.5%

        \[\leadsto \color{blue}{\frac{\ell}{\sin k} \cdot \left(\ell \cdot \frac{1}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}\right)} \]
      3. associate-/r/86.4%

        \[\leadsto \frac{\ell}{\sin k} \cdot \left(\ell \cdot \color{blue}{\left(\frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}\right)}\right) \]
      4. associate-*l/86.5%

        \[\leadsto \frac{\ell}{\sin k} \cdot \left(\ell \cdot \color{blue}{\frac{1 \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}}\right) \]
      5. metadata-eval86.5%

        \[\leadsto \frac{\ell}{\sin k} \cdot \left(\ell \cdot \frac{\color{blue}{{1}^{3}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\right) \]
      6. cube-prod86.5%

        \[\leadsto \frac{\ell}{\sin k} \cdot \left(\ell \cdot \frac{\color{blue}{{\left(1 \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}}\right) \]
      7. *-lft-identity86.5%

        \[\leadsto \frac{\ell}{\sin k} \cdot \left(\ell \cdot \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\right) \]
      8. cube-div83.8%

        \[\leadsto \frac{\ell}{\sin k} \cdot \left(\ell \cdot \frac{\color{blue}{\frac{{\left(\sqrt[3]{\frac{2}{\tan k}}\right)}^{3}}{{t}^{3}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}\right) \]
      9. rem-cube-cbrt84.0%

        \[\leadsto \frac{\ell}{\sin k} \cdot \left(\ell \cdot \frac{\frac{\color{blue}{\frac{2}{\tan k}}}{{t}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}}\right) \]
    15. Simplified84.0%

      \[\leadsto \color{blue}{\frac{\ell}{\sin k} \cdot \left(\ell \cdot \frac{\frac{\frac{2}{\tan k}}{{t}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}}\right)} \]

    if 9.99999999999999961e225 < (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1)))

    1. Initial program 23.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*23.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg23.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg23.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*23.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified23.4%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/23.4%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/23.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt23.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr46.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus46.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval46.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/46.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/46.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified46.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod57.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr57.2%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div62.3%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr62.3%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around inf 60.1%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    13. Step-by-step derivation
      1. *-commutative60.1%

        \[\leadsto 2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}} \]
      2. times-frac59.2%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right)} \]
      3. unpow259.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right) \]
      4. unpow259.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{t \cdot {\sin k}^{2}}\right) \]
      5. times-frac72.0%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)}\right) \]
      6. associate-*r*74.8%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
      7. unpow274.8%

        \[\leadsto 2 \cdot \left(\left(\frac{\cos k}{\color{blue}{{k}^{2}}} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      8. associate-*l/74.9%

        \[\leadsto 2 \cdot \left(\color{blue}{\frac{\cos k \cdot \frac{\ell}{t}}{{k}^{2}}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      9. unpow274.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{\color{blue}{k \cdot k}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
    14. Simplified74.9%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \cdot \left(\left({\left(\frac{k}{t}\right)}^{2} + 1\right) + 1\right)} \leq 10^{+226}:\\ \;\;\;\;\frac{\ell}{\sin k} \cdot \left(\ell \cdot \frac{\frac{\frac{2}{\tan k}}{{t}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}}\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \]

Alternative 7: 86.4% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -3.3 \cdot 10^{-7} \lor \neg \left(t \leq 5.8 \cdot 10^{-87}\right):\\ \;\;\;\;\frac{{\left(\sqrt[3]{\ell} \cdot \left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (or (<= t -3.3e-7) (not (<= t 5.8e-87)))
   (/
    (pow
     (* (cbrt l) (* (/ (cbrt (/ 2.0 (tan k))) t) (cbrt (/ l (sin k)))))
     3.0)
    (+ 2.0 (pow (/ k t) 2.0)))
   (* 2.0 (* (/ (* (cos k) (/ l t)) (* k k)) (/ l (pow (sin k) 2.0))))))
double code(double t, double l, double k) {
	double tmp;
	if ((t <= -3.3e-7) || !(t <= 5.8e-87)) {
		tmp = pow((cbrt(l) * ((cbrt((2.0 / tan(k))) / t) * cbrt((l / sin(k))))), 3.0) / (2.0 + pow((k / t), 2.0));
	} else {
		tmp = 2.0 * (((cos(k) * (l / t)) / (k * k)) * (l / pow(sin(k), 2.0)));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double tmp;
	if ((t <= -3.3e-7) || !(t <= 5.8e-87)) {
		tmp = Math.pow((Math.cbrt(l) * ((Math.cbrt((2.0 / Math.tan(k))) / t) * Math.cbrt((l / Math.sin(k))))), 3.0) / (2.0 + Math.pow((k / t), 2.0));
	} else {
		tmp = 2.0 * (((Math.cos(k) * (l / t)) / (k * k)) * (l / Math.pow(Math.sin(k), 2.0)));
	}
	return tmp;
}
function code(t, l, k)
	tmp = 0.0
	if ((t <= -3.3e-7) || !(t <= 5.8e-87))
		tmp = Float64((Float64(cbrt(l) * Float64(Float64(cbrt(Float64(2.0 / tan(k))) / t) * cbrt(Float64(l / sin(k))))) ^ 3.0) / Float64(2.0 + (Float64(k / t) ^ 2.0)));
	else
		tmp = Float64(2.0 * Float64(Float64(Float64(cos(k) * Float64(l / t)) / Float64(k * k)) * Float64(l / (sin(k) ^ 2.0))));
	end
	return tmp
end
code[t_, l_, k_] := If[Or[LessEqual[t, -3.3e-7], N[Not[LessEqual[t, 5.8e-87]], $MachinePrecision]], N[(N[Power[N[(N[Power[l, 1/3], $MachinePrecision] * N[(N[(N[Power[N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] / t), $MachinePrecision] * N[Power[N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] / N[(2.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(N[(N[Cos[k], $MachinePrecision] * N[(l / t), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -3.3 \cdot 10^{-7} \lor \neg \left(t \leq 5.8 \cdot 10^{-87}\right):\\
\;\;\;\;\frac{{\left(\sqrt[3]{\ell} \cdot \left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < -3.3000000000000002e-7 or 5.7999999999999998e-87 < t

    1. Initial program 64.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*64.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*56.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg56.6%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*64.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative64.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg64.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*64.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified64.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/64.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/64.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt64.3%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr77.3%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus77.2%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval77.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/77.3%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/77.3%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified77.3%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod88.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr88.5%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div96.8%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr96.8%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Step-by-step derivation
      1. associate-*l/95.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \left(\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}} \cdot \sqrt[3]{\ell}\right)}{t}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. *-commutative95.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \color{blue}{\left(\sqrt[3]{\ell} \cdot \frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}\right)}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cbrt-undiv88.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \left(\sqrt[3]{\ell} \cdot \color{blue}{\sqrt[3]{\frac{\ell}{\sin k}}}\right)}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    13. Applied egg-rr88.5%

      \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \left(\sqrt[3]{\ell} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right)}{t}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    14. Step-by-step derivation
      1. associate-*l/88.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\sqrt[3]{\ell} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right)\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. *-commutative88.5%

        \[\leadsto \frac{{\color{blue}{\left(\left(\sqrt[3]{\ell} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right) \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-*l*88.5%

        \[\leadsto \frac{{\color{blue}{\left(\sqrt[3]{\ell} \cdot \left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    15. Simplified88.5%

      \[\leadsto \frac{{\color{blue}{\left(\sqrt[3]{\ell} \cdot \left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]

    if -3.3000000000000002e-7 < t < 5.7999999999999998e-87

    1. Initial program 45.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*45.3%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*45.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg45.3%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*45.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative45.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg45.3%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*45.3%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified45.3%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/45.3%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/45.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt45.3%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr63.2%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus63.2%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval63.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/63.2%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/63.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified63.2%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod63.0%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr63.0%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div63.0%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr63.0%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around inf 76.2%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    13. Step-by-step derivation
      1. *-commutative76.2%

        \[\leadsto 2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}} \]
      2. times-frac75.3%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right)} \]
      3. unpow275.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right) \]
      4. unpow275.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{t \cdot {\sin k}^{2}}\right) \]
      5. times-frac84.6%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)}\right) \]
      6. associate-*r*87.1%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
      7. unpow287.1%

        \[\leadsto 2 \cdot \left(\left(\frac{\cos k}{\color{blue}{{k}^{2}}} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      8. associate-*l/87.2%

        \[\leadsto 2 \cdot \left(\color{blue}{\frac{\cos k \cdot \frac{\ell}{t}}{{k}^{2}}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      9. unpow287.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{\color{blue}{k \cdot k}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
    14. Simplified87.2%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification87.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -3.3 \cdot 10^{-7} \lor \neg \left(t \leq 5.8 \cdot 10^{-87}\right):\\ \;\;\;\;\frac{{\left(\sqrt[3]{\ell} \cdot \left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \]

Alternative 8: 86.4% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \sqrt[3]{\frac{\ell}{\sin k}}\\ t_2 := 2 + {\left(\frac{k}{t}\right)}^{2}\\ t_3 := \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\\ \mathbf{if}\;t \leq -2.2 \cdot 10^{-7}:\\ \;\;\;\;\frac{{\left(\sqrt[3]{\ell} \cdot \left(t_3 \cdot t_1\right)\right)}^{3}}{t_2}\\ \mathbf{elif}\;t \leq 2.35 \cdot 10^{-89}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{{\left(t_3 \cdot \left(\sqrt[3]{\ell} \cdot t_1\right)\right)}^{3}}{t_2}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (cbrt (/ l (sin k))))
        (t_2 (+ 2.0 (pow (/ k t) 2.0)))
        (t_3 (/ (cbrt (/ 2.0 (tan k))) t)))
   (if (<= t -2.2e-7)
     (/ (pow (* (cbrt l) (* t_3 t_1)) 3.0) t_2)
     (if (<= t 2.35e-89)
       (* 2.0 (* (/ (* (cos k) (/ l t)) (* k k)) (/ l (pow (sin k) 2.0))))
       (/ (pow (* t_3 (* (cbrt l) t_1)) 3.0) t_2)))))
double code(double t, double l, double k) {
	double t_1 = cbrt((l / sin(k)));
	double t_2 = 2.0 + pow((k / t), 2.0);
	double t_3 = cbrt((2.0 / tan(k))) / t;
	double tmp;
	if (t <= -2.2e-7) {
		tmp = pow((cbrt(l) * (t_3 * t_1)), 3.0) / t_2;
	} else if (t <= 2.35e-89) {
		tmp = 2.0 * (((cos(k) * (l / t)) / (k * k)) * (l / pow(sin(k), 2.0)));
	} else {
		tmp = pow((t_3 * (cbrt(l) * t_1)), 3.0) / t_2;
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = Math.cbrt((l / Math.sin(k)));
	double t_2 = 2.0 + Math.pow((k / t), 2.0);
	double t_3 = Math.cbrt((2.0 / Math.tan(k))) / t;
	double tmp;
	if (t <= -2.2e-7) {
		tmp = Math.pow((Math.cbrt(l) * (t_3 * t_1)), 3.0) / t_2;
	} else if (t <= 2.35e-89) {
		tmp = 2.0 * (((Math.cos(k) * (l / t)) / (k * k)) * (l / Math.pow(Math.sin(k), 2.0)));
	} else {
		tmp = Math.pow((t_3 * (Math.cbrt(l) * t_1)), 3.0) / t_2;
	}
	return tmp;
}
function code(t, l, k)
	t_1 = cbrt(Float64(l / sin(k)))
	t_2 = Float64(2.0 + (Float64(k / t) ^ 2.0))
	t_3 = Float64(cbrt(Float64(2.0 / tan(k))) / t)
	tmp = 0.0
	if (t <= -2.2e-7)
		tmp = Float64((Float64(cbrt(l) * Float64(t_3 * t_1)) ^ 3.0) / t_2);
	elseif (t <= 2.35e-89)
		tmp = Float64(2.0 * Float64(Float64(Float64(cos(k) * Float64(l / t)) / Float64(k * k)) * Float64(l / (sin(k) ^ 2.0))));
	else
		tmp = Float64((Float64(t_3 * Float64(cbrt(l) * t_1)) ^ 3.0) / t_2);
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]}, Block[{t$95$2 = N[(2.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$3 = N[(N[Power[N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] / t), $MachinePrecision]}, If[LessEqual[t, -2.2e-7], N[(N[Power[N[(N[Power[l, 1/3], $MachinePrecision] * N[(t$95$3 * t$95$1), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] / t$95$2), $MachinePrecision], If[LessEqual[t, 2.35e-89], N[(2.0 * N[(N[(N[(N[Cos[k], $MachinePrecision] * N[(l / t), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Power[N[(t$95$3 * N[(N[Power[l, 1/3], $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] / t$95$2), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \sqrt[3]{\frac{\ell}{\sin k}}\\
t_2 := 2 + {\left(\frac{k}{t}\right)}^{2}\\
t_3 := \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\\
\mathbf{if}\;t \leq -2.2 \cdot 10^{-7}:\\
\;\;\;\;\frac{{\left(\sqrt[3]{\ell} \cdot \left(t_3 \cdot t_1\right)\right)}^{3}}{t_2}\\

\mathbf{elif}\;t \leq 2.35 \cdot 10^{-89}:\\
\;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\

\mathbf{else}:\\
\;\;\;\;\frac{{\left(t_3 \cdot \left(\sqrt[3]{\ell} \cdot t_1\right)\right)}^{3}}{t_2}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -2.2000000000000001e-7

    1. Initial program 62.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*62.0%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*53.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg53.5%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*62.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative62.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg62.0%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*62.0%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified63.5%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/63.5%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/62.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt61.9%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr77.0%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus77.0%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval77.0%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/77.0%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/77.1%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified77.1%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod88.0%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr88.0%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div97.1%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr97.1%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Step-by-step derivation
      1. associate-*l/95.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \left(\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}} \cdot \sqrt[3]{\ell}\right)}{t}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. *-commutative95.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \color{blue}{\left(\sqrt[3]{\ell} \cdot \frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}\right)}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cbrt-undiv88.1%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \left(\sqrt[3]{\ell} \cdot \color{blue}{\sqrt[3]{\frac{\ell}{\sin k}}}\right)}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    13. Applied egg-rr88.1%

      \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \left(\sqrt[3]{\ell} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right)}{t}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    14. Step-by-step derivation
      1. associate-*l/88.0%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\sqrt[3]{\ell} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right)\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. *-commutative88.0%

        \[\leadsto \frac{{\color{blue}{\left(\left(\sqrt[3]{\ell} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right) \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-*l*88.1%

        \[\leadsto \frac{{\color{blue}{\left(\sqrt[3]{\ell} \cdot \left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    15. Simplified88.1%

      \[\leadsto \frac{{\color{blue}{\left(\sqrt[3]{\ell} \cdot \left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]

    if -2.2000000000000001e-7 < t < 2.34999999999999998e-89

    1. Initial program 45.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*45.3%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*45.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg45.3%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*45.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative45.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg45.3%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*45.3%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified45.3%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/45.3%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/45.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt45.3%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr63.2%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus63.2%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval63.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/63.2%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/63.2%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified63.2%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod63.0%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr63.0%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div63.0%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr63.0%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around inf 76.2%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    13. Step-by-step derivation
      1. *-commutative76.2%

        \[\leadsto 2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}} \]
      2. times-frac75.3%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right)} \]
      3. unpow275.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right) \]
      4. unpow275.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{t \cdot {\sin k}^{2}}\right) \]
      5. times-frac84.6%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)}\right) \]
      6. associate-*r*87.1%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
      7. unpow287.1%

        \[\leadsto 2 \cdot \left(\left(\frac{\cos k}{\color{blue}{{k}^{2}}} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      8. associate-*l/87.2%

        \[\leadsto 2 \cdot \left(\color{blue}{\frac{\cos k \cdot \frac{\ell}{t}}{{k}^{2}}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      9. unpow287.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{\color{blue}{k \cdot k}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
    14. Simplified87.2%

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

    if 2.34999999999999998e-89 < t

    1. Initial program 66.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*66.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*59.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg59.0%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg66.2%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*66.2%

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

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/66.0%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt66.1%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr77.4%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus77.4%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval77.4%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/77.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/77.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified77.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod88.9%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr88.9%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification87.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -2.2 \cdot 10^{-7}:\\ \;\;\;\;\frac{{\left(\sqrt[3]{\ell} \cdot \left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{elif}\;t \leq 2.35 \cdot 10^{-89}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\sqrt[3]{\ell} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \end{array} \]

Alternative 9: 86.6% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \sqrt[3]{\ell} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\\ t_2 := 2 + {\left(\frac{k}{t}\right)}^{2}\\ t_3 := \sqrt[3]{\frac{2}{\tan k}}\\ \mathbf{if}\;t \leq -6.5 \cdot 10^{-18}:\\ \;\;\;\;\frac{{\left(\frac{t_3 \cdot t_1}{t}\right)}^{3}}{t_2}\\ \mathbf{elif}\;t \leq 2.35 \cdot 10^{-89}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{{\left(\frac{t_3}{t} \cdot t_1\right)}^{3}}{t_2}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (* (cbrt l) (cbrt (/ l (sin k)))))
        (t_2 (+ 2.0 (pow (/ k t) 2.0)))
        (t_3 (cbrt (/ 2.0 (tan k)))))
   (if (<= t -6.5e-18)
     (/ (pow (/ (* t_3 t_1) t) 3.0) t_2)
     (if (<= t 2.35e-89)
       (* 2.0 (* (/ (* (cos k) (/ l t)) (* k k)) (/ l (pow (sin k) 2.0))))
       (/ (pow (* (/ t_3 t) t_1) 3.0) t_2)))))
double code(double t, double l, double k) {
	double t_1 = cbrt(l) * cbrt((l / sin(k)));
	double t_2 = 2.0 + pow((k / t), 2.0);
	double t_3 = cbrt((2.0 / tan(k)));
	double tmp;
	if (t <= -6.5e-18) {
		tmp = pow(((t_3 * t_1) / t), 3.0) / t_2;
	} else if (t <= 2.35e-89) {
		tmp = 2.0 * (((cos(k) * (l / t)) / (k * k)) * (l / pow(sin(k), 2.0)));
	} else {
		tmp = pow(((t_3 / t) * t_1), 3.0) / t_2;
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = Math.cbrt(l) * Math.cbrt((l / Math.sin(k)));
	double t_2 = 2.0 + Math.pow((k / t), 2.0);
	double t_3 = Math.cbrt((2.0 / Math.tan(k)));
	double tmp;
	if (t <= -6.5e-18) {
		tmp = Math.pow(((t_3 * t_1) / t), 3.0) / t_2;
	} else if (t <= 2.35e-89) {
		tmp = 2.0 * (((Math.cos(k) * (l / t)) / (k * k)) * (l / Math.pow(Math.sin(k), 2.0)));
	} else {
		tmp = Math.pow(((t_3 / t) * t_1), 3.0) / t_2;
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(cbrt(l) * cbrt(Float64(l / sin(k))))
	t_2 = Float64(2.0 + (Float64(k / t) ^ 2.0))
	t_3 = cbrt(Float64(2.0 / tan(k)))
	tmp = 0.0
	if (t <= -6.5e-18)
		tmp = Float64((Float64(Float64(t_3 * t_1) / t) ^ 3.0) / t_2);
	elseif (t <= 2.35e-89)
		tmp = Float64(2.0 * Float64(Float64(Float64(cos(k) * Float64(l / t)) / Float64(k * k)) * Float64(l / (sin(k) ^ 2.0))));
	else
		tmp = Float64((Float64(Float64(t_3 / t) * t_1) ^ 3.0) / t_2);
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[(N[Power[l, 1/3], $MachinePrecision] * N[Power[N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(2.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$3 = N[Power[N[(2.0 / N[Tan[k], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]}, If[LessEqual[t, -6.5e-18], N[(N[Power[N[(N[(t$95$3 * t$95$1), $MachinePrecision] / t), $MachinePrecision], 3.0], $MachinePrecision] / t$95$2), $MachinePrecision], If[LessEqual[t, 2.35e-89], N[(2.0 * N[(N[(N[(N[Cos[k], $MachinePrecision] * N[(l / t), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Power[N[(N[(t$95$3 / t), $MachinePrecision] * t$95$1), $MachinePrecision], 3.0], $MachinePrecision] / t$95$2), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \sqrt[3]{\ell} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\\
t_2 := 2 + {\left(\frac{k}{t}\right)}^{2}\\
t_3 := \sqrt[3]{\frac{2}{\tan k}}\\
\mathbf{if}\;t \leq -6.5 \cdot 10^{-18}:\\
\;\;\;\;\frac{{\left(\frac{t_3 \cdot t_1}{t}\right)}^{3}}{t_2}\\

\mathbf{elif}\;t \leq 2.35 \cdot 10^{-89}:\\
\;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\

\mathbf{else}:\\
\;\;\;\;\frac{{\left(\frac{t_3}{t} \cdot t_1\right)}^{3}}{t_2}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -6.50000000000000008e-18

    1. Initial program 61.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*61.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*53.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg53.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg61.5%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*61.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified62.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/62.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt61.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr75.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus75.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval75.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/75.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/75.7%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified75.7%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod85.9%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr85.9%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div94.4%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr94.4%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Step-by-step derivation
      1. associate-*l/93.0%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \left(\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}} \cdot \sqrt[3]{\ell}\right)}{t}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. *-commutative93.0%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \color{blue}{\left(\sqrt[3]{\ell} \cdot \frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}\right)}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cbrt-undiv86.0%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \left(\sqrt[3]{\ell} \cdot \color{blue}{\sqrt[3]{\frac{\ell}{\sin k}}}\right)}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    13. Applied egg-rr86.0%

      \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \left(\sqrt[3]{\ell} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right)}{t}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]

    if -6.50000000000000008e-18 < t < 2.34999999999999998e-89

    1. Initial program 45.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*45.0%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg45.0%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg45.0%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*45.0%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified45.0%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/45.0%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt45.0%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr63.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus63.5%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval63.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/63.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/63.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified63.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod63.3%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr63.3%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div63.3%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr63.3%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around inf 77.9%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    13. Step-by-step derivation
      1. *-commutative77.9%

        \[\leadsto 2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}} \]
      2. times-frac76.9%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right)} \]
      3. unpow276.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right) \]
      4. unpow276.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{t \cdot {\sin k}^{2}}\right) \]
      5. times-frac86.6%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)}\right) \]
      6. associate-*r*88.4%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
      7. unpow288.4%

        \[\leadsto 2 \cdot \left(\left(\frac{\cos k}{\color{blue}{{k}^{2}}} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      8. associate-*l/88.4%

        \[\leadsto 2 \cdot \left(\color{blue}{\frac{\cos k \cdot \frac{\ell}{t}}{{k}^{2}}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      9. unpow288.4%

        \[\leadsto 2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{\color{blue}{k \cdot k}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
    14. Simplified88.4%

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

    if 2.34999999999999998e-89 < t

    1. Initial program 66.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*66.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*59.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg59.0%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg66.2%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*66.2%

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

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/66.0%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt66.1%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr77.4%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus77.4%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval77.4%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/77.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/77.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified77.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod88.9%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr88.9%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification87.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -6.5 \cdot 10^{-18}:\\ \;\;\;\;\frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}} \cdot \left(\sqrt[3]{\ell} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right)}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{elif}\;t \leq 2.35 \cdot 10^{-89}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\sqrt[3]{\ell} \cdot \sqrt[3]{\frac{\ell}{\sin k}}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \end{array} \]

Alternative 10: 63.3% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 2 \cdot 10^{-15}:\\ \;\;\;\;\frac{\ell \cdot \frac{\ell}{\sin k}}{k \cdot {t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 2e-15)
   (/ (* l (/ l (sin k))) (* k (pow t 3.0)))
   (* 2.0 (* (/ (cos k) (* k k)) (* (/ l t) (/ l (pow (sin k) 2.0)))))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 2e-15) {
		tmp = (l * (l / sin(k))) / (k * pow(t, 3.0));
	} else {
		tmp = 2.0 * ((cos(k) / (k * k)) * ((l / t) * (l / pow(sin(k), 2.0))));
	}
	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 <= 2d-15) then
        tmp = (l * (l / sin(k))) / (k * (t ** 3.0d0))
    else
        tmp = 2.0d0 * ((cos(k) / (k * k)) * ((l / t) * (l / (sin(k) ** 2.0d0))))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 2e-15) {
		tmp = (l * (l / Math.sin(k))) / (k * Math.pow(t, 3.0));
	} else {
		tmp = 2.0 * ((Math.cos(k) / (k * k)) * ((l / t) * (l / Math.pow(Math.sin(k), 2.0))));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 2e-15:
		tmp = (l * (l / math.sin(k))) / (k * math.pow(t, 3.0))
	else:
		tmp = 2.0 * ((math.cos(k) / (k * k)) * ((l / t) * (l / math.pow(math.sin(k), 2.0))))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 2e-15)
		tmp = Float64(Float64(l * Float64(l / sin(k))) / Float64(k * (t ^ 3.0)));
	else
		tmp = Float64(2.0 * Float64(Float64(cos(k) / Float64(k * k)) * Float64(Float64(l / t) * Float64(l / (sin(k) ^ 2.0)))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 2e-15)
		tmp = (l * (l / sin(k))) / (k * (t ^ 3.0));
	else
		tmp = 2.0 * ((cos(k) / (k * k)) * ((l / t) * (l / (sin(k) ^ 2.0))));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 2e-15], N[(N[(l * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(N[Cos[k], $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(N[(l / t), $MachinePrecision] * N[(l / N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 2 \cdot 10^{-15}:\\
\;\;\;\;\frac{\ell \cdot \frac{\ell}{\sin k}}{k \cdot {t}^{3}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 2.0000000000000002e-15

    1. Initial program 61.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*61.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*55.8%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg55.8%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*61.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative61.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg61.9%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*61.9%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified62.3%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/62.3%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/61.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt61.8%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr76.4%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus76.3%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval76.3%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/76.4%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/76.4%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified76.4%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. div-inv76.4%

        \[\leadsto \color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
      2. *-commutative76.4%

        \[\leadsto {\color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k} \cdot \ell} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-*l/71.8%

        \[\leadsto {\left(\sqrt[3]{\color{blue}{\frac{\ell \cdot \ell}{\sin k}}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr71.8%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    10. Step-by-step derivation
      1. associate-*r/71.8%

        \[\leadsto \color{blue}{\frac{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot 1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
      2. *-rgt-identity71.8%

        \[\leadsto \frac{\color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cube-prod68.1%

        \[\leadsto \frac{\color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}}\right)}^{3} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. unpow268.1%

        \[\leadsto \frac{{\left(\sqrt[3]{\frac{\color{blue}{{\ell}^{2}}}{\sin k}}\right)}^{3} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. rem-cube-cbrt68.1%

        \[\leadsto \frac{\color{blue}{\frac{{\ell}^{2}}{\sin k}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. associate-/l*67.6%

        \[\leadsto \color{blue}{\frac{\frac{{\ell}^{2}}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
      7. unpow267.6%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \ell}}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      8. associate-/l*71.8%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{\frac{\sin k}{\ell}}}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      9. associate-/r/71.8%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
    11. Simplified71.8%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\sin k} \cdot \ell}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
    12. Taylor expanded in k around 0 64.2%

      \[\leadsto \frac{\frac{\ell}{\sin k} \cdot \ell}{\color{blue}{k \cdot {t}^{3}}} \]

    if 2.0000000000000002e-15 < k

    1. Initial program 41.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*41.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*41.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg41.2%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*41.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative41.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg41.2%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-*l/41.2%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      8. associate-*r/41.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      9. associate-/r/41.2%

        \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified41.2%

      \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Taylor expanded in k around inf 78.7%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    5. Step-by-step derivation
      1. times-frac78.7%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right)} \]
      2. unpow278.7%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right) \]
      3. unpow278.7%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot t}\right) \]
      4. *-commutative78.7%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {\sin k}^{2}}}\right) \]
      5. times-frac81.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)}\right) \]
    6. Simplified81.5%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification69.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 2 \cdot 10^{-15}:\\ \;\;\;\;\frac{\ell \cdot \frac{\ell}{\sin k}}{k \cdot {t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)\right)\\ \end{array} \]

Alternative 11: 64.5% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 8.5 \cdot 10^{-13}:\\ \;\;\;\;\frac{\ell \cdot \frac{\ell}{\sin k}}{k \cdot {t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 8.5e-13)
   (/ (* l (/ l (sin k))) (* k (pow t 3.0)))
   (* 2.0 (* (/ (* (cos k) (/ l t)) (* k k)) (/ l (pow (sin k) 2.0))))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 8.5e-13) {
		tmp = (l * (l / sin(k))) / (k * pow(t, 3.0));
	} else {
		tmp = 2.0 * (((cos(k) * (l / t)) / (k * k)) * (l / pow(sin(k), 2.0)));
	}
	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 <= 8.5d-13) then
        tmp = (l * (l / sin(k))) / (k * (t ** 3.0d0))
    else
        tmp = 2.0d0 * (((cos(k) * (l / t)) / (k * k)) * (l / (sin(k) ** 2.0d0)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 8.5e-13) {
		tmp = (l * (l / Math.sin(k))) / (k * Math.pow(t, 3.0));
	} else {
		tmp = 2.0 * (((Math.cos(k) * (l / t)) / (k * k)) * (l / Math.pow(Math.sin(k), 2.0)));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 8.5e-13:
		tmp = (l * (l / math.sin(k))) / (k * math.pow(t, 3.0))
	else:
		tmp = 2.0 * (((math.cos(k) * (l / t)) / (k * k)) * (l / math.pow(math.sin(k), 2.0)))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 8.5e-13)
		tmp = Float64(Float64(l * Float64(l / sin(k))) / Float64(k * (t ^ 3.0)));
	else
		tmp = Float64(2.0 * Float64(Float64(Float64(cos(k) * Float64(l / t)) / Float64(k * k)) * Float64(l / (sin(k) ^ 2.0))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 8.5e-13)
		tmp = (l * (l / sin(k))) / (k * (t ^ 3.0));
	else
		tmp = 2.0 * (((cos(k) * (l / t)) / (k * k)) * (l / (sin(k) ^ 2.0)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 8.5e-13], N[(N[(l * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(N[(N[Cos[k], $MachinePrecision] * N[(l / t), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 8.5 \cdot 10^{-13}:\\
\;\;\;\;\frac{\ell \cdot \frac{\ell}{\sin k}}{k \cdot {t}^{3}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 8.5000000000000001e-13

    1. Initial program 61.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*61.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*55.8%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg55.8%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*61.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative61.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg61.9%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*61.9%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified62.3%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/62.3%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/61.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt61.8%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr76.4%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus76.3%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval76.3%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/76.4%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/76.4%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified76.4%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. div-inv76.4%

        \[\leadsto \color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
      2. *-commutative76.4%

        \[\leadsto {\color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k} \cdot \ell} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-*l/71.8%

        \[\leadsto {\left(\sqrt[3]{\color{blue}{\frac{\ell \cdot \ell}{\sin k}}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr71.8%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    10. Step-by-step derivation
      1. associate-*r/71.8%

        \[\leadsto \color{blue}{\frac{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot 1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
      2. *-rgt-identity71.8%

        \[\leadsto \frac{\color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cube-prod68.1%

        \[\leadsto \frac{\color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}}\right)}^{3} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. unpow268.1%

        \[\leadsto \frac{{\left(\sqrt[3]{\frac{\color{blue}{{\ell}^{2}}}{\sin k}}\right)}^{3} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. rem-cube-cbrt68.1%

        \[\leadsto \frac{\color{blue}{\frac{{\ell}^{2}}{\sin k}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. associate-/l*67.6%

        \[\leadsto \color{blue}{\frac{\frac{{\ell}^{2}}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
      7. unpow267.6%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \ell}}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      8. associate-/l*71.8%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{\frac{\sin k}{\ell}}}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      9. associate-/r/71.8%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
    11. Simplified71.8%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\sin k} \cdot \ell}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
    12. Taylor expanded in k around 0 64.2%

      \[\leadsto \frac{\frac{\ell}{\sin k} \cdot \ell}{\color{blue}{k \cdot {t}^{3}}} \]

    if 8.5000000000000001e-13 < k

    1. Initial program 41.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*41.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*41.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg41.2%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*41.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative41.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg41.2%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*41.2%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified41.2%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/41.2%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/41.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt41.2%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr57.7%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus57.7%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval57.7%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/57.7%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/57.7%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified57.7%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod65.7%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr65.7%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div65.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr65.6%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around inf 78.7%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    13. Step-by-step derivation
      1. *-commutative78.7%

        \[\leadsto 2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \color{blue}{\left(t \cdot {\sin k}^{2}\right)}} \]
      2. times-frac78.7%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right)} \]
      3. unpow278.7%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{t \cdot {\sin k}^{2}}\right) \]
      4. unpow278.7%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{t \cdot {\sin k}^{2}}\right) \]
      5. times-frac81.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{\sin k}^{2}}\right)}\right) \]
      6. associate-*r*81.8%

        \[\leadsto 2 \cdot \color{blue}{\left(\left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
      7. unpow281.8%

        \[\leadsto 2 \cdot \left(\left(\frac{\cos k}{\color{blue}{{k}^{2}}} \cdot \frac{\ell}{t}\right) \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      8. associate-*l/81.9%

        \[\leadsto 2 \cdot \left(\color{blue}{\frac{\cos k \cdot \frac{\ell}{t}}{{k}^{2}}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
      9. unpow281.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{\color{blue}{k \cdot k}} \cdot \frac{\ell}{{\sin k}^{2}}\right) \]
    14. Simplified81.9%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification69.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 8.5 \cdot 10^{-13}:\\ \;\;\;\;\frac{\ell \cdot \frac{\ell}{\sin k}}{k \cdot {t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k \cdot \frac{\ell}{t}}{k \cdot k} \cdot \frac{\ell}{{\sin k}^{2}}\right)\\ \end{array} \]

Alternative 12: 61.5% accurate, 2.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 22500000:\\ \;\;\;\;\frac{\ell \cdot \frac{\ell}{\sin k}}{k \cdot {t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\cos k}{\frac{3}{\ell} \cdot \frac{t \cdot \left(k \cdot k\right)}{\ell}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 22500000.0)
   (/ (* l (/ l (sin k))) (* k (pow t 3.0)))
   (* 2.0 (/ (cos k) (* (/ 3.0 l) (/ (* t (* k k)) l))))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 22500000.0) {
		tmp = (l * (l / sin(k))) / (k * pow(t, 3.0));
	} else {
		tmp = 2.0 * (cos(k) / ((3.0 / l) * ((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) :: tmp
    if (k <= 22500000.0d0) then
        tmp = (l * (l / sin(k))) / (k * (t ** 3.0d0))
    else
        tmp = 2.0d0 * (cos(k) / ((3.0d0 / l) * ((t * (k * k)) / l)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 22500000.0) {
		tmp = (l * (l / Math.sin(k))) / (k * Math.pow(t, 3.0));
	} else {
		tmp = 2.0 * (Math.cos(k) / ((3.0 / l) * ((t * (k * k)) / l)));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 22500000.0:
		tmp = (l * (l / math.sin(k))) / (k * math.pow(t, 3.0))
	else:
		tmp = 2.0 * (math.cos(k) / ((3.0 / l) * ((t * (k * k)) / l)))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 22500000.0)
		tmp = Float64(Float64(l * Float64(l / sin(k))) / Float64(k * (t ^ 3.0)));
	else
		tmp = Float64(2.0 * Float64(cos(k) / Float64(Float64(3.0 / l) * Float64(Float64(t * Float64(k * k)) / l))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 22500000.0)
		tmp = (l * (l / sin(k))) / (k * (t ^ 3.0));
	else
		tmp = 2.0 * (cos(k) / ((3.0 / l) * ((t * (k * k)) / l)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 22500000.0], N[(N[(l * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[Cos[k], $MachinePrecision] / N[(N[(3.0 / l), $MachinePrecision] * N[(N[(t * N[(k * k), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 22500000:\\
\;\;\;\;\frac{\ell \cdot \frac{\ell}{\sin k}}{k \cdot {t}^{3}}\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \frac{\cos k}{\frac{3}{\ell} \cdot \frac{t \cdot \left(k \cdot k\right)}{\ell}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 2.25e7

    1. Initial program 61.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*61.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*55.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg55.6%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg61.5%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*61.5%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified61.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/61.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt61.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr75.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus75.5%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval75.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/75.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/75.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified75.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. div-inv75.5%

        \[\leadsto \color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
      2. *-commutative75.5%

        \[\leadsto {\color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k} \cdot \ell} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-*l/71.1%

        \[\leadsto {\left(\sqrt[3]{\color{blue}{\frac{\ell \cdot \ell}{\sin k}}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr71.1%

      \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot \frac{1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    10. Step-by-step derivation
      1. associate-*r/71.1%

        \[\leadsto \color{blue}{\frac{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3} \cdot 1}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
      2. *-rgt-identity71.1%

        \[\leadsto \frac{\color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cube-prod67.5%

        \[\leadsto \frac{\color{blue}{{\left(\sqrt[3]{\frac{\ell \cdot \ell}{\sin k}}\right)}^{3} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. unpow267.5%

        \[\leadsto \frac{{\left(\sqrt[3]{\frac{\color{blue}{{\ell}^{2}}}{\sin k}}\right)}^{3} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. rem-cube-cbrt67.5%

        \[\leadsto \frac{\color{blue}{\frac{{\ell}^{2}}{\sin k}} \cdot {\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. associate-/l*67.0%

        \[\leadsto \color{blue}{\frac{\frac{{\ell}^{2}}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
      7. unpow267.0%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \ell}}{\sin k}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      8. associate-/l*71.1%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{\frac{\sin k}{\ell}}}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
      9. associate-/r/71.1%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}} \]
    11. Simplified71.1%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{\sin k} \cdot \ell}{\frac{2 + {\left(\frac{k}{t}\right)}^{2}}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t}\right)}^{3}}}} \]
    12. Taylor expanded in k around 0 64.3%

      \[\leadsto \frac{\frac{\ell}{\sin k} \cdot \ell}{\color{blue}{k \cdot {t}^{3}}} \]

    if 2.25e7 < k

    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. Step-by-step derivation
      1. associate-/r*40.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg40.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg40.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-*l/40.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      8. associate-*r/40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      9. associate-/r/40.4%

        \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified40.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Taylor expanded in k around inf 78.2%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    5. Step-by-step derivation
      1. times-frac78.3%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right)} \]
      2. unpow278.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right) \]
      3. unpow278.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot t}\right) \]
      4. *-commutative78.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {\sin k}^{2}}}\right) \]
    6. Simplified78.3%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{t \cdot {\sin k}^{2}}\right)} \]
    7. Taylor expanded in k around 0 69.5%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{{\ell}^{2}}{{k}^{2} \cdot t} + 0.3333333333333333 \cdot \frac{{\ell}^{2}}{t}\right)}\right) \]
    8. Step-by-step derivation
      1. +-commutative69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(0.3333333333333333 \cdot \frac{{\ell}^{2}}{t} + \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)}\right) \]
      2. fma-def69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\mathsf{fma}\left(0.3333333333333333, \frac{{\ell}^{2}}{t}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)}\right) \]
      3. unpow269.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\color{blue}{\ell \cdot \ell}}{t}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)\right) \]
      4. associate-/l*69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \color{blue}{\frac{\ell}{\frac{t}{\ell}}}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)\right) \]
      5. *-commutative69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{{\ell}^{2}}{\color{blue}{t \cdot {k}^{2}}}\right)\right) \]
      6. associate-/r*69.6%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \color{blue}{\frac{\frac{{\ell}^{2}}{t}}{{k}^{2}}}\right)\right) \]
      7. unpow269.6%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\color{blue}{\ell \cdot \ell}}{t}}{{k}^{2}}\right)\right) \]
      8. associate-/l*72.7%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\color{blue}{\frac{\ell}{\frac{t}{\ell}}}}{{k}^{2}}\right)\right) \]
      9. unpow272.7%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\ell}{\frac{t}{\ell}}}{\color{blue}{k \cdot k}}\right)\right) \]
    9. Simplified72.7%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\ell}{\frac{t}{\ell}}}{k \cdot k}\right)}\right) \]
    10. Taylor expanded in l around 0 69.6%

      \[\leadsto 2 \cdot \color{blue}{\frac{\cos k \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right) \cdot {\ell}^{2}\right)}{{k}^{2}}} \]
    11. Step-by-step derivation
      1. associate-/l*69.6%

        \[\leadsto 2 \cdot \color{blue}{\frac{\cos k}{\frac{{k}^{2}}{\left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right) \cdot {\ell}^{2}}}} \]
      2. unpow269.6%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{\color{blue}{k \cdot k}}{\left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right) \cdot {\ell}^{2}}} \]
      3. *-commutative69.6%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\color{blue}{{\ell}^{2} \cdot \left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right)}}} \]
      4. unpow269.6%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\color{blue}{\left(\ell \cdot \ell\right)} \cdot \left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right)}} \]
      5. associate-*l*72.7%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\color{blue}{\ell \cdot \left(\ell \cdot \left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right)\right)}}} \]
      6. associate-*r/72.7%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\color{blue}{\frac{0.3333333333333333 \cdot 1}{t}} + \frac{1}{{k}^{2} \cdot t}\right)\right)}} \]
      7. metadata-eval72.7%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{\color{blue}{0.3333333333333333}}{t} + \frac{1}{{k}^{2} \cdot t}\right)\right)}} \]
      8. *-commutative72.7%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{1}{\color{blue}{t \cdot {k}^{2}}}\right)\right)}} \]
      9. associate-/r*72.7%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{0.3333333333333333}{t} + \color{blue}{\frac{\frac{1}{t}}{{k}^{2}}}\right)\right)}} \]
      10. unpow272.7%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{\frac{1}{t}}{\color{blue}{k \cdot k}}\right)\right)}} \]
    12. Simplified72.7%

      \[\leadsto 2 \cdot \color{blue}{\frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{\frac{1}{t}}{k \cdot k}\right)\right)}}} \]
    13. Taylor expanded in k around inf 69.5%

      \[\leadsto 2 \cdot \frac{\cos k}{\color{blue}{3 \cdot \frac{{k}^{2} \cdot t}{{\ell}^{2}}}} \]
    14. Step-by-step derivation
      1. associate-*r/69.5%

        \[\leadsto 2 \cdot \frac{\cos k}{\color{blue}{\frac{3 \cdot \left({k}^{2} \cdot t\right)}{{\ell}^{2}}}} \]
      2. unpow269.5%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{3 \cdot \left({k}^{2} \cdot t\right)}{\color{blue}{\ell \cdot \ell}}} \]
      3. times-frac74.5%

        \[\leadsto 2 \cdot \frac{\cos k}{\color{blue}{\frac{3}{\ell} \cdot \frac{{k}^{2} \cdot t}{\ell}}} \]
      4. unpow274.5%

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

      \[\leadsto 2 \cdot \frac{\cos k}{\color{blue}{\frac{3}{\ell} \cdot \frac{\left(k \cdot k\right) \cdot t}{\ell}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification67.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 22500000:\\ \;\;\;\;\frac{\ell \cdot \frac{\ell}{\sin k}}{k \cdot {t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\cos k}{\frac{3}{\ell} \cdot \frac{t \cdot \left(k \cdot k\right)}{\ell}}\\ \end{array} \]

Alternative 13: 68.6% accurate, 3.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -4.9 \cdot 10^{-17}:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\ \mathbf{elif}\;t \leq 4.6 \cdot 10^{-90}:\\ \;\;\;\;2 \cdot \frac{\cos k}{\frac{k}{\ell} \cdot \frac{k}{\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{\frac{1}{t}}{k \cdot k}\right)}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\ell}{k} \cdot \frac{\ell}{k}}{{t}^{3}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= t -4.9e-17)
   (/ l (/ (* k (* k (pow t 3.0))) l))
   (if (<= t 4.6e-90)
     (*
      2.0
      (/
       (cos k)
       (*
        (/ k l)
        (/ k (* l (+ (/ 0.3333333333333333 t) (/ (/ 1.0 t) (* k k))))))))
     (/ (* (/ l k) (/ l k)) (pow t 3.0)))))
double code(double t, double l, double k) {
	double tmp;
	if (t <= -4.9e-17) {
		tmp = l / ((k * (k * pow(t, 3.0))) / l);
	} else if (t <= 4.6e-90) {
		tmp = 2.0 * (cos(k) / ((k / l) * (k / (l * ((0.3333333333333333 / t) + ((1.0 / t) / (k * k)))))));
	} else {
		tmp = ((l / k) * (l / k)) / pow(t, 3.0);
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (t <= (-4.9d-17)) then
        tmp = l / ((k * (k * (t ** 3.0d0))) / l)
    else if (t <= 4.6d-90) then
        tmp = 2.0d0 * (cos(k) / ((k / l) * (k / (l * ((0.3333333333333333d0 / t) + ((1.0d0 / t) / (k * k)))))))
    else
        tmp = ((l / k) * (l / k)) / (t ** 3.0d0)
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (t <= -4.9e-17) {
		tmp = l / ((k * (k * Math.pow(t, 3.0))) / l);
	} else if (t <= 4.6e-90) {
		tmp = 2.0 * (Math.cos(k) / ((k / l) * (k / (l * ((0.3333333333333333 / t) + ((1.0 / t) / (k * k)))))));
	} else {
		tmp = ((l / k) * (l / k)) / Math.pow(t, 3.0);
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if t <= -4.9e-17:
		tmp = l / ((k * (k * math.pow(t, 3.0))) / l)
	elif t <= 4.6e-90:
		tmp = 2.0 * (math.cos(k) / ((k / l) * (k / (l * ((0.3333333333333333 / t) + ((1.0 / t) / (k * k)))))))
	else:
		tmp = ((l / k) * (l / k)) / math.pow(t, 3.0)
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (t <= -4.9e-17)
		tmp = Float64(l / Float64(Float64(k * Float64(k * (t ^ 3.0))) / l));
	elseif (t <= 4.6e-90)
		tmp = Float64(2.0 * Float64(cos(k) / Float64(Float64(k / l) * Float64(k / Float64(l * Float64(Float64(0.3333333333333333 / t) + Float64(Float64(1.0 / t) / Float64(k * k))))))));
	else
		tmp = Float64(Float64(Float64(l / k) * Float64(l / k)) / (t ^ 3.0));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (t <= -4.9e-17)
		tmp = l / ((k * (k * (t ^ 3.0))) / l);
	elseif (t <= 4.6e-90)
		tmp = 2.0 * (cos(k) / ((k / l) * (k / (l * ((0.3333333333333333 / t) + ((1.0 / t) / (k * k)))))));
	else
		tmp = ((l / k) * (l / k)) / (t ^ 3.0);
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[t, -4.9e-17], N[(l / N[(N[(k * N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 4.6e-90], N[(2.0 * N[(N[Cos[k], $MachinePrecision] / N[(N[(k / l), $MachinePrecision] * N[(k / N[(l * N[(N[(0.3333333333333333 / t), $MachinePrecision] + N[(N[(1.0 / t), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(l / k), $MachinePrecision] * N[(l / k), $MachinePrecision]), $MachinePrecision] / N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -4.9 \cdot 10^{-17}:\\
\;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\

\mathbf{elif}\;t \leq 4.6 \cdot 10^{-90}:\\
\;\;\;\;2 \cdot \frac{\cos k}{\frac{k}{\ell} \cdot \frac{k}{\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{\frac{1}{t}}{k \cdot k}\right)}}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{\ell}{k} \cdot \frac{\ell}{k}}{{t}^{3}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -4.90000000000000012e-17

    1. Initial program 61.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*61.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*53.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg53.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg61.5%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*61.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified62.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/62.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt61.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr75.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus75.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval75.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/75.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/75.7%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified75.7%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod85.9%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr85.9%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around 0 54.7%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    11. Step-by-step derivation
      1. unpow254.7%

        \[\leadsto \frac{\color{blue}{\ell \cdot \ell}}{{k}^{2} \cdot {t}^{3}} \]
      2. associate-/l*58.3%

        \[\leadsto \color{blue}{\frac{\ell}{\frac{{k}^{2} \cdot {t}^{3}}{\ell}}} \]
      3. unpow258.3%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}}{\ell}} \]
      4. associate-*l*65.2%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}}{\ell}} \]
    12. Simplified65.2%

      \[\leadsto \color{blue}{\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}} \]

    if -4.90000000000000012e-17 < t < 4.5999999999999996e-90

    1. Initial program 45.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*45.0%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg45.0%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg45.0%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-*l/45.0%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      8. associate-*r/45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      9. associate-/r/45.0%

        \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified45.0%

      \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Taylor expanded in k around inf 77.9%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    5. Step-by-step derivation
      1. times-frac76.9%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right)} \]
      2. unpow276.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right) \]
      3. unpow276.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot t}\right) \]
      4. *-commutative76.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {\sin k}^{2}}}\right) \]
    6. Simplified76.9%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{t \cdot {\sin k}^{2}}\right)} \]
    7. Taylor expanded in k around 0 69.3%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{{\ell}^{2}}{{k}^{2} \cdot t} + 0.3333333333333333 \cdot \frac{{\ell}^{2}}{t}\right)}\right) \]
    8. Step-by-step derivation
      1. +-commutative69.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(0.3333333333333333 \cdot \frac{{\ell}^{2}}{t} + \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)}\right) \]
      2. fma-def69.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\mathsf{fma}\left(0.3333333333333333, \frac{{\ell}^{2}}{t}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)}\right) \]
      3. unpow269.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\color{blue}{\ell \cdot \ell}}{t}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)\right) \]
      4. associate-/l*69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \color{blue}{\frac{\ell}{\frac{t}{\ell}}}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)\right) \]
      5. *-commutative69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{{\ell}^{2}}{\color{blue}{t \cdot {k}^{2}}}\right)\right) \]
      6. associate-/r*71.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \color{blue}{\frac{\frac{{\ell}^{2}}{t}}{{k}^{2}}}\right)\right) \]
      7. unpow271.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\color{blue}{\ell \cdot \ell}}{t}}{{k}^{2}}\right)\right) \]
      8. associate-/l*74.8%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\color{blue}{\frac{\ell}{\frac{t}{\ell}}}}{{k}^{2}}\right)\right) \]
      9. unpow274.8%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\ell}{\frac{t}{\ell}}}{\color{blue}{k \cdot k}}\right)\right) \]
    9. Simplified74.8%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\ell}{\frac{t}{\ell}}}{k \cdot k}\right)}\right) \]
    10. Taylor expanded in l around 0 69.3%

      \[\leadsto 2 \cdot \color{blue}{\frac{\cos k \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right) \cdot {\ell}^{2}\right)}{{k}^{2}}} \]
    11. Step-by-step derivation
      1. associate-/l*69.3%

        \[\leadsto 2 \cdot \color{blue}{\frac{\cos k}{\frac{{k}^{2}}{\left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right) \cdot {\ell}^{2}}}} \]
      2. unpow269.3%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{\color{blue}{k \cdot k}}{\left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right) \cdot {\ell}^{2}}} \]
      3. *-commutative69.3%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\color{blue}{{\ell}^{2} \cdot \left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right)}}} \]
      4. unpow269.3%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\color{blue}{\left(\ell \cdot \ell\right)} \cdot \left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right)}} \]
      5. associate-*l*75.0%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\color{blue}{\ell \cdot \left(\ell \cdot \left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right)\right)}}} \]
      6. associate-*r/75.0%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\color{blue}{\frac{0.3333333333333333 \cdot 1}{t}} + \frac{1}{{k}^{2} \cdot t}\right)\right)}} \]
      7. metadata-eval75.0%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{\color{blue}{0.3333333333333333}}{t} + \frac{1}{{k}^{2} \cdot t}\right)\right)}} \]
      8. *-commutative75.0%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{1}{\color{blue}{t \cdot {k}^{2}}}\right)\right)}} \]
      9. associate-/r*75.0%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{0.3333333333333333}{t} + \color{blue}{\frac{\frac{1}{t}}{{k}^{2}}}\right)\right)}} \]
      10. unpow275.0%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{\frac{1}{t}}{\color{blue}{k \cdot k}}\right)\right)}} \]
    12. Simplified75.0%

      \[\leadsto 2 \cdot \color{blue}{\frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{\frac{1}{t}}{k \cdot k}\right)\right)}}} \]
    13. Step-by-step derivation
      1. times-frac76.2%

        \[\leadsto 2 \cdot \frac{\cos k}{\color{blue}{\frac{k}{\ell} \cdot \frac{k}{\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{\frac{1}{t}}{k \cdot k}\right)}}} \]
    14. Applied egg-rr76.2%

      \[\leadsto 2 \cdot \frac{\cos k}{\color{blue}{\frac{k}{\ell} \cdot \frac{k}{\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{\frac{1}{t}}{k \cdot k}\right)}}} \]

    if 4.5999999999999996e-90 < t

    1. Initial program 66.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*66.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*59.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg59.0%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg66.2%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*66.2%

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

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/66.0%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt66.1%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr77.4%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus77.4%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval77.4%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/77.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/77.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified77.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod88.9%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr88.9%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div96.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr96.5%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around 0 55.5%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    13. Step-by-step derivation
      1. associate-/r*56.6%

        \[\leadsto \color{blue}{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{3}}} \]
      2. unpow256.6%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \ell}}{{k}^{2}}}{{t}^{3}} \]
      3. unpow256.6%

        \[\leadsto \frac{\frac{\ell \cdot \ell}{\color{blue}{k \cdot k}}}{{t}^{3}} \]
      4. times-frac69.1%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{k} \cdot \frac{\ell}{k}}}{{t}^{3}} \]
    14. Simplified69.1%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{k} \cdot \frac{\ell}{k}}{{t}^{3}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification71.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -4.9 \cdot 10^{-17}:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\ \mathbf{elif}\;t \leq 4.6 \cdot 10^{-90}:\\ \;\;\;\;2 \cdot \frac{\cos k}{\frac{k}{\ell} \cdot \frac{k}{\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{\frac{1}{t}}{k \cdot k}\right)}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\ell}{k} \cdot \frac{\ell}{k}}{{t}^{3}}\\ \end{array} \]

Alternative 14: 68.1% accurate, 3.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -1.4 \cdot 10^{-17}:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\ \mathbf{elif}\;t \leq 6.5 \cdot 10^{-87}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k}{t} \cdot \frac{\frac{\ell}{\frac{k \cdot k}{\ell}} - \ell \cdot \left(\ell \cdot -0.3333333333333333\right)}{k \cdot k}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\ell}{k} \cdot \frac{\ell}{k}}{{t}^{3}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= t -1.4e-17)
   (/ l (/ (* k (* k (pow t 3.0))) l))
   (if (<= t 6.5e-87)
     (*
      2.0
      (*
       (/ (cos k) t)
       (/ (- (/ l (/ (* k k) l)) (* l (* l -0.3333333333333333))) (* k k))))
     (/ (* (/ l k) (/ l k)) (pow t 3.0)))))
double code(double t, double l, double k) {
	double tmp;
	if (t <= -1.4e-17) {
		tmp = l / ((k * (k * pow(t, 3.0))) / l);
	} else if (t <= 6.5e-87) {
		tmp = 2.0 * ((cos(k) / t) * (((l / ((k * k) / l)) - (l * (l * -0.3333333333333333))) / (k * k)));
	} else {
		tmp = ((l / k) * (l / k)) / pow(t, 3.0);
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (t <= (-1.4d-17)) then
        tmp = l / ((k * (k * (t ** 3.0d0))) / l)
    else if (t <= 6.5d-87) then
        tmp = 2.0d0 * ((cos(k) / t) * (((l / ((k * k) / l)) - (l * (l * (-0.3333333333333333d0)))) / (k * k)))
    else
        tmp = ((l / k) * (l / k)) / (t ** 3.0d0)
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (t <= -1.4e-17) {
		tmp = l / ((k * (k * Math.pow(t, 3.0))) / l);
	} else if (t <= 6.5e-87) {
		tmp = 2.0 * ((Math.cos(k) / t) * (((l / ((k * k) / l)) - (l * (l * -0.3333333333333333))) / (k * k)));
	} else {
		tmp = ((l / k) * (l / k)) / Math.pow(t, 3.0);
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if t <= -1.4e-17:
		tmp = l / ((k * (k * math.pow(t, 3.0))) / l)
	elif t <= 6.5e-87:
		tmp = 2.0 * ((math.cos(k) / t) * (((l / ((k * k) / l)) - (l * (l * -0.3333333333333333))) / (k * k)))
	else:
		tmp = ((l / k) * (l / k)) / math.pow(t, 3.0)
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (t <= -1.4e-17)
		tmp = Float64(l / Float64(Float64(k * Float64(k * (t ^ 3.0))) / l));
	elseif (t <= 6.5e-87)
		tmp = Float64(2.0 * Float64(Float64(cos(k) / t) * Float64(Float64(Float64(l / Float64(Float64(k * k) / l)) - Float64(l * Float64(l * -0.3333333333333333))) / Float64(k * k))));
	else
		tmp = Float64(Float64(Float64(l / k) * Float64(l / k)) / (t ^ 3.0));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (t <= -1.4e-17)
		tmp = l / ((k * (k * (t ^ 3.0))) / l);
	elseif (t <= 6.5e-87)
		tmp = 2.0 * ((cos(k) / t) * (((l / ((k * k) / l)) - (l * (l * -0.3333333333333333))) / (k * k)));
	else
		tmp = ((l / k) * (l / k)) / (t ^ 3.0);
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[t, -1.4e-17], N[(l / N[(N[(k * N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 6.5e-87], N[(2.0 * N[(N[(N[Cos[k], $MachinePrecision] / t), $MachinePrecision] * N[(N[(N[(l / N[(N[(k * k), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] - N[(l * N[(l * -0.3333333333333333), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(l / k), $MachinePrecision] * N[(l / k), $MachinePrecision]), $MachinePrecision] / N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.4 \cdot 10^{-17}:\\
\;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\

\mathbf{elif}\;t \leq 6.5 \cdot 10^{-87}:\\
\;\;\;\;2 \cdot \left(\frac{\cos k}{t} \cdot \frac{\frac{\ell}{\frac{k \cdot k}{\ell}} - \ell \cdot \left(\ell \cdot -0.3333333333333333\right)}{k \cdot k}\right)\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{\ell}{k} \cdot \frac{\ell}{k}}{{t}^{3}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -1.3999999999999999e-17

    1. Initial program 61.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*61.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*53.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg53.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg61.5%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*61.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified62.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/62.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt61.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr75.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus75.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval75.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/75.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/75.7%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified75.7%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod85.9%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr85.9%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around 0 54.7%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    11. Step-by-step derivation
      1. unpow254.7%

        \[\leadsto \frac{\color{blue}{\ell \cdot \ell}}{{k}^{2} \cdot {t}^{3}} \]
      2. associate-/l*58.3%

        \[\leadsto \color{blue}{\frac{\ell}{\frac{{k}^{2} \cdot {t}^{3}}{\ell}}} \]
      3. unpow258.3%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}}{\ell}} \]
      4. associate-*l*65.2%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}}{\ell}} \]
    12. Simplified65.2%

      \[\leadsto \color{blue}{\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}} \]

    if -1.3999999999999999e-17 < t < 6.5000000000000003e-87

    1. Initial program 45.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*45.0%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg45.0%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg45.0%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-*l/45.0%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      8. associate-*r/45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      9. associate-/r/45.0%

        \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified45.0%

      \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Taylor expanded in k around inf 77.9%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    5. Step-by-step derivation
      1. times-frac76.9%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right)} \]
      2. unpow276.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right) \]
      3. unpow276.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot t}\right) \]
      4. *-commutative76.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {\sin k}^{2}}}\right) \]
    6. Simplified76.9%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{t \cdot {\sin k}^{2}}\right)} \]
    7. Taylor expanded in k around 0 69.3%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{{\ell}^{2}}{{k}^{2} \cdot t} + 0.3333333333333333 \cdot \frac{{\ell}^{2}}{t}\right)}\right) \]
    8. Step-by-step derivation
      1. +-commutative69.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(0.3333333333333333 \cdot \frac{{\ell}^{2}}{t} + \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)}\right) \]
      2. fma-def69.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\mathsf{fma}\left(0.3333333333333333, \frac{{\ell}^{2}}{t}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)}\right) \]
      3. unpow269.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\color{blue}{\ell \cdot \ell}}{t}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)\right) \]
      4. associate-/l*69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \color{blue}{\frac{\ell}{\frac{t}{\ell}}}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)\right) \]
      5. *-commutative69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{{\ell}^{2}}{\color{blue}{t \cdot {k}^{2}}}\right)\right) \]
      6. associate-/r*71.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \color{blue}{\frac{\frac{{\ell}^{2}}{t}}{{k}^{2}}}\right)\right) \]
      7. unpow271.2%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\color{blue}{\ell \cdot \ell}}{t}}{{k}^{2}}\right)\right) \]
      8. associate-/l*74.8%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\color{blue}{\frac{\ell}{\frac{t}{\ell}}}}{{k}^{2}}\right)\right) \]
      9. unpow274.8%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\ell}{\frac{t}{\ell}}}{\color{blue}{k \cdot k}}\right)\right) \]
    9. Simplified74.8%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\ell}{\frac{t}{\ell}}}{k \cdot k}\right)}\right) \]
    10. Taylor expanded in t around -inf 69.5%

      \[\leadsto 2 \cdot \color{blue}{\left(-1 \cdot \frac{\left(-0.3333333333333333 \cdot {\ell}^{2} + -1 \cdot \frac{{\ell}^{2}}{{k}^{2}}\right) \cdot \cos k}{{k}^{2} \cdot t}\right)} \]
    11. Step-by-step derivation
      1. mul-1-neg69.5%

        \[\leadsto 2 \cdot \color{blue}{\left(-\frac{\left(-0.3333333333333333 \cdot {\ell}^{2} + -1 \cdot \frac{{\ell}^{2}}{{k}^{2}}\right) \cdot \cos k}{{k}^{2} \cdot t}\right)} \]
      2. times-frac71.0%

        \[\leadsto 2 \cdot \left(-\color{blue}{\frac{-0.3333333333333333 \cdot {\ell}^{2} + -1 \cdot \frac{{\ell}^{2}}{{k}^{2}}}{{k}^{2}} \cdot \frac{\cos k}{t}}\right) \]
      3. distribute-rgt-neg-in71.0%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{-0.3333333333333333 \cdot {\ell}^{2} + -1 \cdot \frac{{\ell}^{2}}{{k}^{2}}}{{k}^{2}} \cdot \left(-\frac{\cos k}{t}\right)\right)} \]
      4. mul-1-neg71.0%

        \[\leadsto 2 \cdot \left(\frac{-0.3333333333333333 \cdot {\ell}^{2} + \color{blue}{\left(-\frac{{\ell}^{2}}{{k}^{2}}\right)}}{{k}^{2}} \cdot \left(-\frac{\cos k}{t}\right)\right) \]
      5. unsub-neg71.0%

        \[\leadsto 2 \cdot \left(\frac{\color{blue}{-0.3333333333333333 \cdot {\ell}^{2} - \frac{{\ell}^{2}}{{k}^{2}}}}{{k}^{2}} \cdot \left(-\frac{\cos k}{t}\right)\right) \]
      6. *-commutative71.0%

        \[\leadsto 2 \cdot \left(\frac{\color{blue}{{\ell}^{2} \cdot -0.3333333333333333} - \frac{{\ell}^{2}}{{k}^{2}}}{{k}^{2}} \cdot \left(-\frac{\cos k}{t}\right)\right) \]
      7. unpow271.0%

        \[\leadsto 2 \cdot \left(\frac{\color{blue}{\left(\ell \cdot \ell\right)} \cdot -0.3333333333333333 - \frac{{\ell}^{2}}{{k}^{2}}}{{k}^{2}} \cdot \left(-\frac{\cos k}{t}\right)\right) \]
      8. associate-*l*71.0%

        \[\leadsto 2 \cdot \left(\frac{\color{blue}{\ell \cdot \left(\ell \cdot -0.3333333333333333\right)} - \frac{{\ell}^{2}}{{k}^{2}}}{{k}^{2}} \cdot \left(-\frac{\cos k}{t}\right)\right) \]
      9. unpow271.0%

        \[\leadsto 2 \cdot \left(\frac{\ell \cdot \left(\ell \cdot -0.3333333333333333\right) - \frac{\color{blue}{\ell \cdot \ell}}{{k}^{2}}}{{k}^{2}} \cdot \left(-\frac{\cos k}{t}\right)\right) \]
      10. associate-/l*76.5%

        \[\leadsto 2 \cdot \left(\frac{\ell \cdot \left(\ell \cdot -0.3333333333333333\right) - \color{blue}{\frac{\ell}{\frac{{k}^{2}}{\ell}}}}{{k}^{2}} \cdot \left(-\frac{\cos k}{t}\right)\right) \]
      11. unpow276.5%

        \[\leadsto 2 \cdot \left(\frac{\ell \cdot \left(\ell \cdot -0.3333333333333333\right) - \frac{\ell}{\frac{\color{blue}{k \cdot k}}{\ell}}}{{k}^{2}} \cdot \left(-\frac{\cos k}{t}\right)\right) \]
      12. unpow276.5%

        \[\leadsto 2 \cdot \left(\frac{\ell \cdot \left(\ell \cdot -0.3333333333333333\right) - \frac{\ell}{\frac{k \cdot k}{\ell}}}{\color{blue}{k \cdot k}} \cdot \left(-\frac{\cos k}{t}\right)\right) \]
    12. Simplified76.5%

      \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell \cdot \left(\ell \cdot -0.3333333333333333\right) - \frac{\ell}{\frac{k \cdot k}{\ell}}}{k \cdot k} \cdot \left(-\frac{\cos k}{t}\right)\right)} \]

    if 6.5000000000000003e-87 < t

    1. Initial program 66.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*66.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*59.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg59.0%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg66.2%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*66.2%

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

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/66.0%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt66.1%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr77.4%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus77.4%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval77.4%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/77.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/77.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified77.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod88.9%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr88.9%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div96.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr96.5%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around 0 55.5%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    13. Step-by-step derivation
      1. associate-/r*56.6%

        \[\leadsto \color{blue}{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{3}}} \]
      2. unpow256.6%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \ell}}{{k}^{2}}}{{t}^{3}} \]
      3. unpow256.6%

        \[\leadsto \frac{\frac{\ell \cdot \ell}{\color{blue}{k \cdot k}}}{{t}^{3}} \]
      4. times-frac69.1%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{k} \cdot \frac{\ell}{k}}}{{t}^{3}} \]
    14. Simplified69.1%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{k} \cdot \frac{\ell}{k}}{{t}^{3}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification71.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.4 \cdot 10^{-17}:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\ \mathbf{elif}\;t \leq 6.5 \cdot 10^{-87}:\\ \;\;\;\;2 \cdot \left(\frac{\cos k}{t} \cdot \frac{\frac{\ell}{\frac{k \cdot k}{\ell}} - \ell \cdot \left(\ell \cdot -0.3333333333333333\right)}{k \cdot k}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\ell}{k} \cdot \frac{\ell}{k}}{{t}^{3}}\\ \end{array} \]

Alternative 15: 62.0% accurate, 3.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 155000:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(0.3333333333333333 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \left(\ell \cdot \frac{\ell}{t}\right)\right)\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 155000.0)
   (/ l (/ (* k (* k (pow t 3.0))) l))
   (* 2.0 (* 0.3333333333333333 (* (/ (cos k) (* k k)) (* l (/ l t)))))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 155000.0) {
		tmp = l / ((k * (k * pow(t, 3.0))) / l);
	} else {
		tmp = 2.0 * (0.3333333333333333 * ((cos(k) / (k * k)) * (l * (l / 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 <= 155000.0d0) then
        tmp = l / ((k * (k * (t ** 3.0d0))) / l)
    else
        tmp = 2.0d0 * (0.3333333333333333d0 * ((cos(k) / (k * k)) * (l * (l / t))))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 155000.0) {
		tmp = l / ((k * (k * Math.pow(t, 3.0))) / l);
	} else {
		tmp = 2.0 * (0.3333333333333333 * ((Math.cos(k) / (k * k)) * (l * (l / t))));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 155000.0:
		tmp = l / ((k * (k * math.pow(t, 3.0))) / l)
	else:
		tmp = 2.0 * (0.3333333333333333 * ((math.cos(k) / (k * k)) * (l * (l / t))))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 155000.0)
		tmp = Float64(l / Float64(Float64(k * Float64(k * (t ^ 3.0))) / l));
	else
		tmp = Float64(2.0 * Float64(0.3333333333333333 * Float64(Float64(cos(k) / Float64(k * k)) * Float64(l * Float64(l / t)))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 155000.0)
		tmp = l / ((k * (k * (t ^ 3.0))) / l);
	else
		tmp = 2.0 * (0.3333333333333333 * ((cos(k) / (k * k)) * (l * (l / t))));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 155000.0], N[(l / N[(N[(k * N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(0.3333333333333333 * N[(N[(N[Cos[k], $MachinePrecision] / N[(k * k), $MachinePrecision]), $MachinePrecision] * N[(l * N[(l / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 155000:\\
\;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \left(0.3333333333333333 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \left(\ell \cdot \frac{\ell}{t}\right)\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 155000

    1. Initial program 61.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*61.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*55.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg55.6%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg61.5%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*61.5%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified61.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/61.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt61.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr75.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus75.5%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval75.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/75.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/75.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified75.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod80.8%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr80.8%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around 0 53.7%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    11. Step-by-step derivation
      1. unpow253.7%

        \[\leadsto \frac{\color{blue}{\ell \cdot \ell}}{{k}^{2} \cdot {t}^{3}} \]
      2. associate-/l*57.9%

        \[\leadsto \color{blue}{\frac{\ell}{\frac{{k}^{2} \cdot {t}^{3}}{\ell}}} \]
      3. unpow257.9%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}}{\ell}} \]
      4. associate-*l*64.0%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}}{\ell}} \]
    12. Simplified64.0%

      \[\leadsto \color{blue}{\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}} \]

    if 155000 < k

    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. Step-by-step derivation
      1. associate-/r*40.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg40.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg40.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-*l/40.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      8. associate-*r/40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      9. associate-/r/40.4%

        \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified40.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Taylor expanded in k around inf 78.2%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    5. Step-by-step derivation
      1. times-frac78.3%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right)} \]
      2. unpow278.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right) \]
      3. unpow278.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot t}\right) \]
      4. *-commutative78.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {\sin k}^{2}}}\right) \]
    6. Simplified78.3%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{t \cdot {\sin k}^{2}}\right)} \]
    7. Taylor expanded in k around 0 69.5%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{{\ell}^{2}}{{k}^{2} \cdot t} + 0.3333333333333333 \cdot \frac{{\ell}^{2}}{t}\right)}\right) \]
    8. Step-by-step derivation
      1. +-commutative69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(0.3333333333333333 \cdot \frac{{\ell}^{2}}{t} + \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)}\right) \]
      2. fma-def69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\mathsf{fma}\left(0.3333333333333333, \frac{{\ell}^{2}}{t}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)}\right) \]
      3. unpow269.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\color{blue}{\ell \cdot \ell}}{t}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)\right) \]
      4. associate-/l*69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \color{blue}{\frac{\ell}{\frac{t}{\ell}}}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)\right) \]
      5. *-commutative69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{{\ell}^{2}}{\color{blue}{t \cdot {k}^{2}}}\right)\right) \]
      6. associate-/r*69.6%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \color{blue}{\frac{\frac{{\ell}^{2}}{t}}{{k}^{2}}}\right)\right) \]
      7. unpow269.6%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\color{blue}{\ell \cdot \ell}}{t}}{{k}^{2}}\right)\right) \]
      8. associate-/l*72.7%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\color{blue}{\frac{\ell}{\frac{t}{\ell}}}}{{k}^{2}}\right)\right) \]
      9. unpow272.7%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\ell}{\frac{t}{\ell}}}{\color{blue}{k \cdot k}}\right)\right) \]
    9. Simplified72.7%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\ell}{\frac{t}{\ell}}}{k \cdot k}\right)}\right) \]
    10. Taylor expanded in k around inf 69.5%

      \[\leadsto 2 \cdot \color{blue}{\left(0.3333333333333333 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot t}\right)} \]
    11. Step-by-step derivation
      1. times-frac69.6%

        \[\leadsto 2 \cdot \left(0.3333333333333333 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{t}\right)}\right) \]
      2. unpow269.6%

        \[\leadsto 2 \cdot \left(0.3333333333333333 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{t}\right)\right) \]
      3. unpow269.6%

        \[\leadsto 2 \cdot \left(0.3333333333333333 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{t}\right)\right) \]
      4. associate-*r/72.7%

        \[\leadsto 2 \cdot \left(0.3333333333333333 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\ell \cdot \frac{\ell}{t}\right)}\right)\right) \]
    12. Simplified72.7%

      \[\leadsto 2 \cdot \color{blue}{\left(0.3333333333333333 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \left(\ell \cdot \frac{\ell}{t}\right)\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification66.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 155000:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \left(0.3333333333333333 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \left(\ell \cdot \frac{\ell}{t}\right)\right)\right)\\ \end{array} \]

Alternative 16: 62.7% accurate, 3.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 305000:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\cos k}{\frac{3}{\ell} \cdot \frac{t \cdot \left(k \cdot k\right)}{\ell}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 305000.0)
   (/ l (/ (* k (* k (pow t 3.0))) l))
   (* 2.0 (/ (cos k) (* (/ 3.0 l) (/ (* t (* k k)) l))))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 305000.0) {
		tmp = l / ((k * (k * pow(t, 3.0))) / l);
	} else {
		tmp = 2.0 * (cos(k) / ((3.0 / l) * ((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) :: tmp
    if (k <= 305000.0d0) then
        tmp = l / ((k * (k * (t ** 3.0d0))) / l)
    else
        tmp = 2.0d0 * (cos(k) / ((3.0d0 / l) * ((t * (k * k)) / l)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 305000.0) {
		tmp = l / ((k * (k * Math.pow(t, 3.0))) / l);
	} else {
		tmp = 2.0 * (Math.cos(k) / ((3.0 / l) * ((t * (k * k)) / l)));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 305000.0:
		tmp = l / ((k * (k * math.pow(t, 3.0))) / l)
	else:
		tmp = 2.0 * (math.cos(k) / ((3.0 / l) * ((t * (k * k)) / l)))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 305000.0)
		tmp = Float64(l / Float64(Float64(k * Float64(k * (t ^ 3.0))) / l));
	else
		tmp = Float64(2.0 * Float64(cos(k) / Float64(Float64(3.0 / l) * Float64(Float64(t * Float64(k * k)) / l))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 305000.0)
		tmp = l / ((k * (k * (t ^ 3.0))) / l);
	else
		tmp = 2.0 * (cos(k) / ((3.0 / l) * ((t * (k * k)) / l)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 305000.0], N[(l / N[(N[(k * N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[Cos[k], $MachinePrecision] / N[(N[(3.0 / l), $MachinePrecision] * N[(N[(t * N[(k * k), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 305000:\\
\;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \frac{\cos k}{\frac{3}{\ell} \cdot \frac{t \cdot \left(k \cdot k\right)}{\ell}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 305000

    1. Initial program 61.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*61.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*55.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg55.6%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg61.5%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*61.5%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified61.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/61.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt61.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr75.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus75.5%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval75.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/75.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/75.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified75.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod80.8%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr80.8%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around 0 53.7%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    11. Step-by-step derivation
      1. unpow253.7%

        \[\leadsto \frac{\color{blue}{\ell \cdot \ell}}{{k}^{2} \cdot {t}^{3}} \]
      2. associate-/l*57.9%

        \[\leadsto \color{blue}{\frac{\ell}{\frac{{k}^{2} \cdot {t}^{3}}{\ell}}} \]
      3. unpow257.9%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}}{\ell}} \]
      4. associate-*l*64.0%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}}{\ell}} \]
    12. Simplified64.0%

      \[\leadsto \color{blue}{\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}} \]

    if 305000 < k

    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. Step-by-step derivation
      1. associate-/r*40.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg40.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg40.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-*l/40.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      8. associate-*r/40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      9. associate-/r/40.4%

        \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified40.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Taylor expanded in k around inf 78.2%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    5. Step-by-step derivation
      1. times-frac78.3%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right)} \]
      2. unpow278.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right) \]
      3. unpow278.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot t}\right) \]
      4. *-commutative78.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {\sin k}^{2}}}\right) \]
    6. Simplified78.3%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{t \cdot {\sin k}^{2}}\right)} \]
    7. Taylor expanded in k around 0 69.5%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(\frac{{\ell}^{2}}{{k}^{2} \cdot t} + 0.3333333333333333 \cdot \frac{{\ell}^{2}}{t}\right)}\right) \]
    8. Step-by-step derivation
      1. +-commutative69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\left(0.3333333333333333 \cdot \frac{{\ell}^{2}}{t} + \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)}\right) \]
      2. fma-def69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\mathsf{fma}\left(0.3333333333333333, \frac{{\ell}^{2}}{t}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)}\right) \]
      3. unpow269.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\color{blue}{\ell \cdot \ell}}{t}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)\right) \]
      4. associate-/l*69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \color{blue}{\frac{\ell}{\frac{t}{\ell}}}, \frac{{\ell}^{2}}{{k}^{2} \cdot t}\right)\right) \]
      5. *-commutative69.5%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{{\ell}^{2}}{\color{blue}{t \cdot {k}^{2}}}\right)\right) \]
      6. associate-/r*69.6%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \color{blue}{\frac{\frac{{\ell}^{2}}{t}}{{k}^{2}}}\right)\right) \]
      7. unpow269.6%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\color{blue}{\ell \cdot \ell}}{t}}{{k}^{2}}\right)\right) \]
      8. associate-/l*72.7%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\color{blue}{\frac{\ell}{\frac{t}{\ell}}}}{{k}^{2}}\right)\right) \]
      9. unpow272.7%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\ell}{\frac{t}{\ell}}}{\color{blue}{k \cdot k}}\right)\right) \]
    9. Simplified72.7%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \color{blue}{\mathsf{fma}\left(0.3333333333333333, \frac{\ell}{\frac{t}{\ell}}, \frac{\frac{\ell}{\frac{t}{\ell}}}{k \cdot k}\right)}\right) \]
    10. Taylor expanded in l around 0 69.6%

      \[\leadsto 2 \cdot \color{blue}{\frac{\cos k \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right) \cdot {\ell}^{2}\right)}{{k}^{2}}} \]
    11. Step-by-step derivation
      1. associate-/l*69.6%

        \[\leadsto 2 \cdot \color{blue}{\frac{\cos k}{\frac{{k}^{2}}{\left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right) \cdot {\ell}^{2}}}} \]
      2. unpow269.6%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{\color{blue}{k \cdot k}}{\left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right) \cdot {\ell}^{2}}} \]
      3. *-commutative69.6%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\color{blue}{{\ell}^{2} \cdot \left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right)}}} \]
      4. unpow269.6%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\color{blue}{\left(\ell \cdot \ell\right)} \cdot \left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right)}} \]
      5. associate-*l*72.7%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\color{blue}{\ell \cdot \left(\ell \cdot \left(0.3333333333333333 \cdot \frac{1}{t} + \frac{1}{{k}^{2} \cdot t}\right)\right)}}} \]
      6. associate-*r/72.7%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\color{blue}{\frac{0.3333333333333333 \cdot 1}{t}} + \frac{1}{{k}^{2} \cdot t}\right)\right)}} \]
      7. metadata-eval72.7%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{\color{blue}{0.3333333333333333}}{t} + \frac{1}{{k}^{2} \cdot t}\right)\right)}} \]
      8. *-commutative72.7%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{1}{\color{blue}{t \cdot {k}^{2}}}\right)\right)}} \]
      9. associate-/r*72.7%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{0.3333333333333333}{t} + \color{blue}{\frac{\frac{1}{t}}{{k}^{2}}}\right)\right)}} \]
      10. unpow272.7%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{\frac{1}{t}}{\color{blue}{k \cdot k}}\right)\right)}} \]
    12. Simplified72.7%

      \[\leadsto 2 \cdot \color{blue}{\frac{\cos k}{\frac{k \cdot k}{\ell \cdot \left(\ell \cdot \left(\frac{0.3333333333333333}{t} + \frac{\frac{1}{t}}{k \cdot k}\right)\right)}}} \]
    13. Taylor expanded in k around inf 69.5%

      \[\leadsto 2 \cdot \frac{\cos k}{\color{blue}{3 \cdot \frac{{k}^{2} \cdot t}{{\ell}^{2}}}} \]
    14. Step-by-step derivation
      1. associate-*r/69.5%

        \[\leadsto 2 \cdot \frac{\cos k}{\color{blue}{\frac{3 \cdot \left({k}^{2} \cdot t\right)}{{\ell}^{2}}}} \]
      2. unpow269.5%

        \[\leadsto 2 \cdot \frac{\cos k}{\frac{3 \cdot \left({k}^{2} \cdot t\right)}{\color{blue}{\ell \cdot \ell}}} \]
      3. times-frac74.5%

        \[\leadsto 2 \cdot \frac{\cos k}{\color{blue}{\frac{3}{\ell} \cdot \frac{{k}^{2} \cdot t}{\ell}}} \]
      4. unpow274.5%

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

      \[\leadsto 2 \cdot \frac{\cos k}{\color{blue}{\frac{3}{\ell} \cdot \frac{\left(k \cdot k\right) \cdot t}{\ell}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification66.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 305000:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\cos k}{\frac{3}{\ell} \cdot \frac{t \cdot \left(k \cdot k\right)}{\ell}}\\ \end{array} \]

Alternative 17: 65.5% accurate, 3.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -1.12 \cdot 10^{-16}:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\ \mathbf{elif}\;t \leq 5.5 \cdot 10^{-91}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\ell}{k} \cdot \frac{\ell}{k}}{{t}^{3}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= t -1.12e-16)
   (/ l (/ (* k (* k (pow t 3.0))) l))
   (if (<= t 5.5e-91)
     (* 2.0 (/ (* l (/ l (pow k 4.0))) t))
     (/ (* (/ l k) (/ l k)) (pow t 3.0)))))
double code(double t, double l, double k) {
	double tmp;
	if (t <= -1.12e-16) {
		tmp = l / ((k * (k * pow(t, 3.0))) / l);
	} else if (t <= 5.5e-91) {
		tmp = 2.0 * ((l * (l / pow(k, 4.0))) / t);
	} else {
		tmp = ((l / k) * (l / k)) / pow(t, 3.0);
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (t <= (-1.12d-16)) then
        tmp = l / ((k * (k * (t ** 3.0d0))) / l)
    else if (t <= 5.5d-91) then
        tmp = 2.0d0 * ((l * (l / (k ** 4.0d0))) / t)
    else
        tmp = ((l / k) * (l / k)) / (t ** 3.0d0)
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (t <= -1.12e-16) {
		tmp = l / ((k * (k * Math.pow(t, 3.0))) / l);
	} else if (t <= 5.5e-91) {
		tmp = 2.0 * ((l * (l / Math.pow(k, 4.0))) / t);
	} else {
		tmp = ((l / k) * (l / k)) / Math.pow(t, 3.0);
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if t <= -1.12e-16:
		tmp = l / ((k * (k * math.pow(t, 3.0))) / l)
	elif t <= 5.5e-91:
		tmp = 2.0 * ((l * (l / math.pow(k, 4.0))) / t)
	else:
		tmp = ((l / k) * (l / k)) / math.pow(t, 3.0)
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (t <= -1.12e-16)
		tmp = Float64(l / Float64(Float64(k * Float64(k * (t ^ 3.0))) / l));
	elseif (t <= 5.5e-91)
		tmp = Float64(2.0 * Float64(Float64(l * Float64(l / (k ^ 4.0))) / t));
	else
		tmp = Float64(Float64(Float64(l / k) * Float64(l / k)) / (t ^ 3.0));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (t <= -1.12e-16)
		tmp = l / ((k * (k * (t ^ 3.0))) / l);
	elseif (t <= 5.5e-91)
		tmp = 2.0 * ((l * (l / (k ^ 4.0))) / t);
	else
		tmp = ((l / k) * (l / k)) / (t ^ 3.0);
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[t, -1.12e-16], N[(l / N[(N[(k * N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 5.5e-91], N[(2.0 * N[(N[(l * N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision], N[(N[(N[(l / k), $MachinePrecision] * N[(l / k), $MachinePrecision]), $MachinePrecision] / N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.12 \cdot 10^{-16}:\\
\;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\

\mathbf{elif}\;t \leq 5.5 \cdot 10^{-91}:\\
\;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{\ell}{k} \cdot \frac{\ell}{k}}{{t}^{3}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -1.12e-16

    1. Initial program 61.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*61.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*53.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg53.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg61.5%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*61.4%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified62.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/62.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt61.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr75.6%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus75.6%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval75.6%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/75.6%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/75.7%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified75.7%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod85.9%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr85.9%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around 0 54.7%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    11. Step-by-step derivation
      1. unpow254.7%

        \[\leadsto \frac{\color{blue}{\ell \cdot \ell}}{{k}^{2} \cdot {t}^{3}} \]
      2. associate-/l*58.3%

        \[\leadsto \color{blue}{\frac{\ell}{\frac{{k}^{2} \cdot {t}^{3}}{\ell}}} \]
      3. unpow258.3%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}}{\ell}} \]
      4. associate-*l*65.2%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}}{\ell}} \]
    12. Simplified65.2%

      \[\leadsto \color{blue}{\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}} \]

    if -1.12e-16 < t < 5.49999999999999965e-91

    1. Initial program 45.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*45.0%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg45.0%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg45.0%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-*l/45.0%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      8. associate-*r/45.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      9. associate-/r/45.0%

        \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified45.0%

      \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Taylor expanded in k around inf 77.9%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    5. Step-by-step derivation
      1. times-frac76.9%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right)} \]
      2. unpow276.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right) \]
      3. unpow276.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot t}\right) \]
      4. *-commutative76.9%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {\sin k}^{2}}}\right) \]
    6. Simplified76.9%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{t \cdot {\sin k}^{2}}\right)} \]
    7. Taylor expanded in k around 0 60.7%

      \[\leadsto 2 \cdot \color{blue}{\frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    8. Step-by-step derivation
      1. unpow260.7%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative60.7%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
    9. Simplified60.7%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \ell}{t \cdot {k}^{4}}} \]
    10. Taylor expanded in l around 0 60.7%

      \[\leadsto 2 \cdot \color{blue}{\frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    11. Step-by-step derivation
      1. unpow260.7%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative60.7%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
      3. times-frac67.8%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    12. Simplified67.8%

      \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    13. Step-by-step derivation
      1. associate-*l/68.0%

        \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
    14. Applied egg-rr68.0%

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

    if 5.49999999999999965e-91 < t

    1. Initial program 66.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*66.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*59.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg59.0%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg66.2%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*66.2%

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

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/66.0%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/66.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt66.1%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr77.4%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus77.4%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval77.4%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/77.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/77.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified77.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod88.9%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr88.9%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Step-by-step derivation
      1. cbrt-div96.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Applied egg-rr96.5%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \left(\color{blue}{\frac{\sqrt[3]{\ell}}{\sqrt[3]{\sin k}}} \cdot \sqrt[3]{\ell}\right)\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Taylor expanded in k around 0 55.5%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    13. Step-by-step derivation
      1. associate-/r*56.6%

        \[\leadsto \color{blue}{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{3}}} \]
      2. unpow256.6%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \ell}}{{k}^{2}}}{{t}^{3}} \]
      3. unpow256.6%

        \[\leadsto \frac{\frac{\ell \cdot \ell}{\color{blue}{k \cdot k}}}{{t}^{3}} \]
      4. times-frac69.1%

        \[\leadsto \frac{\color{blue}{\frac{\ell}{k} \cdot \frac{\ell}{k}}}{{t}^{3}} \]
    14. Simplified69.1%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{k} \cdot \frac{\ell}{k}}{{t}^{3}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification67.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.12 \cdot 10^{-16}:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\ \mathbf{elif}\;t \leq 5.5 \cdot 10^{-91}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\ell}{k} \cdot \frac{\ell}{k}}{{t}^{3}}\\ \end{array} \]

Alternative 18: 56.9% accurate, 3.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 2000000:\\ \;\;\;\;\frac{\ell}{{t}^{3}} \cdot \frac{\ell}{k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 2000000.0)
   (* (/ l (pow t 3.0)) (/ l (* k k)))
   (* 2.0 (/ (* l (/ l (pow k 4.0))) t))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 2000000.0) {
		tmp = (l / pow(t, 3.0)) * (l / (k * k));
	} else {
		tmp = 2.0 * ((l * (l / pow(k, 4.0))) / 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 <= 2000000.0d0) then
        tmp = (l / (t ** 3.0d0)) * (l / (k * k))
    else
        tmp = 2.0d0 * ((l * (l / (k ** 4.0d0))) / t)
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 2000000.0) {
		tmp = (l / Math.pow(t, 3.0)) * (l / (k * k));
	} else {
		tmp = 2.0 * ((l * (l / Math.pow(k, 4.0))) / t);
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 2000000.0:
		tmp = (l / math.pow(t, 3.0)) * (l / (k * k))
	else:
		tmp = 2.0 * ((l * (l / math.pow(k, 4.0))) / t)
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 2000000.0)
		tmp = Float64(Float64(l / (t ^ 3.0)) * Float64(l / Float64(k * k)));
	else
		tmp = Float64(2.0 * Float64(Float64(l * Float64(l / (k ^ 4.0))) / t));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 2000000.0)
		tmp = (l / (t ^ 3.0)) * (l / (k * k));
	else
		tmp = 2.0 * ((l * (l / (k ^ 4.0))) / t);
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 2000000.0], N[(N[(l / N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision] * N[(l / N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(l * N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 2000000:\\
\;\;\;\;\frac{\ell}{{t}^{3}} \cdot \frac{\ell}{k \cdot k}\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 2e6

    1. Initial program 61.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*61.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*55.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg55.6%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg61.5%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-*l/62.0%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      8. associate-*r/61.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      9. associate-/r/61.3%

        \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified61.3%

      \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Taylor expanded in k around 0 53.7%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    5. Step-by-step derivation
      1. unpow253.7%

        \[\leadsto \frac{\color{blue}{\ell \cdot \ell}}{{k}^{2} \cdot {t}^{3}} \]
      2. unpow253.7%

        \[\leadsto \frac{\ell \cdot \ell}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
    6. Simplified53.7%

      \[\leadsto \color{blue}{\frac{\ell \cdot \ell}{\left(k \cdot k\right) \cdot {t}^{3}}} \]
    7. Step-by-step derivation
      1. times-frac57.8%

        \[\leadsto \color{blue}{\frac{\ell}{k \cdot k} \cdot \frac{\ell}{{t}^{3}}} \]
    8. Applied egg-rr57.8%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot k} \cdot \frac{\ell}{{t}^{3}}} \]

    if 2e6 < k

    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. Step-by-step derivation
      1. associate-/r*40.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg40.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg40.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-*l/40.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      8. associate-*r/40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      9. associate-/r/40.4%

        \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified40.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Taylor expanded in k around inf 78.2%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    5. Step-by-step derivation
      1. times-frac78.3%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right)} \]
      2. unpow278.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right) \]
      3. unpow278.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot t}\right) \]
      4. *-commutative78.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {\sin k}^{2}}}\right) \]
    6. Simplified78.3%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{t \cdot {\sin k}^{2}}\right)} \]
    7. Taylor expanded in k around 0 60.8%

      \[\leadsto 2 \cdot \color{blue}{\frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    8. Step-by-step derivation
      1. unpow260.8%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative60.8%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
    9. Simplified60.8%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \ell}{t \cdot {k}^{4}}} \]
    10. Taylor expanded in l around 0 60.8%

      \[\leadsto 2 \cdot \color{blue}{\frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    11. Step-by-step derivation
      1. unpow260.8%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative60.8%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
      3. times-frac65.7%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    12. Simplified65.7%

      \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    13. Step-by-step derivation
      1. associate-*l/65.8%

        \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
    14. Applied egg-rr65.8%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification59.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 2000000:\\ \;\;\;\;\frac{\ell}{{t}^{3}} \cdot \frac{\ell}{k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \end{array} \]

Alternative 19: 57.2% accurate, 3.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 29500000:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot k}{\frac{\ell}{{t}^{3}}}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 29500000.0)
   (/ l (/ (* k k) (/ l (pow t 3.0))))
   (* 2.0 (/ (* l (/ l (pow k 4.0))) t))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 29500000.0) {
		tmp = l / ((k * k) / (l / pow(t, 3.0)));
	} else {
		tmp = 2.0 * ((l * (l / pow(k, 4.0))) / 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 <= 29500000.0d0) then
        tmp = l / ((k * k) / (l / (t ** 3.0d0)))
    else
        tmp = 2.0d0 * ((l * (l / (k ** 4.0d0))) / t)
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 29500000.0) {
		tmp = l / ((k * k) / (l / Math.pow(t, 3.0)));
	} else {
		tmp = 2.0 * ((l * (l / Math.pow(k, 4.0))) / t);
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 29500000.0:
		tmp = l / ((k * k) / (l / math.pow(t, 3.0)))
	else:
		tmp = 2.0 * ((l * (l / math.pow(k, 4.0))) / t)
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 29500000.0)
		tmp = Float64(l / Float64(Float64(k * k) / Float64(l / (t ^ 3.0))));
	else
		tmp = Float64(2.0 * Float64(Float64(l * Float64(l / (k ^ 4.0))) / t));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 29500000.0)
		tmp = l / ((k * k) / (l / (t ^ 3.0)));
	else
		tmp = 2.0 * ((l * (l / (k ^ 4.0))) / t);
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 29500000.0], N[(l / N[(N[(k * k), $MachinePrecision] / N[(l / N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(l * N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 29500000:\\
\;\;\;\;\frac{\ell}{\frac{k \cdot k}{\frac{\ell}{{t}^{3}}}}\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 2.95e7

    1. Initial program 61.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*61.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*55.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg55.6%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg61.5%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*61.5%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified61.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/61.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt61.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr75.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus75.5%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval75.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/75.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/75.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified75.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Taylor expanded in k around 0 53.7%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    9. Step-by-step derivation
      1. *-commutative53.7%

        \[\leadsto \frac{{\ell}^{2}}{\color{blue}{{t}^{3} \cdot {k}^{2}}} \]
      2. associate-/r*53.8%

        \[\leadsto \color{blue}{\frac{\frac{{\ell}^{2}}{{t}^{3}}}{{k}^{2}}} \]
      3. unpow253.8%

        \[\leadsto \frac{\frac{\color{blue}{\ell \cdot \ell}}{{t}^{3}}}{{k}^{2}} \]
      4. associate-*r/57.2%

        \[\leadsto \frac{\color{blue}{\ell \cdot \frac{\ell}{{t}^{3}}}}{{k}^{2}} \]
      5. associate-/l*57.9%

        \[\leadsto \color{blue}{\frac{\ell}{\frac{{k}^{2}}{\frac{\ell}{{t}^{3}}}}} \]
      6. unpow257.9%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{k \cdot k}}{\frac{\ell}{{t}^{3}}}} \]
    10. Simplified57.9%

      \[\leadsto \color{blue}{\frac{\ell}{\frac{k \cdot k}{\frac{\ell}{{t}^{3}}}}} \]

    if 2.95e7 < k

    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. Step-by-step derivation
      1. associate-/r*40.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg40.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg40.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-*l/40.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      8. associate-*r/40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      9. associate-/r/40.4%

        \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified40.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Taylor expanded in k around inf 78.2%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    5. Step-by-step derivation
      1. times-frac78.3%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right)} \]
      2. unpow278.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right) \]
      3. unpow278.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot t}\right) \]
      4. *-commutative78.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {\sin k}^{2}}}\right) \]
    6. Simplified78.3%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{t \cdot {\sin k}^{2}}\right)} \]
    7. Taylor expanded in k around 0 60.8%

      \[\leadsto 2 \cdot \color{blue}{\frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    8. Step-by-step derivation
      1. unpow260.8%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative60.8%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
    9. Simplified60.8%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \ell}{t \cdot {k}^{4}}} \]
    10. Taylor expanded in l around 0 60.8%

      \[\leadsto 2 \cdot \color{blue}{\frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    11. Step-by-step derivation
      1. unpow260.8%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative60.8%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
      3. times-frac65.7%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    12. Simplified65.7%

      \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    13. Step-by-step derivation
      1. associate-*l/65.8%

        \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
    14. Applied egg-rr65.8%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification60.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 29500000:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot k}{\frac{\ell}{{t}^{3}}}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \end{array} \]

Alternative 20: 61.0% accurate, 3.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 7500000:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 7500000.0)
   (/ l (/ (* k (* k (pow t 3.0))) l))
   (* 2.0 (/ (* l (/ l (pow k 4.0))) t))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 7500000.0) {
		tmp = l / ((k * (k * pow(t, 3.0))) / l);
	} else {
		tmp = 2.0 * ((l * (l / pow(k, 4.0))) / 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 <= 7500000.0d0) then
        tmp = l / ((k * (k * (t ** 3.0d0))) / l)
    else
        tmp = 2.0d0 * ((l * (l / (k ** 4.0d0))) / t)
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 7500000.0) {
		tmp = l / ((k * (k * Math.pow(t, 3.0))) / l);
	} else {
		tmp = 2.0 * ((l * (l / Math.pow(k, 4.0))) / t);
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 7500000.0:
		tmp = l / ((k * (k * math.pow(t, 3.0))) / l)
	else:
		tmp = 2.0 * ((l * (l / math.pow(k, 4.0))) / t)
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 7500000.0)
		tmp = Float64(l / Float64(Float64(k * Float64(k * (t ^ 3.0))) / l));
	else
		tmp = Float64(2.0 * Float64(Float64(l * Float64(l / (k ^ 4.0))) / t));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 7500000.0)
		tmp = l / ((k * (k * (t ^ 3.0))) / l);
	else
		tmp = 2.0 * ((l * (l / (k ^ 4.0))) / t);
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 7500000.0], N[(l / N[(N[(k * N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(l * N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 7500000:\\
\;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 7.5e6

    1. Initial program 61.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*61.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*55.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg55.6%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg61.5%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-/r*61.5%

        \[\leadsto \frac{\color{blue}{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified61.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{2}{\tan k}}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Step-by-step derivation
      1. associate-/l/61.9%

        \[\leadsto \frac{\color{blue}{\frac{2}{\frac{{t}^{3}}{\frac{\ell \cdot \ell}{\sin k}} \cdot \tan k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-/r/61.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. add-cube-cbrt61.4%

        \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}\right) \cdot \sqrt[3]{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Applied egg-rr75.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{2} \cdot \frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Step-by-step derivation
      1. pow-plus75.5%

        \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\left(2 + 1\right)}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval75.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{\frac{t}{\sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}}}\right)}^{\color{blue}{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-/r/75.5%

        \[\leadsto \frac{{\color{blue}{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\frac{\sin k}{\ell}}}\right)}}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r/75.5%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\color{blue}{\frac{\ell}{\sin k} \cdot \ell}}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Simplified75.5%

      \[\leadsto \frac{\color{blue}{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \sqrt[3]{\frac{\ell}{\sin k} \cdot \ell}\right)}^{3}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. cbrt-prod80.8%

        \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Applied egg-rr80.8%

      \[\leadsto \frac{{\left(\frac{\sqrt[3]{\frac{2}{\tan k}}}{t} \cdot \color{blue}{\left(\sqrt[3]{\frac{\ell}{\sin k}} \cdot \sqrt[3]{\ell}\right)}\right)}^{3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around 0 53.7%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    11. Step-by-step derivation
      1. unpow253.7%

        \[\leadsto \frac{\color{blue}{\ell \cdot \ell}}{{k}^{2} \cdot {t}^{3}} \]
      2. associate-/l*57.9%

        \[\leadsto \color{blue}{\frac{\ell}{\frac{{k}^{2} \cdot {t}^{3}}{\ell}}} \]
      3. unpow257.9%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}}{\ell}} \]
      4. associate-*l*64.0%

        \[\leadsto \frac{\ell}{\frac{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}}{\ell}} \]
    12. Simplified64.0%

      \[\leadsto \color{blue}{\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}} \]

    if 7.5e6 < k

    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. Step-by-step derivation
      1. associate-/r*40.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. associate-*l*40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. sqr-neg40.4%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. associate-*l*40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. *-commutative40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. sqr-neg40.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      7. associate-*l/40.4%

        \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      8. associate-*r/40.4%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      9. associate-/r/40.4%

        \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. Simplified40.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Taylor expanded in k around inf 78.2%

      \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
    5. Step-by-step derivation
      1. times-frac78.3%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right)} \]
      2. unpow278.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right) \]
      3. unpow278.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot t}\right) \]
      4. *-commutative78.3%

        \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {\sin k}^{2}}}\right) \]
    6. Simplified78.3%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{t \cdot {\sin k}^{2}}\right)} \]
    7. Taylor expanded in k around 0 60.8%

      \[\leadsto 2 \cdot \color{blue}{\frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    8. Step-by-step derivation
      1. unpow260.8%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative60.8%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
    9. Simplified60.8%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \ell}{t \cdot {k}^{4}}} \]
    10. Taylor expanded in l around 0 60.8%

      \[\leadsto 2 \cdot \color{blue}{\frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    11. Step-by-step derivation
      1. unpow260.8%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative60.8%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
      3. times-frac65.7%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    12. Simplified65.7%

      \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    13. Step-by-step derivation
      1. associate-*l/65.8%

        \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
    14. Applied egg-rr65.8%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification64.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 7500000:\\ \;\;\;\;\frac{\ell}{\frac{k \cdot \left(k \cdot {t}^{3}\right)}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \end{array} \]

Alternative 21: 55.5% accurate, 3.8× speedup?

\[\begin{array}{l} \\ 2 \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right) \end{array} \]
(FPCore (t l k) :precision binary64 (* 2.0 (* (/ l t) (/ l (pow k 4.0)))))
double code(double t, double l, double k) {
	return 2.0 * ((l / t) * (l / pow(k, 4.0)));
}
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 * ((l / t) * (l / (k ** 4.0d0)))
end function
public static double code(double t, double l, double k) {
	return 2.0 * ((l / t) * (l / Math.pow(k, 4.0)));
}
def code(t, l, k):
	return 2.0 * ((l / t) * (l / math.pow(k, 4.0)))
function code(t, l, k)
	return Float64(2.0 * Float64(Float64(l / t) * Float64(l / (k ^ 4.0))))
end
function tmp = code(t, l, k)
	tmp = 2.0 * ((l / t) * (l / (k ^ 4.0)));
end
code[t_, l_, k_] := N[(2.0 * N[(N[(l / t), $MachinePrecision] * N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
2 \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)
\end{array}
Derivation
  1. Initial program 56.0%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Step-by-step derivation
    1. associate-/r*56.0%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
    2. associate-*l*51.6%

      \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. sqr-neg51.6%

      \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    4. associate-*l*56.0%

      \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    5. *-commutative56.0%

      \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    6. sqr-neg56.0%

      \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    7. associate-*l/56.3%

      \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    8. associate-*r/55.6%

      \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    9. associate-/r/55.8%

      \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
  3. Simplified55.8%

    \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
  4. Taylor expanded in k around inf 61.0%

    \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
  5. Step-by-step derivation
    1. times-frac60.7%

      \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right)} \]
    2. unpow260.7%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right) \]
    3. unpow260.7%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot t}\right) \]
    4. *-commutative60.7%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {\sin k}^{2}}}\right) \]
  6. Simplified60.7%

    \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{t \cdot {\sin k}^{2}}\right)} \]
  7. Taylor expanded in k around 0 53.5%

    \[\leadsto 2 \cdot \color{blue}{\frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
  8. Step-by-step derivation
    1. unpow253.5%

      \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
    2. *-commutative53.5%

      \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
  9. Simplified53.5%

    \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \ell}{t \cdot {k}^{4}}} \]
  10. Taylor expanded in l around 0 53.5%

    \[\leadsto 2 \cdot \color{blue}{\frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
  11. Step-by-step derivation
    1. unpow253.5%

      \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
    2. *-commutative53.5%

      \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
    3. times-frac57.8%

      \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
  12. Simplified57.8%

    \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
  13. Final simplification57.8%

    \[\leadsto 2 \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right) \]

Alternative 22: 55.0% accurate, 3.8× speedup?

\[\begin{array}{l} \\ 2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t} \end{array} \]
(FPCore (t l k) :precision binary64 (* 2.0 (/ (* l (/ l (pow k 4.0))) t)))
double code(double t, double l, double k) {
	return 2.0 * ((l * (l / pow(k, 4.0))) / t);
}
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 * ((l * (l / (k ** 4.0d0))) / t)
end function
public static double code(double t, double l, double k) {
	return 2.0 * ((l * (l / Math.pow(k, 4.0))) / t);
}
def code(t, l, k):
	return 2.0 * ((l * (l / math.pow(k, 4.0))) / t)
function code(t, l, k)
	return Float64(2.0 * Float64(Float64(l * Float64(l / (k ^ 4.0))) / t))
end
function tmp = code(t, l, k)
	tmp = 2.0 * ((l * (l / (k ^ 4.0))) / t);
end
code[t_, l_, k_] := N[(2.0 * N[(N[(l * N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}
\end{array}
Derivation
  1. Initial program 56.0%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Step-by-step derivation
    1. associate-/r*56.0%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
    2. associate-*l*51.6%

      \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. sqr-neg51.6%

      \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    4. associate-*l*56.0%

      \[\leadsto \frac{\frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right) \cdot \tan k}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    5. *-commutative56.0%

      \[\leadsto \frac{\frac{2}{\color{blue}{\tan k \cdot \left(\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \sin k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    6. sqr-neg56.0%

      \[\leadsto \frac{\frac{2}{\tan k \cdot \left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    7. associate-*l/56.3%

      \[\leadsto \frac{\frac{2}{\tan k \cdot \color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    8. associate-*r/55.6%

      \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\tan k \cdot \left({t}^{3} \cdot \sin k\right)}{\ell \cdot \ell}}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    9. associate-/r/55.8%

      \[\leadsto \frac{\color{blue}{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
  3. Simplified55.8%

    \[\leadsto \color{blue}{\frac{\frac{2}{\tan k \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \left(\ell \cdot \ell\right)}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
  4. Taylor expanded in k around inf 61.0%

    \[\leadsto \color{blue}{2 \cdot \frac{\cos k \cdot {\ell}^{2}}{{k}^{2} \cdot \left({\sin k}^{2} \cdot t\right)}} \]
  5. Step-by-step derivation
    1. times-frac60.7%

      \[\leadsto 2 \cdot \color{blue}{\left(\frac{\cos k}{{k}^{2}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right)} \]
    2. unpow260.7%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{\color{blue}{k \cdot k}} \cdot \frac{{\ell}^{2}}{{\sin k}^{2} \cdot t}\right) \]
    3. unpow260.7%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot t}\right) \]
    4. *-commutative60.7%

      \[\leadsto 2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {\sin k}^{2}}}\right) \]
  6. Simplified60.7%

    \[\leadsto \color{blue}{2 \cdot \left(\frac{\cos k}{k \cdot k} \cdot \frac{\ell \cdot \ell}{t \cdot {\sin k}^{2}}\right)} \]
  7. Taylor expanded in k around 0 53.5%

    \[\leadsto 2 \cdot \color{blue}{\frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
  8. Step-by-step derivation
    1. unpow253.5%

      \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
    2. *-commutative53.5%

      \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
  9. Simplified53.5%

    \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \ell}{t \cdot {k}^{4}}} \]
  10. Taylor expanded in l around 0 53.5%

    \[\leadsto 2 \cdot \color{blue}{\frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
  11. Step-by-step derivation
    1. unpow253.5%

      \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
    2. *-commutative53.5%

      \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
    3. times-frac57.8%

      \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
  12. Simplified57.8%

    \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
  13. Step-by-step derivation
    1. associate-*l/58.0%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
  14. Applied egg-rr58.0%

    \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
  15. Final simplification58.0%

    \[\leadsto 2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t} \]

Reproduce

?
herbie shell --seed 2023274 
(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))))