Toniolo and Linder, Equation (10+)

Percentage Accurate: 55.3% → 88.9%
Time: 28.2s
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: 55.3% 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: 88.9% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \sqrt[3]{\sin k}\\ t_2 := \sqrt[3]{\tan k}\\ \mathbf{if}\;t \leq -2.9 \cdot 10^{-29}:\\ \;\;\;\;\frac{2}{{\left(\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot t_1\right) \cdot t_2\right)}^{3} \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\\ \mathbf{elif}\;t \leq 4.2 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{{\left(t_2 \cdot \left(t_1 \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)\right)}^{3} \cdot \left(1 + \left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right)\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (cbrt (sin k))) (t_2 (cbrt (tan k))))
   (if (<= t -2.9e-29)
     (/
      2.0
      (*
       (pow (* (* (* t (pow (cbrt l) -2.0)) t_1) t_2) 3.0)
       (+ 1.0 (+ 1.0 (pow (/ k t) 2.0)))))
     (if (<= t 4.2e-48)
       (/ (* l (* (/ 2.0 (* t (pow k 2.0))) (/ l (sin k)))) (tan k))
       (/
        2.0
        (*
         (pow (* t_2 (* t_1 (/ t (pow (cbrt l) 2.0)))) 3.0)
         (+ 1.0 (+ 1.0 (/ (/ k t) (/ t k))))))))))
double code(double t, double l, double k) {
	double t_1 = cbrt(sin(k));
	double t_2 = cbrt(tan(k));
	double tmp;
	if (t <= -2.9e-29) {
		tmp = 2.0 / (pow((((t * pow(cbrt(l), -2.0)) * t_1) * t_2), 3.0) * (1.0 + (1.0 + pow((k / t), 2.0))));
	} else if (t <= 4.2e-48) {
		tmp = (l * ((2.0 / (t * pow(k, 2.0))) * (l / sin(k)))) / tan(k);
	} else {
		tmp = 2.0 / (pow((t_2 * (t_1 * (t / pow(cbrt(l), 2.0)))), 3.0) * (1.0 + (1.0 + ((k / t) / (t / k)))));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = Math.cbrt(Math.sin(k));
	double t_2 = Math.cbrt(Math.tan(k));
	double tmp;
	if (t <= -2.9e-29) {
		tmp = 2.0 / (Math.pow((((t * Math.pow(Math.cbrt(l), -2.0)) * t_1) * t_2), 3.0) * (1.0 + (1.0 + Math.pow((k / t), 2.0))));
	} else if (t <= 4.2e-48) {
		tmp = (l * ((2.0 / (t * Math.pow(k, 2.0))) * (l / Math.sin(k)))) / Math.tan(k);
	} else {
		tmp = 2.0 / (Math.pow((t_2 * (t_1 * (t / Math.pow(Math.cbrt(l), 2.0)))), 3.0) * (1.0 + (1.0 + ((k / t) / (t / k)))));
	}
	return tmp;
}
function code(t, l, k)
	t_1 = cbrt(sin(k))
	t_2 = cbrt(tan(k))
	tmp = 0.0
	if (t <= -2.9e-29)
		tmp = Float64(2.0 / Float64((Float64(Float64(Float64(t * (cbrt(l) ^ -2.0)) * t_1) * t_2) ^ 3.0) * Float64(1.0 + Float64(1.0 + (Float64(k / t) ^ 2.0)))));
	elseif (t <= 4.2e-48)
		tmp = Float64(Float64(l * Float64(Float64(2.0 / Float64(t * (k ^ 2.0))) * Float64(l / sin(k)))) / tan(k));
	else
		tmp = Float64(2.0 / Float64((Float64(t_2 * Float64(t_1 * Float64(t / (cbrt(l) ^ 2.0)))) ^ 3.0) * Float64(1.0 + Float64(1.0 + Float64(Float64(k / t) / Float64(t / k))))));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision]}, Block[{t$95$2 = N[Power[N[Tan[k], $MachinePrecision], 1/3], $MachinePrecision]}, If[LessEqual[t, -2.9e-29], N[(2.0 / N[(N[Power[N[(N[(N[(t * N[Power[N[Power[l, 1/3], $MachinePrecision], -2.0], $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision] * t$95$2), $MachinePrecision], 3.0], $MachinePrecision] * N[(1.0 + N[(1.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 4.2e-48], N[(N[(l * N[(N[(2.0 / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[Power[N[(t$95$2 * N[(t$95$1 * N[(t / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] * N[(1.0 + N[(1.0 + N[(N[(k / t), $MachinePrecision] / N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \sqrt[3]{\sin k}\\
t_2 := \sqrt[3]{\tan k}\\
\mathbf{if}\;t \leq -2.9 \cdot 10^{-29}:\\
\;\;\;\;\frac{2}{{\left(\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot t_1\right) \cdot t_2\right)}^{3} \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\\

\mathbf{elif}\;t \leq 4.2 \cdot 10^{-48}:\\
\;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{{\left(t_2 \cdot \left(t_1 \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)\right)}^{3} \cdot \left(1 + \left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right)\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -2.90000000000000024e-29

    1. Initial program 58.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*64.7%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. add-cube-cbrt64.7%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. *-un-lft-identity64.7%

        \[\leadsto \frac{2}{\left(\left(\frac{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{\color{blue}{1 \cdot \ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. times-frac64.7%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow264.7%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{2}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. cbrt-div64.7%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. rem-cbrt-cube64.7%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. cbrt-div64.7%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      9. rem-cbrt-cube79.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{\color{blue}{t}}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr79.2%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. add-cube-cbrt79.0%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k} \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right) \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow379.0%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. cbrt-prod79.0%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. frac-times73.3%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\color{blue}{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. unpow273.3%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right)} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. *-un-lft-identity73.3%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}{\color{blue}{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. cbrt-div74.7%

        \[\leadsto \frac{2}{\left({\left(\color{blue}{\frac{\sqrt[3]{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. add-cbrt-cube87.7%

        \[\leadsto \frac{2}{\left({\left(\frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    5. Applied egg-rr87.7%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. add-cube-cbrt87.6%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k} \cdot \sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}\right) \cdot \sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}\right)} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow387.7%

        \[\leadsto \frac{2}{\color{blue}{{\left(\sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}\right)}^{3}} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. cbrt-prod87.6%

        \[\leadsto \frac{2}{{\color{blue}{\left(\sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3}} \cdot \sqrt[3]{\tan k}\right)}}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. unpow387.6%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\color{blue}{\left(\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right) \cdot \left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)\right) \cdot \left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}} \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. add-cbrt-cube91.6%

        \[\leadsto \frac{2}{{\left(\color{blue}{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)} \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. associate-/l/91.5%

        \[\leadsto \frac{2}{{\left(\left(\color{blue}{\frac{t}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. pow291.5%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    7. Applied egg-rr91.5%

      \[\leadsto \frac{2}{\color{blue}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3}} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    8. Step-by-step derivation
      1. expm1-log1p-u61.1%

        \[\leadsto \frac{2}{{\left(\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)\right)} \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. expm1-udef49.2%

        \[\leadsto \frac{2}{{\left(\color{blue}{\left(e^{\mathsf{log1p}\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)} - 1\right)} \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. div-inv49.2%

        \[\leadsto \frac{2}{{\left(\left(e^{\mathsf{log1p}\left(\color{blue}{\left(t \cdot \frac{1}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)} \cdot \sqrt[3]{\sin k}\right)} - 1\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow-flip49.2%

        \[\leadsto \frac{2}{{\left(\left(e^{\mathsf{log1p}\left(\left(t \cdot \color{blue}{{\left(\sqrt[3]{\ell}\right)}^{\left(-2\right)}}\right) \cdot \sqrt[3]{\sin k}\right)} - 1\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. metadata-eval49.2%

        \[\leadsto \frac{2}{{\left(\left(e^{\mathsf{log1p}\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{\color{blue}{-2}}\right) \cdot \sqrt[3]{\sin k}\right)} - 1\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    9. Applied egg-rr49.2%

      \[\leadsto \frac{2}{{\left(\color{blue}{\left(e^{\mathsf{log1p}\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k}\right)} - 1\right)} \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    10. Step-by-step derivation
      1. expm1-def61.1%

        \[\leadsto \frac{2}{{\left(\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k}\right)\right)} \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. expm1-log1p91.6%

        \[\leadsto \frac{2}{{\left(\color{blue}{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k}\right)} \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    11. Simplified91.6%

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

    if -2.90000000000000024e-29 < t < 4.19999999999999977e-48

    1. Initial program 36.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified35.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*41.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*41.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac43.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv43.5%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip43.5%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval43.5%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr43.5%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac43.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified43.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 80.2%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/80.2%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*80.2%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified80.2%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Step-by-step derivation
      1. associate-*r/80.3%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac82.5%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{k}^{2} \cdot t} \cdot \frac{\ell}{\sin k}\right)} \cdot \ell}{\tan k} \]
      3. *-commutative82.5%

        \[\leadsto \frac{\left(\frac{2}{\color{blue}{t \cdot {k}^{2}}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k} \]
    11. Applied egg-rr82.5%

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

    if 4.19999999999999977e-48 < t

    1. Initial program 67.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*72.7%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. add-cube-cbrt72.6%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. *-un-lft-identity72.6%

        \[\leadsto \frac{2}{\left(\left(\frac{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{\color{blue}{1 \cdot \ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. times-frac72.6%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow272.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{2}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. cbrt-div72.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. rem-cbrt-cube72.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. cbrt-div72.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      9. rem-cbrt-cube85.0%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{\color{blue}{t}}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr85.0%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. add-cube-cbrt84.9%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k} \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right) \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow384.8%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. cbrt-prod84.8%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. frac-times78.6%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\color{blue}{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. unpow278.6%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right)} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. *-un-lft-identity78.6%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}{\color{blue}{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. cbrt-div78.6%

        \[\leadsto \frac{2}{\left({\left(\color{blue}{\frac{\sqrt[3]{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. add-cbrt-cube89.5%

        \[\leadsto \frac{2}{\left({\left(\frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    5. Applied egg-rr89.5%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. add-cube-cbrt89.5%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k} \cdot \sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}\right) \cdot \sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}\right)} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow389.5%

        \[\leadsto \frac{2}{\color{blue}{{\left(\sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}\right)}^{3}} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. cbrt-prod89.2%

        \[\leadsto \frac{2}{{\color{blue}{\left(\sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3}} \cdot \sqrt[3]{\tan k}\right)}}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. unpow389.3%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\color{blue}{\left(\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right) \cdot \left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)\right) \cdot \left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}} \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. add-cbrt-cube95.2%

        \[\leadsto \frac{2}{{\left(\color{blue}{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)} \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. associate-/l/95.3%

        \[\leadsto \frac{2}{{\left(\left(\color{blue}{\frac{t}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. pow295.3%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    7. Applied egg-rr95.3%

      \[\leadsto \frac{2}{\color{blue}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3}} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    8. Step-by-step derivation
      1. unpow295.3%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) + 1\right)} \]
      2. clear-num95.3%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \frac{k}{t} \cdot \color{blue}{\frac{1}{\frac{t}{k}}}\right) + 1\right)} \]
      3. un-div-inv95.3%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}\right) + 1\right)} \]
    9. Applied egg-rr95.3%

      \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}\right) + 1\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification88.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -2.9 \cdot 10^{-29}:\\ \;\;\;\;\frac{2}{{\left(\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\\ \mathbf{elif}\;t \leq 4.2 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{{\left(\sqrt[3]{\tan k} \cdot \left(\sqrt[3]{\sin k} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)\right)}^{3} \cdot \left(1 + \left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right)\right)}\\ \end{array} \]

Alternative 2: 78.7% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ \mathbf{if}\;\left(1 + \left(1 + t_1\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right) \leq \infty:\\ \;\;\;\;\frac{\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + t_1}}{\frac{\tan k}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \left(2 \cdot \frac{\frac{\ell}{\sin k}}{t \cdot {k}^{2}}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0)))
   (if (<=
        (* (+ 1.0 (+ 1.0 t_1)) (* (tan k) (* (sin k) (/ (pow t 3.0) (* l l)))))
        INFINITY)
     (/ (* (/ (* 2.0 (pow t -3.0)) (sin k)) (/ l (+ 2.0 t_1))) (/ (tan k) l))
     (* (/ l (tan k)) (* 2.0 (/ (/ l (sin k)) (* t (pow k 2.0))))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double tmp;
	if (((1.0 + (1.0 + t_1)) * (tan(k) * (sin(k) * (pow(t, 3.0) / (l * l))))) <= ((double) INFINITY)) {
		tmp = (((2.0 * pow(t, -3.0)) / sin(k)) * (l / (2.0 + t_1))) / (tan(k) / l);
	} else {
		tmp = (l / tan(k)) * (2.0 * ((l / sin(k)) / (t * pow(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 (((1.0 + (1.0 + t_1)) * (Math.tan(k) * (Math.sin(k) * (Math.pow(t, 3.0) / (l * l))))) <= Double.POSITIVE_INFINITY) {
		tmp = (((2.0 * Math.pow(t, -3.0)) / Math.sin(k)) * (l / (2.0 + t_1))) / (Math.tan(k) / l);
	} else {
		tmp = (l / Math.tan(k)) * (2.0 * ((l / Math.sin(k)) / (t * Math.pow(k, 2.0))));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = math.pow((k / t), 2.0)
	tmp = 0
	if ((1.0 + (1.0 + t_1)) * (math.tan(k) * (math.sin(k) * (math.pow(t, 3.0) / (l * l))))) <= math.inf:
		tmp = (((2.0 * math.pow(t, -3.0)) / math.sin(k)) * (l / (2.0 + t_1))) / (math.tan(k) / l)
	else:
		tmp = (l / math.tan(k)) * (2.0 * ((l / math.sin(k)) / (t * math.pow(k, 2.0))))
	return tmp
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	tmp = 0.0
	if (Float64(Float64(1.0 + Float64(1.0 + t_1)) * Float64(tan(k) * Float64(sin(k) * Float64((t ^ 3.0) / Float64(l * l))))) <= Inf)
		tmp = Float64(Float64(Float64(Float64(2.0 * (t ^ -3.0)) / sin(k)) * Float64(l / Float64(2.0 + t_1))) / Float64(tan(k) / l));
	else
		tmp = Float64(Float64(l / tan(k)) * Float64(2.0 * Float64(Float64(l / sin(k)) / Float64(t * (k ^ 2.0)))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = (k / t) ^ 2.0;
	tmp = 0.0;
	if (((1.0 + (1.0 + t_1)) * (tan(k) * (sin(k) * ((t ^ 3.0) / (l * l))))) <= Inf)
		tmp = (((2.0 * (t ^ -3.0)) / sin(k)) * (l / (2.0 + t_1))) / (tan(k) / l);
	else
		tmp = (l / tan(k)) * (2.0 * ((l / sin(k)) / (t * (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[(N[(1.0 + N[(1.0 + t$95$1), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], Infinity], N[(N[(N[(N[(2.0 * N[Power[t, -3.0], $MachinePrecision]), $MachinePrecision] / N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[(l / N[(2.0 + t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[Tan[k], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(2.0 * N[(N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision] / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

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

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (*.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)) < +inf.0

    1. Initial program 80.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified74.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*75.6%

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

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac87.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv87.4%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip87.9%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval87.9%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr87.9%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac86.2%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified86.2%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Step-by-step derivation
      1. associate-*r/84.0%

        \[\leadsto \color{blue}{\frac{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k}} \]
    8. Applied egg-rr84.0%

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

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}}{\frac{\tan k}{\ell}}} \]
      2. associate-*l/89.2%

        \[\leadsto \frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \frac{\ell}{\sin k}}{2 + {\left(\frac{k}{t}\right)}^{2}}}}{\frac{\tan k}{\ell}} \]
      3. associate-*r/87.9%

        \[\leadsto \frac{\frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\sin k}}}{2 + {\left(\frac{k}{t}\right)}^{2}}}{\frac{\tan k}{\ell}} \]
      4. associate-/r*87.9%

        \[\leadsto \frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\sin k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}}}{\frac{\tan k}{\ell}} \]
      5. times-frac88.7%

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

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

    if +inf.0 < (*.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 0.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified0.0%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*14.7%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*14.7%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac14.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv14.7%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip16.8%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval16.8%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr16.8%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac16.9%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified16.9%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 59.6%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/59.6%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*59.6%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified59.6%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Taylor expanded in l around 0 59.6%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    11. Step-by-step derivation
      1. *-commutative59.6%

        \[\leadsto \left(2 \cdot \frac{\ell}{\color{blue}{\left(t \cdot \sin k\right) \cdot {k}^{2}}}\right) \cdot \frac{\ell}{\tan k} \]
      2. *-commutative59.6%

        \[\leadsto \left(2 \cdot \frac{\ell}{\color{blue}{\left(\sin k \cdot t\right)} \cdot {k}^{2}}\right) \cdot \frac{\ell}{\tan k} \]
      3. associate-*r*59.6%

        \[\leadsto \left(2 \cdot \frac{\ell}{\color{blue}{\sin k \cdot \left(t \cdot {k}^{2}\right)}}\right) \cdot \frac{\ell}{\tan k} \]
      4. associate-/r*61.3%

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

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

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\frac{\ell}{\sin k}}{{k}^{2} \cdot t}\right)} \cdot \frac{\ell}{\tan k} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification78.6%

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

Alternative 3: 88.9% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -1.12 \cdot 10^{-30} \lor \neg \left(t \leq 3.9 \cdot 10^{-48}\right):\\ \;\;\;\;\frac{2}{{\left(\sqrt[3]{\tan k} \cdot \left(\sqrt[3]{\sin k} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)\right)}^{3} \cdot \left(1 + \left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (or (<= t -1.12e-30) (not (<= t 3.9e-48)))
   (/
    2.0
    (*
     (pow (* (cbrt (tan k)) (* (cbrt (sin k)) (/ t (pow (cbrt l) 2.0)))) 3.0)
     (+ 1.0 (+ 1.0 (/ (/ k t) (/ t k))))))
   (/ (* l (* (/ 2.0 (* t (pow k 2.0))) (/ l (sin k)))) (tan k))))
double code(double t, double l, double k) {
	double tmp;
	if ((t <= -1.12e-30) || !(t <= 3.9e-48)) {
		tmp = 2.0 / (pow((cbrt(tan(k)) * (cbrt(sin(k)) * (t / pow(cbrt(l), 2.0)))), 3.0) * (1.0 + (1.0 + ((k / t) / (t / k)))));
	} else {
		tmp = (l * ((2.0 / (t * pow(k, 2.0))) * (l / sin(k)))) / tan(k);
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double tmp;
	if ((t <= -1.12e-30) || !(t <= 3.9e-48)) {
		tmp = 2.0 / (Math.pow((Math.cbrt(Math.tan(k)) * (Math.cbrt(Math.sin(k)) * (t / Math.pow(Math.cbrt(l), 2.0)))), 3.0) * (1.0 + (1.0 + ((k / t) / (t / k)))));
	} else {
		tmp = (l * ((2.0 / (t * Math.pow(k, 2.0))) * (l / Math.sin(k)))) / Math.tan(k);
	}
	return tmp;
}
function code(t, l, k)
	tmp = 0.0
	if ((t <= -1.12e-30) || !(t <= 3.9e-48))
		tmp = Float64(2.0 / Float64((Float64(cbrt(tan(k)) * Float64(cbrt(sin(k)) * Float64(t / (cbrt(l) ^ 2.0)))) ^ 3.0) * Float64(1.0 + Float64(1.0 + Float64(Float64(k / t) / Float64(t / k))))));
	else
		tmp = Float64(Float64(l * Float64(Float64(2.0 / Float64(t * (k ^ 2.0))) * Float64(l / sin(k)))) / tan(k));
	end
	return tmp
end
code[t_, l_, k_] := If[Or[LessEqual[t, -1.12e-30], N[Not[LessEqual[t, 3.9e-48]], $MachinePrecision]], N[(2.0 / N[(N[Power[N[(N[Power[N[Tan[k], $MachinePrecision], 1/3], $MachinePrecision] * N[(N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision] * N[(t / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] * N[(1.0 + N[(1.0 + N[(N[(k / t), $MachinePrecision] / N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l * N[(N[(2.0 / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.12 \cdot 10^{-30} \lor \neg \left(t \leq 3.9 \cdot 10^{-48}\right):\\
\;\;\;\;\frac{2}{{\left(\sqrt[3]{\tan k} \cdot \left(\sqrt[3]{\sin k} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)\right)}^{3} \cdot \left(1 + \left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right)\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < -1.12e-30 or 3.9e-48 < t

    1. Initial program 63.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*69.1%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. add-cube-cbrt69.0%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. *-un-lft-identity69.0%

        \[\leadsto \frac{2}{\left(\left(\frac{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{\color{blue}{1 \cdot \ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. times-frac69.0%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow269.0%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{2}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. cbrt-div69.0%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. rem-cbrt-cube69.0%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. cbrt-div69.0%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      9. rem-cbrt-cube82.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{\color{blue}{t}}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr82.3%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. add-cube-cbrt82.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k} \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right) \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow382.2%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. cbrt-prod82.1%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. frac-times76.2%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\color{blue}{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. unpow276.2%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right)} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. *-un-lft-identity76.2%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}{\color{blue}{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. cbrt-div76.8%

        \[\leadsto \frac{2}{\left({\left(\color{blue}{\frac{\sqrt[3]{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. add-cbrt-cube88.6%

        \[\leadsto \frac{2}{\left({\left(\frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    5. Applied egg-rr88.6%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. add-cube-cbrt88.6%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k} \cdot \sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}\right) \cdot \sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}\right)} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow388.7%

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

        \[\leadsto \frac{2}{{\color{blue}{\left(\sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3}} \cdot \sqrt[3]{\tan k}\right)}}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. unpow388.5%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\color{blue}{\left(\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right) \cdot \left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)\right) \cdot \left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}} \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. add-cbrt-cube93.5%

        \[\leadsto \frac{2}{{\left(\color{blue}{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)} \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. associate-/l/93.6%

        \[\leadsto \frac{2}{{\left(\left(\color{blue}{\frac{t}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. pow293.6%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    7. Applied egg-rr93.6%

      \[\leadsto \frac{2}{\color{blue}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3}} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    8. Step-by-step derivation
      1. unpow293.6%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) + 1\right)} \]
      2. clear-num93.6%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \frac{k}{t} \cdot \color{blue}{\frac{1}{\frac{t}{k}}}\right) + 1\right)} \]
      3. un-div-inv93.6%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}\right) + 1\right)} \]
    9. Applied egg-rr93.6%

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

    if -1.12e-30 < t < 3.9e-48

    1. Initial program 36.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified35.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*41.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*41.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac43.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv43.5%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip43.5%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval43.5%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr43.5%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac43.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified43.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 80.2%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/80.2%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*80.2%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified80.2%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Step-by-step derivation
      1. associate-*r/80.3%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac82.5%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{k}^{2} \cdot t} \cdot \frac{\ell}{\sin k}\right)} \cdot \ell}{\tan k} \]
      3. *-commutative82.5%

        \[\leadsto \frac{\left(\frac{2}{\color{blue}{t \cdot {k}^{2}}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k} \]
    11. Applied egg-rr82.5%

      \[\leadsto \color{blue}{\frac{\left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification88.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.12 \cdot 10^{-30} \lor \neg \left(t \leq 3.9 \cdot 10^{-48}\right):\\ \;\;\;\;\frac{2}{{\left(\sqrt[3]{\tan k} \cdot \left(\sqrt[3]{\sin k} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)\right)}^{3} \cdot \left(1 + \left(1 + \frac{\frac{k}{t}}{\frac{t}{k}}\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \end{array} \]

Alternative 4: 84.8% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -5.5 \cdot 10^{+68} \lor \neg \left(t \leq 2.4 \cdot 10^{-48}\right):\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\tan k \cdot {\left(\sqrt[3]{\sin k} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (or (<= t -5.5e+68) (not (<= t 2.4e-48)))
   (/
    2.0
    (*
     (+ 1.0 (+ 1.0 (pow (/ k t) 2.0)))
     (* (tan k) (pow (* (cbrt (sin k)) (/ t (pow (cbrt l) 2.0))) 3.0))))
   (/ (* l (* (/ 2.0 (* t (pow k 2.0))) (/ l (sin k)))) (tan k))))
double code(double t, double l, double k) {
	double tmp;
	if ((t <= -5.5e+68) || !(t <= 2.4e-48)) {
		tmp = 2.0 / ((1.0 + (1.0 + pow((k / t), 2.0))) * (tan(k) * pow((cbrt(sin(k)) * (t / pow(cbrt(l), 2.0))), 3.0)));
	} else {
		tmp = (l * ((2.0 / (t * pow(k, 2.0))) * (l / sin(k)))) / tan(k);
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double tmp;
	if ((t <= -5.5e+68) || !(t <= 2.4e-48)) {
		tmp = 2.0 / ((1.0 + (1.0 + Math.pow((k / t), 2.0))) * (Math.tan(k) * Math.pow((Math.cbrt(Math.sin(k)) * (t / Math.pow(Math.cbrt(l), 2.0))), 3.0)));
	} else {
		tmp = (l * ((2.0 / (t * Math.pow(k, 2.0))) * (l / Math.sin(k)))) / Math.tan(k);
	}
	return tmp;
}
function code(t, l, k)
	tmp = 0.0
	if ((t <= -5.5e+68) || !(t <= 2.4e-48))
		tmp = Float64(2.0 / Float64(Float64(1.0 + Float64(1.0 + (Float64(k / t) ^ 2.0))) * Float64(tan(k) * (Float64(cbrt(sin(k)) * Float64(t / (cbrt(l) ^ 2.0))) ^ 3.0))));
	else
		tmp = Float64(Float64(l * Float64(Float64(2.0 / Float64(t * (k ^ 2.0))) * Float64(l / sin(k)))) / tan(k));
	end
	return tmp
end
code[t_, l_, k_] := If[Or[LessEqual[t, -5.5e+68], N[Not[LessEqual[t, 2.4e-48]], $MachinePrecision]], N[(2.0 / N[(N[(1.0 + N[(1.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Power[N[(N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision] * N[(t / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l * N[(N[(2.0 / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -5.5 \cdot 10^{+68} \lor \neg \left(t \leq 2.4 \cdot 10^{-48}\right):\\
\;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\tan k \cdot {\left(\sqrt[3]{\sin k} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < -5.5000000000000004e68 or 2.4e-48 < t

    1. Initial program 61.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*68.4%

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

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. *-un-lft-identity68.3%

        \[\leadsto \frac{2}{\left(\left(\frac{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{\color{blue}{1 \cdot \ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. times-frac68.3%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow268.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{2}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. cbrt-div68.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. rem-cbrt-cube68.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. cbrt-div68.3%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      9. rem-cbrt-cube84.4%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{\color{blue}{t}}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr84.4%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. add-cube-cbrt84.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k} \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right) \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow384.2%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. cbrt-prod84.2%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. frac-times77.1%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\color{blue}{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. unpow277.1%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right)} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. *-un-lft-identity77.1%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}{\color{blue}{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. cbrt-div77.0%

        \[\leadsto \frac{2}{\left({\left(\color{blue}{\frac{\sqrt[3]{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. add-cbrt-cube91.2%

        \[\leadsto \frac{2}{\left({\left(\frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    5. Applied egg-rr91.2%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. expm1-log1p-u66.0%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)\right)\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. expm1-udef49.9%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(e^{\mathsf{log1p}\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)} - 1\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. associate-/l/49.9%

        \[\leadsto \frac{2}{\left({\left(e^{\mathsf{log1p}\left(\color{blue}{\frac{t}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)} - 1\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow249.9%

        \[\leadsto \frac{2}{\left({\left(e^{\mathsf{log1p}\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}} \cdot \sqrt[3]{\sin k}\right)} - 1\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    7. Applied egg-rr49.9%

      \[\leadsto \frac{2}{\left({\color{blue}{\left(e^{\mathsf{log1p}\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)} - 1\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    8. Step-by-step derivation
      1. expm1-def66.1%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)\right)\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. expm1-log1p91.2%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    9. Simplified91.2%

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

    if -5.5000000000000004e68 < t < 2.4e-48

    1. Initial program 42.6%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*46.4%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*46.4%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac51.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv51.9%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip51.9%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval51.9%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr51.9%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac51.9%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified51.9%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 80.1%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/80.1%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*80.2%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified80.2%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Step-by-step derivation
      1. associate-*r/80.2%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac82.0%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{k}^{2} \cdot t} \cdot \frac{\ell}{\sin k}\right)} \cdot \ell}{\tan k} \]
      3. *-commutative82.0%

        \[\leadsto \frac{\left(\frac{2}{\color{blue}{t \cdot {k}^{2}}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k} \]
    11. Applied egg-rr82.0%

      \[\leadsto \color{blue}{\frac{\left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification86.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -5.5 \cdot 10^{+68} \lor \neg \left(t \leq 2.4 \cdot 10^{-48}\right):\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\tan k \cdot {\left(\sqrt[3]{\sin k} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \end{array} \]

Alternative 5: 84.8% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \sqrt[3]{\sin k}\\ t_2 := 1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\\ \mathbf{if}\;t \leq -5.5 \cdot 10^{+68}:\\ \;\;\;\;\frac{2}{t_2 \cdot \left(\tan k \cdot {\left(t_1 \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{3}\right)}\\ \mathbf{elif}\;t \leq 3.8 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{t_2 \cdot \left(\tan k \cdot {\left(t_1 \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (cbrt (sin k))) (t_2 (+ 1.0 (+ 1.0 (pow (/ k t) 2.0)))))
   (if (<= t -5.5e+68)
     (/ 2.0 (* t_2 (* (tan k) (pow (* t_1 (/ (/ t (cbrt l)) (cbrt l))) 3.0))))
     (if (<= t 3.8e-48)
       (/ (* l (* (/ 2.0 (* t (pow k 2.0))) (/ l (sin k)))) (tan k))
       (/
        2.0
        (* t_2 (* (tan k) (pow (* t_1 (/ t (pow (cbrt l) 2.0))) 3.0))))))))
double code(double t, double l, double k) {
	double t_1 = cbrt(sin(k));
	double t_2 = 1.0 + (1.0 + pow((k / t), 2.0));
	double tmp;
	if (t <= -5.5e+68) {
		tmp = 2.0 / (t_2 * (tan(k) * pow((t_1 * ((t / cbrt(l)) / cbrt(l))), 3.0)));
	} else if (t <= 3.8e-48) {
		tmp = (l * ((2.0 / (t * pow(k, 2.0))) * (l / sin(k)))) / tan(k);
	} else {
		tmp = 2.0 / (t_2 * (tan(k) * pow((t_1 * (t / pow(cbrt(l), 2.0))), 3.0)));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = Math.cbrt(Math.sin(k));
	double t_2 = 1.0 + (1.0 + Math.pow((k / t), 2.0));
	double tmp;
	if (t <= -5.5e+68) {
		tmp = 2.0 / (t_2 * (Math.tan(k) * Math.pow((t_1 * ((t / Math.cbrt(l)) / Math.cbrt(l))), 3.0)));
	} else if (t <= 3.8e-48) {
		tmp = (l * ((2.0 / (t * Math.pow(k, 2.0))) * (l / Math.sin(k)))) / Math.tan(k);
	} else {
		tmp = 2.0 / (t_2 * (Math.tan(k) * Math.pow((t_1 * (t / Math.pow(Math.cbrt(l), 2.0))), 3.0)));
	}
	return tmp;
}
function code(t, l, k)
	t_1 = cbrt(sin(k))
	t_2 = Float64(1.0 + Float64(1.0 + (Float64(k / t) ^ 2.0)))
	tmp = 0.0
	if (t <= -5.5e+68)
		tmp = Float64(2.0 / Float64(t_2 * Float64(tan(k) * (Float64(t_1 * Float64(Float64(t / cbrt(l)) / cbrt(l))) ^ 3.0))));
	elseif (t <= 3.8e-48)
		tmp = Float64(Float64(l * Float64(Float64(2.0 / Float64(t * (k ^ 2.0))) * Float64(l / sin(k)))) / tan(k));
	else
		tmp = Float64(2.0 / Float64(t_2 * Float64(tan(k) * (Float64(t_1 * Float64(t / (cbrt(l) ^ 2.0))) ^ 3.0))));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision]}, Block[{t$95$2 = N[(1.0 + N[(1.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -5.5e+68], N[(2.0 / N[(t$95$2 * N[(N[Tan[k], $MachinePrecision] * N[Power[N[(t$95$1 * N[(N[(t / N[Power[l, 1/3], $MachinePrecision]), $MachinePrecision] / N[Power[l, 1/3], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 3.8e-48], N[(N[(l * N[(N[(2.0 / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(t$95$2 * N[(N[Tan[k], $MachinePrecision] * N[Power[N[(t$95$1 * N[(t / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \sqrt[3]{\sin k}\\
t_2 := 1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\\
\mathbf{if}\;t \leq -5.5 \cdot 10^{+68}:\\
\;\;\;\;\frac{2}{t_2 \cdot \left(\tan k \cdot {\left(t_1 \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{3}\right)}\\

\mathbf{elif}\;t \leq 3.8 \cdot 10^{-48}:\\
\;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{t_2 \cdot \left(\tan k \cdot {\left(t_1 \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -5.5000000000000004e68

    1. Initial program 49.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*60.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. add-cube-cbrt60.2%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. *-un-lft-identity60.2%

        \[\leadsto \frac{2}{\left(\left(\frac{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{\color{blue}{1 \cdot \ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. times-frac60.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow260.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{2}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. cbrt-div60.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. rem-cbrt-cube60.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. cbrt-div60.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      9. rem-cbrt-cube83.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{\color{blue}{t}}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr83.2%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. add-cube-cbrt83.1%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k} \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right) \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow383.1%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. cbrt-prod83.1%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. frac-times74.1%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\color{blue}{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. unpow274.1%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right)} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. *-un-lft-identity74.1%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}{\color{blue}{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. cbrt-div74.0%

        \[\leadsto \frac{2}{\left({\left(\color{blue}{\frac{\sqrt[3]{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. add-cbrt-cube94.5%

        \[\leadsto \frac{2}{\left({\left(\frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    5. Applied egg-rr94.5%

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

    if -5.5000000000000004e68 < t < 3.80000000000000002e-48

    1. Initial program 42.6%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*46.4%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*46.4%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac51.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv51.9%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip51.9%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval51.9%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr51.9%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac51.9%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified51.9%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 80.1%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/80.1%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*80.2%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified80.2%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Step-by-step derivation
      1. associate-*r/80.2%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac82.0%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{k}^{2} \cdot t} \cdot \frac{\ell}{\sin k}\right)} \cdot \ell}{\tan k} \]
      3. *-commutative82.0%

        \[\leadsto \frac{\left(\frac{2}{\color{blue}{t \cdot {k}^{2}}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k} \]
    11. Applied egg-rr82.0%

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

    if 3.80000000000000002e-48 < t

    1. Initial program 67.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*72.7%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. add-cube-cbrt72.6%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. *-un-lft-identity72.6%

        \[\leadsto \frac{2}{\left(\left(\frac{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{\color{blue}{1 \cdot \ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. times-frac72.6%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow272.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{2}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. cbrt-div72.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. rem-cbrt-cube72.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. cbrt-div72.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      9. rem-cbrt-cube85.0%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{\color{blue}{t}}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr85.0%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. add-cube-cbrt84.9%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k} \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right) \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow384.8%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. cbrt-prod84.8%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. frac-times78.6%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\color{blue}{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. unpow278.6%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right)} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. *-un-lft-identity78.6%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}{\color{blue}{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. cbrt-div78.6%

        \[\leadsto \frac{2}{\left({\left(\color{blue}{\frac{\sqrt[3]{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. add-cbrt-cube89.5%

        \[\leadsto \frac{2}{\left({\left(\frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    5. Applied egg-rr89.5%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. expm1-log1p-u72.4%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)\right)\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. expm1-udef52.4%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(e^{\mathsf{log1p}\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)} - 1\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. associate-/l/52.4%

        \[\leadsto \frac{2}{\left({\left(e^{\mathsf{log1p}\left(\color{blue}{\frac{t}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)} - 1\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. pow252.4%

        \[\leadsto \frac{2}{\left({\left(e^{\mathsf{log1p}\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}} \cdot \sqrt[3]{\sin k}\right)} - 1\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    7. Applied egg-rr52.4%

      \[\leadsto \frac{2}{\left({\color{blue}{\left(e^{\mathsf{log1p}\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)} - 1\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    8. Step-by-step derivation
      1. expm1-def72.4%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)\right)\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. expm1-log1p89.5%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    9. Simplified89.5%

      \[\leadsto \frac{2}{\left({\color{blue}{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification86.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -5.5 \cdot 10^{+68}:\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\tan k \cdot {\left(\sqrt[3]{\sin k} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{3}\right)}\\ \mathbf{elif}\;t \leq 3.8 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\tan k \cdot {\left(\sqrt[3]{\sin k} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}\\ \end{array} \]

Alternative 6: 71.7% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ t_2 := \frac{2}{\left(1 + \left(1 + t_1\right)\right) \cdot \left(\tan k \cdot {\left(\sqrt[3]{\sin k} \cdot \left(t \cdot {\ell}^{-0.6666666666666666}\right)\right)}^{3}\right)}\\ t_3 := \frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + t_1}\\ \mathbf{if}\;t \leq -6.7 \cdot 10^{+103}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t \leq -3 \cdot 10^{-30}:\\ \;\;\;\;\frac{t_3}{\frac{\tan k}{\ell}}\\ \mathbf{elif}\;t \leq 2.1 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{elif}\;t \leq 2.6 \cdot 10^{+104}:\\ \;\;\;\;t_3 \cdot \frac{\ell}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0))
        (t_2
         (/
          2.0
          (*
           (+ 1.0 (+ 1.0 t_1))
           (*
            (tan k)
            (pow (* (cbrt (sin k)) (* t (pow l -0.6666666666666666))) 3.0)))))
        (t_3 (* (/ (* 2.0 (pow t -3.0)) (sin k)) (/ l (+ 2.0 t_1)))))
   (if (<= t -6.7e+103)
     t_2
     (if (<= t -3e-30)
       (/ t_3 (/ (tan k) l))
       (if (<= t 2.1e-48)
         (/ (* l (* (/ 2.0 (* t (pow k 2.0))) (/ l (sin k)))) (tan k))
         (if (<= t 2.6e+104) (* t_3 (/ l (tan k))) t_2))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double t_2 = 2.0 / ((1.0 + (1.0 + t_1)) * (tan(k) * pow((cbrt(sin(k)) * (t * pow(l, -0.6666666666666666))), 3.0)));
	double t_3 = ((2.0 * pow(t, -3.0)) / sin(k)) * (l / (2.0 + t_1));
	double tmp;
	if (t <= -6.7e+103) {
		tmp = t_2;
	} else if (t <= -3e-30) {
		tmp = t_3 / (tan(k) / l);
	} else if (t <= 2.1e-48) {
		tmp = (l * ((2.0 / (t * pow(k, 2.0))) * (l / sin(k)))) / tan(k);
	} else if (t <= 2.6e+104) {
		tmp = t_3 * (l / tan(k));
	} else {
		tmp = t_2;
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = Math.pow((k / t), 2.0);
	double t_2 = 2.0 / ((1.0 + (1.0 + t_1)) * (Math.tan(k) * Math.pow((Math.cbrt(Math.sin(k)) * (t * Math.pow(l, -0.6666666666666666))), 3.0)));
	double t_3 = ((2.0 * Math.pow(t, -3.0)) / Math.sin(k)) * (l / (2.0 + t_1));
	double tmp;
	if (t <= -6.7e+103) {
		tmp = t_2;
	} else if (t <= -3e-30) {
		tmp = t_3 / (Math.tan(k) / l);
	} else if (t <= 2.1e-48) {
		tmp = (l * ((2.0 / (t * Math.pow(k, 2.0))) * (l / Math.sin(k)))) / Math.tan(k);
	} else if (t <= 2.6e+104) {
		tmp = t_3 * (l / Math.tan(k));
	} else {
		tmp = t_2;
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	t_2 = Float64(2.0 / Float64(Float64(1.0 + Float64(1.0 + t_1)) * Float64(tan(k) * (Float64(cbrt(sin(k)) * Float64(t * (l ^ -0.6666666666666666))) ^ 3.0))))
	t_3 = Float64(Float64(Float64(2.0 * (t ^ -3.0)) / sin(k)) * Float64(l / Float64(2.0 + t_1)))
	tmp = 0.0
	if (t <= -6.7e+103)
		tmp = t_2;
	elseif (t <= -3e-30)
		tmp = Float64(t_3 / Float64(tan(k) / l));
	elseif (t <= 2.1e-48)
		tmp = Float64(Float64(l * Float64(Float64(2.0 / Float64(t * (k ^ 2.0))) * Float64(l / sin(k)))) / tan(k));
	elseif (t <= 2.6e+104)
		tmp = Float64(t_3 * Float64(l / tan(k)));
	else
		tmp = t_2;
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]}, Block[{t$95$2 = N[(2.0 / N[(N[(1.0 + N[(1.0 + t$95$1), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Power[N[(N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision] * N[(t * N[Power[l, -0.6666666666666666], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$3 = N[(N[(N[(2.0 * N[Power[t, -3.0], $MachinePrecision]), $MachinePrecision] / N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[(l / N[(2.0 + t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -6.7e+103], t$95$2, If[LessEqual[t, -3e-30], N[(t$95$3 / N[(N[Tan[k], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 2.1e-48], N[(N[(l * N[(N[(2.0 / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 2.6e+104], N[(t$95$3 * N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$2]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{k}{t}\right)}^{2}\\
t_2 := \frac{2}{\left(1 + \left(1 + t_1\right)\right) \cdot \left(\tan k \cdot {\left(\sqrt[3]{\sin k} \cdot \left(t \cdot {\ell}^{-0.6666666666666666}\right)\right)}^{3}\right)}\\
t_3 := \frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + t_1}\\
\mathbf{if}\;t \leq -6.7 \cdot 10^{+103}:\\
\;\;\;\;t_2\\

\mathbf{elif}\;t \leq -3 \cdot 10^{-30}:\\
\;\;\;\;\frac{t_3}{\frac{\tan k}{\ell}}\\

\mathbf{elif}\;t \leq 2.1 \cdot 10^{-48}:\\
\;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\

\mathbf{elif}\;t \leq 2.6 \cdot 10^{+104}:\\
\;\;\;\;t_3 \cdot \frac{\ell}{\tan k}\\

\mathbf{else}:\\
\;\;\;\;t_2\\


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if t < -6.70000000000000033e103 or 2.6e104 < t

    1. Initial program 52.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. add-cube-cbrt52.7%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}\right)} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow352.7%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. cbrt-prod52.7%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. div-inv52.7%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. cbrt-prod52.7%

        \[\leadsto \frac{2}{\left({\left(\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. rem-cbrt-cube67.2%

        \[\leadsto \frac{2}{\left({\left(\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. pow267.2%

        \[\leadsto \frac{2}{\left({\left(\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. pow-flip68.5%

        \[\leadsto \frac{2}{\left({\left(\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      9. metadata-eval68.5%

        \[\leadsto \frac{2}{\left({\left(\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr68.5%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. pow1/367.8%

        \[\leadsto \frac{2}{\left({\left(\left(t \cdot \color{blue}{{\left({\ell}^{-2}\right)}^{0.3333333333333333}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow-pow37.8%

        \[\leadsto \frac{2}{\left({\left(\left(t \cdot \color{blue}{{\ell}^{\left(-2 \cdot 0.3333333333333333\right)}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. metadata-eval37.8%

        \[\leadsto \frac{2}{\left({\left(\left(t \cdot {\ell}^{\color{blue}{-0.6666666666666666}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    5. Applied egg-rr37.8%

      \[\leadsto \frac{2}{\left({\left(\left(t \cdot \color{blue}{{\ell}^{-0.6666666666666666}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]

    if -6.70000000000000033e103 < t < -2.9999999999999999e-30

    1. Initial program 67.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified59.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*63.2%

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

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac88.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv88.7%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip92.1%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval92.1%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr92.1%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac89.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified89.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Step-by-step derivation
      1. associate-*r/86.5%

        \[\leadsto \color{blue}{\frac{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k}} \]
    8. Applied egg-rr86.5%

      \[\leadsto \color{blue}{\frac{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k}} \]
    9. Step-by-step derivation
      1. associate-/l*89.7%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}}{\frac{\tan k}{\ell}}} \]
      2. associate-*l/96.3%

        \[\leadsto \frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \frac{\ell}{\sin k}}{2 + {\left(\frac{k}{t}\right)}^{2}}}}{\frac{\tan k}{\ell}} \]
      3. associate-*r/91.9%

        \[\leadsto \frac{\frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\sin k}}}{2 + {\left(\frac{k}{t}\right)}^{2}}}{\frac{\tan k}{\ell}} \]
      4. associate-/r*92.2%

        \[\leadsto \frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\sin k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}}}{\frac{\tan k}{\ell}} \]
      5. times-frac96.3%

        \[\leadsto \frac{\color{blue}{\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + {\left(\frac{k}{t}\right)}^{2}}}}{\frac{\tan k}{\ell}} \]
    10. Simplified96.3%

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

    if -2.9999999999999999e-30 < t < 2.09999999999999989e-48

    1. Initial program 36.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified35.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*41.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*41.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac43.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv43.5%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip43.5%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval43.5%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr43.5%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac43.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified43.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 80.2%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/80.2%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*80.2%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified80.2%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Step-by-step derivation
      1. associate-*r/80.3%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac82.5%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{k}^{2} \cdot t} \cdot \frac{\ell}{\sin k}\right)} \cdot \ell}{\tan k} \]
      3. *-commutative82.5%

        \[\leadsto \frac{\left(\frac{2}{\color{blue}{t \cdot {k}^{2}}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k} \]
    11. Applied egg-rr82.5%

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

    if 2.09999999999999989e-48 < t < 2.6e104

    1. Initial program 81.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified81.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*84.4%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*84.4%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac91.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv91.9%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip91.9%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval91.9%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr91.9%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac86.5%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified86.5%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Step-by-step derivation
      1. expm1-log1p-u75.1%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)\right)} \cdot \frac{\ell}{\tan k} \]
      2. expm1-udef62.3%

        \[\leadsto \color{blue}{\left(e^{\mathsf{log1p}\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} - 1\right)} \cdot \frac{\ell}{\tan k} \]
    8. Applied egg-rr62.3%

      \[\leadsto \color{blue}{\left(e^{\mathsf{log1p}\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} - 1\right)} \cdot \frac{\ell}{\tan k} \]
    9. Step-by-step derivation
      1. expm1-def75.1%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)\right)} \cdot \frac{\ell}{\tan k} \]
      2. expm1-log1p86.5%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
      3. associate-*l/94.3%

        \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \frac{\ell}{\sin k}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \cdot \frac{\ell}{\tan k} \]
      4. associate-*r/91.9%

        \[\leadsto \frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\sin k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\tan k} \]
      5. associate-/r*91.9%

        \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\sin k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}} \cdot \frac{\ell}{\tan k} \]
      6. times-frac94.4%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + {\left(\frac{k}{t}\right)}^{2}}\right)} \cdot \frac{\ell}{\tan k} \]
    10. Simplified94.4%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -6.7 \cdot 10^{+103}:\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\tan k \cdot {\left(\sqrt[3]{\sin k} \cdot \left(t \cdot {\ell}^{-0.6666666666666666}\right)\right)}^{3}\right)}\\ \mathbf{elif}\;t \leq -3 \cdot 10^{-30}:\\ \;\;\;\;\frac{\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + {\left(\frac{k}{t}\right)}^{2}}}{\frac{\tan k}{\ell}}\\ \mathbf{elif}\;t \leq 2.1 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{elif}\;t \leq 2.6 \cdot 10^{+104}:\\ \;\;\;\;\left(\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + {\left(\frac{k}{t}\right)}^{2}}\right) \cdot \frac{\ell}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\tan k \cdot {\left(\sqrt[3]{\sin k} \cdot \left(t \cdot {\ell}^{-0.6666666666666666}\right)\right)}^{3}\right)}\\ \end{array} \]

Alternative 7: 84.3% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := 2 + {\left(\frac{k}{t}\right)}^{2}\\ t_2 := \frac{2}{t_1 \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)\right)}\\ \mathbf{if}\;t \leq -6.8 \cdot 10^{+103}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t \leq -1 \cdot 10^{-30}:\\ \;\;\;\;\frac{\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{t_1}}{\frac{\tan k}{\ell}}\\ \mathbf{elif}\;t \leq 3.7 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (+ 2.0 (pow (/ k t) 2.0)))
        (t_2
         (/
          2.0
          (* t_1 (* (sin k) (* (tan k) (pow (/ t (pow (cbrt l) 2.0)) 3.0)))))))
   (if (<= t -6.8e+103)
     t_2
     (if (<= t -1e-30)
       (/ (* (/ (* 2.0 (pow t -3.0)) (sin k)) (/ l t_1)) (/ (tan k) l))
       (if (<= t 3.7e-48)
         (/ (* l (* (/ 2.0 (* t (pow k 2.0))) (/ l (sin k)))) (tan k))
         t_2)))))
double code(double t, double l, double k) {
	double t_1 = 2.0 + pow((k / t), 2.0);
	double t_2 = 2.0 / (t_1 * (sin(k) * (tan(k) * pow((t / pow(cbrt(l), 2.0)), 3.0))));
	double tmp;
	if (t <= -6.8e+103) {
		tmp = t_2;
	} else if (t <= -1e-30) {
		tmp = (((2.0 * pow(t, -3.0)) / sin(k)) * (l / t_1)) / (tan(k) / l);
	} else if (t <= 3.7e-48) {
		tmp = (l * ((2.0 / (t * pow(k, 2.0))) * (l / sin(k)))) / tan(k);
	} else {
		tmp = t_2;
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = 2.0 + Math.pow((k / t), 2.0);
	double t_2 = 2.0 / (t_1 * (Math.sin(k) * (Math.tan(k) * Math.pow((t / Math.pow(Math.cbrt(l), 2.0)), 3.0))));
	double tmp;
	if (t <= -6.8e+103) {
		tmp = t_2;
	} else if (t <= -1e-30) {
		tmp = (((2.0 * Math.pow(t, -3.0)) / Math.sin(k)) * (l / t_1)) / (Math.tan(k) / l);
	} else if (t <= 3.7e-48) {
		tmp = (l * ((2.0 / (t * Math.pow(k, 2.0))) * (l / Math.sin(k)))) / Math.tan(k);
	} else {
		tmp = t_2;
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(2.0 + (Float64(k / t) ^ 2.0))
	t_2 = Float64(2.0 / Float64(t_1 * Float64(sin(k) * Float64(tan(k) * (Float64(t / (cbrt(l) ^ 2.0)) ^ 3.0)))))
	tmp = 0.0
	if (t <= -6.8e+103)
		tmp = t_2;
	elseif (t <= -1e-30)
		tmp = Float64(Float64(Float64(Float64(2.0 * (t ^ -3.0)) / sin(k)) * Float64(l / t_1)) / Float64(tan(k) / l));
	elseif (t <= 3.7e-48)
		tmp = Float64(Float64(l * Float64(Float64(2.0 / Float64(t * (k ^ 2.0))) * Float64(l / sin(k)))) / tan(k));
	else
		tmp = t_2;
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[(2.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(2.0 / N[(t$95$1 * N[(N[Sin[k], $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Power[N[(t / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -6.8e+103], t$95$2, If[LessEqual[t, -1e-30], N[(N[(N[(N[(2.0 * N[Power[t, -3.0], $MachinePrecision]), $MachinePrecision] / N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[(l / t$95$1), $MachinePrecision]), $MachinePrecision] / N[(N[Tan[k], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 3.7e-48], N[(N[(l * N[(N[(2.0 / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision], t$95$2]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := 2 + {\left(\frac{k}{t}\right)}^{2}\\
t_2 := \frac{2}{t_1 \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)\right)}\\
\mathbf{if}\;t \leq -6.8 \cdot 10^{+103}:\\
\;\;\;\;t_2\\

\mathbf{elif}\;t \leq -1 \cdot 10^{-30}:\\
\;\;\;\;\frac{\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{t_1}}{\frac{\tan k}{\ell}}\\

\mathbf{elif}\;t \leq 3.7 \cdot 10^{-48}:\\
\;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\

\mathbf{else}:\\
\;\;\;\;t_2\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -6.7999999999999997e103 or 3.6999999999999998e-48 < t

    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*68.8%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. add-cube-cbrt68.7%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. *-un-lft-identity68.7%

        \[\leadsto \frac{2}{\left(\left(\frac{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{\color{blue}{1 \cdot \ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. times-frac68.7%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow268.7%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{2}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. cbrt-div68.7%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. rem-cbrt-cube68.7%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. cbrt-div68.7%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      9. rem-cbrt-cube84.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{\color{blue}{t}}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr84.6%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Step-by-step derivation
      1. add-cube-cbrt84.5%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k} \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right) \cdot \sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow384.5%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\sqrt[3]{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. cbrt-prod84.4%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. frac-times77.0%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\color{blue}{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. unpow277.0%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right)} \cdot \frac{t}{\sqrt[3]{\ell}}}{1 \cdot \ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. *-un-lft-identity77.0%

        \[\leadsto \frac{2}{\left({\left(\sqrt[3]{\frac{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}{\color{blue}{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. cbrt-div76.9%

        \[\leadsto \frac{2}{\left({\left(\color{blue}{\frac{\sqrt[3]{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. add-cbrt-cube90.9%

        \[\leadsto \frac{2}{\left({\left(\frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    5. Applied egg-rr90.9%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3}} \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    6. Step-by-step derivation
      1. distribute-lft-in90.9%

        \[\leadsto \frac{2}{\color{blue}{\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot \left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + \left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k\right) \cdot 1}} \]
    7. Applied egg-rr87.7%

      \[\leadsto \frac{2}{\color{blue}{\left(\left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right) \cdot \tan k\right) \cdot \left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + \left(\left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right) \cdot \tan k\right) \cdot 1}} \]
    8. Step-by-step derivation
      1. distribute-lft-out87.7%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      2. associate-*l*87.7%

        \[\leadsto \frac{2}{\color{blue}{\left(\sin k \cdot \left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3} \cdot \tan k\right)\right)} \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. +-commutative87.7%

        \[\leadsto \frac{2}{\left(\sin k \cdot \left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3} \cdot \tan k\right)\right) \cdot \left(\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} + 1\right)} + 1\right)} \]
      4. associate-+l+87.7%

        \[\leadsto \frac{2}{\left(\sin k \cdot \left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3} \cdot \tan k\right)\right) \cdot \color{blue}{\left({\left(\frac{k}{t}\right)}^{2} + \left(1 + 1\right)\right)}} \]
      5. metadata-eval87.7%

        \[\leadsto \frac{2}{\left(\sin k \cdot \left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3} \cdot \tan k\right)\right) \cdot \left({\left(\frac{k}{t}\right)}^{2} + \color{blue}{2}\right)} \]
      6. +-commutative87.7%

        \[\leadsto \frac{2}{\left(\sin k \cdot \left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3} \cdot \tan k\right)\right) \cdot \color{blue}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}} \]
    9. Simplified87.7%

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

    if -6.7999999999999997e103 < t < -1e-30

    1. Initial program 67.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified59.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*63.2%

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

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac88.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv88.7%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip92.1%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval92.1%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr92.1%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac89.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified89.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Step-by-step derivation
      1. associate-*r/86.5%

        \[\leadsto \color{blue}{\frac{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k}} \]
    8. Applied egg-rr86.5%

      \[\leadsto \color{blue}{\frac{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k}} \]
    9. Step-by-step derivation
      1. associate-/l*89.7%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}}{\frac{\tan k}{\ell}}} \]
      2. associate-*l/96.3%

        \[\leadsto \frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \frac{\ell}{\sin k}}{2 + {\left(\frac{k}{t}\right)}^{2}}}}{\frac{\tan k}{\ell}} \]
      3. associate-*r/91.9%

        \[\leadsto \frac{\frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\sin k}}}{2 + {\left(\frac{k}{t}\right)}^{2}}}{\frac{\tan k}{\ell}} \]
      4. associate-/r*92.2%

        \[\leadsto \frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\sin k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}}}{\frac{\tan k}{\ell}} \]
      5. times-frac96.3%

        \[\leadsto \frac{\color{blue}{\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + {\left(\frac{k}{t}\right)}^{2}}}}{\frac{\tan k}{\ell}} \]
    10. Simplified96.3%

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

    if -1e-30 < t < 3.6999999999999998e-48

    1. Initial program 36.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified35.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*41.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*41.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac43.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv43.5%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip43.5%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval43.5%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr43.5%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac43.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified43.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 80.2%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/80.2%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*80.2%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified80.2%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Step-by-step derivation
      1. associate-*r/80.3%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac82.5%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{k}^{2} \cdot t} \cdot \frac{\ell}{\sin k}\right)} \cdot \ell}{\tan k} \]
      3. *-commutative82.5%

        \[\leadsto \frac{\left(\frac{2}{\color{blue}{t \cdot {k}^{2}}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k} \]
    11. Applied egg-rr82.5%

      \[\leadsto \color{blue}{\frac{\left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification86.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -6.8 \cdot 10^{+103}:\\ \;\;\;\;\frac{2}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)\right)}\\ \mathbf{elif}\;t \leq -1 \cdot 10^{-30}:\\ \;\;\;\;\frac{\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + {\left(\frac{k}{t}\right)}^{2}}}{\frac{\tan k}{\ell}}\\ \mathbf{elif}\;t \leq 3.7 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)\right)}\\ \end{array} \]

Alternative 8: 81.4% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ t_2 := 1 + \left(1 + t_1\right)\\ \mathbf{if}\;t \leq -6.4 \cdot 10^{+103}:\\ \;\;\;\;\frac{2}{t_2 \cdot \left(\tan k \cdot \left(\sin k \cdot \left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)\right)\right)}\\ \mathbf{elif}\;t \leq -7 \cdot 10^{-32}:\\ \;\;\;\;\frac{\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + t_1}}{\frac{\tan k}{\ell}}\\ \mathbf{elif}\;t \leq 1.9 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{t_2 \cdot \left(\tan k \cdot \left(\sin k \cdot {\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}\right)\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0)) (t_2 (+ 1.0 (+ 1.0 t_1))))
   (if (<= t -6.4e+103)
     (/ 2.0 (* t_2 (* (tan k) (* (sin k) (* (/ (pow t 2.0) l) (/ t l))))))
     (if (<= t -7e-32)
       (/ (* (/ (* 2.0 (pow t -3.0)) (sin k)) (/ l (+ 2.0 t_1))) (/ (tan k) l))
       (if (<= t 1.9e-48)
         (/ (* l (* (/ 2.0 (* t (pow k 2.0))) (/ l (sin k)))) (tan k))
         (/
          2.0
          (* t_2 (* (tan k) (* (sin k) (pow (/ (pow t 1.5) l) 2.0))))))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double t_2 = 1.0 + (1.0 + t_1);
	double tmp;
	if (t <= -6.4e+103) {
		tmp = 2.0 / (t_2 * (tan(k) * (sin(k) * ((pow(t, 2.0) / l) * (t / l)))));
	} else if (t <= -7e-32) {
		tmp = (((2.0 * pow(t, -3.0)) / sin(k)) * (l / (2.0 + t_1))) / (tan(k) / l);
	} else if (t <= 1.9e-48) {
		tmp = (l * ((2.0 / (t * pow(k, 2.0))) * (l / sin(k)))) / tan(k);
	} else {
		tmp = 2.0 / (t_2 * (tan(k) * (sin(k) * pow((pow(t, 1.5) / l), 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) :: t_2
    real(8) :: tmp
    t_1 = (k / t) ** 2.0d0
    t_2 = 1.0d0 + (1.0d0 + t_1)
    if (t <= (-6.4d+103)) then
        tmp = 2.0d0 / (t_2 * (tan(k) * (sin(k) * (((t ** 2.0d0) / l) * (t / l)))))
    else if (t <= (-7d-32)) then
        tmp = (((2.0d0 * (t ** (-3.0d0))) / sin(k)) * (l / (2.0d0 + t_1))) / (tan(k) / l)
    else if (t <= 1.9d-48) then
        tmp = (l * ((2.0d0 / (t * (k ** 2.0d0))) * (l / sin(k)))) / tan(k)
    else
        tmp = 2.0d0 / (t_2 * (tan(k) * (sin(k) * (((t ** 1.5d0) / l) ** 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 t_2 = 1.0 + (1.0 + t_1);
	double tmp;
	if (t <= -6.4e+103) {
		tmp = 2.0 / (t_2 * (Math.tan(k) * (Math.sin(k) * ((Math.pow(t, 2.0) / l) * (t / l)))));
	} else if (t <= -7e-32) {
		tmp = (((2.0 * Math.pow(t, -3.0)) / Math.sin(k)) * (l / (2.0 + t_1))) / (Math.tan(k) / l);
	} else if (t <= 1.9e-48) {
		tmp = (l * ((2.0 / (t * Math.pow(k, 2.0))) * (l / Math.sin(k)))) / Math.tan(k);
	} else {
		tmp = 2.0 / (t_2 * (Math.tan(k) * (Math.sin(k) * Math.pow((Math.pow(t, 1.5) / l), 2.0))));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = math.pow((k / t), 2.0)
	t_2 = 1.0 + (1.0 + t_1)
	tmp = 0
	if t <= -6.4e+103:
		tmp = 2.0 / (t_2 * (math.tan(k) * (math.sin(k) * ((math.pow(t, 2.0) / l) * (t / l)))))
	elif t <= -7e-32:
		tmp = (((2.0 * math.pow(t, -3.0)) / math.sin(k)) * (l / (2.0 + t_1))) / (math.tan(k) / l)
	elif t <= 1.9e-48:
		tmp = (l * ((2.0 / (t * math.pow(k, 2.0))) * (l / math.sin(k)))) / math.tan(k)
	else:
		tmp = 2.0 / (t_2 * (math.tan(k) * (math.sin(k) * math.pow((math.pow(t, 1.5) / l), 2.0))))
	return tmp
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	t_2 = Float64(1.0 + Float64(1.0 + t_1))
	tmp = 0.0
	if (t <= -6.4e+103)
		tmp = Float64(2.0 / Float64(t_2 * Float64(tan(k) * Float64(sin(k) * Float64(Float64((t ^ 2.0) / l) * Float64(t / l))))));
	elseif (t <= -7e-32)
		tmp = Float64(Float64(Float64(Float64(2.0 * (t ^ -3.0)) / sin(k)) * Float64(l / Float64(2.0 + t_1))) / Float64(tan(k) / l));
	elseif (t <= 1.9e-48)
		tmp = Float64(Float64(l * Float64(Float64(2.0 / Float64(t * (k ^ 2.0))) * Float64(l / sin(k)))) / tan(k));
	else
		tmp = Float64(2.0 / Float64(t_2 * Float64(tan(k) * Float64(sin(k) * (Float64((t ^ 1.5) / l) ^ 2.0)))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = (k / t) ^ 2.0;
	t_2 = 1.0 + (1.0 + t_1);
	tmp = 0.0;
	if (t <= -6.4e+103)
		tmp = 2.0 / (t_2 * (tan(k) * (sin(k) * (((t ^ 2.0) / l) * (t / l)))));
	elseif (t <= -7e-32)
		tmp = (((2.0 * (t ^ -3.0)) / sin(k)) * (l / (2.0 + t_1))) / (tan(k) / l);
	elseif (t <= 1.9e-48)
		tmp = (l * ((2.0 / (t * (k ^ 2.0))) * (l / sin(k)))) / tan(k);
	else
		tmp = 2.0 / (t_2 * (tan(k) * (sin(k) * (((t ^ 1.5) / l) ^ 2.0))));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]}, Block[{t$95$2 = N[(1.0 + N[(1.0 + t$95$1), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -6.4e+103], N[(2.0 / N[(t$95$2 * N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[(N[Power[t, 2.0], $MachinePrecision] / l), $MachinePrecision] * N[(t / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, -7e-32], N[(N[(N[(N[(2.0 * N[Power[t, -3.0], $MachinePrecision]), $MachinePrecision] / N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[(l / N[(2.0 + t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[Tan[k], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 1.9e-48], N[(N[(l * N[(N[(2.0 / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(t$95$2 * N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[Power[N[(N[Power[t, 1.5], $MachinePrecision] / l), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{k}{t}\right)}^{2}\\
t_2 := 1 + \left(1 + t_1\right)\\
\mathbf{if}\;t \leq -6.4 \cdot 10^{+103}:\\
\;\;\;\;\frac{2}{t_2 \cdot \left(\tan k \cdot \left(\sin k \cdot \left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)\right)\right)}\\

\mathbf{elif}\;t \leq -7 \cdot 10^{-32}:\\
\;\;\;\;\frac{\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + t_1}}{\frac{\tan k}{\ell}}\\

\mathbf{elif}\;t \leq 1.9 \cdot 10^{-48}:\\
\;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{t_2 \cdot \left(\tan k \cdot \left(\sin k \cdot {\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}\right)\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if t < -6.39999999999999985e103

    1. Initial program 50.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. unpow350.9%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. times-frac73.5%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. pow273.5%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{t}^{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr73.5%

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

    if -6.39999999999999985e103 < t < -6.9999999999999997e-32

    1. Initial program 67.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified59.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*63.2%

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

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac88.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv88.7%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip92.1%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval92.1%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr92.1%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac89.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified89.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Step-by-step derivation
      1. associate-*r/86.5%

        \[\leadsto \color{blue}{\frac{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k}} \]
    8. Applied egg-rr86.5%

      \[\leadsto \color{blue}{\frac{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k}} \]
    9. Step-by-step derivation
      1. associate-/l*89.7%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}}{\frac{\tan k}{\ell}}} \]
      2. associate-*l/96.3%

        \[\leadsto \frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \frac{\ell}{\sin k}}{2 + {\left(\frac{k}{t}\right)}^{2}}}}{\frac{\tan k}{\ell}} \]
      3. associate-*r/91.9%

        \[\leadsto \frac{\frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\sin k}}}{2 + {\left(\frac{k}{t}\right)}^{2}}}{\frac{\tan k}{\ell}} \]
      4. associate-/r*92.2%

        \[\leadsto \frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\sin k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}}}{\frac{\tan k}{\ell}} \]
      5. times-frac96.3%

        \[\leadsto \frac{\color{blue}{\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + {\left(\frac{k}{t}\right)}^{2}}}}{\frac{\tan k}{\ell}} \]
    10. Simplified96.3%

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

    if -6.9999999999999997e-32 < t < 1.90000000000000001e-48

    1. Initial program 36.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified35.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*41.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*41.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac43.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv43.5%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip43.5%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval43.5%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr43.5%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac43.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified43.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 80.2%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/80.2%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*80.2%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified80.2%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Step-by-step derivation
      1. associate-*r/80.3%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac82.5%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{k}^{2} \cdot t} \cdot \frac{\ell}{\sin k}\right)} \cdot \ell}{\tan k} \]
      3. *-commutative82.5%

        \[\leadsto \frac{\left(\frac{2}{\color{blue}{t \cdot {k}^{2}}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k} \]
    11. Applied egg-rr82.5%

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

    if 1.90000000000000001e-48 < t

    1. Initial program 67.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. add-sqr-sqrt67.0%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt{\frac{{t}^{3}}{\ell \cdot \ell}}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow267.0%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{{\left(\sqrt{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{2}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. sqrt-div67.1%

        \[\leadsto \frac{2}{\left(\left({\color{blue}{\left(\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}\right)}}^{2} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. sqrt-pow171.0%

        \[\leadsto \frac{2}{\left(\left({\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}}\right)}^{2} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. metadata-eval71.0%

        \[\leadsto \frac{2}{\left(\left({\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}}\right)}^{2} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. sqrt-prod36.9%

        \[\leadsto \frac{2}{\left(\left({\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}}\right)}^{2} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. add-sqr-sqrt82.6%

        \[\leadsto \frac{2}{\left(\left({\left(\frac{{t}^{1.5}}{\color{blue}{\ell}}\right)}^{2} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr82.6%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{{\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification82.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -6.4 \cdot 10^{+103}:\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot \left(\frac{{t}^{2}}{\ell} \cdot \frac{t}{\ell}\right)\right)\right)}\\ \mathbf{elif}\;t \leq -7 \cdot 10^{-32}:\\ \;\;\;\;\frac{\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + {\left(\frac{k}{t}\right)}^{2}}}{\frac{\tan k}{\ell}}\\ \mathbf{elif}\;t \leq 1.9 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot {\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}\right)\right)}\\ \end{array} \]

Alternative 9: 78.9% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -9 \cdot 10^{-30} \lor \neg \left(t \leq 3.2 \cdot 10^{-48}\right):\\ \;\;\;\;\left(\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + {\left(\frac{k}{t}\right)}^{2}}\right) \cdot \frac{\ell}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (or (<= t -9e-30) (not (<= t 3.2e-48)))
   (*
    (* (/ (* 2.0 (pow t -3.0)) (sin k)) (/ l (+ 2.0 (pow (/ k t) 2.0))))
    (/ l (tan k)))
   (/ (* l (* (/ 2.0 (* t (pow k 2.0))) (/ l (sin k)))) (tan k))))
double code(double t, double l, double k) {
	double tmp;
	if ((t <= -9e-30) || !(t <= 3.2e-48)) {
		tmp = (((2.0 * pow(t, -3.0)) / sin(k)) * (l / (2.0 + pow((k / t), 2.0)))) * (l / tan(k));
	} else {
		tmp = (l * ((2.0 / (t * pow(k, 2.0))) * (l / sin(k)))) / tan(k);
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if ((t <= (-9d-30)) .or. (.not. (t <= 3.2d-48))) then
        tmp = (((2.0d0 * (t ** (-3.0d0))) / sin(k)) * (l / (2.0d0 + ((k / t) ** 2.0d0)))) * (l / tan(k))
    else
        tmp = (l * ((2.0d0 / (t * (k ** 2.0d0))) * (l / sin(k)))) / tan(k)
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if ((t <= -9e-30) || !(t <= 3.2e-48)) {
		tmp = (((2.0 * Math.pow(t, -3.0)) / Math.sin(k)) * (l / (2.0 + Math.pow((k / t), 2.0)))) * (l / Math.tan(k));
	} else {
		tmp = (l * ((2.0 / (t * Math.pow(k, 2.0))) * (l / Math.sin(k)))) / Math.tan(k);
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if (t <= -9e-30) or not (t <= 3.2e-48):
		tmp = (((2.0 * math.pow(t, -3.0)) / math.sin(k)) * (l / (2.0 + math.pow((k / t), 2.0)))) * (l / math.tan(k))
	else:
		tmp = (l * ((2.0 / (t * math.pow(k, 2.0))) * (l / math.sin(k)))) / math.tan(k)
	return tmp
function code(t, l, k)
	tmp = 0.0
	if ((t <= -9e-30) || !(t <= 3.2e-48))
		tmp = Float64(Float64(Float64(Float64(2.0 * (t ^ -3.0)) / sin(k)) * Float64(l / Float64(2.0 + (Float64(k / t) ^ 2.0)))) * Float64(l / tan(k)));
	else
		tmp = Float64(Float64(l * Float64(Float64(2.0 / Float64(t * (k ^ 2.0))) * Float64(l / sin(k)))) / tan(k));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if ((t <= -9e-30) || ~((t <= 3.2e-48)))
		tmp = (((2.0 * (t ^ -3.0)) / sin(k)) * (l / (2.0 + ((k / t) ^ 2.0)))) * (l / tan(k));
	else
		tmp = (l * ((2.0 / (t * (k ^ 2.0))) * (l / sin(k)))) / tan(k);
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[Or[LessEqual[t, -9e-30], N[Not[LessEqual[t, 3.2e-48]], $MachinePrecision]], N[(N[(N[(N[(2.0 * N[Power[t, -3.0], $MachinePrecision]), $MachinePrecision] / N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[(l / N[(2.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l * N[(N[(2.0 / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -9 \cdot 10^{-30} \lor \neg \left(t \leq 3.2 \cdot 10^{-48}\right):\\
\;\;\;\;\left(\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + {\left(\frac{k}{t}\right)}^{2}}\right) \cdot \frac{\ell}{\tan k}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < -8.99999999999999935e-30 or 3.1999999999999998e-48 < t

    1. Initial program 63.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified56.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*62.4%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*62.4%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac74.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv74.5%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip76.5%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval76.5%

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

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac74.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified74.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Step-by-step derivation
      1. expm1-log1p-u65.3%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)\right)} \cdot \frac{\ell}{\tan k} \]
      2. expm1-udef57.3%

        \[\leadsto \color{blue}{\left(e^{\mathsf{log1p}\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} - 1\right)} \cdot \frac{\ell}{\tan k} \]
    8. Applied egg-rr57.3%

      \[\leadsto \color{blue}{\left(e^{\mathsf{log1p}\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} - 1\right)} \cdot \frac{\ell}{\tan k} \]
    9. Step-by-step derivation
      1. expm1-def65.3%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)\right)} \cdot \frac{\ell}{\tan k} \]
      2. expm1-log1p74.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
      3. associate-*l/77.9%

        \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \frac{\ell}{\sin k}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \cdot \frac{\ell}{\tan k} \]
      4. associate-*r/76.5%

        \[\leadsto \frac{\color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\sin k}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\tan k} \]
      5. associate-/r*76.5%

        \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\sin k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}} \cdot \frac{\ell}{\tan k} \]
      6. times-frac78.0%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + {\left(\frac{k}{t}\right)}^{2}}\right)} \cdot \frac{\ell}{\tan k} \]
    10. Simplified78.0%

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

    if -8.99999999999999935e-30 < t < 3.1999999999999998e-48

    1. Initial program 36.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified35.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*41.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*41.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac43.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv43.5%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip43.5%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval43.5%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr43.5%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac43.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified43.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 80.2%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/80.2%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*80.2%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified80.2%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Step-by-step derivation
      1. associate-*r/80.3%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac82.5%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{k}^{2} \cdot t} \cdot \frac{\ell}{\sin k}\right)} \cdot \ell}{\tan k} \]
      3. *-commutative82.5%

        \[\leadsto \frac{\left(\frac{2}{\color{blue}{t \cdot {k}^{2}}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k} \]
    11. Applied egg-rr82.5%

      \[\leadsto \color{blue}{\frac{\left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification80.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -9 \cdot 10^{-30} \lor \neg \left(t \leq 3.2 \cdot 10^{-48}\right):\\ \;\;\;\;\left(\frac{2 \cdot {t}^{-3}}{\sin k} \cdot \frac{\ell}{2 + {\left(\frac{k}{t}\right)}^{2}}\right) \cdot \frac{\ell}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \end{array} \]

Alternative 10: 77.8% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -5.5 \cdot 10^{+68} \lor \neg \left(t \leq 2 \cdot 10^{-49}\right):\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \frac{t \cdot \frac{{t}^{2}}{\ell}}{\ell}\right)}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (or (<= t -5.5e+68) (not (<= t 2e-49)))
   (/
    (/ 2.0 (* (tan k) (* (sin k) (/ (* t (/ (pow t 2.0) l)) l))))
    (+ 2.0 (/ (/ k t) (/ t k))))
   (/ (* l (* (/ 2.0 (* t (pow k 2.0))) (/ l (sin k)))) (tan k))))
double code(double t, double l, double k) {
	double tmp;
	if ((t <= -5.5e+68) || !(t <= 2e-49)) {
		tmp = (2.0 / (tan(k) * (sin(k) * ((t * (pow(t, 2.0) / l)) / l)))) / (2.0 + ((k / t) / (t / k)));
	} else {
		tmp = (l * ((2.0 / (t * pow(k, 2.0))) * (l / sin(k)))) / tan(k);
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if ((t <= (-5.5d+68)) .or. (.not. (t <= 2d-49))) then
        tmp = (2.0d0 / (tan(k) * (sin(k) * ((t * ((t ** 2.0d0) / l)) / l)))) / (2.0d0 + ((k / t) / (t / k)))
    else
        tmp = (l * ((2.0d0 / (t * (k ** 2.0d0))) * (l / sin(k)))) / tan(k)
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if ((t <= -5.5e+68) || !(t <= 2e-49)) {
		tmp = (2.0 / (Math.tan(k) * (Math.sin(k) * ((t * (Math.pow(t, 2.0) / l)) / l)))) / (2.0 + ((k / t) / (t / k)));
	} else {
		tmp = (l * ((2.0 / (t * Math.pow(k, 2.0))) * (l / Math.sin(k)))) / Math.tan(k);
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if (t <= -5.5e+68) or not (t <= 2e-49):
		tmp = (2.0 / (math.tan(k) * (math.sin(k) * ((t * (math.pow(t, 2.0) / l)) / l)))) / (2.0 + ((k / t) / (t / k)))
	else:
		tmp = (l * ((2.0 / (t * math.pow(k, 2.0))) * (l / math.sin(k)))) / math.tan(k)
	return tmp
function code(t, l, k)
	tmp = 0.0
	if ((t <= -5.5e+68) || !(t <= 2e-49))
		tmp = Float64(Float64(2.0 / Float64(tan(k) * Float64(sin(k) * Float64(Float64(t * Float64((t ^ 2.0) / l)) / l)))) / Float64(2.0 + Float64(Float64(k / t) / Float64(t / k))));
	else
		tmp = Float64(Float64(l * Float64(Float64(2.0 / Float64(t * (k ^ 2.0))) * Float64(l / sin(k)))) / tan(k));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if ((t <= -5.5e+68) || ~((t <= 2e-49)))
		tmp = (2.0 / (tan(k) * (sin(k) * ((t * ((t ^ 2.0) / l)) / l)))) / (2.0 + ((k / t) / (t / k)));
	else
		tmp = (l * ((2.0 / (t * (k ^ 2.0))) * (l / sin(k)))) / tan(k);
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[Or[LessEqual[t, -5.5e+68], N[Not[LessEqual[t, 2e-49]], $MachinePrecision]], N[(N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[(t * N[(N[Power[t, 2.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k / t), $MachinePrecision] / N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l * N[(N[(2.0 / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -5.5 \cdot 10^{+68} \lor \neg \left(t \leq 2 \cdot 10^{-49}\right):\\
\;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \frac{t \cdot \frac{{t}^{2}}{\ell}}{\ell}\right)}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < -5.5000000000000004e68 or 1.99999999999999987e-49 < t

    1. Initial program 61.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified68.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    3. Step-by-step derivation
      1. unpow296.4%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) + 1\right)} \]
      2. clear-num96.4%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \frac{k}{t} \cdot \color{blue}{\frac{1}{\frac{t}{k}}}\right) + 1\right)} \]
      3. un-div-inv96.4%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}\right) + 1\right)} \]
    4. Applied egg-rr68.7%

      \[\leadsto \frac{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
    5. Step-by-step derivation
      1. cube-mult68.7%

        \[\leadsto \frac{\frac{2}{\left(\frac{\frac{\color{blue}{t \cdot \left(t \cdot t\right)}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      2. *-un-lft-identity68.7%

        \[\leadsto \frac{\frac{2}{\left(\frac{\frac{t \cdot \left(t \cdot t\right)}{\color{blue}{1 \cdot \ell}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      3. times-frac76.0%

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{\frac{t}{1} \cdot \frac{t \cdot t}{\ell}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
      4. pow276.0%

        \[\leadsto \frac{\frac{2}{\left(\frac{\frac{t}{1} \cdot \frac{\color{blue}{{t}^{2}}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}} \]
    6. Applied egg-rr76.0%

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

    if -5.5000000000000004e68 < t < 1.99999999999999987e-49

    1. Initial program 42.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified40.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*46.0%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*46.0%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac51.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv51.6%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip51.6%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval51.6%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr51.6%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac51.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified51.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 80.0%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/80.0%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*80.0%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified80.0%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Step-by-step derivation
      1. associate-*r/80.1%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac81.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{k}^{2} \cdot t} \cdot \frac{\ell}{\sin k}\right)} \cdot \ell}{\tan k} \]
      3. *-commutative81.8%

        \[\leadsto \frac{\left(\frac{2}{\color{blue}{t \cdot {k}^{2}}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k} \]
    11. Applied egg-rr81.8%

      \[\leadsto \color{blue}{\frac{\left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification79.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -5.5 \cdot 10^{+68} \lor \neg \left(t \leq 2 \cdot 10^{-49}\right):\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \frac{t \cdot \frac{{t}^{2}}{\ell}}{\ell}\right)}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \end{array} \]

Alternative 11: 76.1% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\ \mathbf{elif}\;t \leq 2.55 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \frac{\frac{{t}^{3}}{\ell}}{\ell}\right)}}{2 + \frac{k}{t} \cdot \frac{k}{t}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= t -1.95e+77)
   (* (/ l (tan k)) (/ l (pow (* t (cbrt k)) 3.0)))
   (if (<= t 2.55e-48)
     (/ (* l (* (/ 2.0 (* t (pow k 2.0))) (/ l (sin k)))) (tan k))
     (/
      (/ 2.0 (* (tan k) (* (sin k) (/ (/ (pow t 3.0) l) l))))
      (+ 2.0 (* (/ k t) (/ k t)))))))
double code(double t, double l, double k) {
	double tmp;
	if (t <= -1.95e+77) {
		tmp = (l / tan(k)) * (l / pow((t * cbrt(k)), 3.0));
	} else if (t <= 2.55e-48) {
		tmp = (l * ((2.0 / (t * pow(k, 2.0))) * (l / sin(k)))) / tan(k);
	} else {
		tmp = (2.0 / (tan(k) * (sin(k) * ((pow(t, 3.0) / l) / l)))) / (2.0 + ((k / t) * (k / t)));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double tmp;
	if (t <= -1.95e+77) {
		tmp = (l / Math.tan(k)) * (l / Math.pow((t * Math.cbrt(k)), 3.0));
	} else if (t <= 2.55e-48) {
		tmp = (l * ((2.0 / (t * Math.pow(k, 2.0))) * (l / Math.sin(k)))) / Math.tan(k);
	} else {
		tmp = (2.0 / (Math.tan(k) * (Math.sin(k) * ((Math.pow(t, 3.0) / l) / l)))) / (2.0 + ((k / t) * (k / t)));
	}
	return tmp;
}
function code(t, l, k)
	tmp = 0.0
	if (t <= -1.95e+77)
		tmp = Float64(Float64(l / tan(k)) * Float64(l / (Float64(t * cbrt(k)) ^ 3.0)));
	elseif (t <= 2.55e-48)
		tmp = Float64(Float64(l * Float64(Float64(2.0 / Float64(t * (k ^ 2.0))) * Float64(l / sin(k)))) / tan(k));
	else
		tmp = Float64(Float64(2.0 / Float64(tan(k) * Float64(sin(k) * Float64(Float64((t ^ 3.0) / l) / l)))) / Float64(2.0 + Float64(Float64(k / t) * Float64(k / t))));
	end
	return tmp
end
code[t_, l_, k_] := If[LessEqual[t, -1.95e+77], N[(N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[N[(t * N[Power[k, 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 2.55e-48], N[(N[(l * N[(N[(2.0 / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision], N[(N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[(N[Power[t, 3.0], $MachinePrecision] / l), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k / t), $MachinePrecision] * N[(k / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\
\;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\

\mathbf{elif}\;t \leq 2.55 \cdot 10^{-48}:\\
\;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \frac{\frac{{t}^{3}}{\ell}}{\ell}\right)}}{2 + \frac{k}{t} \cdot \frac{k}{t}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -1.9499999999999999e77

    1. Initial program 50.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified35.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*43.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*43.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac60.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv60.7%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip65.2%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval65.2%

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

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac65.8%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified65.8%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 60.4%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. add-cube-cbrt60.4%

        \[\leadsto \frac{\ell}{\color{blue}{\left(\sqrt[3]{k \cdot {t}^{3}} \cdot \sqrt[3]{k \cdot {t}^{3}}\right) \cdot \sqrt[3]{k \cdot {t}^{3}}}} \cdot \frac{\ell}{k} \]
      2. pow360.4%

        \[\leadsto \frac{\ell}{\color{blue}{{\left(\sqrt[3]{k \cdot {t}^{3}}\right)}^{3}}} \cdot \frac{\ell}{k} \]
      3. *-commutative60.4%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot k}}\right)}^{3}} \cdot \frac{\ell}{k} \]
      4. cbrt-prod60.4%

        \[\leadsto \frac{\ell}{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{k}\right)}}^{3}} \cdot \frac{\ell}{k} \]
      5. unpow360.4%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
      6. add-cbrt-cube70.2%

        \[\leadsto \frac{\ell}{{\left(\color{blue}{t} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
    9. Applied egg-rr70.2%

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

    if -1.9499999999999999e77 < t < 2.55000000000000006e-48

    1. Initial program 42.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified40.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*46.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*46.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac52.3%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv52.3%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip52.2%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval52.2%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr52.2%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac51.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified51.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 79.6%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/79.6%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*79.6%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified79.6%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Step-by-step derivation
      1. associate-*r/79.6%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac81.4%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{k}^{2} \cdot t} \cdot \frac{\ell}{\sin k}\right)} \cdot \ell}{\tan k} \]
      3. *-commutative81.4%

        \[\leadsto \frac{\left(\frac{2}{\color{blue}{t \cdot {k}^{2}}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k} \]
    11. Applied egg-rr81.4%

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

    if 2.55000000000000006e-48 < t

    1. Initial program 67.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified72.8%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    3. Step-by-step derivation
      1. unpow272.8%

        \[\leadsto \frac{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
    4. Applied egg-rr72.8%

      \[\leadsto \frac{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification77.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\ \mathbf{elif}\;t \leq 2.55 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \frac{\frac{{t}^{3}}{\ell}}{\ell}\right)}}{2 + \frac{k}{t} \cdot \frac{k}{t}}\\ \end{array} \]

Alternative 12: 76.1% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\ \mathbf{elif}\;t \leq 1.4 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \frac{\frac{{t}^{3}}{\ell}}{\ell}\right)}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= t -1.95e+77)
   (* (/ l (tan k)) (/ l (pow (* t (cbrt k)) 3.0)))
   (if (<= t 1.4e-48)
     (/ (* l (* (/ 2.0 (* t (pow k 2.0))) (/ l (sin k)))) (tan k))
     (/
      (/ 2.0 (* (tan k) (* (sin k) (/ (/ (pow t 3.0) l) l))))
      (+ 2.0 (/ (/ k t) (/ t k)))))))
double code(double t, double l, double k) {
	double tmp;
	if (t <= -1.95e+77) {
		tmp = (l / tan(k)) * (l / pow((t * cbrt(k)), 3.0));
	} else if (t <= 1.4e-48) {
		tmp = (l * ((2.0 / (t * pow(k, 2.0))) * (l / sin(k)))) / tan(k);
	} else {
		tmp = (2.0 / (tan(k) * (sin(k) * ((pow(t, 3.0) / l) / l)))) / (2.0 + ((k / t) / (t / k)));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double tmp;
	if (t <= -1.95e+77) {
		tmp = (l / Math.tan(k)) * (l / Math.pow((t * Math.cbrt(k)), 3.0));
	} else if (t <= 1.4e-48) {
		tmp = (l * ((2.0 / (t * Math.pow(k, 2.0))) * (l / Math.sin(k)))) / Math.tan(k);
	} else {
		tmp = (2.0 / (Math.tan(k) * (Math.sin(k) * ((Math.pow(t, 3.0) / l) / l)))) / (2.0 + ((k / t) / (t / k)));
	}
	return tmp;
}
function code(t, l, k)
	tmp = 0.0
	if (t <= -1.95e+77)
		tmp = Float64(Float64(l / tan(k)) * Float64(l / (Float64(t * cbrt(k)) ^ 3.0)));
	elseif (t <= 1.4e-48)
		tmp = Float64(Float64(l * Float64(Float64(2.0 / Float64(t * (k ^ 2.0))) * Float64(l / sin(k)))) / tan(k));
	else
		tmp = Float64(Float64(2.0 / Float64(tan(k) * Float64(sin(k) * Float64(Float64((t ^ 3.0) / l) / l)))) / Float64(2.0 + Float64(Float64(k / t) / Float64(t / k))));
	end
	return tmp
end
code[t_, l_, k_] := If[LessEqual[t, -1.95e+77], N[(N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[N[(t * N[Power[k, 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 1.4e-48], N[(N[(l * N[(N[(2.0 / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision], N[(N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[(N[Power[t, 3.0], $MachinePrecision] / l), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[(N[(k / t), $MachinePrecision] / N[(t / k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\
\;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\

\mathbf{elif}\;t \leq 1.4 \cdot 10^{-48}:\\
\;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \frac{\frac{{t}^{3}}{\ell}}{\ell}\right)}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -1.9499999999999999e77

    1. Initial program 50.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified35.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*43.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*43.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac60.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv60.7%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip65.2%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval65.2%

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

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac65.8%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified65.8%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 60.4%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. add-cube-cbrt60.4%

        \[\leadsto \frac{\ell}{\color{blue}{\left(\sqrt[3]{k \cdot {t}^{3}} \cdot \sqrt[3]{k \cdot {t}^{3}}\right) \cdot \sqrt[3]{k \cdot {t}^{3}}}} \cdot \frac{\ell}{k} \]
      2. pow360.4%

        \[\leadsto \frac{\ell}{\color{blue}{{\left(\sqrt[3]{k \cdot {t}^{3}}\right)}^{3}}} \cdot \frac{\ell}{k} \]
      3. *-commutative60.4%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot k}}\right)}^{3}} \cdot \frac{\ell}{k} \]
      4. cbrt-prod60.4%

        \[\leadsto \frac{\ell}{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{k}\right)}}^{3}} \cdot \frac{\ell}{k} \]
      5. unpow360.4%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
      6. add-cbrt-cube70.2%

        \[\leadsto \frac{\ell}{{\left(\color{blue}{t} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
    9. Applied egg-rr70.2%

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

    if -1.9499999999999999e77 < t < 1.40000000000000002e-48

    1. Initial program 41.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified40.4%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*46.4%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*46.4%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac51.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv51.9%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip51.9%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval51.9%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr51.9%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac51.3%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified51.3%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 79.4%

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

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*79.5%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified79.5%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Step-by-step derivation
      1. associate-*r/79.5%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac81.3%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{k}^{2} \cdot t} \cdot \frac{\ell}{\sin k}\right)} \cdot \ell}{\tan k} \]
      3. *-commutative81.3%

        \[\leadsto \frac{\left(\frac{2}{\color{blue}{t \cdot {k}^{2}}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k} \]
    11. Applied egg-rr81.3%

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

    if 1.40000000000000002e-48 < t

    1. Initial program 67.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified73.1%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    3. Step-by-step derivation
      1. unpow295.3%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) + 1\right)} \]
      2. clear-num95.4%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \frac{k}{t} \cdot \color{blue}{\frac{1}{\frac{t}{k}}}\right) + 1\right)} \]
      3. un-div-inv95.4%

        \[\leadsto \frac{2}{{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k}\right)}^{3} \cdot \left(\left(1 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}\right) + 1\right)} \]
    4. Applied egg-rr73.1%

      \[\leadsto \frac{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + \color{blue}{\frac{\frac{k}{t}}{\frac{t}{k}}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification77.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\ \mathbf{elif}\;t \leq 1.4 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \frac{\frac{{t}^{3}}{\ell}}{\ell}\right)}}{2 + \frac{\frac{k}{t}}{\frac{t}{k}}}\\ \end{array} \]

Alternative 13: 75.8% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\ell}{\tan k}\\ t_2 := \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\ \mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\ \;\;\;\;t_1 \cdot t_2\\ \mathbf{elif}\;t \leq 4.1 \cdot 10^{-48}:\\ \;\;\;\;t_1 \cdot \left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)\\ \mathbf{else}:\\ \;\;\;\;t_2 \cdot \frac{\ell}{k}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ l (tan k))) (t_2 (/ l (pow (* t (cbrt k)) 3.0))))
   (if (<= t -1.95e+77)
     (* t_1 t_2)
     (if (<= t 4.1e-48)
       (* t_1 (* 2.0 (/ l (* (pow k 2.0) (* t (sin k))))))
       (* t_2 (/ l k))))))
double code(double t, double l, double k) {
	double t_1 = l / tan(k);
	double t_2 = l / pow((t * cbrt(k)), 3.0);
	double tmp;
	if (t <= -1.95e+77) {
		tmp = t_1 * t_2;
	} else if (t <= 4.1e-48) {
		tmp = t_1 * (2.0 * (l / (pow(k, 2.0) * (t * sin(k)))));
	} else {
		tmp = t_2 * (l / k);
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = l / Math.tan(k);
	double t_2 = l / Math.pow((t * Math.cbrt(k)), 3.0);
	double tmp;
	if (t <= -1.95e+77) {
		tmp = t_1 * t_2;
	} else if (t <= 4.1e-48) {
		tmp = t_1 * (2.0 * (l / (Math.pow(k, 2.0) * (t * Math.sin(k)))));
	} else {
		tmp = t_2 * (l / k);
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(l / tan(k))
	t_2 = Float64(l / (Float64(t * cbrt(k)) ^ 3.0))
	tmp = 0.0
	if (t <= -1.95e+77)
		tmp = Float64(t_1 * t_2);
	elseif (t <= 4.1e-48)
		tmp = Float64(t_1 * Float64(2.0 * Float64(l / Float64((k ^ 2.0) * Float64(t * sin(k))))));
	else
		tmp = Float64(t_2 * Float64(l / k));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(l / N[Power[N[(t * N[Power[k, 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -1.95e+77], N[(t$95$1 * t$95$2), $MachinePrecision], If[LessEqual[t, 4.1e-48], N[(t$95$1 * N[(2.0 * N[(l / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(t$95$2 * N[(l / k), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\ell}{\tan k}\\
t_2 := \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\
\mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\
\;\;\;\;t_1 \cdot t_2\\

\mathbf{elif}\;t \leq 4.1 \cdot 10^{-48}:\\
\;\;\;\;t_1 \cdot \left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)\\

\mathbf{else}:\\
\;\;\;\;t_2 \cdot \frac{\ell}{k}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -1.9499999999999999e77

    1. Initial program 50.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified35.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*43.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*43.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac60.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv60.7%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip65.2%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval65.2%

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

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac65.8%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified65.8%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 60.4%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. add-cube-cbrt60.4%

        \[\leadsto \frac{\ell}{\color{blue}{\left(\sqrt[3]{k \cdot {t}^{3}} \cdot \sqrt[3]{k \cdot {t}^{3}}\right) \cdot \sqrt[3]{k \cdot {t}^{3}}}} \cdot \frac{\ell}{k} \]
      2. pow360.4%

        \[\leadsto \frac{\ell}{\color{blue}{{\left(\sqrt[3]{k \cdot {t}^{3}}\right)}^{3}}} \cdot \frac{\ell}{k} \]
      3. *-commutative60.4%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot k}}\right)}^{3}} \cdot \frac{\ell}{k} \]
      4. cbrt-prod60.4%

        \[\leadsto \frac{\ell}{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{k}\right)}}^{3}} \cdot \frac{\ell}{k} \]
      5. unpow360.4%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
      6. add-cbrt-cube70.2%

        \[\leadsto \frac{\ell}{{\left(\color{blue}{t} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
    9. Applied egg-rr70.2%

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

    if -1.9499999999999999e77 < t < 4.10000000000000014e-48

    1. Initial program 42.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified40.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*46.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*46.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac52.3%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv52.3%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip52.2%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval52.2%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr52.2%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac51.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified51.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 79.6%

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

    if 4.10000000000000014e-48 < t

    1. Initial program 67.1%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*69.9%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*69.9%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac76.0%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv76.0%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip77.3%

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

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

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac74.8%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified74.8%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 65.9%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    8. Taylor expanded in k around 0 69.9%

      \[\leadsto \frac{\ell}{k \cdot {t}^{3}} \cdot \color{blue}{\frac{\ell}{k}} \]
    9. Step-by-step derivation
      1. add-cube-cbrt69.8%

        \[\leadsto \frac{\ell}{\color{blue}{\left(\sqrt[3]{k \cdot {t}^{3}} \cdot \sqrt[3]{k \cdot {t}^{3}}\right) \cdot \sqrt[3]{k \cdot {t}^{3}}}} \cdot \frac{\ell}{k} \]
      2. pow369.8%

        \[\leadsto \frac{\ell}{\color{blue}{{\left(\sqrt[3]{k \cdot {t}^{3}}\right)}^{3}}} \cdot \frac{\ell}{k} \]
      3. *-commutative69.8%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot k}}\right)}^{3}} \cdot \frac{\ell}{k} \]
      4. cbrt-prod69.8%

        \[\leadsto \frac{\ell}{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{k}\right)}}^{3}} \cdot \frac{\ell}{k} \]
      5. unpow369.8%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
      6. add-cbrt-cube72.4%

        \[\leadsto \frac{\ell}{{\left(\color{blue}{t} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
    10. Applied egg-rr72.4%

      \[\leadsto \frac{\ell}{\color{blue}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}} \cdot \frac{\ell}{k} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification75.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\ \mathbf{elif}\;t \leq 4.1 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k}\\ \end{array} \]

Alternative 14: 76.3% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\ell}{\tan k}\\ t_2 := \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\ \mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\ \;\;\;\;t_1 \cdot t_2\\ \mathbf{elif}\;t \leq 4.4 \cdot 10^{-48}:\\ \;\;\;\;t_1 \cdot \left(2 \cdot \frac{\frac{\ell}{\sin k}}{t \cdot {k}^{2}}\right)\\ \mathbf{else}:\\ \;\;\;\;t_2 \cdot \frac{\ell}{k}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ l (tan k))) (t_2 (/ l (pow (* t (cbrt k)) 3.0))))
   (if (<= t -1.95e+77)
     (* t_1 t_2)
     (if (<= t 4.4e-48)
       (* t_1 (* 2.0 (/ (/ l (sin k)) (* t (pow k 2.0)))))
       (* t_2 (/ l k))))))
double code(double t, double l, double k) {
	double t_1 = l / tan(k);
	double t_2 = l / pow((t * cbrt(k)), 3.0);
	double tmp;
	if (t <= -1.95e+77) {
		tmp = t_1 * t_2;
	} else if (t <= 4.4e-48) {
		tmp = t_1 * (2.0 * ((l / sin(k)) / (t * pow(k, 2.0))));
	} else {
		tmp = t_2 * (l / k);
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = l / Math.tan(k);
	double t_2 = l / Math.pow((t * Math.cbrt(k)), 3.0);
	double tmp;
	if (t <= -1.95e+77) {
		tmp = t_1 * t_2;
	} else if (t <= 4.4e-48) {
		tmp = t_1 * (2.0 * ((l / Math.sin(k)) / (t * Math.pow(k, 2.0))));
	} else {
		tmp = t_2 * (l / k);
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(l / tan(k))
	t_2 = Float64(l / (Float64(t * cbrt(k)) ^ 3.0))
	tmp = 0.0
	if (t <= -1.95e+77)
		tmp = Float64(t_1 * t_2);
	elseif (t <= 4.4e-48)
		tmp = Float64(t_1 * Float64(2.0 * Float64(Float64(l / sin(k)) / Float64(t * (k ^ 2.0)))));
	else
		tmp = Float64(t_2 * Float64(l / k));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(l / N[Power[N[(t * N[Power[k, 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -1.95e+77], N[(t$95$1 * t$95$2), $MachinePrecision], If[LessEqual[t, 4.4e-48], N[(t$95$1 * N[(2.0 * N[(N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision] / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(t$95$2 * N[(l / k), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\ell}{\tan k}\\
t_2 := \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\
\mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\
\;\;\;\;t_1 \cdot t_2\\

\mathbf{elif}\;t \leq 4.4 \cdot 10^{-48}:\\
\;\;\;\;t_1 \cdot \left(2 \cdot \frac{\frac{\ell}{\sin k}}{t \cdot {k}^{2}}\right)\\

\mathbf{else}:\\
\;\;\;\;t_2 \cdot \frac{\ell}{k}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -1.9499999999999999e77

    1. Initial program 50.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified35.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*43.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*43.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac60.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv60.7%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip65.2%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval65.2%

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

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac65.8%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified65.8%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 60.4%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. add-cube-cbrt60.4%

        \[\leadsto \frac{\ell}{\color{blue}{\left(\sqrt[3]{k \cdot {t}^{3}} \cdot \sqrt[3]{k \cdot {t}^{3}}\right) \cdot \sqrt[3]{k \cdot {t}^{3}}}} \cdot \frac{\ell}{k} \]
      2. pow360.4%

        \[\leadsto \frac{\ell}{\color{blue}{{\left(\sqrt[3]{k \cdot {t}^{3}}\right)}^{3}}} \cdot \frac{\ell}{k} \]
      3. *-commutative60.4%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot k}}\right)}^{3}} \cdot \frac{\ell}{k} \]
      4. cbrt-prod60.4%

        \[\leadsto \frac{\ell}{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{k}\right)}}^{3}} \cdot \frac{\ell}{k} \]
      5. unpow360.4%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
      6. add-cbrt-cube70.2%

        \[\leadsto \frac{\ell}{{\left(\color{blue}{t} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
    9. Applied egg-rr70.2%

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

    if -1.9499999999999999e77 < t < 4.40000000000000025e-48

    1. Initial program 42.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified40.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*46.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*46.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac52.3%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv52.3%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip52.2%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval52.2%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr52.2%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac51.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified51.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 79.6%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/79.6%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*79.6%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified79.6%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Taylor expanded in l around 0 79.6%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    11. Step-by-step derivation
      1. *-commutative79.6%

        \[\leadsto \left(2 \cdot \frac{\ell}{\color{blue}{\left(t \cdot \sin k\right) \cdot {k}^{2}}}\right) \cdot \frac{\ell}{\tan k} \]
      2. *-commutative79.6%

        \[\leadsto \left(2 \cdot \frac{\ell}{\color{blue}{\left(\sin k \cdot t\right)} \cdot {k}^{2}}\right) \cdot \frac{\ell}{\tan k} \]
      3. associate-*r*79.6%

        \[\leadsto \left(2 \cdot \frac{\ell}{\color{blue}{\sin k \cdot \left(t \cdot {k}^{2}\right)}}\right) \cdot \frac{\ell}{\tan k} \]
      4. associate-/r*81.4%

        \[\leadsto \left(2 \cdot \color{blue}{\frac{\frac{\ell}{\sin k}}{t \cdot {k}^{2}}}\right) \cdot \frac{\ell}{\tan k} \]
      5. *-commutative81.4%

        \[\leadsto \left(2 \cdot \frac{\frac{\ell}{\sin k}}{\color{blue}{{k}^{2} \cdot t}}\right) \cdot \frac{\ell}{\tan k} \]
    12. Simplified81.4%

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

    if 4.40000000000000025e-48 < t

    1. Initial program 67.1%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*69.9%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*69.9%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac76.0%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv76.0%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip77.3%

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

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

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac74.8%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified74.8%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 65.9%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    8. Taylor expanded in k around 0 69.9%

      \[\leadsto \frac{\ell}{k \cdot {t}^{3}} \cdot \color{blue}{\frac{\ell}{k}} \]
    9. Step-by-step derivation
      1. add-cube-cbrt69.8%

        \[\leadsto \frac{\ell}{\color{blue}{\left(\sqrt[3]{k \cdot {t}^{3}} \cdot \sqrt[3]{k \cdot {t}^{3}}\right) \cdot \sqrt[3]{k \cdot {t}^{3}}}} \cdot \frac{\ell}{k} \]
      2. pow369.8%

        \[\leadsto \frac{\ell}{\color{blue}{{\left(\sqrt[3]{k \cdot {t}^{3}}\right)}^{3}}} \cdot \frac{\ell}{k} \]
      3. *-commutative69.8%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot k}}\right)}^{3}} \cdot \frac{\ell}{k} \]
      4. cbrt-prod69.8%

        \[\leadsto \frac{\ell}{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{k}\right)}}^{3}} \cdot \frac{\ell}{k} \]
      5. unpow369.8%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
      6. add-cbrt-cube72.4%

        \[\leadsto \frac{\ell}{{\left(\color{blue}{t} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
    10. Applied egg-rr72.4%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\ \mathbf{elif}\;t \leq 4.4 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \left(2 \cdot \frac{\frac{\ell}{\sin k}}{t \cdot {k}^{2}}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k}\\ \end{array} \]

Alternative 15: 76.2% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\ \mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot t_1\\ \mathbf{elif}\;t \leq 4.4 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;t_1 \cdot \frac{\ell}{k}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ l (pow (* t (cbrt k)) 3.0))))
   (if (<= t -1.95e+77)
     (* (/ l (tan k)) t_1)
     (if (<= t 4.4e-48)
       (/ (* l (* (/ 2.0 (* t (pow k 2.0))) (/ l (sin k)))) (tan k))
       (* t_1 (/ l k))))))
double code(double t, double l, double k) {
	double t_1 = l / pow((t * cbrt(k)), 3.0);
	double tmp;
	if (t <= -1.95e+77) {
		tmp = (l / tan(k)) * t_1;
	} else if (t <= 4.4e-48) {
		tmp = (l * ((2.0 / (t * pow(k, 2.0))) * (l / sin(k)))) / tan(k);
	} else {
		tmp = t_1 * (l / k);
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = l / Math.pow((t * Math.cbrt(k)), 3.0);
	double tmp;
	if (t <= -1.95e+77) {
		tmp = (l / Math.tan(k)) * t_1;
	} else if (t <= 4.4e-48) {
		tmp = (l * ((2.0 / (t * Math.pow(k, 2.0))) * (l / Math.sin(k)))) / Math.tan(k);
	} else {
		tmp = t_1 * (l / k);
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(l / (Float64(t * cbrt(k)) ^ 3.0))
	tmp = 0.0
	if (t <= -1.95e+77)
		tmp = Float64(Float64(l / tan(k)) * t_1);
	elseif (t <= 4.4e-48)
		tmp = Float64(Float64(l * Float64(Float64(2.0 / Float64(t * (k ^ 2.0))) * Float64(l / sin(k)))) / tan(k));
	else
		tmp = Float64(t_1 * Float64(l / k));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[(l / N[Power[N[(t * N[Power[k, 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -1.95e+77], N[(N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision], If[LessEqual[t, 4.4e-48], N[(N[(l * N[(N[(2.0 / N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision], N[(t$95$1 * N[(l / k), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\
\mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\
\;\;\;\;\frac{\ell}{\tan k} \cdot t_1\\

\mathbf{elif}\;t \leq 4.4 \cdot 10^{-48}:\\
\;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\

\mathbf{else}:\\
\;\;\;\;t_1 \cdot \frac{\ell}{k}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -1.9499999999999999e77

    1. Initial program 50.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified35.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*43.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*43.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac60.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv60.7%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip65.2%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval65.2%

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

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac65.8%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified65.8%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 60.4%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. add-cube-cbrt60.4%

        \[\leadsto \frac{\ell}{\color{blue}{\left(\sqrt[3]{k \cdot {t}^{3}} \cdot \sqrt[3]{k \cdot {t}^{3}}\right) \cdot \sqrt[3]{k \cdot {t}^{3}}}} \cdot \frac{\ell}{k} \]
      2. pow360.4%

        \[\leadsto \frac{\ell}{\color{blue}{{\left(\sqrt[3]{k \cdot {t}^{3}}\right)}^{3}}} \cdot \frac{\ell}{k} \]
      3. *-commutative60.4%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot k}}\right)}^{3}} \cdot \frac{\ell}{k} \]
      4. cbrt-prod60.4%

        \[\leadsto \frac{\ell}{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{k}\right)}}^{3}} \cdot \frac{\ell}{k} \]
      5. unpow360.4%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
      6. add-cbrt-cube70.2%

        \[\leadsto \frac{\ell}{{\left(\color{blue}{t} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
    9. Applied egg-rr70.2%

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

    if -1.9499999999999999e77 < t < 4.40000000000000025e-48

    1. Initial program 42.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified40.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*46.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*46.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac52.3%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv52.3%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip52.2%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval52.2%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr52.2%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac51.6%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified51.6%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 79.6%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/79.6%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*79.6%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified79.6%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Step-by-step derivation
      1. associate-*r/79.6%

        \[\leadsto \color{blue}{\frac{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac81.4%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{k}^{2} \cdot t} \cdot \frac{\ell}{\sin k}\right)} \cdot \ell}{\tan k} \]
      3. *-commutative81.4%

        \[\leadsto \frac{\left(\frac{2}{\color{blue}{t \cdot {k}^{2}}} \cdot \frac{\ell}{\sin k}\right) \cdot \ell}{\tan k} \]
    11. Applied egg-rr81.4%

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

    if 4.40000000000000025e-48 < t

    1. Initial program 67.1%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*69.9%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*69.9%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac76.0%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv76.0%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip77.3%

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

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

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac74.8%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified74.8%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 65.9%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    8. Taylor expanded in k around 0 69.9%

      \[\leadsto \frac{\ell}{k \cdot {t}^{3}} \cdot \color{blue}{\frac{\ell}{k}} \]
    9. Step-by-step derivation
      1. add-cube-cbrt69.8%

        \[\leadsto \frac{\ell}{\color{blue}{\left(\sqrt[3]{k \cdot {t}^{3}} \cdot \sqrt[3]{k \cdot {t}^{3}}\right) \cdot \sqrt[3]{k \cdot {t}^{3}}}} \cdot \frac{\ell}{k} \]
      2. pow369.8%

        \[\leadsto \frac{\ell}{\color{blue}{{\left(\sqrt[3]{k \cdot {t}^{3}}\right)}^{3}}} \cdot \frac{\ell}{k} \]
      3. *-commutative69.8%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot k}}\right)}^{3}} \cdot \frac{\ell}{k} \]
      4. cbrt-prod69.8%

        \[\leadsto \frac{\ell}{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{k}\right)}}^{3}} \cdot \frac{\ell}{k} \]
      5. unpow369.8%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
      6. add-cbrt-cube72.4%

        \[\leadsto \frac{\ell}{{\left(\color{blue}{t} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
    10. Applied egg-rr72.4%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.95 \cdot 10^{+77}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}\\ \mathbf{elif}\;t \leq 4.4 \cdot 10^{-48}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2}{t \cdot {k}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k}\\ \end{array} \]

Alternative 16: 69.5% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -1.5 \cdot 10^{-56} \lor \neg \left(t \leq 2.55 \cdot 10^{-48}\right):\\ \;\;\;\;\frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \left(2 \cdot \frac{\ell}{t \cdot {k}^{3}}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (or (<= t -1.5e-56) (not (<= t 2.55e-48)))
   (* (/ l (pow (* t (cbrt k)) 3.0)) (/ l k))
   (* (/ l (tan k)) (* 2.0 (/ l (* t (pow k 3.0)))))))
double code(double t, double l, double k) {
	double tmp;
	if ((t <= -1.5e-56) || !(t <= 2.55e-48)) {
		tmp = (l / pow((t * cbrt(k)), 3.0)) * (l / k);
	} else {
		tmp = (l / tan(k)) * (2.0 * (l / (t * pow(k, 3.0))));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double tmp;
	if ((t <= -1.5e-56) || !(t <= 2.55e-48)) {
		tmp = (l / Math.pow((t * Math.cbrt(k)), 3.0)) * (l / k);
	} else {
		tmp = (l / Math.tan(k)) * (2.0 * (l / (t * Math.pow(k, 3.0))));
	}
	return tmp;
}
function code(t, l, k)
	tmp = 0.0
	if ((t <= -1.5e-56) || !(t <= 2.55e-48))
		tmp = Float64(Float64(l / (Float64(t * cbrt(k)) ^ 3.0)) * Float64(l / k));
	else
		tmp = Float64(Float64(l / tan(k)) * Float64(2.0 * Float64(l / Float64(t * (k ^ 3.0)))));
	end
	return tmp
end
code[t_, l_, k_] := If[Or[LessEqual[t, -1.5e-56], N[Not[LessEqual[t, 2.55e-48]], $MachinePrecision]], N[(N[(l / N[Power[N[(t * N[Power[k, 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision] * N[(l / k), $MachinePrecision]), $MachinePrecision], N[(N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(2.0 * N[(l / N[(t * N[Power[k, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.5 \cdot 10^{-56} \lor \neg \left(t \leq 2.55 \cdot 10^{-48}\right):\\
\;\;\;\;\frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < -1.49999999999999995e-56 or 2.55000000000000006e-48 < t

    1. Initial program 62.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified56.2%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*62.1%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*62.1%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac73.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv73.9%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip75.8%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval75.8%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr75.8%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac74.0%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified74.0%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 62.5%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    8. Taylor expanded in k around 0 65.4%

      \[\leadsto \frac{\ell}{k \cdot {t}^{3}} \cdot \color{blue}{\frac{\ell}{k}} \]
    9. Step-by-step derivation
      1. add-cube-cbrt65.3%

        \[\leadsto \frac{\ell}{\color{blue}{\left(\sqrt[3]{k \cdot {t}^{3}} \cdot \sqrt[3]{k \cdot {t}^{3}}\right) \cdot \sqrt[3]{k \cdot {t}^{3}}}} \cdot \frac{\ell}{k} \]
      2. pow365.3%

        \[\leadsto \frac{\ell}{\color{blue}{{\left(\sqrt[3]{k \cdot {t}^{3}}\right)}^{3}}} \cdot \frac{\ell}{k} \]
      3. *-commutative65.3%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot k}}\right)}^{3}} \cdot \frac{\ell}{k} \]
      4. cbrt-prod65.4%

        \[\leadsto \frac{\ell}{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{k}\right)}}^{3}} \cdot \frac{\ell}{k} \]
      5. unpow365.4%

        \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
      6. add-cbrt-cube69.4%

        \[\leadsto \frac{\ell}{{\left(\color{blue}{t} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
    10. Applied egg-rr69.4%

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

    if -1.49999999999999995e-56 < t < 2.55000000000000006e-48

    1. Initial program 35.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified34.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*41.5%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*41.5%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac43.3%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv43.3%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip43.3%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval43.3%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr43.3%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac43.3%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified43.3%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in t around 0 81.3%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    8. Step-by-step derivation
      1. associate-*r/81.3%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}} \cdot \frac{\ell}{\tan k} \]
      2. associate-*r*81.3%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    9. Simplified81.3%

      \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}} \cdot \frac{\ell}{\tan k} \]
    10. Taylor expanded in k around 0 63.3%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{3} \cdot t}\right)} \cdot \frac{\ell}{\tan k} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification66.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.5 \cdot 10^{-56} \lor \neg \left(t \leq 2.55 \cdot 10^{-48}\right):\\ \;\;\;\;\frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \left(2 \cdot \frac{\ell}{t \cdot {k}^{3}}\right)\\ \end{array} \]

Alternative 17: 61.3% accurate, 2.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 1.35 \cdot 10^{+152}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{k \cdot {t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2}}{t \cdot {k}^{4}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 1.35e+152)
   (* (/ l (tan k)) (/ l (* k (pow t 3.0))))
   (* 2.0 (/ (pow l 2.0) (* t (pow k 4.0))))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 1.35e+152) {
		tmp = (l / tan(k)) * (l / (k * pow(t, 3.0)));
	} else {
		tmp = 2.0 * (pow(l, 2.0) / (t * pow(k, 4.0)));
	}
	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 <= 1.35d+152) then
        tmp = (l / tan(k)) * (l / (k * (t ** 3.0d0)))
    else
        tmp = 2.0d0 * ((l ** 2.0d0) / (t * (k ** 4.0d0)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 1.35e+152) {
		tmp = (l / Math.tan(k)) * (l / (k * Math.pow(t, 3.0)));
	} else {
		tmp = 2.0 * (Math.pow(l, 2.0) / (t * Math.pow(k, 4.0)));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 1.35e+152:
		tmp = (l / math.tan(k)) * (l / (k * math.pow(t, 3.0)))
	else:
		tmp = 2.0 * (math.pow(l, 2.0) / (t * math.pow(k, 4.0)))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 1.35e+152)
		tmp = Float64(Float64(l / tan(k)) * Float64(l / Float64(k * (t ^ 3.0))));
	else
		tmp = Float64(2.0 * Float64((l ^ 2.0) / Float64(t * (k ^ 4.0))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 1.35e+152)
		tmp = (l / tan(k)) * (l / (k * (t ^ 3.0)));
	else
		tmp = 2.0 * ((l ^ 2.0) / (t * (k ^ 4.0)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 1.35e+152], N[(N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(l / N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[Power[l, 2.0], $MachinePrecision] / N[(t * N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 1.35 \cdot 10^{+152}:\\
\;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{k \cdot {t}^{3}}\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \frac{{\ell}^{2}}{t \cdot {k}^{4}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.35000000000000007e152

    1. Initial program 50.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified46.6%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*52.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*52.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac61.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv61.4%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip62.6%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval62.6%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr62.6%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac61.4%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified61.4%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 56.2%

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

    if 1.35000000000000007e152 < k

    1. Initial program 52.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*59.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. add-cube-cbrt59.2%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. *-un-lft-identity59.2%

        \[\leadsto \frac{2}{\left(\left(\frac{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{\color{blue}{1 \cdot \ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. times-frac59.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow259.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{2}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. cbrt-div59.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. rem-cbrt-cube59.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. cbrt-div59.2%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      9. rem-cbrt-cube73.4%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{\color{blue}{t}}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr73.4%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Taylor expanded in t around 0 68.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    5. Taylor expanded in k around 0 68.8%

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification57.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.35 \cdot 10^{+152}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{k \cdot {t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2}}{t \cdot {k}^{4}}\\ \end{array} \]

Alternative 18: 59.8% accurate, 2.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 1.05 \cdot 10^{+76}:\\ \;\;\;\;\frac{\ell}{k \cdot {t}^{3}} \cdot \left(\frac{\ell}{k} + -0.3333333333333333 \cdot \left(\ell \cdot k\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2}}{t \cdot {k}^{4}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 1.05e+76)
   (* (/ l (* k (pow t 3.0))) (+ (/ l k) (* -0.3333333333333333 (* l k))))
   (* 2.0 (/ (pow l 2.0) (* t (pow k 4.0))))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 1.05e+76) {
		tmp = (l / (k * pow(t, 3.0))) * ((l / k) + (-0.3333333333333333 * (l * k)));
	} else {
		tmp = 2.0 * (pow(l, 2.0) / (t * pow(k, 4.0)));
	}
	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 <= 1.05d+76) then
        tmp = (l / (k * (t ** 3.0d0))) * ((l / k) + ((-0.3333333333333333d0) * (l * k)))
    else
        tmp = 2.0d0 * ((l ** 2.0d0) / (t * (k ** 4.0d0)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 1.05e+76) {
		tmp = (l / (k * Math.pow(t, 3.0))) * ((l / k) + (-0.3333333333333333 * (l * k)));
	} else {
		tmp = 2.0 * (Math.pow(l, 2.0) / (t * Math.pow(k, 4.0)));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 1.05e+76:
		tmp = (l / (k * math.pow(t, 3.0))) * ((l / k) + (-0.3333333333333333 * (l * k)))
	else:
		tmp = 2.0 * (math.pow(l, 2.0) / (t * math.pow(k, 4.0)))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 1.05e+76)
		tmp = Float64(Float64(l / Float64(k * (t ^ 3.0))) * Float64(Float64(l / k) + Float64(-0.3333333333333333 * Float64(l * k))));
	else
		tmp = Float64(2.0 * Float64((l ^ 2.0) / Float64(t * (k ^ 4.0))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 1.05e+76)
		tmp = (l / (k * (t ^ 3.0))) * ((l / k) + (-0.3333333333333333 * (l * k)));
	else
		tmp = 2.0 * ((l ^ 2.0) / (t * (k ^ 4.0)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 1.05e+76], N[(N[(l / N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(l / k), $MachinePrecision] + N[(-0.3333333333333333 * N[(l * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[Power[l, 2.0], $MachinePrecision] / N[(t * N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 1.05 \cdot 10^{+76}:\\
\;\;\;\;\frac{\ell}{k \cdot {t}^{3}} \cdot \left(\frac{\ell}{k} + -0.3333333333333333 \cdot \left(\ell \cdot k\right)\right)\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \frac{{\ell}^{2}}{t \cdot {k}^{4}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.05000000000000003e76

    1. Initial program 52.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified47.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*53.6%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*53.6%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac61.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv61.9%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip63.3%

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

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

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac62.4%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified62.4%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 57.2%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    8. Taylor expanded in k around 0 56.3%

      \[\leadsto \frac{\ell}{k \cdot {t}^{3}} \cdot \color{blue}{\left(-0.3333333333333333 \cdot \left(k \cdot \ell\right) + \frac{\ell}{k}\right)} \]

    if 1.05000000000000003e76 < k

    1. Initial program 47.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*53.9%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. add-cube-cbrt53.9%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. *-un-lft-identity53.9%

        \[\leadsto \frac{2}{\left(\left(\frac{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{\color{blue}{1 \cdot \ell}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. times-frac53.9%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. pow253.9%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{2}}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. cbrt-div53.9%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. rem-cbrt-cube53.9%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\sqrt[3]{\frac{{t}^{3}}{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      8. cbrt-div53.9%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      9. rem-cbrt-cube65.6%

        \[\leadsto \frac{2}{\left(\left(\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{\color{blue}{t}}{\sqrt[3]{\ell}}}{\ell}\right) \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr65.6%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{1} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    4. Taylor expanded in t around 0 66.5%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}} \]
    5. Taylor expanded in k around 0 56.3%

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification56.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.05 \cdot 10^{+76}:\\ \;\;\;\;\frac{\ell}{k \cdot {t}^{3}} \cdot \left(\frac{\ell}{k} + -0.3333333333333333 \cdot \left(\ell \cdot k\right)\right)\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2}}{t \cdot {k}^{4}}\\ \end{array} \]

Alternative 19: 63.9% accurate, 2.0× speedup?

\[\begin{array}{l} \\ \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \end{array} \]
(FPCore (t l k) :precision binary64 (* (/ l (pow (* t (cbrt k)) 3.0)) (/ l k)))
double code(double t, double l, double k) {
	return (l / pow((t * cbrt(k)), 3.0)) * (l / k);
}
public static double code(double t, double l, double k) {
	return (l / Math.pow((t * Math.cbrt(k)), 3.0)) * (l / k);
}
function code(t, l, k)
	return Float64(Float64(l / (Float64(t * cbrt(k)) ^ 3.0)) * Float64(l / k))
end
code[t_, l_, k_] := N[(N[(l / N[Power[N[(t * N[Power[k, 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision] * N[(l / k), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k}
\end{array}
Derivation
  1. Initial program 51.1%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Simplified47.1%

    \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
  3. Step-by-step derivation
    1. associate-*r*53.2%

      \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    2. associate-*r*53.3%

      \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
    3. times-frac60.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    4. div-inv60.7%

      \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    5. pow-flip61.8%

      \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    6. metadata-eval61.8%

      \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
  4. Applied egg-rr61.8%

    \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
  5. Step-by-step derivation
    1. times-frac60.8%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
  6. Simplified60.8%

    \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
  7. Taylor expanded in k around 0 56.7%

    \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
  8. Taylor expanded in k around 0 57.8%

    \[\leadsto \frac{\ell}{k \cdot {t}^{3}} \cdot \color{blue}{\frac{\ell}{k}} \]
  9. Step-by-step derivation
    1. add-cube-cbrt57.8%

      \[\leadsto \frac{\ell}{\color{blue}{\left(\sqrt[3]{k \cdot {t}^{3}} \cdot \sqrt[3]{k \cdot {t}^{3}}\right) \cdot \sqrt[3]{k \cdot {t}^{3}}}} \cdot \frac{\ell}{k} \]
    2. pow357.8%

      \[\leadsto \frac{\ell}{\color{blue}{{\left(\sqrt[3]{k \cdot {t}^{3}}\right)}^{3}}} \cdot \frac{\ell}{k} \]
    3. *-commutative57.8%

      \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot k}}\right)}^{3}} \cdot \frac{\ell}{k} \]
    4. cbrt-prod57.8%

      \[\leadsto \frac{\ell}{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{k}\right)}}^{3}} \cdot \frac{\ell}{k} \]
    5. unpow357.8%

      \[\leadsto \frac{\ell}{{\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
    6. add-cbrt-cube60.9%

      \[\leadsto \frac{\ell}{{\left(\color{blue}{t} \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]
  10. Applied egg-rr60.9%

    \[\leadsto \frac{\ell}{\color{blue}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}}} \cdot \frac{\ell}{k} \]
  11. Final simplification60.9%

    \[\leadsto \frac{\ell}{{\left(t \cdot \sqrt[3]{k}\right)}^{3}} \cdot \frac{\ell}{k} \]

Alternative 20: 57.9% accurate, 3.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\ell}{k \cdot {t}^{3}}\\ \mathbf{if}\;k \leq 1.9 \cdot 10^{+100}:\\ \;\;\;\;t_1 \cdot \left(\frac{\ell}{k} + -0.3333333333333333 \cdot \left(\ell \cdot k\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot t_1\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ l (* k (pow t 3.0)))))
   (if (<= k 1.9e+100)
     (* t_1 (+ (/ l k) (* -0.3333333333333333 (* l k))))
     (* (/ l k) t_1))))
double code(double t, double l, double k) {
	double t_1 = l / (k * pow(t, 3.0));
	double tmp;
	if (k <= 1.9e+100) {
		tmp = t_1 * ((l / k) + (-0.3333333333333333 * (l * k)));
	} else {
		tmp = (l / k) * t_1;
	}
	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 = l / (k * (t ** 3.0d0))
    if (k <= 1.9d+100) then
        tmp = t_1 * ((l / k) + ((-0.3333333333333333d0) * (l * k)))
    else
        tmp = (l / k) * t_1
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = l / (k * Math.pow(t, 3.0));
	double tmp;
	if (k <= 1.9e+100) {
		tmp = t_1 * ((l / k) + (-0.3333333333333333 * (l * k)));
	} else {
		tmp = (l / k) * t_1;
	}
	return tmp;
}
def code(t, l, k):
	t_1 = l / (k * math.pow(t, 3.0))
	tmp = 0
	if k <= 1.9e+100:
		tmp = t_1 * ((l / k) + (-0.3333333333333333 * (l * k)))
	else:
		tmp = (l / k) * t_1
	return tmp
function code(t, l, k)
	t_1 = Float64(l / Float64(k * (t ^ 3.0)))
	tmp = 0.0
	if (k <= 1.9e+100)
		tmp = Float64(t_1 * Float64(Float64(l / k) + Float64(-0.3333333333333333 * Float64(l * k))));
	else
		tmp = Float64(Float64(l / k) * t_1);
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = l / (k * (t ^ 3.0));
	tmp = 0.0;
	if (k <= 1.9e+100)
		tmp = t_1 * ((l / k) + (-0.3333333333333333 * (l * k)));
	else
		tmp = (l / k) * t_1;
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(l / N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[k, 1.9e+100], N[(t$95$1 * N[(N[(l / k), $MachinePrecision] + N[(-0.3333333333333333 * N[(l * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l / k), $MachinePrecision] * t$95$1), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\ell}{k \cdot {t}^{3}}\\
\mathbf{if}\;k \leq 1.9 \cdot 10^{+100}:\\
\;\;\;\;t_1 \cdot \left(\frac{\ell}{k} + -0.3333333333333333 \cdot \left(\ell \cdot k\right)\right)\\

\mathbf{else}:\\
\;\;\;\;\frac{\ell}{k} \cdot t_1\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.89999999999999982e100

    1. Initial program 52.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified47.5%

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

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*53.6%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac61.8%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv61.8%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip63.1%

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

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr63.1%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac62.3%

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

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 57.1%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    8. Taylor expanded in k around 0 56.3%

      \[\leadsto \frac{\ell}{k \cdot {t}^{3}} \cdot \color{blue}{\left(-0.3333333333333333 \cdot \left(k \cdot \ell\right) + \frac{\ell}{k}\right)} \]

    if 1.89999999999999982e100 < k

    1. Initial program 47.3%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*51.9%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*51.9%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac55.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv55.9%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip55.9%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval55.9%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr55.9%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac54.0%

        \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Simplified54.0%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
    7. Taylor expanded in k around 0 54.7%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    8. Taylor expanded in k around 0 56.5%

      \[\leadsto \frac{\ell}{k \cdot {t}^{3}} \cdot \color{blue}{\frac{\ell}{k}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification56.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.9 \cdot 10^{+100}:\\ \;\;\;\;\frac{\ell}{k \cdot {t}^{3}} \cdot \left(\frac{\ell}{k} + -0.3333333333333333 \cdot \left(\ell \cdot k\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{k} \cdot \frac{\ell}{k \cdot {t}^{3}}\\ \end{array} \]

Alternative 21: 60.4% accurate, 3.8× speedup?

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

\\
\frac{\ell}{k} \cdot \frac{\ell}{k \cdot \left(t \cdot {t}^{2}\right)}
\end{array}
Derivation
  1. Initial program 51.1%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Simplified47.1%

    \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
  3. Step-by-step derivation
    1. associate-*r*53.2%

      \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    2. associate-*r*53.3%

      \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
    3. times-frac60.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    4. div-inv60.7%

      \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    5. pow-flip61.8%

      \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    6. metadata-eval61.8%

      \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
  4. Applied egg-rr61.8%

    \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
  5. Step-by-step derivation
    1. times-frac60.8%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
  6. Simplified60.8%

    \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
  7. Taylor expanded in k around 0 56.7%

    \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
  8. Taylor expanded in k around 0 57.8%

    \[\leadsto \frac{\ell}{k \cdot {t}^{3}} \cdot \color{blue}{\frac{\ell}{k}} \]
  9. Step-by-step derivation
    1. unpow357.8%

      \[\leadsto \frac{\ell}{k \cdot \color{blue}{\left(\left(t \cdot t\right) \cdot t\right)}} \cdot \frac{\ell}{k} \]
    2. pow257.8%

      \[\leadsto \frac{\ell}{k \cdot \left(\color{blue}{{t}^{2}} \cdot t\right)} \cdot \frac{\ell}{k} \]
  10. Applied egg-rr57.8%

    \[\leadsto \frac{\ell}{k \cdot \color{blue}{\left({t}^{2} \cdot t\right)}} \cdot \frac{\ell}{k} \]
  11. Final simplification57.8%

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

Alternative 22: 60.4% accurate, 3.8× speedup?

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

\\
\frac{\ell}{k} \cdot \frac{\ell}{k \cdot {t}^{3}}
\end{array}
Derivation
  1. Initial program 51.1%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Simplified47.1%

    \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
  3. Step-by-step derivation
    1. associate-*r*53.2%

      \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    2. associate-*r*53.3%

      \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
    3. times-frac60.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    4. div-inv60.7%

      \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    5. pow-flip61.8%

      \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    6. metadata-eval61.8%

      \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
  4. Applied egg-rr61.8%

    \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
  5. Step-by-step derivation
    1. times-frac60.8%

      \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)} \cdot \frac{\ell}{\tan k} \]
  6. Simplified60.8%

    \[\leadsto \color{blue}{\left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right) \cdot \frac{\ell}{\tan k}} \]
  7. Taylor expanded in k around 0 56.7%

    \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
  8. Taylor expanded in k around 0 57.8%

    \[\leadsto \frac{\ell}{k \cdot {t}^{3}} \cdot \color{blue}{\frac{\ell}{k}} \]
  9. Final simplification57.8%

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

Reproduce

?
herbie shell --seed 2023320 
(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))))