Toniolo and Linder, Equation (10+)

Percentage Accurate: 54.1% → 85.4%
Time: 22.7s
Alternatives: 11
Speedup: 2.0×

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 11 alternatives:

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

Initial Program: 54.1% 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: 85.4% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\ell \cdot \sqrt{2}}{{t}^{1.5}}\\ t_2 := 2 + {\left(\frac{k}{t}\right)}^{2}\\ \mathbf{if}\;t \leq -2.8 \cdot 10^{-76}:\\ \;\;\;\;\frac{\frac{2}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}}{t_2}\\ \mathbf{elif}\;t \leq 2 \cdot 10^{-89}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot \frac{\ell}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{t_1}{\sin k \cdot t_2} \cdot \frac{t_1}{\tan k}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ (* l (sqrt 2.0)) (pow t 1.5))) (t_2 (+ 2.0 (pow (/ k t) 2.0))))
   (if (<= t -2.8e-76)
     (/
      (/ 2.0 (* (pow (* (/ t (pow (cbrt l) 2.0)) (cbrt (sin k))) 3.0) (tan k)))
      t_2)
     (if (<= t 2e-89)
       (* (* 2.0 (/ l (* (pow k 2.0) (* t (sin k))))) (/ l (tan k)))
       (* (/ t_1 (* (sin k) t_2)) (/ t_1 (tan k)))))))
double code(double t, double l, double k) {
	double t_1 = (l * sqrt(2.0)) / pow(t, 1.5);
	double t_2 = 2.0 + pow((k / t), 2.0);
	double tmp;
	if (t <= -2.8e-76) {
		tmp = (2.0 / (pow(((t / pow(cbrt(l), 2.0)) * cbrt(sin(k))), 3.0) * tan(k))) / t_2;
	} else if (t <= 2e-89) {
		tmp = (2.0 * (l / (pow(k, 2.0) * (t * sin(k))))) * (l / tan(k));
	} else {
		tmp = (t_1 / (sin(k) * t_2)) * (t_1 / tan(k));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = (l * Math.sqrt(2.0)) / Math.pow(t, 1.5);
	double t_2 = 2.0 + Math.pow((k / t), 2.0);
	double tmp;
	if (t <= -2.8e-76) {
		tmp = (2.0 / (Math.pow(((t / Math.pow(Math.cbrt(l), 2.0)) * Math.cbrt(Math.sin(k))), 3.0) * Math.tan(k))) / t_2;
	} else if (t <= 2e-89) {
		tmp = (2.0 * (l / (Math.pow(k, 2.0) * (t * Math.sin(k))))) * (l / Math.tan(k));
	} else {
		tmp = (t_1 / (Math.sin(k) * t_2)) * (t_1 / Math.tan(k));
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(Float64(l * sqrt(2.0)) / (t ^ 1.5))
	t_2 = Float64(2.0 + (Float64(k / t) ^ 2.0))
	tmp = 0.0
	if (t <= -2.8e-76)
		tmp = Float64(Float64(2.0 / Float64((Float64(Float64(t / (cbrt(l) ^ 2.0)) * cbrt(sin(k))) ^ 3.0) * tan(k))) / t_2);
	elseif (t <= 2e-89)
		tmp = Float64(Float64(2.0 * Float64(l / Float64((k ^ 2.0) * Float64(t * sin(k))))) * Float64(l / tan(k)));
	else
		tmp = Float64(Float64(t_1 / Float64(sin(k) * t_2)) * Float64(t_1 / tan(k)));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[(N[(l * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision] / N[Power[t, 1.5], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(2.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -2.8e-76], N[(N[(2.0 / N[(N[Power[N[(N[(t / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] * N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] * N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t$95$2), $MachinePrecision], If[LessEqual[t, 2e-89], N[(N[(2.0 * N[(l / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(t$95$1 / N[(N[Sin[k], $MachinePrecision] * t$95$2), $MachinePrecision]), $MachinePrecision] * N[(t$95$1 / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\ell \cdot \sqrt{2}}{{t}^{1.5}}\\
t_2 := 2 + {\left(\frac{k}{t}\right)}^{2}\\
\mathbf{if}\;t \leq -2.8 \cdot 10^{-76}:\\
\;\;\;\;\frac{\frac{2}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}}{t_2}\\

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

\mathbf{else}:\\
\;\;\;\;\frac{t_1}{\sin k \cdot t_2} \cdot \frac{t_1}{\tan k}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -2.8000000000000001e-76

    1. Initial program 65.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified72.5%

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

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow372.6%

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{3}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cbrt-div72.4%

        \[\leadsto \frac{\frac{2}{\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{3}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. rem-cbrt-cube78.5%

        \[\leadsto \frac{\frac{2}{\left(\frac{{\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell}}\right)}^{3}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    4. Applied egg-rr78.5%

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

        \[\leadsto \frac{\frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right)} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow278.4%

        \[\leadsto \frac{\frac{2}{\left(\left(\color{blue}{{\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right)}^{2}} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cbrt-div78.4%

        \[\leadsto \frac{\frac{2}{\left(\left({\color{blue}{\left(\frac{\sqrt[3]{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. unpow378.4%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\sqrt[3]{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. add-cbrt-cube78.4%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. cbrt-div78.4%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \color{blue}{\frac{\sqrt[3]{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}}{\sqrt[3]{\ell}}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. unpow378.4%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\sqrt[3]{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}}{\sqrt[3]{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. add-cbrt-cube88.7%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr88.7%

      \[\leadsto \frac{\frac{2}{\left(\color{blue}{\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Step-by-step derivation
      1. add-cube-cbrt88.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\left(\sqrt[3]{\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right) \cdot \sin k} \cdot \sqrt[3]{\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right) \cdot \sin k}\right) \cdot \sqrt[3]{\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right) \cdot \sin k}\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow388.5%

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

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. unpow288.5%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt[3]{\color{blue}{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. add-cbrt-cube95.6%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. associate-/l/95.7%

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

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

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

    if -2.8000000000000001e-76 < t < 2.00000000000000008e-89

    1. Initial program 41.6%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*47.2%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*47.2%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac48.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv48.4%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip48.4%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval48.4%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr48.4%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Taylor expanded in t around 0 85.3%

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

    if 2.00000000000000008e-89 < t

    1. Initial program 65.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified55.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. add-sqr-sqrt55.9%

        \[\leadsto \frac{\color{blue}{\sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)} \cdot \sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*55.9%

        \[\leadsto \frac{\sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)} \cdot \sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac64.9%

        \[\leadsto \color{blue}{\frac{\sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}}{\tan k}} \]
      4. *-commutative64.9%

        \[\leadsto \frac{\sqrt{\color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{{t}^{3}}}}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}}{\tan k} \]
      5. sqrt-prod65.0%

        \[\leadsto \frac{\color{blue}{\sqrt{\ell \cdot \ell} \cdot \sqrt{\frac{2}{{t}^{3}}}}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}}{\tan k} \]
      6. sqrt-prod30.8%

        \[\leadsto \frac{\color{blue}{\left(\sqrt{\ell} \cdot \sqrt{\ell}\right)} \cdot \sqrt{\frac{2}{{t}^{3}}}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}}{\tan k} \]
      7. add-sqr-sqrt53.2%

        \[\leadsto \frac{\color{blue}{\ell} \cdot \sqrt{\frac{2}{{t}^{3}}}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}}{\tan k} \]
      8. sqrt-div53.2%

        \[\leadsto \frac{\ell \cdot \color{blue}{\frac{\sqrt{2}}{\sqrt{{t}^{3}}}}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}}{\tan k} \]
      9. sqrt-pow153.2%

        \[\leadsto \frac{\ell \cdot \frac{\sqrt{2}}{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}}{\tan k} \]
      10. metadata-eval53.2%

        \[\leadsto \frac{\ell \cdot \frac{\sqrt{2}}{{t}^{\color{blue}{1.5}}}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\sqrt{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}}{\tan k} \]
    4. Applied egg-rr88.1%

      \[\leadsto \color{blue}{\frac{\ell \cdot \frac{\sqrt{2}}{{t}^{1.5}}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell \cdot \frac{\sqrt{2}}{{t}^{1.5}}}{\tan k}} \]
    5. Step-by-step derivation
      1. associate-*r/88.1%

        \[\leadsto \frac{\color{blue}{\frac{\ell \cdot \sqrt{2}}{{t}^{1.5}}}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell \cdot \frac{\sqrt{2}}{{t}^{1.5}}}{\tan k} \]
      2. *-commutative88.1%

        \[\leadsto \frac{\frac{\ell \cdot \sqrt{2}}{{t}^{1.5}}}{\color{blue}{\sin k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}} \cdot \frac{\ell \cdot \frac{\sqrt{2}}{{t}^{1.5}}}{\tan k} \]
      3. associate-*r/88.1%

        \[\leadsto \frac{\frac{\ell \cdot \sqrt{2}}{{t}^{1.5}}}{\sin k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{\color{blue}{\frac{\ell \cdot \sqrt{2}}{{t}^{1.5}}}}{\tan k} \]
    6. Simplified88.1%

      \[\leadsto \color{blue}{\frac{\frac{\ell \cdot \sqrt{2}}{{t}^{1.5}}}{\sin k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{\frac{\ell \cdot \sqrt{2}}{{t}^{1.5}}}{\tan k}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification89.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -2.8 \cdot 10^{-76}:\\ \;\;\;\;\frac{\frac{2}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{elif}\;t \leq 2 \cdot 10^{-89}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot \frac{\ell}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\ell \cdot \sqrt{2}}{{t}^{1.5}}}{\sin k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{\frac{\ell \cdot \sqrt{2}}{{t}^{1.5}}}{\tan k}\\ \end{array} \]

Alternative 2: 78.9% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\ell}{\tan k}\\ t_2 := {\left(\frac{k}{t}\right)}^{2}\\ \mathbf{if}\;\frac{2}{\left(1 + \left(t_2 + 1\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right)} \leq 5 \cdot 10^{+287}:\\ \;\;\;\;t_1 \cdot \left(\frac{2 \cdot {t}^{-3}}{2 + t_2} \cdot \frac{\ell}{\sin k}\right)\\ \mathbf{else}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot t_1\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ l (tan k))) (t_2 (pow (/ k t) 2.0)))
   (if (<=
        (/
         2.0
         (*
          (+ 1.0 (+ t_2 1.0))
          (* (tan k) (* (sin k) (/ (pow t 3.0) (* l l))))))
        5e+287)
     (* t_1 (* (/ (* 2.0 (pow t -3.0)) (+ 2.0 t_2)) (/ l (sin k))))
     (* (* 2.0 (/ l (* (pow k 2.0) (* t (sin k))))) t_1))))
double code(double t, double l, double k) {
	double t_1 = l / tan(k);
	double t_2 = pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((1.0 + (t_2 + 1.0)) * (tan(k) * (sin(k) * (pow(t, 3.0) / (l * l)))))) <= 5e+287) {
		tmp = t_1 * (((2.0 * pow(t, -3.0)) / (2.0 + t_2)) * (l / sin(k)));
	} else {
		tmp = (2.0 * (l / (pow(k, 2.0) * (t * sin(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) :: t_2
    real(8) :: tmp
    t_1 = l / tan(k)
    t_2 = (k / t) ** 2.0d0
    if ((2.0d0 / ((1.0d0 + (t_2 + 1.0d0)) * (tan(k) * (sin(k) * ((t ** 3.0d0) / (l * l)))))) <= 5d+287) then
        tmp = t_1 * (((2.0d0 * (t ** (-3.0d0))) / (2.0d0 + t_2)) * (l / sin(k)))
    else
        tmp = (2.0d0 * (l / ((k ** 2.0d0) * (t * sin(k))))) * t_1
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = l / Math.tan(k);
	double t_2 = Math.pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((1.0 + (t_2 + 1.0)) * (Math.tan(k) * (Math.sin(k) * (Math.pow(t, 3.0) / (l * l)))))) <= 5e+287) {
		tmp = t_1 * (((2.0 * Math.pow(t, -3.0)) / (2.0 + t_2)) * (l / Math.sin(k)));
	} else {
		tmp = (2.0 * (l / (Math.pow(k, 2.0) * (t * Math.sin(k))))) * t_1;
	}
	return tmp;
}
def code(t, l, k):
	t_1 = l / math.tan(k)
	t_2 = math.pow((k / t), 2.0)
	tmp = 0
	if (2.0 / ((1.0 + (t_2 + 1.0)) * (math.tan(k) * (math.sin(k) * (math.pow(t, 3.0) / (l * l)))))) <= 5e+287:
		tmp = t_1 * (((2.0 * math.pow(t, -3.0)) / (2.0 + t_2)) * (l / math.sin(k)))
	else:
		tmp = (2.0 * (l / (math.pow(k, 2.0) * (t * math.sin(k))))) * t_1
	return tmp
function code(t, l, k)
	t_1 = Float64(l / tan(k))
	t_2 = Float64(k / t) ^ 2.0
	tmp = 0.0
	if (Float64(2.0 / Float64(Float64(1.0 + Float64(t_2 + 1.0)) * Float64(tan(k) * Float64(sin(k) * Float64((t ^ 3.0) / Float64(l * l)))))) <= 5e+287)
		tmp = Float64(t_1 * Float64(Float64(Float64(2.0 * (t ^ -3.0)) / Float64(2.0 + t_2)) * Float64(l / sin(k))));
	else
		tmp = Float64(Float64(2.0 * Float64(l / Float64((k ^ 2.0) * Float64(t * sin(k))))) * t_1);
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = l / tan(k);
	t_2 = (k / t) ^ 2.0;
	tmp = 0.0;
	if ((2.0 / ((1.0 + (t_2 + 1.0)) * (tan(k) * (sin(k) * ((t ^ 3.0) / (l * l)))))) <= 5e+287)
		tmp = t_1 * (((2.0 * (t ^ -3.0)) / (2.0 + t_2)) * (l / sin(k)));
	else
		tmp = (2.0 * (l / ((k ^ 2.0) * (t * sin(k))))) * t_1;
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]}, If[LessEqual[N[(2.0 / N[(N[(1.0 + N[(t$95$2 + 1.0), $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]), $MachinePrecision], 5e+287], N[(t$95$1 * N[(N[(N[(2.0 * N[Power[t, -3.0], $MachinePrecision]), $MachinePrecision] / N[(2.0 + t$95$2), $MachinePrecision]), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(2.0 * N[(l / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\ell}{\tan k}\\
t_2 := {\left(\frac{k}{t}\right)}^{2}\\
\mathbf{if}\;\frac{2}{\left(1 + \left(t_2 + 1\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right)} \leq 5 \cdot 10^{+287}:\\
\;\;\;\;t_1 \cdot \left(\frac{2 \cdot {t}^{-3}}{2 + t_2} \cdot \frac{\ell}{\sin k}\right)\\

\mathbf{else}:\\
\;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot t_1\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1))) < 5e287

    1. Initial program 79.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified68.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*70.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*70.8%

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

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv86.2%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip86.6%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval86.6%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr86.6%

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

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

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

    if 5e287 < (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1)))

    1. Initial program 23.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified23.8%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*33.7%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*33.7%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac33.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv33.9%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip33.9%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval33.9%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr33.9%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Taylor expanded in t around 0 64.9%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification79.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{2}{\left(1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right)} \leq 5 \cdot 10^{+287}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)\\ \mathbf{else}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot \frac{\ell}{\tan k}\\ \end{array} \]

Alternative 3: 85.7% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -6 \cdot 10^{-73} \lor \neg \left(t \leq 4.4 \cdot 10^{-85}\right):\\ \;\;\;\;\frac{\frac{2}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{else}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot \frac{\ell}{\tan k}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (or (<= t -6e-73) (not (<= t 4.4e-85)))
   (/
    (/ 2.0 (* (pow (* (/ t (pow (cbrt l) 2.0)) (cbrt (sin k))) 3.0) (tan k)))
    (+ 2.0 (pow (/ k t) 2.0)))
   (* (* 2.0 (/ l (* (pow k 2.0) (* t (sin k))))) (/ l (tan k)))))
double code(double t, double l, double k) {
	double tmp;
	if ((t <= -6e-73) || !(t <= 4.4e-85)) {
		tmp = (2.0 / (pow(((t / pow(cbrt(l), 2.0)) * cbrt(sin(k))), 3.0) * tan(k))) / (2.0 + pow((k / t), 2.0));
	} else {
		tmp = (2.0 * (l / (pow(k, 2.0) * (t * sin(k))))) * (l / tan(k));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double tmp;
	if ((t <= -6e-73) || !(t <= 4.4e-85)) {
		tmp = (2.0 / (Math.pow(((t / Math.pow(Math.cbrt(l), 2.0)) * Math.cbrt(Math.sin(k))), 3.0) * Math.tan(k))) / (2.0 + Math.pow((k / t), 2.0));
	} else {
		tmp = (2.0 * (l / (Math.pow(k, 2.0) * (t * Math.sin(k))))) * (l / Math.tan(k));
	}
	return tmp;
}
function code(t, l, k)
	tmp = 0.0
	if ((t <= -6e-73) || !(t <= 4.4e-85))
		tmp = Float64(Float64(2.0 / Float64((Float64(Float64(t / (cbrt(l) ^ 2.0)) * cbrt(sin(k))) ^ 3.0) * tan(k))) / Float64(2.0 + (Float64(k / t) ^ 2.0)));
	else
		tmp = Float64(Float64(2.0 * Float64(l / Float64((k ^ 2.0) * Float64(t * sin(k))))) * Float64(l / tan(k)));
	end
	return tmp
end
code[t_, l_, k_] := If[Or[LessEqual[t, -6e-73], N[Not[LessEqual[t, 4.4e-85]], $MachinePrecision]], N[(N[(2.0 / N[(N[Power[N[(N[(t / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] * N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] * N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(2.0 * N[(l / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -6 \cdot 10^{-73} \lor \neg \left(t \leq 4.4 \cdot 10^{-85}\right):\\
\;\;\;\;\frac{\frac{2}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < -6e-73 or 4.4e-85 < t

    1. Initial program 65.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified70.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    3. Step-by-step derivation
      1. add-cube-cbrt70.6%

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow370.6%

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{3}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cbrt-div70.6%

        \[\leadsto \frac{\frac{2}{\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{3}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. rem-cbrt-cube75.1%

        \[\leadsto \frac{\frac{2}{\left(\frac{{\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell}}\right)}^{3}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    4. Applied egg-rr75.1%

      \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Step-by-step derivation
      1. add-cube-cbrt75.0%

        \[\leadsto \frac{\frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right)} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow275.0%

        \[\leadsto \frac{\frac{2}{\left(\left(\color{blue}{{\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right)}^{2}} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cbrt-div75.0%

        \[\leadsto \frac{\frac{2}{\left(\left({\color{blue}{\left(\frac{\sqrt[3]{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. unpow375.0%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\sqrt[3]{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. add-cbrt-cube75.0%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. cbrt-div74.9%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \color{blue}{\frac{\sqrt[3]{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}}{\sqrt[3]{\ell}}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. unpow374.9%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\sqrt[3]{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}}{\sqrt[3]{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. add-cbrt-cube83.7%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr83.7%

      \[\leadsto \frac{\frac{2}{\left(\color{blue}{\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Step-by-step derivation
      1. add-cube-cbrt83.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\left(\sqrt[3]{\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right) \cdot \sin k} \cdot \sqrt[3]{\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right) \cdot \sin k}\right) \cdot \sqrt[3]{\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right) \cdot \sin k}\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow383.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt[3]{\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right) \cdot \sin k}\right)}^{3}} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cbrt-prod83.6%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt[3]{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. unpow283.6%

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

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. associate-/l/90.2%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{t}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. pow290.2%

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

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

    if -6e-73 < t < 4.4e-85

    1. Initial program 41.6%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*47.2%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*47.2%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac48.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv48.4%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip48.4%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval48.4%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr48.4%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Taylor expanded in t around 0 85.3%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -6 \cdot 10^{-73} \lor \neg \left(t \leq 4.4 \cdot 10^{-85}\right):\\ \;\;\;\;\frac{\frac{2}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{else}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot \frac{\ell}{\tan k}\\ \end{array} \]

Alternative 4: 83.9% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := 2 + {\left(\frac{k}{t}\right)}^{2}\\ t_2 := \frac{t}{\sqrt[3]{\ell}}\\ t_3 := \frac{\ell}{\tan k}\\ t_4 := \frac{2 \cdot {t}^{-3}}{t_1} \cdot \frac{\ell}{\sin k}\\ \mathbf{if}\;t \leq -6.8 \cdot 10^{+117}:\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}}{t_1}\\ \mathbf{elif}\;t \leq -2.3 \cdot 10^{-76}:\\ \;\;\;\;\frac{\ell \cdot t_4}{\tan k}\\ \mathbf{elif}\;t \leq 8.6 \cdot 10^{-86}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot t_3\\ \mathbf{elif}\;t \leq 1.2 \cdot 10^{+105}:\\ \;\;\;\;t_3 \cdot t_4\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \left(t_2 \cdot \frac{{t_2}^{2}}{\ell}\right)\right)}}{t_1}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (+ 2.0 (pow (/ k t) 2.0)))
        (t_2 (/ t (cbrt l)))
        (t_3 (/ l (tan k)))
        (t_4 (* (/ (* 2.0 (pow t -3.0)) t_1) (/ l (sin k)))))
   (if (<= t -6.8e+117)
     (/ (/ 2.0 (* (tan k) (* (sin k) (pow (/ t (pow (cbrt l) 2.0)) 3.0)))) t_1)
     (if (<= t -2.3e-76)
       (/ (* l t_4) (tan k))
       (if (<= t 8.6e-86)
         (* (* 2.0 (/ l (* (pow k 2.0) (* t (sin k))))) t_3)
         (if (<= t 1.2e+105)
           (* t_3 t_4)
           (/
            (/ 2.0 (* (tan k) (* (sin k) (* t_2 (/ (pow t_2 2.0) l)))))
            t_1)))))))
double code(double t, double l, double k) {
	double t_1 = 2.0 + pow((k / t), 2.0);
	double t_2 = t / cbrt(l);
	double t_3 = l / tan(k);
	double t_4 = ((2.0 * pow(t, -3.0)) / t_1) * (l / sin(k));
	double tmp;
	if (t <= -6.8e+117) {
		tmp = (2.0 / (tan(k) * (sin(k) * pow((t / pow(cbrt(l), 2.0)), 3.0)))) / t_1;
	} else if (t <= -2.3e-76) {
		tmp = (l * t_4) / tan(k);
	} else if (t <= 8.6e-86) {
		tmp = (2.0 * (l / (pow(k, 2.0) * (t * sin(k))))) * t_3;
	} else if (t <= 1.2e+105) {
		tmp = t_3 * t_4;
	} else {
		tmp = (2.0 / (tan(k) * (sin(k) * (t_2 * (pow(t_2, 2.0) / l))))) / t_1;
	}
	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 = t / Math.cbrt(l);
	double t_3 = l / Math.tan(k);
	double t_4 = ((2.0 * Math.pow(t, -3.0)) / t_1) * (l / Math.sin(k));
	double tmp;
	if (t <= -6.8e+117) {
		tmp = (2.0 / (Math.tan(k) * (Math.sin(k) * Math.pow((t / Math.pow(Math.cbrt(l), 2.0)), 3.0)))) / t_1;
	} else if (t <= -2.3e-76) {
		tmp = (l * t_4) / Math.tan(k);
	} else if (t <= 8.6e-86) {
		tmp = (2.0 * (l / (Math.pow(k, 2.0) * (t * Math.sin(k))))) * t_3;
	} else if (t <= 1.2e+105) {
		tmp = t_3 * t_4;
	} else {
		tmp = (2.0 / (Math.tan(k) * (Math.sin(k) * (t_2 * (Math.pow(t_2, 2.0) / l))))) / t_1;
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(2.0 + (Float64(k / t) ^ 2.0))
	t_2 = Float64(t / cbrt(l))
	t_3 = Float64(l / tan(k))
	t_4 = Float64(Float64(Float64(2.0 * (t ^ -3.0)) / t_1) * Float64(l / sin(k)))
	tmp = 0.0
	if (t <= -6.8e+117)
		tmp = Float64(Float64(2.0 / Float64(tan(k) * Float64(sin(k) * (Float64(t / (cbrt(l) ^ 2.0)) ^ 3.0)))) / t_1);
	elseif (t <= -2.3e-76)
		tmp = Float64(Float64(l * t_4) / tan(k));
	elseif (t <= 8.6e-86)
		tmp = Float64(Float64(2.0 * Float64(l / Float64((k ^ 2.0) * Float64(t * sin(k))))) * t_3);
	elseif (t <= 1.2e+105)
		tmp = Float64(t_3 * t_4);
	else
		tmp = Float64(Float64(2.0 / Float64(tan(k) * Float64(sin(k) * Float64(t_2 * Float64((t_2 ^ 2.0) / l))))) / t_1);
	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[(t / N[Power[l, 1/3], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$3 = N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$4 = N[(N[(N[(2.0 * N[Power[t, -3.0], $MachinePrecision]), $MachinePrecision] / t$95$1), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -6.8e+117], N[(N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[Power[N[(t / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t$95$1), $MachinePrecision], If[LessEqual[t, -2.3e-76], N[(N[(l * t$95$4), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 8.6e-86], N[(N[(2.0 * N[(l / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$3), $MachinePrecision], If[LessEqual[t, 1.2e+105], N[(t$95$3 * t$95$4), $MachinePrecision], N[(N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(t$95$2 * N[(N[Power[t$95$2, 2.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t$95$1), $MachinePrecision]]]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := 2 + {\left(\frac{k}{t}\right)}^{2}\\
t_2 := \frac{t}{\sqrt[3]{\ell}}\\
t_3 := \frac{\ell}{\tan k}\\
t_4 := \frac{2 \cdot {t}^{-3}}{t_1} \cdot \frac{\ell}{\sin k}\\
\mathbf{if}\;t \leq -6.8 \cdot 10^{+117}:\\
\;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}}{t_1}\\

\mathbf{elif}\;t \leq -2.3 \cdot 10^{-76}:\\
\;\;\;\;\frac{\ell \cdot t_4}{\tan k}\\

\mathbf{elif}\;t \leq 8.6 \cdot 10^{-86}:\\
\;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot t_3\\

\mathbf{elif}\;t \leq 1.2 \cdot 10^{+105}:\\
\;\;\;\;t_3 \cdot t_4\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \left(t_2 \cdot \frac{{t_2}^{2}}{\ell}\right)\right)}}{t_1}\\


\end{array}
\end{array}
Derivation
  1. Split input into 5 regimes
  2. if t < -6.8000000000000002e117

    1. Initial program 61.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified66.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    3. Step-by-step derivation
      1. add-cube-cbrt66.5%

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow366.5%

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{3}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cbrt-div66.5%

        \[\leadsto \frac{\frac{2}{\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{3}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. rem-cbrt-cube77.3%

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

      \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Step-by-step derivation
      1. add-cube-cbrt77.3%

        \[\leadsto \frac{\frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right)} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow277.3%

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

        \[\leadsto \frac{\frac{2}{\left(\left({\color{blue}{\left(\frac{\sqrt[3]{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. unpow377.3%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\sqrt[3]{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. add-cbrt-cube77.3%

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

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \color{blue}{\frac{\sqrt[3]{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}}{\sqrt[3]{\ell}}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. unpow377.3%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\sqrt[3]{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}}{\sqrt[3]{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. add-cbrt-cube95.8%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr95.8%

      \[\leadsto \frac{\frac{2}{\left(\color{blue}{\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Step-by-step derivation
      1. expm1-log1p-u59.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right) \cdot \sin k\right)\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. expm1-udef44.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(e^{\mathsf{log1p}\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right) \cdot \sin k\right)} - 1\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. pow-plus44.0%

        \[\leadsto \frac{\frac{2}{\left(e^{\mathsf{log1p}\left(\color{blue}{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{\left(2 + 1\right)}} \cdot \sin k\right)} - 1\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/44.0%

        \[\leadsto \frac{\frac{2}{\left(e^{\mathsf{log1p}\left({\color{blue}{\left(\frac{t}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}\right)}}^{\left(2 + 1\right)} \cdot \sin k\right)} - 1\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. pow244.0%

        \[\leadsto \frac{\frac{2}{\left(e^{\mathsf{log1p}\left({\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{\left(2 + 1\right)} \cdot \sin k\right)} - 1\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. metadata-eval44.0%

        \[\leadsto \frac{\frac{2}{\left(e^{\mathsf{log1p}\left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{\color{blue}{3}} \cdot \sin k\right)} - 1\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Applied egg-rr44.0%

      \[\leadsto \frac{\frac{2}{\color{blue}{\left(e^{\mathsf{log1p}\left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3} \cdot \sin k\right)} - 1\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Step-by-step derivation
      1. expm1-def59.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3} \cdot \sin k\right)\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. expm1-log1p95.8%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. *-commutative95.8%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Simplified95.8%

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

    if -6.8000000000000002e117 < t < -2.30000000000000006e-76

    1. Initial program 69.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified66.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*74.6%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*74.6%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac88.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv88.6%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip88.7%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval88.7%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr88.7%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. associate-*r/88.7%

        \[\leadsto \color{blue}{\frac{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac91.5%

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

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

    if -2.30000000000000006e-76 < t < 8.60000000000000026e-86

    1. Initial program 41.6%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*47.2%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*47.2%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac48.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv48.4%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip48.4%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval48.4%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr48.4%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Taylor expanded in t around 0 85.3%

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

    if 8.60000000000000026e-86 < t < 1.19999999999999987e105

    1. Initial program 71.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified69.2%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*71.6%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*71.6%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac81.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv81.9%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip83.0%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval83.0%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr83.0%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac87.7%

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

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

    if 1.19999999999999987e105 < t

    1. Initial program 57.7%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    3. Step-by-step derivation
      1. add-cube-cbrt62.1%

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow362.1%

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

        \[\leadsto \frac{\frac{2}{\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{3}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. rem-cbrt-cube68.4%

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

      \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Step-by-step derivation
      1. unpow368.5%

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. unpow268.5%

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}} \cdot \frac{t}{\sqrt[3]{\ell}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. associate-*r/84.3%

        \[\leadsto \frac{\frac{2}{\left(\color{blue}{\left({\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/73.6%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2} \cdot \color{blue}{\frac{t}{\ell \cdot \sqrt[3]{\ell}}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr73.6%

      \[\leadsto \frac{\frac{2}{\left(\color{blue}{\left({\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{t}{\ell \cdot \sqrt[3]{\ell}}\right)} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Step-by-step derivation
      1. *-commutative73.6%

        \[\leadsto \frac{\frac{2}{\left(\color{blue}{\left(\frac{t}{\ell \cdot \sqrt[3]{\ell}} \cdot {\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}\right)} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. associate-*l/63.7%

        \[\leadsto \frac{\frac{2}{\left(\color{blue}{\frac{t \cdot {\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{\ell \cdot \sqrt[3]{\ell}}} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. *-commutative63.7%

        \[\leadsto \frac{\frac{2}{\left(\frac{t \cdot {\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{\color{blue}{\sqrt[3]{\ell} \cdot \ell}} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. times-frac84.3%

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

      \[\leadsto \frac{\frac{2}{\left(\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{\ell}\right)} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
  3. Recombined 5 regimes into one program.
  4. Final simplification88.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -6.8 \cdot 10^{+117}:\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{elif}\;t \leq -2.3 \cdot 10^{-76}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{elif}\;t \leq 8.6 \cdot 10^{-86}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot \frac{\ell}{\tan k}\\ \mathbf{elif}\;t \leq 1.2 \cdot 10^{+105}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{2}}{\ell}\right)\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \end{array} \]

Alternative 5: 84.3% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := 2 + {\left(\frac{k}{t}\right)}^{2}\\ t_2 := \frac{\frac{2}{\tan k \cdot \left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}}{t_1}\\ t_3 := \frac{\ell}{\tan k}\\ t_4 := \frac{2 \cdot {t}^{-3}}{t_1} \cdot \frac{\ell}{\sin k}\\ \mathbf{if}\;t \leq -6.8 \cdot 10^{+117}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t \leq -3.2 \cdot 10^{-76}:\\ \;\;\;\;\frac{\ell \cdot t_4}{\tan k}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-89}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot t_3\\ \mathbf{elif}\;t \leq 1.75 \cdot 10^{+105}:\\ \;\;\;\;t_3 \cdot t_4\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (+ 2.0 (pow (/ k t) 2.0)))
        (t_2
         (/
          (/ 2.0 (* (tan k) (* (sin k) (pow (/ t (pow (cbrt l) 2.0)) 3.0))))
          t_1))
        (t_3 (/ l (tan k)))
        (t_4 (* (/ (* 2.0 (pow t -3.0)) t_1) (/ l (sin k)))))
   (if (<= t -6.8e+117)
     t_2
     (if (<= t -3.2e-76)
       (/ (* l t_4) (tan k))
       (if (<= t 8e-89)
         (* (* 2.0 (/ l (* (pow k 2.0) (* t (sin k))))) t_3)
         (if (<= t 1.75e+105) (* t_3 t_4) 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 / (tan(k) * (sin(k) * pow((t / pow(cbrt(l), 2.0)), 3.0)))) / t_1;
	double t_3 = l / tan(k);
	double t_4 = ((2.0 * pow(t, -3.0)) / t_1) * (l / sin(k));
	double tmp;
	if (t <= -6.8e+117) {
		tmp = t_2;
	} else if (t <= -3.2e-76) {
		tmp = (l * t_4) / tan(k);
	} else if (t <= 8e-89) {
		tmp = (2.0 * (l / (pow(k, 2.0) * (t * sin(k))))) * t_3;
	} else if (t <= 1.75e+105) {
		tmp = t_3 * t_4;
	} 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 / (Math.tan(k) * (Math.sin(k) * Math.pow((t / Math.pow(Math.cbrt(l), 2.0)), 3.0)))) / t_1;
	double t_3 = l / Math.tan(k);
	double t_4 = ((2.0 * Math.pow(t, -3.0)) / t_1) * (l / Math.sin(k));
	double tmp;
	if (t <= -6.8e+117) {
		tmp = t_2;
	} else if (t <= -3.2e-76) {
		tmp = (l * t_4) / Math.tan(k);
	} else if (t <= 8e-89) {
		tmp = (2.0 * (l / (Math.pow(k, 2.0) * (t * Math.sin(k))))) * t_3;
	} else if (t <= 1.75e+105) {
		tmp = t_3 * t_4;
	} else {
		tmp = t_2;
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(2.0 + (Float64(k / t) ^ 2.0))
	t_2 = Float64(Float64(2.0 / Float64(tan(k) * Float64(sin(k) * (Float64(t / (cbrt(l) ^ 2.0)) ^ 3.0)))) / t_1)
	t_3 = Float64(l / tan(k))
	t_4 = Float64(Float64(Float64(2.0 * (t ^ -3.0)) / t_1) * Float64(l / sin(k)))
	tmp = 0.0
	if (t <= -6.8e+117)
		tmp = t_2;
	elseif (t <= -3.2e-76)
		tmp = Float64(Float64(l * t_4) / tan(k));
	elseif (t <= 8e-89)
		tmp = Float64(Float64(2.0 * Float64(l / Float64((k ^ 2.0) * Float64(t * sin(k))))) * t_3);
	elseif (t <= 1.75e+105)
		tmp = Float64(t_3 * t_4);
	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[(N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[Power[N[(t / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t$95$1), $MachinePrecision]}, Block[{t$95$3 = N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$4 = N[(N[(N[(2.0 * N[Power[t, -3.0], $MachinePrecision]), $MachinePrecision] / t$95$1), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -6.8e+117], t$95$2, If[LessEqual[t, -3.2e-76], N[(N[(l * t$95$4), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 8e-89], N[(N[(2.0 * N[(l / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$3), $MachinePrecision], If[LessEqual[t, 1.75e+105], N[(t$95$3 * t$95$4), $MachinePrecision], t$95$2]]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := 2 + {\left(\frac{k}{t}\right)}^{2}\\
t_2 := \frac{\frac{2}{\tan k \cdot \left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}}{t_1}\\
t_3 := \frac{\ell}{\tan k}\\
t_4 := \frac{2 \cdot {t}^{-3}}{t_1} \cdot \frac{\ell}{\sin k}\\
\mathbf{if}\;t \leq -6.8 \cdot 10^{+117}:\\
\;\;\;\;t_2\\

\mathbf{elif}\;t \leq -3.2 \cdot 10^{-76}:\\
\;\;\;\;\frac{\ell \cdot t_4}{\tan k}\\

\mathbf{elif}\;t \leq 8 \cdot 10^{-89}:\\
\;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot t_3\\

\mathbf{elif}\;t \leq 1.75 \cdot 10^{+105}:\\
\;\;\;\;t_3 \cdot t_4\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if t < -6.8000000000000002e117 or 1.74999999999999996e105 < t

    1. Initial program 59.6%

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

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

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow364.3%

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

        \[\leadsto \frac{\frac{2}{\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{3}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. rem-cbrt-cube72.9%

        \[\leadsto \frac{\frac{2}{\left(\frac{{\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell}}\right)}^{3}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    4. Applied egg-rr72.9%

      \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    5. Step-by-step derivation
      1. add-cube-cbrt72.9%

        \[\leadsto \frac{\frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right)} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow272.9%

        \[\leadsto \frac{\frac{2}{\left(\left(\color{blue}{{\left(\sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right)}^{2}} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cbrt-div72.9%

        \[\leadsto \frac{\frac{2}{\left(\left({\color{blue}{\left(\frac{\sqrt[3]{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}}{\sqrt[3]{\ell}}\right)}}^{2} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. unpow372.9%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\sqrt[3]{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \sqrt[3]{\frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. add-cbrt-cube72.9%

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

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \color{blue}{\frac{\sqrt[3]{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}}{\sqrt[3]{\ell}}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. unpow372.8%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\sqrt[3]{\color{blue}{\left(\frac{t}{\sqrt[3]{\ell}} \cdot \frac{t}{\sqrt[3]{\ell}}\right) \cdot \frac{t}{\sqrt[3]{\ell}}}}}{\sqrt[3]{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. add-cbrt-cube89.9%

        \[\leadsto \frac{\frac{2}{\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\color{blue}{\frac{t}{\sqrt[3]{\ell}}}}{\sqrt[3]{\ell}}\right) \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr89.9%

      \[\leadsto \frac{\frac{2}{\left(\color{blue}{\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Step-by-step derivation
      1. expm1-log1p-u48.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right) \cdot \sin k\right)\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. expm1-udef37.8%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(e^{\mathsf{log1p}\left(\left({\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{2} \cdot \frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right) \cdot \sin k\right)} - 1\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. pow-plus37.8%

        \[\leadsto \frac{\frac{2}{\left(e^{\mathsf{log1p}\left(\color{blue}{{\left(\frac{\frac{t}{\sqrt[3]{\ell}}}{\sqrt[3]{\ell}}\right)}^{\left(2 + 1\right)}} \cdot \sin k\right)} - 1\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/37.8%

        \[\leadsto \frac{\frac{2}{\left(e^{\mathsf{log1p}\left({\color{blue}{\left(\frac{t}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}\right)}}^{\left(2 + 1\right)} \cdot \sin k\right)} - 1\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. pow237.8%

        \[\leadsto \frac{\frac{2}{\left(e^{\mathsf{log1p}\left({\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{\left(2 + 1\right)} \cdot \sin k\right)} - 1\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. metadata-eval37.8%

        \[\leadsto \frac{\frac{2}{\left(e^{\mathsf{log1p}\left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{\color{blue}{3}} \cdot \sin k\right)} - 1\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Applied egg-rr37.8%

      \[\leadsto \frac{\frac{2}{\color{blue}{\left(e^{\mathsf{log1p}\left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3} \cdot \sin k\right)} - 1\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Step-by-step derivation
      1. expm1-def48.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3} \cdot \sin k\right)\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. expm1-log1p90.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left({\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3} \cdot \sin k\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. *-commutative90.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)} \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Simplified90.0%

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

    if -6.8000000000000002e117 < t < -3.1999999999999998e-76

    1. Initial program 69.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified66.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*74.6%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*74.6%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac88.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv88.6%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip88.7%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval88.7%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr88.7%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. associate-*r/88.7%

        \[\leadsto \color{blue}{\frac{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac91.5%

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

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

    if -3.1999999999999998e-76 < t < 8.00000000000000031e-89

    1. Initial program 41.6%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*47.2%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*47.2%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac48.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv48.4%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip48.4%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval48.4%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr48.4%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Taylor expanded in t around 0 85.3%

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

    if 8.00000000000000031e-89 < t < 1.74999999999999996e105

    1. Initial program 71.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified69.2%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*71.6%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*71.6%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac81.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv81.9%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip83.0%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval83.0%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr83.0%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac87.7%

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

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -6.8 \cdot 10^{+117}:\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{elif}\;t \leq -3.2 \cdot 10^{-76}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-89}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot \frac{\ell}{\tan k}\\ \mathbf{elif}\;t \leq 1.75 \cdot 10^{+105}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \end{array} \]

Alternative 6: 81.6% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ t_2 := 2 + t_1\\ t_3 := \frac{\ell}{\tan k}\\ t_4 := \frac{2 \cdot {t}^{-3}}{t_2} \cdot \frac{\ell}{\sin k}\\ \mathbf{if}\;t \leq -6.8 \cdot 10^{+117}:\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}\right)}}{t_2}\\ \mathbf{elif}\;t \leq -3.3 \cdot 10^{-74}:\\ \;\;\;\;\frac{\ell \cdot t_4}{\tan k}\\ \mathbf{elif}\;t \leq 4 \cdot 10^{-86}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot t_3\\ \mathbf{elif}\;t \leq 2.15 \cdot 10^{+105}:\\ \;\;\;\;t_3 \cdot t_4\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot {\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}\right)\right) \cdot \left(1 + \left(t_1 + 1\right)\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0))
        (t_2 (+ 2.0 t_1))
        (t_3 (/ l (tan k)))
        (t_4 (* (/ (* 2.0 (pow t -3.0)) t_2) (/ l (sin k)))))
   (if (<= t -6.8e+117)
     (/ (/ 2.0 (* (tan k) (* (sin k) (/ (pow (/ t (cbrt l)) 3.0) l)))) t_2)
     (if (<= t -3.3e-74)
       (/ (* l t_4) (tan k))
       (if (<= t 4e-86)
         (* (* 2.0 (/ l (* (pow k 2.0) (* t (sin k))))) t_3)
         (if (<= t 2.15e+105)
           (* t_3 t_4)
           (/
            2.0
            (*
             (* (tan k) (* (sin k) (pow (/ (pow t 1.5) l) 2.0)))
             (+ 1.0 (+ t_1 1.0))))))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double t_2 = 2.0 + t_1;
	double t_3 = l / tan(k);
	double t_4 = ((2.0 * pow(t, -3.0)) / t_2) * (l / sin(k));
	double tmp;
	if (t <= -6.8e+117) {
		tmp = (2.0 / (tan(k) * (sin(k) * (pow((t / cbrt(l)), 3.0) / l)))) / t_2;
	} else if (t <= -3.3e-74) {
		tmp = (l * t_4) / tan(k);
	} else if (t <= 4e-86) {
		tmp = (2.0 * (l / (pow(k, 2.0) * (t * sin(k))))) * t_3;
	} else if (t <= 2.15e+105) {
		tmp = t_3 * t_4;
	} else {
		tmp = 2.0 / ((tan(k) * (sin(k) * pow((pow(t, 1.5) / l), 2.0))) * (1.0 + (t_1 + 1.0)));
	}
	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 + t_1;
	double t_3 = l / Math.tan(k);
	double t_4 = ((2.0 * Math.pow(t, -3.0)) / t_2) * (l / Math.sin(k));
	double tmp;
	if (t <= -6.8e+117) {
		tmp = (2.0 / (Math.tan(k) * (Math.sin(k) * (Math.pow((t / Math.cbrt(l)), 3.0) / l)))) / t_2;
	} else if (t <= -3.3e-74) {
		tmp = (l * t_4) / Math.tan(k);
	} else if (t <= 4e-86) {
		tmp = (2.0 * (l / (Math.pow(k, 2.0) * (t * Math.sin(k))))) * t_3;
	} else if (t <= 2.15e+105) {
		tmp = t_3 * t_4;
	} else {
		tmp = 2.0 / ((Math.tan(k) * (Math.sin(k) * Math.pow((Math.pow(t, 1.5) / l), 2.0))) * (1.0 + (t_1 + 1.0)));
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	t_2 = Float64(2.0 + t_1)
	t_3 = Float64(l / tan(k))
	t_4 = Float64(Float64(Float64(2.0 * (t ^ -3.0)) / t_2) * Float64(l / sin(k)))
	tmp = 0.0
	if (t <= -6.8e+117)
		tmp = Float64(Float64(2.0 / Float64(tan(k) * Float64(sin(k) * Float64((Float64(t / cbrt(l)) ^ 3.0) / l)))) / t_2);
	elseif (t <= -3.3e-74)
		tmp = Float64(Float64(l * t_4) / tan(k));
	elseif (t <= 4e-86)
		tmp = Float64(Float64(2.0 * Float64(l / Float64((k ^ 2.0) * Float64(t * sin(k))))) * t_3);
	elseif (t <= 2.15e+105)
		tmp = Float64(t_3 * t_4);
	else
		tmp = Float64(2.0 / Float64(Float64(tan(k) * Float64(sin(k) * (Float64((t ^ 1.5) / l) ^ 2.0))) * Float64(1.0 + Float64(t_1 + 1.0))));
	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 + t$95$1), $MachinePrecision]}, Block[{t$95$3 = N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$4 = N[(N[(N[(2.0 * N[Power[t, -3.0], $MachinePrecision]), $MachinePrecision] / t$95$2), $MachinePrecision] * N[(l / N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -6.8e+117], N[(N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[Power[N[(t / N[Power[l, 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t$95$2), $MachinePrecision], If[LessEqual[t, -3.3e-74], N[(N[(l * t$95$4), $MachinePrecision] / N[Tan[k], $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 4e-86], N[(N[(2.0 * N[(l / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$3), $MachinePrecision], If[LessEqual[t, 2.15e+105], N[(t$95$3 * t$95$4), $MachinePrecision], N[(2.0 / N[(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] * N[(1.0 + N[(t$95$1 + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{k}{t}\right)}^{2}\\
t_2 := 2 + t_1\\
t_3 := \frac{\ell}{\tan k}\\
t_4 := \frac{2 \cdot {t}^{-3}}{t_2} \cdot \frac{\ell}{\sin k}\\
\mathbf{if}\;t \leq -6.8 \cdot 10^{+117}:\\
\;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}\right)}}{t_2}\\

\mathbf{elif}\;t \leq -3.3 \cdot 10^{-74}:\\
\;\;\;\;\frac{\ell \cdot t_4}{\tan k}\\

\mathbf{elif}\;t \leq 4 \cdot 10^{-86}:\\
\;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot t_3\\

\mathbf{elif}\;t \leq 2.15 \cdot 10^{+105}:\\
\;\;\;\;t_3 \cdot t_4\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot {\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}\right)\right) \cdot \left(1 + \left(t_1 + 1\right)\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 5 regimes
  2. if t < -6.8000000000000002e117

    1. Initial program 61.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified66.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    3. Step-by-step derivation
      1. add-cube-cbrt66.5%

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell}}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow366.5%

        \[\leadsto \frac{\frac{2}{\left(\frac{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell}}\right)}^{3}}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. cbrt-div66.5%

        \[\leadsto \frac{\frac{2}{\left(\frac{{\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell}}\right)}}^{3}}{\ell} \cdot \sin k\right) \cdot \tan k}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. rem-cbrt-cube77.3%

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

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

    if -6.8000000000000002e117 < t < -3.29999999999999996e-74

    1. Initial program 69.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified66.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*74.6%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*74.6%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac88.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv88.6%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip88.7%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval88.7%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr88.7%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. associate-*r/88.7%

        \[\leadsto \color{blue}{\frac{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \ell}{\tan k}} \]
      2. times-frac91.5%

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

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

    if -3.29999999999999996e-74 < t < 4.00000000000000034e-86

    1. Initial program 41.6%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*47.2%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*47.2%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac48.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv48.4%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip48.4%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval48.4%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr48.4%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Taylor expanded in t around 0 85.3%

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

    if 4.00000000000000034e-86 < t < 2.1500000000000001e105

    1. Initial program 71.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified69.2%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*71.6%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*71.6%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac81.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv81.9%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip83.0%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval83.0%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr83.0%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Step-by-step derivation
      1. times-frac87.7%

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

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

    if 2.1500000000000001e105 < t

    1. Initial program 57.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. add-sqr-sqrt57.7%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt{\frac{{t}^{3}}{\ell \cdot \ell}}\right)} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      2. pow257.7%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{{\left(\sqrt{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{2}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      3. sqrt-div57.7%

        \[\leadsto \frac{2}{\left(\left({\color{blue}{\left(\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}\right)}}^{2} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      4. sqrt-pow166.7%

        \[\leadsto \frac{2}{\left(\left({\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}}\right)}^{2} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      5. metadata-eval66.7%

        \[\leadsto \frac{2}{\left(\left({\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}}\right)}^{2} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      6. sqrt-prod37.7%

        \[\leadsto \frac{2}{\left(\left({\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}}\right)}^{2} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
      7. add-sqr-sqrt81.6%

        \[\leadsto \frac{2}{\left(\left({\left(\frac{{t}^{1.5}}{\color{blue}{\ell}}\right)}^{2} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    3. Applied egg-rr81.6%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{{\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  3. Recombined 5 regimes into one program.
  4. Final simplification84.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -6.8 \cdot 10^{+117}:\\ \;\;\;\;\frac{\frac{2}{\tan k \cdot \left(\sin k \cdot \frac{{\left(\frac{t}{\sqrt[3]{\ell}}\right)}^{3}}{\ell}\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{elif}\;t \leq -3.3 \cdot 10^{-74}:\\ \;\;\;\;\frac{\ell \cdot \left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)}{\tan k}\\ \mathbf{elif}\;t \leq 4 \cdot 10^{-86}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot \frac{\ell}{\tan k}\\ \mathbf{elif}\;t \leq 2.15 \cdot 10^{+105}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \left(\frac{2 \cdot {t}^{-3}}{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \frac{\ell}{\sin k}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(\sin k \cdot {\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}\right)\right) \cdot \left(1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\right)}\\ \end{array} \]

Alternative 7: 76.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\ell}{\tan k}\\ \mathbf{if}\;t \leq -1.75 \cdot 10^{+55}:\\ \;\;\;\;t_1 \cdot \frac{\ell}{\sin k \cdot {t}^{3}}\\ \mathbf{elif}\;t \leq 1.9 \cdot 10^{-86}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot t_1\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{{\left(\left(k \cdot \frac{{t}^{1.5}}{\ell}\right) \cdot \mathsf{hypot}\left(1, \mathsf{hypot}\left(1, \frac{k}{t}\right)\right)\right)}^{2}}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ l (tan k))))
   (if (<= t -1.75e+55)
     (* t_1 (/ l (* (sin k) (pow t 3.0))))
     (if (<= t 1.9e-86)
       (* (* 2.0 (/ l (* (pow k 2.0) (* t (sin k))))) t_1)
       (/
        2.0
        (pow
         (* (* k (/ (pow t 1.5) l)) (hypot 1.0 (hypot 1.0 (/ k t))))
         2.0))))))
double code(double t, double l, double k) {
	double t_1 = l / tan(k);
	double tmp;
	if (t <= -1.75e+55) {
		tmp = t_1 * (l / (sin(k) * pow(t, 3.0)));
	} else if (t <= 1.9e-86) {
		tmp = (2.0 * (l / (pow(k, 2.0) * (t * sin(k))))) * t_1;
	} else {
		tmp = 2.0 / pow(((k * (pow(t, 1.5) / l)) * hypot(1.0, hypot(1.0, (k / t)))), 2.0);
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = l / Math.tan(k);
	double tmp;
	if (t <= -1.75e+55) {
		tmp = t_1 * (l / (Math.sin(k) * Math.pow(t, 3.0)));
	} else if (t <= 1.9e-86) {
		tmp = (2.0 * (l / (Math.pow(k, 2.0) * (t * Math.sin(k))))) * t_1;
	} else {
		tmp = 2.0 / Math.pow(((k * (Math.pow(t, 1.5) / l)) * Math.hypot(1.0, Math.hypot(1.0, (k / t)))), 2.0);
	}
	return tmp;
}
def code(t, l, k):
	t_1 = l / math.tan(k)
	tmp = 0
	if t <= -1.75e+55:
		tmp = t_1 * (l / (math.sin(k) * math.pow(t, 3.0)))
	elif t <= 1.9e-86:
		tmp = (2.0 * (l / (math.pow(k, 2.0) * (t * math.sin(k))))) * t_1
	else:
		tmp = 2.0 / math.pow(((k * (math.pow(t, 1.5) / l)) * math.hypot(1.0, math.hypot(1.0, (k / t)))), 2.0)
	return tmp
function code(t, l, k)
	t_1 = Float64(l / tan(k))
	tmp = 0.0
	if (t <= -1.75e+55)
		tmp = Float64(t_1 * Float64(l / Float64(sin(k) * (t ^ 3.0))));
	elseif (t <= 1.9e-86)
		tmp = Float64(Float64(2.0 * Float64(l / Float64((k ^ 2.0) * Float64(t * sin(k))))) * t_1);
	else
		tmp = Float64(2.0 / (Float64(Float64(k * Float64((t ^ 1.5) / l)) * hypot(1.0, hypot(1.0, Float64(k / t)))) ^ 2.0));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = l / tan(k);
	tmp = 0.0;
	if (t <= -1.75e+55)
		tmp = t_1 * (l / (sin(k) * (t ^ 3.0)));
	elseif (t <= 1.9e-86)
		tmp = (2.0 * (l / ((k ^ 2.0) * (t * sin(k))))) * t_1;
	else
		tmp = 2.0 / (((k * ((t ^ 1.5) / l)) * hypot(1.0, hypot(1.0, (k / t)))) ^ 2.0);
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -1.75e+55], N[(t$95$1 * N[(l / N[(N[Sin[k], $MachinePrecision] * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 1.9e-86], N[(N[(2.0 * N[(l / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision], N[(2.0 / N[Power[N[(N[(k * N[(N[Power[t, 1.5], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] * N[Sqrt[1.0 ^ 2 + N[Sqrt[1.0 ^ 2 + N[(k / t), $MachinePrecision] ^ 2], $MachinePrecision] ^ 2], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\ell}{\tan k}\\
\mathbf{if}\;t \leq -1.75 \cdot 10^{+55}:\\
\;\;\;\;t_1 \cdot \frac{\ell}{\sin k \cdot {t}^{3}}\\

\mathbf{elif}\;t \leq 1.9 \cdot 10^{-86}:\\
\;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot t_1\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{{\left(\left(k \cdot \frac{{t}^{1.5}}{\ell}\right) \cdot \mathsf{hypot}\left(1, \mathsf{hypot}\left(1, \frac{k}{t}\right)\right)\right)}^{2}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -1.75000000000000005e55

    1. Initial program 62.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified51.3%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*57.7%

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

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

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv72.4%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip72.5%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval72.5%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr72.5%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Taylor expanded in t around inf 74.0%

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

    if -1.75000000000000005e55 < t < 1.9e-86

    1. Initial program 47.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified46.8%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*52.6%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*52.6%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac55.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv55.5%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip55.5%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval55.5%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr55.5%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Taylor expanded in t around 0 83.2%

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

    if 1.9e-86 < t

    1. Initial program 65.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. add-sqr-sqrt50.8%

        \[\leadsto \frac{2}{\color{blue}{\sqrt{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \cdot \sqrt{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}}} \]
      2. pow250.8%

        \[\leadsto \frac{2}{\color{blue}{{\left(\sqrt{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}\right)}^{2}}} \]
    3. Applied egg-rr53.7%

      \[\leadsto \frac{2}{\color{blue}{{\left(\left(\sqrt{\sin k \cdot \tan k} \cdot \frac{{t}^{1.5}}{\ell}\right) \cdot \mathsf{hypot}\left(1, \mathsf{hypot}\left(1, \frac{k}{t}\right)\right)\right)}^{2}}} \]
    4. Taylor expanded in k around 0 76.5%

      \[\leadsto \frac{2}{{\left(\left(\color{blue}{k} \cdot \frac{{t}^{1.5}}{\ell}\right) \cdot \mathsf{hypot}\left(1, \mathsf{hypot}\left(1, \frac{k}{t}\right)\right)\right)}^{2}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification78.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.75 \cdot 10^{+55}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\ell}{\sin k \cdot {t}^{3}}\\ \mathbf{elif}\;t \leq 1.9 \cdot 10^{-86}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot \frac{\ell}{\tan k}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{{\left(\left(k \cdot \frac{{t}^{1.5}}{\ell}\right) \cdot \mathsf{hypot}\left(1, \mathsf{hypot}\left(1, \frac{k}{t}\right)\right)\right)}^{2}}\\ \end{array} \]

Alternative 8: 67.7% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\ell}{\tan k}\\ \mathbf{if}\;k \leq 2.5 \cdot 10^{-28}:\\ \;\;\;\;t_1 \cdot \frac{\frac{\ell}{k}}{{t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;t_1 \cdot \left(2 \cdot \frac{\ell}{\sin k \cdot \left(t \cdot {k}^{2}\right)}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ l (tan k))))
   (if (<= k 2.5e-28)
     (* t_1 (/ (/ l k) (pow t 3.0)))
     (* t_1 (* 2.0 (/ l (* (sin k) (* t (pow k 2.0)))))))))
double code(double t, double l, double k) {
	double t_1 = l / tan(k);
	double tmp;
	if (k <= 2.5e-28) {
		tmp = t_1 * ((l / k) / pow(t, 3.0));
	} else {
		tmp = t_1 * (2.0 * (l / (sin(k) * (t * pow(k, 2.0)))));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: tmp
    t_1 = l / tan(k)
    if (k <= 2.5d-28) then
        tmp = t_1 * ((l / k) / (t ** 3.0d0))
    else
        tmp = t_1 * (2.0d0 * (l / (sin(k) * (t * (k ** 2.0d0)))))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = l / Math.tan(k);
	double tmp;
	if (k <= 2.5e-28) {
		tmp = t_1 * ((l / k) / Math.pow(t, 3.0));
	} else {
		tmp = t_1 * (2.0 * (l / (Math.sin(k) * (t * Math.pow(k, 2.0)))));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = l / math.tan(k)
	tmp = 0
	if k <= 2.5e-28:
		tmp = t_1 * ((l / k) / math.pow(t, 3.0))
	else:
		tmp = t_1 * (2.0 * (l / (math.sin(k) * (t * math.pow(k, 2.0)))))
	return tmp
function code(t, l, k)
	t_1 = Float64(l / tan(k))
	tmp = 0.0
	if (k <= 2.5e-28)
		tmp = Float64(t_1 * Float64(Float64(l / k) / (t ^ 3.0)));
	else
		tmp = Float64(t_1 * Float64(2.0 * Float64(l / Float64(sin(k) * Float64(t * (k ^ 2.0))))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = l / tan(k);
	tmp = 0.0;
	if (k <= 2.5e-28)
		tmp = t_1 * ((l / k) / (t ^ 3.0));
	else
		tmp = t_1 * (2.0 * (l / (sin(k) * (t * (k ^ 2.0)))));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[k, 2.5e-28], N[(t$95$1 * N[(N[(l / k), $MachinePrecision] / N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(t$95$1 * N[(2.0 * N[(l / N[(N[Sin[k], $MachinePrecision] * N[(t * N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\ell}{\tan k}\\
\mathbf{if}\;k \leq 2.5 \cdot 10^{-28}:\\
\;\;\;\;t_1 \cdot \frac{\frac{\ell}{k}}{{t}^{3}}\\

\mathbf{else}:\\
\;\;\;\;t_1 \cdot \left(2 \cdot \frac{\ell}{\sin k \cdot \left(t \cdot {k}^{2}\right)}\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 2.5000000000000001e-28

    1. Initial program 60.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified52.0%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*57.0%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*57.0%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac68.8%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv68.8%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip69.1%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval69.1%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr69.1%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Taylor expanded in k around 0 66.9%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    6. Step-by-step derivation
      1. associate-/r*68.2%

        \[\leadsto \color{blue}{\frac{\frac{\ell}{k}}{{t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    7. Simplified68.2%

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

    if 2.5000000000000001e-28 < k

    1. Initial program 48.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified48.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*53.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*53.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac55.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv55.4%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip55.4%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval55.4%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr55.4%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Taylor expanded in t around 0 70.7%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
    6. Step-by-step derivation
      1. associate-*r*70.6%

        \[\leadsto \left(2 \cdot \frac{\ell}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \sin k}}\right) \cdot \frac{\ell}{\tan k} \]
    7. Simplified70.6%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{\left({k}^{2} \cdot t\right) \cdot \sin k}\right)} \cdot \frac{\ell}{\tan k} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification68.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 2.5 \cdot 10^{-28}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\frac{\ell}{k}}{{t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \left(2 \cdot \frac{\ell}{\sin k \cdot \left(t \cdot {k}^{2}\right)}\right)\\ \end{array} \]

Alternative 9: 67.7% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\ell}{\tan k}\\ \mathbf{if}\;k \leq 1.85 \cdot 10^{-28}:\\ \;\;\;\;t_1 \cdot \frac{\frac{\ell}{k}}{{t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot t_1\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ l (tan k))))
   (if (<= k 1.85e-28)
     (* t_1 (/ (/ l k) (pow t 3.0)))
     (* (* 2.0 (/ l (* (pow k 2.0) (* t (sin k))))) t_1))))
double code(double t, double l, double k) {
	double t_1 = l / tan(k);
	double tmp;
	if (k <= 1.85e-28) {
		tmp = t_1 * ((l / k) / pow(t, 3.0));
	} else {
		tmp = (2.0 * (l / (pow(k, 2.0) * (t * sin(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 / tan(k)
    if (k <= 1.85d-28) then
        tmp = t_1 * ((l / k) / (t ** 3.0d0))
    else
        tmp = (2.0d0 * (l / ((k ** 2.0d0) * (t * sin(k))))) * t_1
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = l / Math.tan(k);
	double tmp;
	if (k <= 1.85e-28) {
		tmp = t_1 * ((l / k) / Math.pow(t, 3.0));
	} else {
		tmp = (2.0 * (l / (Math.pow(k, 2.0) * (t * Math.sin(k))))) * t_1;
	}
	return tmp;
}
def code(t, l, k):
	t_1 = l / math.tan(k)
	tmp = 0
	if k <= 1.85e-28:
		tmp = t_1 * ((l / k) / math.pow(t, 3.0))
	else:
		tmp = (2.0 * (l / (math.pow(k, 2.0) * (t * math.sin(k))))) * t_1
	return tmp
function code(t, l, k)
	t_1 = Float64(l / tan(k))
	tmp = 0.0
	if (k <= 1.85e-28)
		tmp = Float64(t_1 * Float64(Float64(l / k) / (t ^ 3.0)));
	else
		tmp = Float64(Float64(2.0 * Float64(l / Float64((k ^ 2.0) * Float64(t * sin(k))))) * t_1);
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = l / tan(k);
	tmp = 0.0;
	if (k <= 1.85e-28)
		tmp = t_1 * ((l / k) / (t ^ 3.0));
	else
		tmp = (2.0 * (l / ((k ^ 2.0) * (t * sin(k))))) * t_1;
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[k, 1.85e-28], N[(t$95$1 * N[(N[(l / k), $MachinePrecision] / N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(2.0 * N[(l / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * t$95$1), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\ell}{\tan k}\\
\mathbf{if}\;k \leq 1.85 \cdot 10^{-28}:\\
\;\;\;\;t_1 \cdot \frac{\frac{\ell}{k}}{{t}^{3}}\\

\mathbf{else}:\\
\;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot t_1\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.8500000000000001e-28

    1. Initial program 60.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified52.0%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*57.0%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*57.0%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac68.8%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv68.8%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip69.1%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval69.1%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr69.1%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Taylor expanded in k around 0 66.9%

      \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    6. Step-by-step derivation
      1. associate-/r*68.2%

        \[\leadsto \color{blue}{\frac{\frac{\ell}{k}}{{t}^{3}}} \cdot \frac{\ell}{\tan k} \]
    7. Simplified68.2%

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

    if 1.8500000000000001e-28 < k

    1. Initial program 48.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified48.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    3. Step-by-step derivation
      1. associate-*r*53.8%

        \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. associate-*r*53.8%

        \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
      3. times-frac55.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
      4. div-inv55.4%

        \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      5. pow-flip55.4%

        \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
      6. metadata-eval55.4%

        \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    4. Applied egg-rr55.4%

      \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    5. Taylor expanded in t around 0 70.7%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right)} \cdot \frac{\ell}{\tan k} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification68.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.85 \cdot 10^{-28}:\\ \;\;\;\;\frac{\ell}{\tan k} \cdot \frac{\frac{\ell}{k}}{{t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;\left(2 \cdot \frac{\ell}{{k}^{2} \cdot \left(t \cdot \sin k\right)}\right) \cdot \frac{\ell}{\tan k}\\ \end{array} \]

Alternative 10: 59.1% accurate, 2.0× speedup?

\[\begin{array}{l} \\ \frac{\ell}{\tan k} \cdot \frac{\ell}{k \cdot {t}^{3}} \end{array} \]
(FPCore (t l k) :precision binary64 (* (/ l (tan k)) (/ l (* k (pow t 3.0)))))
double code(double t, double l, double k) {
	return (l / tan(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 / tan(k)) * (l / (k * (t ** 3.0d0)))
end function
public static double code(double t, double l, double k) {
	return (l / Math.tan(k)) * (l / (k * Math.pow(t, 3.0)));
}
def code(t, l, k):
	return (l / math.tan(k)) * (l / (k * math.pow(t, 3.0)))
function code(t, l, k)
	return Float64(Float64(l / tan(k)) * Float64(l / Float64(k * (t ^ 3.0))))
end
function tmp = code(t, l, k)
	tmp = (l / tan(k)) * (l / (k * (t ^ 3.0)));
end
code[t_, l_, k_] := N[(N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(l / N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\ell}{\tan k} \cdot \frac{\ell}{k \cdot {t}^{3}}
\end{array}
Derivation
  1. Initial program 57.2%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Simplified51.1%

    \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
  3. Step-by-step derivation
    1. associate-*r*56.2%

      \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    2. associate-*r*56.2%

      \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
    3. times-frac65.6%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    4. div-inv65.6%

      \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    5. pow-flip65.8%

      \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    6. metadata-eval65.8%

      \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
  4. Applied egg-rr65.8%

    \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
  5. Taylor expanded in k around 0 61.2%

    \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
  6. Final simplification61.2%

    \[\leadsto \frac{\ell}{\tan k} \cdot \frac{\ell}{k \cdot {t}^{3}} \]

Alternative 11: 60.1% accurate, 2.0× speedup?

\[\begin{array}{l} \\ \frac{\ell}{\tan k} \cdot \frac{\frac{\ell}{k}}{{t}^{3}} \end{array} \]
(FPCore (t l k) :precision binary64 (* (/ l (tan k)) (/ (/ l k) (pow t 3.0))))
double code(double t, double l, double k) {
	return (l / tan(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 / tan(k)) * ((l / k) / (t ** 3.0d0))
end function
public static double code(double t, double l, double k) {
	return (l / Math.tan(k)) * ((l / k) / Math.pow(t, 3.0));
}
def code(t, l, k):
	return (l / math.tan(k)) * ((l / k) / math.pow(t, 3.0))
function code(t, l, k)
	return Float64(Float64(l / tan(k)) * Float64(Float64(l / k) / (t ^ 3.0)))
end
function tmp = code(t, l, k)
	tmp = (l / tan(k)) * ((l / k) / (t ^ 3.0));
end
code[t_, l_, k_] := N[(N[(l / N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(N[(l / k), $MachinePrecision] / N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\ell}{\tan k} \cdot \frac{\frac{\ell}{k}}{{t}^{3}}
\end{array}
Derivation
  1. Initial program 57.2%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Simplified51.1%

    \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \left(\ell \cdot \ell\right)}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
  3. Step-by-step derivation
    1. associate-*r*56.2%

      \[\leadsto \frac{\color{blue}{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    2. associate-*r*56.2%

      \[\leadsto \frac{\left(\frac{2}{{t}^{3}} \cdot \ell\right) \cdot \ell}{\color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k\right) \cdot \tan k}} \]
    3. times-frac65.6%

      \[\leadsto \color{blue}{\frac{\frac{2}{{t}^{3}} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
    4. div-inv65.6%

      \[\leadsto \frac{\color{blue}{\left(2 \cdot \frac{1}{{t}^{3}}\right)} \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    5. pow-flip65.8%

      \[\leadsto \frac{\left(2 \cdot \color{blue}{{t}^{\left(-3\right)}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
    6. metadata-eval65.8%

      \[\leadsto \frac{\left(2 \cdot {t}^{\color{blue}{-3}}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k} \]
  4. Applied egg-rr65.8%

    \[\leadsto \color{blue}{\frac{\left(2 \cdot {t}^{-3}\right) \cdot \ell}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \sin k} \cdot \frac{\ell}{\tan k}} \]
  5. Taylor expanded in k around 0 61.2%

    \[\leadsto \color{blue}{\frac{\ell}{k \cdot {t}^{3}}} \cdot \frac{\ell}{\tan k} \]
  6. Step-by-step derivation
    1. associate-/r*62.6%

      \[\leadsto \color{blue}{\frac{\frac{\ell}{k}}{{t}^{3}}} \cdot \frac{\ell}{\tan k} \]
  7. Simplified62.6%

    \[\leadsto \color{blue}{\frac{\frac{\ell}{k}}{{t}^{3}}} \cdot \frac{\ell}{\tan k} \]
  8. Final simplification62.6%

    \[\leadsto \frac{\ell}{\tan k} \cdot \frac{\frac{\ell}{k}}{{t}^{3}} \]

Reproduce

?
herbie shell --seed 2023308 
(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))))