Toniolo and Linder, Equation (10+)

Percentage Accurate: 54.7% → 83.1%
Time: 20.4s
Alternatives: 13
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 13 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: 54.7% 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: 83.1% accurate, 0.6× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ \begin{array}{l} t_2 := \tan k \cdot \left(2 + {\left(\frac{k}{t_m}\right)}^{2}\right)\\ t_s \cdot \begin{array}{l} \mathbf{if}\;t_m \leq 6 \cdot 10^{-106}:\\ \;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(t_m \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}\\ \mathbf{elif}\;t_m \leq 6 \cdot 10^{+101}:\\ \;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\frac{\ell}{t_2}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{t_2 \cdot {\left(\sqrt[3]{\sin k} \cdot \frac{t_m}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}}\\ \end{array} \end{array} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (let* ((t_2 (* (tan k) (+ 2.0 (pow (/ k t_m) 2.0)))))
   (*
    t_s
    (if (<= t_m 6e-106)
      (/
       2.0
       (/ (* (pow k 2.0) (* t_m (pow (sin k) 2.0))) (* (pow l 2.0) (cos k))))
      (if (<= t_m 6e+101)
        (/ 2.0 (/ (* (sin k) (/ (pow t_m 3.0) l)) (/ l t_2)))
        (/
         2.0
         (* t_2 (pow (* (cbrt (sin k)) (/ t_m (pow (cbrt l) 2.0))) 3.0))))))))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	double t_2 = tan(k) * (2.0 + pow((k / t_m), 2.0));
	double tmp;
	if (t_m <= 6e-106) {
		tmp = 2.0 / ((pow(k, 2.0) * (t_m * pow(sin(k), 2.0))) / (pow(l, 2.0) * cos(k)));
	} else if (t_m <= 6e+101) {
		tmp = 2.0 / ((sin(k) * (pow(t_m, 3.0) / l)) / (l / t_2));
	} else {
		tmp = 2.0 / (t_2 * pow((cbrt(sin(k)) * (t_m / pow(cbrt(l), 2.0))), 3.0));
	}
	return t_s * tmp;
}
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	double t_2 = Math.tan(k) * (2.0 + Math.pow((k / t_m), 2.0));
	double tmp;
	if (t_m <= 6e-106) {
		tmp = 2.0 / ((Math.pow(k, 2.0) * (t_m * Math.pow(Math.sin(k), 2.0))) / (Math.pow(l, 2.0) * Math.cos(k)));
	} else if (t_m <= 6e+101) {
		tmp = 2.0 / ((Math.sin(k) * (Math.pow(t_m, 3.0) / l)) / (l / t_2));
	} else {
		tmp = 2.0 / (t_2 * Math.pow((Math.cbrt(Math.sin(k)) * (t_m / Math.pow(Math.cbrt(l), 2.0))), 3.0));
	}
	return t_s * tmp;
}
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	t_2 = Float64(tan(k) * Float64(2.0 + (Float64(k / t_m) ^ 2.0)))
	tmp = 0.0
	if (t_m <= 6e-106)
		tmp = Float64(2.0 / Float64(Float64((k ^ 2.0) * Float64(t_m * (sin(k) ^ 2.0))) / Float64((l ^ 2.0) * cos(k))));
	elseif (t_m <= 6e+101)
		tmp = Float64(2.0 / Float64(Float64(sin(k) * Float64((t_m ^ 3.0) / l)) / Float64(l / t_2)));
	else
		tmp = Float64(2.0 / Float64(t_2 * (Float64(cbrt(sin(k)) * Float64(t_m / (cbrt(l) ^ 2.0))) ^ 3.0)));
	end
	return Float64(t_s * tmp)
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := Block[{t$95$2 = N[(N[Tan[k], $MachinePrecision] * N[(2.0 + N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, N[(t$95$s * If[LessEqual[t$95$m, 6e-106], N[(2.0 / N[(N[(N[Power[k, 2.0], $MachinePrecision] * N[(t$95$m * N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[Power[l, 2.0], $MachinePrecision] * N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$m, 6e+101], N[(2.0 / N[(N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t$95$m, 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / N[(l / t$95$2), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(t$95$2 * N[Power[N[(N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision] * N[(t$95$m / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]), $MachinePrecision]]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
\begin{array}{l}
t_2 := \tan k \cdot \left(2 + {\left(\frac{k}{t_m}\right)}^{2}\right)\\
t_s \cdot \begin{array}{l}
\mathbf{if}\;t_m \leq 6 \cdot 10^{-106}:\\
\;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(t_m \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}\\

\mathbf{elif}\;t_m \leq 6 \cdot 10^{+101}:\\
\;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\frac{\ell}{t_2}}}\\

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


\end{array}
\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < 6.00000000000000037e-106

    1. Initial program 49.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*49.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. sqr-neg49.3%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      3. sqr-neg49.3%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      4. associate-/r*54.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      5. distribute-rgt-in54.3%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k + 1 \cdot \tan k\right)}} \]
      6. unpow254.3%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      7. times-frac41.6%

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

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      9. times-frac54.3%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      10. unpow254.3%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{{\left(\frac{k}{-t}\right)}^{2}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      11. distribute-rgt-in54.3%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified54.3%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-cube-cbrt54.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k}\right) \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k}\right)} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      2. pow354.3%

        \[\leadsto \frac{2}{\color{blue}{{\left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k}\right)}^{3}} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      3. *-commutative54.3%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\color{blue}{\sin k \cdot \frac{\frac{{t}^{3}}{\ell}}{\ell}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      4. cbrt-prod54.2%

        \[\leadsto \frac{2}{{\color{blue}{\left(\sqrt[3]{\sin k} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)}}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      5. associate-/l/49.3%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \sqrt[3]{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      6. cbrt-div49.8%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell \cdot \ell}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      7. rem-cbrt-cube61.5%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \frac{\color{blue}{t}}{\sqrt[3]{\ell \cdot \ell}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      8. cbrt-unprod71.7%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \frac{t}{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      9. pow271.7%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
    6. Applied egg-rr71.7%

      \[\leadsto \frac{2}{\color{blue}{{\left(\sqrt[3]{\sin k} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
    7. Taylor expanded in k around inf 65.3%

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

    if 6.00000000000000037e-106 < t < 5.99999999999999986e101

    1. Initial program 71.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*71.3%

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

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

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      4. associate-/r*82.7%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      5. distribute-rgt-in82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k + 1 \cdot \tan k\right)}} \]
      6. unpow282.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      7. times-frac82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k \cdot k}{t \cdot t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      8. sqr-neg82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      9. times-frac82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      10. unpow282.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{{\left(\frac{k}{-t}\right)}^{2}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      11. distribute-rgt-in82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified82.7%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*l/82.6%

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

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \sin k}{\ell}} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
    7. Step-by-step derivation
      1. associate-*l/88.1%

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

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

      \[\leadsto \frac{2}{\color{blue}{\frac{\left(\sin k \cdot \frac{{t}^{3}}{\ell}\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    9. Step-by-step derivation
      1. associate-/l*88.1%

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

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

    if 5.99999999999999986e101 < t

    1. Initial program 68.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*68.5%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. sqr-neg68.5%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      3. sqr-neg68.5%

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

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      5. distribute-rgt-in71.9%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k + 1 \cdot \tan k\right)}} \]
      6. unpow271.9%

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

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k \cdot k}{t \cdot t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      8. sqr-neg51.3%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      9. times-frac71.9%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      10. unpow271.9%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{{\left(\frac{k}{-t}\right)}^{2}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      11. distribute-rgt-in71.9%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified71.9%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-cube-cbrt71.9%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k}\right) \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k}\right)} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      2. pow371.9%

        \[\leadsto \frac{2}{\color{blue}{{\left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k}\right)}^{3}} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      3. *-commutative71.9%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\color{blue}{\sin k \cdot \frac{\frac{{t}^{3}}{\ell}}{\ell}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      4. cbrt-prod71.9%

        \[\leadsto \frac{2}{{\color{blue}{\left(\sqrt[3]{\sin k} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)}}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      5. associate-/l/68.5%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \sqrt[3]{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      6. cbrt-div68.5%

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

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \frac{\color{blue}{t}}{\sqrt[3]{\ell \cdot \ell}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      8. cbrt-unprod96.7%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \frac{t}{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      9. pow296.7%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
    6. Applied egg-rr96.7%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 6 \cdot 10^{-106}:\\ \;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}\\ \mathbf{elif}\;t \leq 6 \cdot 10^{+101}:\\ \;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot {\left(\sqrt[3]{\sin k} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 81.5% accurate, 0.8× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ t_s \cdot \begin{array}{l} \mathbf{if}\;t_m \leq 4.6 \cdot 10^{-106}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2} \cdot \cos k}{{k}^{2} \cdot \left(t_m \cdot {\sin k}^{2}\right)}\\ \mathbf{elif}\;t_m \leq 5.6 \cdot 10^{+102}:\\ \;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t_m}\right)}^{2}\right)}}}\\ \mathbf{else}:\\ \;\;\;\;{\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{{\left(\sqrt[3]{k}\right)}^{2}}}{t_m}\right)}^{3}\\ \end{array} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= t_m 4.6e-106)
    (*
     2.0
     (/ (* (pow l 2.0) (cos k)) (* (pow k 2.0) (* t_m (pow (sin k) 2.0)))))
    (if (<= t_m 5.6e+102)
      (/
       2.0
       (/
        (* (sin k) (/ (pow t_m 3.0) l))
        (/ l (* (tan k) (+ 2.0 (pow (/ k t_m) 2.0))))))
      (pow (/ (/ (pow (cbrt l) 2.0) (pow (cbrt k) 2.0)) t_m) 3.0)))))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 4.6e-106) {
		tmp = 2.0 * ((pow(l, 2.0) * cos(k)) / (pow(k, 2.0) * (t_m * pow(sin(k), 2.0))));
	} else if (t_m <= 5.6e+102) {
		tmp = 2.0 / ((sin(k) * (pow(t_m, 3.0) / l)) / (l / (tan(k) * (2.0 + pow((k / t_m), 2.0)))));
	} else {
		tmp = pow(((pow(cbrt(l), 2.0) / pow(cbrt(k), 2.0)) / t_m), 3.0);
	}
	return t_s * tmp;
}
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 4.6e-106) {
		tmp = 2.0 * ((Math.pow(l, 2.0) * Math.cos(k)) / (Math.pow(k, 2.0) * (t_m * Math.pow(Math.sin(k), 2.0))));
	} else if (t_m <= 5.6e+102) {
		tmp = 2.0 / ((Math.sin(k) * (Math.pow(t_m, 3.0) / l)) / (l / (Math.tan(k) * (2.0 + Math.pow((k / t_m), 2.0)))));
	} else {
		tmp = Math.pow(((Math.pow(Math.cbrt(l), 2.0) / Math.pow(Math.cbrt(k), 2.0)) / t_m), 3.0);
	}
	return t_s * tmp;
}
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	tmp = 0.0
	if (t_m <= 4.6e-106)
		tmp = Float64(2.0 * Float64(Float64((l ^ 2.0) * cos(k)) / Float64((k ^ 2.0) * Float64(t_m * (sin(k) ^ 2.0)))));
	elseif (t_m <= 5.6e+102)
		tmp = Float64(2.0 / Float64(Float64(sin(k) * Float64((t_m ^ 3.0) / l)) / Float64(l / Float64(tan(k) * Float64(2.0 + (Float64(k / t_m) ^ 2.0))))));
	else
		tmp = Float64(Float64((cbrt(l) ^ 2.0) / (cbrt(k) ^ 2.0)) / t_m) ^ 3.0;
	end
	return Float64(t_s * tmp)
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := N[(t$95$s * If[LessEqual[t$95$m, 4.6e-106], N[(2.0 * N[(N[(N[Power[l, 2.0], $MachinePrecision] * N[Cos[k], $MachinePrecision]), $MachinePrecision] / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t$95$m * N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$m, 5.6e+102], N[(2.0 / N[(N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t$95$m, 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / N[(l / N[(N[Tan[k], $MachinePrecision] * N[(2.0 + N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[Power[N[(N[(N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision] / N[Power[N[Power[k, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / t$95$m), $MachinePrecision], 3.0], $MachinePrecision]]]), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
t_s \cdot \begin{array}{l}
\mathbf{if}\;t_m \leq 4.6 \cdot 10^{-106}:\\
\;\;\;\;2 \cdot \frac{{\ell}^{2} \cdot \cos k}{{k}^{2} \cdot \left(t_m \cdot {\sin k}^{2}\right)}\\

\mathbf{elif}\;t_m \leq 5.6 \cdot 10^{+102}:\\
\;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t_m}\right)}^{2}\right)}}}\\

\mathbf{else}:\\
\;\;\;\;{\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{{\left(\sqrt[3]{k}\right)}^{2}}}{t_m}\right)}^{3}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < 4.6000000000000002e-106

    1. Initial program 49.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*49.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg49.7%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*46.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg46.9%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*51.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+51.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow251.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac39.2%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg39.2%

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

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow251.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified51.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around 0 65.6%

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

    if 4.6000000000000002e-106 < t < 5.60000000000000037e102

    1. Initial program 71.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*71.3%

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

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

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      4. associate-/r*82.7%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      5. distribute-rgt-in82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k + 1 \cdot \tan k\right)}} \]
      6. unpow282.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      7. times-frac82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k \cdot k}{t \cdot t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      8. sqr-neg82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      9. times-frac82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      10. unpow282.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{{\left(\frac{k}{-t}\right)}^{2}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      11. distribute-rgt-in82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified82.7%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*l/82.6%

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

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \sin k}{\ell}} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
    7. Step-by-step derivation
      1. associate-*l/88.1%

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

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

      \[\leadsto \frac{2}{\color{blue}{\frac{\left(\sin k \cdot \frac{{t}^{3}}{\ell}\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    9. Step-by-step derivation
      1. associate-/l*88.1%

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

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

    if 5.60000000000000037e102 < t

    1. Initial program 68.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*68.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg68.5%

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

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

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*59.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+59.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow259.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac39.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg39.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac59.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow259.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified59.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 56.6%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    6. Step-by-step derivation
      1. add-cube-cbrt56.6%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \cdot \sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}\right) \cdot \sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}} \]
      2. pow356.6%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}\right)}^{3}} \]
      3. associate-/r*53.7%

        \[\leadsto {\left(\sqrt[3]{\color{blue}{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{3}}}}\right)}^{3} \]
      4. cbrt-div53.7%

        \[\leadsto {\color{blue}{\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{\sqrt[3]{{t}^{3}}}\right)}}^{3} \]
      5. rem-cbrt-cube71.4%

        \[\leadsto {\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{\color{blue}{t}}\right)}^{3} \]
    7. Applied egg-rr71.4%

      \[\leadsto \color{blue}{{\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{t}\right)}^{3}} \]
    8. Step-by-step derivation
      1. cbrt-div74.3%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\sqrt[3]{{\ell}^{2}}}{\sqrt[3]{{k}^{2}}}}}{t}\right)}^{3} \]
      2. unpow274.3%

        \[\leadsto {\left(\frac{\frac{\sqrt[3]{\color{blue}{\ell \cdot \ell}}}{\sqrt[3]{{k}^{2}}}}{t}\right)}^{3} \]
      3. cbrt-prod80.0%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}{\sqrt[3]{{k}^{2}}}}{t}\right)}^{3} \]
      4. pow280.0%

        \[\leadsto {\left(\frac{\frac{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}{\sqrt[3]{{k}^{2}}}}{t}\right)}^{3} \]
      5. unpow280.0%

        \[\leadsto {\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{\sqrt[3]{\color{blue}{k \cdot k}}}}{t}\right)}^{3} \]
      6. cbrt-prod94.2%

        \[\leadsto {\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{\color{blue}{\sqrt[3]{k} \cdot \sqrt[3]{k}}}}{t}\right)}^{3} \]
      7. pow294.2%

        \[\leadsto {\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{\color{blue}{{\left(\sqrt[3]{k}\right)}^{2}}}}{t}\right)}^{3} \]
    9. Applied egg-rr94.2%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 4.6 \cdot 10^{-106}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2} \cdot \cos k}{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}\\ \mathbf{elif}\;t \leq 5.6 \cdot 10^{+102}:\\ \;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}}}\\ \mathbf{else}:\\ \;\;\;\;{\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{{\left(\sqrt[3]{k}\right)}^{2}}}{t}\right)}^{3}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 81.4% accurate, 0.8× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ t_s \cdot \begin{array}{l} \mathbf{if}\;t_m \leq 5.5 \cdot 10^{-106}:\\ \;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(t_m \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}\\ \mathbf{elif}\;t_m \leq 5.6 \cdot 10^{+102}:\\ \;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t_m}\right)}^{2}\right)}}}\\ \mathbf{else}:\\ \;\;\;\;{\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{{\left(\sqrt[3]{k}\right)}^{2}}}{t_m}\right)}^{3}\\ \end{array} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= t_m 5.5e-106)
    (/
     2.0
     (/ (* (pow k 2.0) (* t_m (pow (sin k) 2.0))) (* (pow l 2.0) (cos k))))
    (if (<= t_m 5.6e+102)
      (/
       2.0
       (/
        (* (sin k) (/ (pow t_m 3.0) l))
        (/ l (* (tan k) (+ 2.0 (pow (/ k t_m) 2.0))))))
      (pow (/ (/ (pow (cbrt l) 2.0) (pow (cbrt k) 2.0)) t_m) 3.0)))))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 5.5e-106) {
		tmp = 2.0 / ((pow(k, 2.0) * (t_m * pow(sin(k), 2.0))) / (pow(l, 2.0) * cos(k)));
	} else if (t_m <= 5.6e+102) {
		tmp = 2.0 / ((sin(k) * (pow(t_m, 3.0) / l)) / (l / (tan(k) * (2.0 + pow((k / t_m), 2.0)))));
	} else {
		tmp = pow(((pow(cbrt(l), 2.0) / pow(cbrt(k), 2.0)) / t_m), 3.0);
	}
	return t_s * tmp;
}
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 5.5e-106) {
		tmp = 2.0 / ((Math.pow(k, 2.0) * (t_m * Math.pow(Math.sin(k), 2.0))) / (Math.pow(l, 2.0) * Math.cos(k)));
	} else if (t_m <= 5.6e+102) {
		tmp = 2.0 / ((Math.sin(k) * (Math.pow(t_m, 3.0) / l)) / (l / (Math.tan(k) * (2.0 + Math.pow((k / t_m), 2.0)))));
	} else {
		tmp = Math.pow(((Math.pow(Math.cbrt(l), 2.0) / Math.pow(Math.cbrt(k), 2.0)) / t_m), 3.0);
	}
	return t_s * tmp;
}
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	tmp = 0.0
	if (t_m <= 5.5e-106)
		tmp = Float64(2.0 / Float64(Float64((k ^ 2.0) * Float64(t_m * (sin(k) ^ 2.0))) / Float64((l ^ 2.0) * cos(k))));
	elseif (t_m <= 5.6e+102)
		tmp = Float64(2.0 / Float64(Float64(sin(k) * Float64((t_m ^ 3.0) / l)) / Float64(l / Float64(tan(k) * Float64(2.0 + (Float64(k / t_m) ^ 2.0))))));
	else
		tmp = Float64(Float64((cbrt(l) ^ 2.0) / (cbrt(k) ^ 2.0)) / t_m) ^ 3.0;
	end
	return Float64(t_s * tmp)
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := N[(t$95$s * If[LessEqual[t$95$m, 5.5e-106], N[(2.0 / N[(N[(N[Power[k, 2.0], $MachinePrecision] * N[(t$95$m * N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[Power[l, 2.0], $MachinePrecision] * N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$m, 5.6e+102], N[(2.0 / N[(N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t$95$m, 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / N[(l / N[(N[Tan[k], $MachinePrecision] * N[(2.0 + N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[Power[N[(N[(N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision] / N[Power[N[Power[k, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / t$95$m), $MachinePrecision], 3.0], $MachinePrecision]]]), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
t_s \cdot \begin{array}{l}
\mathbf{if}\;t_m \leq 5.5 \cdot 10^{-106}:\\
\;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(t_m \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}\\

\mathbf{elif}\;t_m \leq 5.6 \cdot 10^{+102}:\\
\;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t_m}\right)}^{2}\right)}}}\\

\mathbf{else}:\\
\;\;\;\;{\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{{\left(\sqrt[3]{k}\right)}^{2}}}{t_m}\right)}^{3}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < 5.5000000000000001e-106

    1. Initial program 49.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*49.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. sqr-neg49.3%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      3. sqr-neg49.3%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      4. associate-/r*54.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      5. distribute-rgt-in54.3%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k + 1 \cdot \tan k\right)}} \]
      6. unpow254.3%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      7. times-frac41.6%

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

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      9. times-frac54.3%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      10. unpow254.3%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{{\left(\frac{k}{-t}\right)}^{2}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      11. distribute-rgt-in54.3%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified54.3%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-cube-cbrt54.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k}\right) \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k}\right)} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      2. pow354.3%

        \[\leadsto \frac{2}{\color{blue}{{\left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k}\right)}^{3}} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      3. *-commutative54.3%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\color{blue}{\sin k \cdot \frac{\frac{{t}^{3}}{\ell}}{\ell}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      4. cbrt-prod54.2%

        \[\leadsto \frac{2}{{\color{blue}{\left(\sqrt[3]{\sin k} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)}}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      5. associate-/l/49.3%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \sqrt[3]{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      6. cbrt-div49.8%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell \cdot \ell}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      7. rem-cbrt-cube61.5%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \frac{\color{blue}{t}}{\sqrt[3]{\ell \cdot \ell}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      8. cbrt-unprod71.7%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \frac{t}{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      9. pow271.7%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\sin k} \cdot \frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
    6. Applied egg-rr71.7%

      \[\leadsto \frac{2}{\color{blue}{{\left(\sqrt[3]{\sin k} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
    7. Taylor expanded in k around inf 65.3%

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

    if 5.5000000000000001e-106 < t < 5.60000000000000037e102

    1. Initial program 71.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*71.3%

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

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

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      4. associate-/r*82.7%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      5. distribute-rgt-in82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k + 1 \cdot \tan k\right)}} \]
      6. unpow282.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      7. times-frac82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k \cdot k}{t \cdot t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      8. sqr-neg82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      9. times-frac82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      10. unpow282.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{{\left(\frac{k}{-t}\right)}^{2}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      11. distribute-rgt-in82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified82.7%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*l/82.6%

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

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \sin k}{\ell}} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
    7. Step-by-step derivation
      1. associate-*l/88.1%

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

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

      \[\leadsto \frac{2}{\color{blue}{\frac{\left(\sin k \cdot \frac{{t}^{3}}{\ell}\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    9. Step-by-step derivation
      1. associate-/l*88.1%

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

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

    if 5.60000000000000037e102 < t

    1. Initial program 68.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*68.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg68.5%

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

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

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*59.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+59.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow259.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac39.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg39.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac59.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow259.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified59.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 56.6%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    6. Step-by-step derivation
      1. add-cube-cbrt56.6%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \cdot \sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}\right) \cdot \sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}} \]
      2. pow356.6%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}\right)}^{3}} \]
      3. associate-/r*53.7%

        \[\leadsto {\left(\sqrt[3]{\color{blue}{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{3}}}}\right)}^{3} \]
      4. cbrt-div53.7%

        \[\leadsto {\color{blue}{\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{\sqrt[3]{{t}^{3}}}\right)}}^{3} \]
      5. rem-cbrt-cube71.4%

        \[\leadsto {\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{\color{blue}{t}}\right)}^{3} \]
    7. Applied egg-rr71.4%

      \[\leadsto \color{blue}{{\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{t}\right)}^{3}} \]
    8. Step-by-step derivation
      1. cbrt-div74.3%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\sqrt[3]{{\ell}^{2}}}{\sqrt[3]{{k}^{2}}}}}{t}\right)}^{3} \]
      2. unpow274.3%

        \[\leadsto {\left(\frac{\frac{\sqrt[3]{\color{blue}{\ell \cdot \ell}}}{\sqrt[3]{{k}^{2}}}}{t}\right)}^{3} \]
      3. cbrt-prod80.0%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}{\sqrt[3]{{k}^{2}}}}{t}\right)}^{3} \]
      4. pow280.0%

        \[\leadsto {\left(\frac{\frac{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}{\sqrt[3]{{k}^{2}}}}{t}\right)}^{3} \]
      5. unpow280.0%

        \[\leadsto {\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{\sqrt[3]{\color{blue}{k \cdot k}}}}{t}\right)}^{3} \]
      6. cbrt-prod94.2%

        \[\leadsto {\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{\color{blue}{\sqrt[3]{k} \cdot \sqrt[3]{k}}}}{t}\right)}^{3} \]
      7. pow294.2%

        \[\leadsto {\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{\color{blue}{{\left(\sqrt[3]{k}\right)}^{2}}}}{t}\right)}^{3} \]
    9. Applied egg-rr94.2%

      \[\leadsto {\left(\frac{\color{blue}{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{{\left(\sqrt[3]{k}\right)}^{2}}}}{t}\right)}^{3} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification72.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 5.5 \cdot 10^{-106}:\\ \;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{{\ell}^{2} \cdot \cos k}}\\ \mathbf{elif}\;t \leq 5.6 \cdot 10^{+102}:\\ \;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}}}\\ \mathbf{else}:\\ \;\;\;\;{\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{{\left(\sqrt[3]{k}\right)}^{2}}}{t}\right)}^{3}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 76.3% accurate, 0.8× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ t_s \cdot \begin{array}{l} \mathbf{if}\;t_m \leq 3.6 \cdot 10^{-106}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t_m \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}\\ \mathbf{elif}\;t_m \leq 5.6 \cdot 10^{+102}:\\ \;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t_m}\right)}^{2}\right)}}}\\ \mathbf{else}:\\ \;\;\;\;{\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{{\left(\sqrt[3]{k}\right)}^{2}}}{t_m}\right)}^{3}\\ \end{array} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= t_m 3.6e-106)
    (*
     2.0
     (/
      (pow l 2.0)
      (*
       (pow k 2.0)
       (* t_m (pow (+ k (* 0.08333333333333333 (pow k 3.0))) 2.0)))))
    (if (<= t_m 5.6e+102)
      (/
       2.0
       (/
        (* (sin k) (/ (pow t_m 3.0) l))
        (/ l (* (tan k) (+ 2.0 (pow (/ k t_m) 2.0))))))
      (pow (/ (/ (pow (cbrt l) 2.0) (pow (cbrt k) 2.0)) t_m) 3.0)))))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 3.6e-106) {
		tmp = 2.0 * (pow(l, 2.0) / (pow(k, 2.0) * (t_m * pow((k + (0.08333333333333333 * pow(k, 3.0))), 2.0))));
	} else if (t_m <= 5.6e+102) {
		tmp = 2.0 / ((sin(k) * (pow(t_m, 3.0) / l)) / (l / (tan(k) * (2.0 + pow((k / t_m), 2.0)))));
	} else {
		tmp = pow(((pow(cbrt(l), 2.0) / pow(cbrt(k), 2.0)) / t_m), 3.0);
	}
	return t_s * tmp;
}
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 3.6e-106) {
		tmp = 2.0 * (Math.pow(l, 2.0) / (Math.pow(k, 2.0) * (t_m * Math.pow((k + (0.08333333333333333 * Math.pow(k, 3.0))), 2.0))));
	} else if (t_m <= 5.6e+102) {
		tmp = 2.0 / ((Math.sin(k) * (Math.pow(t_m, 3.0) / l)) / (l / (Math.tan(k) * (2.0 + Math.pow((k / t_m), 2.0)))));
	} else {
		tmp = Math.pow(((Math.pow(Math.cbrt(l), 2.0) / Math.pow(Math.cbrt(k), 2.0)) / t_m), 3.0);
	}
	return t_s * tmp;
}
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	tmp = 0.0
	if (t_m <= 3.6e-106)
		tmp = Float64(2.0 * Float64((l ^ 2.0) / Float64((k ^ 2.0) * Float64(t_m * (Float64(k + Float64(0.08333333333333333 * (k ^ 3.0))) ^ 2.0)))));
	elseif (t_m <= 5.6e+102)
		tmp = Float64(2.0 / Float64(Float64(sin(k) * Float64((t_m ^ 3.0) / l)) / Float64(l / Float64(tan(k) * Float64(2.0 + (Float64(k / t_m) ^ 2.0))))));
	else
		tmp = Float64(Float64((cbrt(l) ^ 2.0) / (cbrt(k) ^ 2.0)) / t_m) ^ 3.0;
	end
	return Float64(t_s * tmp)
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := N[(t$95$s * If[LessEqual[t$95$m, 3.6e-106], N[(2.0 * N[(N[Power[l, 2.0], $MachinePrecision] / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t$95$m * N[Power[N[(k + N[(0.08333333333333333 * N[Power[k, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$m, 5.6e+102], N[(2.0 / N[(N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t$95$m, 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / N[(l / N[(N[Tan[k], $MachinePrecision] * N[(2.0 + N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[Power[N[(N[(N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision] / N[Power[N[Power[k, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / t$95$m), $MachinePrecision], 3.0], $MachinePrecision]]]), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
t_s \cdot \begin{array}{l}
\mathbf{if}\;t_m \leq 3.6 \cdot 10^{-106}:\\
\;\;\;\;2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t_m \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}\\

\mathbf{elif}\;t_m \leq 5.6 \cdot 10^{+102}:\\
\;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t_m}\right)}^{2}\right)}}}\\

\mathbf{else}:\\
\;\;\;\;{\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{{\left(\sqrt[3]{k}\right)}^{2}}}{t_m}\right)}^{3}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < 3.60000000000000013e-106

    1. Initial program 49.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*49.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg49.7%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*46.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg46.9%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*51.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+51.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow251.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac39.2%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg39.2%

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

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow251.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified51.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt13.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow213.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. sqrt-prod4.3%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/3.8%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. sqrt-div3.8%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. sqrt-pow15.3%

        \[\leadsto \frac{\frac{2}{{\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. metadata-eval5.3%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. sqrt-unprod2.1%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. add-sqr-sqrt5.8%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr5.8%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Taylor expanded in k around 0 6.4%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. *-commutative6.4%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \left(k + \color{blue}{{k}^{3} \cdot 0.08333333333333333}\right)\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Simplified6.4%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + {k}^{3} \cdot 0.08333333333333333\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in t around 0 54.9%

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}} \]

    if 3.60000000000000013e-106 < t < 5.60000000000000037e102

    1. Initial program 71.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*71.3%

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

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

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      4. associate-/r*82.7%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      5. distribute-rgt-in82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k + 1 \cdot \tan k\right)}} \]
      6. unpow282.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      7. times-frac82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k \cdot k}{t \cdot t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      8. sqr-neg82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      9. times-frac82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      10. unpow282.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{{\left(\frac{k}{-t}\right)}^{2}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      11. distribute-rgt-in82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified82.7%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*l/82.6%

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

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \sin k}{\ell}} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
    7. Step-by-step derivation
      1. associate-*l/88.1%

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

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

      \[\leadsto \frac{2}{\color{blue}{\frac{\left(\sin k \cdot \frac{{t}^{3}}{\ell}\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    9. Step-by-step derivation
      1. associate-/l*88.1%

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

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

    if 5.60000000000000037e102 < t

    1. Initial program 68.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*68.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg68.5%

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

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

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*59.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+59.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow259.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac39.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg39.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac59.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow259.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified59.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 56.6%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    6. Step-by-step derivation
      1. add-cube-cbrt56.6%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \cdot \sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}\right) \cdot \sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}} \]
      2. pow356.6%

        \[\leadsto \color{blue}{{\left(\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}\right)}^{3}} \]
      3. associate-/r*53.7%

        \[\leadsto {\left(\sqrt[3]{\color{blue}{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{3}}}}\right)}^{3} \]
      4. cbrt-div53.7%

        \[\leadsto {\color{blue}{\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{\sqrt[3]{{t}^{3}}}\right)}}^{3} \]
      5. rem-cbrt-cube71.4%

        \[\leadsto {\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{\color{blue}{t}}\right)}^{3} \]
    7. Applied egg-rr71.4%

      \[\leadsto \color{blue}{{\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{t}\right)}^{3}} \]
    8. Step-by-step derivation
      1. cbrt-div74.3%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\sqrt[3]{{\ell}^{2}}}{\sqrt[3]{{k}^{2}}}}}{t}\right)}^{3} \]
      2. unpow274.3%

        \[\leadsto {\left(\frac{\frac{\sqrt[3]{\color{blue}{\ell \cdot \ell}}}{\sqrt[3]{{k}^{2}}}}{t}\right)}^{3} \]
      3. cbrt-prod80.0%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}{\sqrt[3]{{k}^{2}}}}{t}\right)}^{3} \]
      4. pow280.0%

        \[\leadsto {\left(\frac{\frac{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}{\sqrt[3]{{k}^{2}}}}{t}\right)}^{3} \]
      5. unpow280.0%

        \[\leadsto {\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{\sqrt[3]{\color{blue}{k \cdot k}}}}{t}\right)}^{3} \]
      6. cbrt-prod94.2%

        \[\leadsto {\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{\color{blue}{\sqrt[3]{k} \cdot \sqrt[3]{k}}}}{t}\right)}^{3} \]
      7. pow294.2%

        \[\leadsto {\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{\color{blue}{{\left(\sqrt[3]{k}\right)}^{2}}}}{t}\right)}^{3} \]
    9. Applied egg-rr94.2%

      \[\leadsto {\left(\frac{\color{blue}{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{{\left(\sqrt[3]{k}\right)}^{2}}}}{t}\right)}^{3} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification64.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 3.6 \cdot 10^{-106}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}\\ \mathbf{elif}\;t \leq 5.6 \cdot 10^{+102}:\\ \;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}}}\\ \mathbf{else}:\\ \;\;\;\;{\left(\frac{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{{\left(\sqrt[3]{k}\right)}^{2}}}{t}\right)}^{3}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 72.8% accurate, 1.0× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ t_s \cdot \begin{array}{l} \mathbf{if}\;t_m \leq 4.5 \cdot 10^{-106}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t_m \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}\\ \mathbf{elif}\;t_m \leq 5.5 \cdot 10^{+102}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(2 + {\left(\frac{k}{t_m}\right)}^{2}\right)\right) \cdot \frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;{\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}\\ \end{array} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= t_m 4.5e-106)
    (*
     2.0
     (/
      (pow l 2.0)
      (*
       (pow k 2.0)
       (* t_m (pow (+ k (* 0.08333333333333333 (pow k 3.0))) 2.0)))))
    (if (<= t_m 5.5e+102)
      (/
       2.0
       (*
        (* (tan k) (+ 2.0 (pow (/ k t_m) 2.0)))
        (/ (* (sin k) (/ (pow t_m 3.0) l)) l)))
      (pow (/ l (* k (pow t_m 1.5))) 2.0)))))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 4.5e-106) {
		tmp = 2.0 * (pow(l, 2.0) / (pow(k, 2.0) * (t_m * pow((k + (0.08333333333333333 * pow(k, 3.0))), 2.0))));
	} else if (t_m <= 5.5e+102) {
		tmp = 2.0 / ((tan(k) * (2.0 + pow((k / t_m), 2.0))) * ((sin(k) * (pow(t_m, 3.0) / l)) / l));
	} else {
		tmp = pow((l / (k * pow(t_m, 1.5))), 2.0);
	}
	return t_s * tmp;
}
t_m = abs(t)
t_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (t_m <= 4.5d-106) then
        tmp = 2.0d0 * ((l ** 2.0d0) / ((k ** 2.0d0) * (t_m * ((k + (0.08333333333333333d0 * (k ** 3.0d0))) ** 2.0d0))))
    else if (t_m <= 5.5d+102) then
        tmp = 2.0d0 / ((tan(k) * (2.0d0 + ((k / t_m) ** 2.0d0))) * ((sin(k) * ((t_m ** 3.0d0) / l)) / l))
    else
        tmp = (l / (k * (t_m ** 1.5d0))) ** 2.0d0
    end if
    code = t_s * tmp
end function
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 4.5e-106) {
		tmp = 2.0 * (Math.pow(l, 2.0) / (Math.pow(k, 2.0) * (t_m * Math.pow((k + (0.08333333333333333 * Math.pow(k, 3.0))), 2.0))));
	} else if (t_m <= 5.5e+102) {
		tmp = 2.0 / ((Math.tan(k) * (2.0 + Math.pow((k / t_m), 2.0))) * ((Math.sin(k) * (Math.pow(t_m, 3.0) / l)) / l));
	} else {
		tmp = Math.pow((l / (k * Math.pow(t_m, 1.5))), 2.0);
	}
	return t_s * tmp;
}
t_m = math.fabs(t)
t_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k):
	tmp = 0
	if t_m <= 4.5e-106:
		tmp = 2.0 * (math.pow(l, 2.0) / (math.pow(k, 2.0) * (t_m * math.pow((k + (0.08333333333333333 * math.pow(k, 3.0))), 2.0))))
	elif t_m <= 5.5e+102:
		tmp = 2.0 / ((math.tan(k) * (2.0 + math.pow((k / t_m), 2.0))) * ((math.sin(k) * (math.pow(t_m, 3.0) / l)) / l))
	else:
		tmp = math.pow((l / (k * math.pow(t_m, 1.5))), 2.0)
	return t_s * tmp
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	tmp = 0.0
	if (t_m <= 4.5e-106)
		tmp = Float64(2.0 * Float64((l ^ 2.0) / Float64((k ^ 2.0) * Float64(t_m * (Float64(k + Float64(0.08333333333333333 * (k ^ 3.0))) ^ 2.0)))));
	elseif (t_m <= 5.5e+102)
		tmp = Float64(2.0 / Float64(Float64(tan(k) * Float64(2.0 + (Float64(k / t_m) ^ 2.0))) * Float64(Float64(sin(k) * Float64((t_m ^ 3.0) / l)) / l)));
	else
		tmp = Float64(l / Float64(k * (t_m ^ 1.5))) ^ 2.0;
	end
	return Float64(t_s * tmp)
end
t_m = abs(t);
t_s = sign(t) * abs(1.0);
function tmp_2 = code(t_s, t_m, l, k)
	tmp = 0.0;
	if (t_m <= 4.5e-106)
		tmp = 2.0 * ((l ^ 2.0) / ((k ^ 2.0) * (t_m * ((k + (0.08333333333333333 * (k ^ 3.0))) ^ 2.0))));
	elseif (t_m <= 5.5e+102)
		tmp = 2.0 / ((tan(k) * (2.0 + ((k / t_m) ^ 2.0))) * ((sin(k) * ((t_m ^ 3.0) / l)) / l));
	else
		tmp = (l / (k * (t_m ^ 1.5))) ^ 2.0;
	end
	tmp_2 = t_s * tmp;
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := N[(t$95$s * If[LessEqual[t$95$m, 4.5e-106], N[(2.0 * N[(N[Power[l, 2.0], $MachinePrecision] / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t$95$m * N[Power[N[(k + N[(0.08333333333333333 * N[Power[k, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$m, 5.5e+102], N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(2.0 + N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t$95$m, 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[Power[N[(l / N[(k * N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]]]), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
t_s \cdot \begin{array}{l}
\mathbf{if}\;t_m \leq 4.5 \cdot 10^{-106}:\\
\;\;\;\;2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t_m \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}\\

\mathbf{elif}\;t_m \leq 5.5 \cdot 10^{+102}:\\
\;\;\;\;\frac{2}{\left(\tan k \cdot \left(2 + {\left(\frac{k}{t_m}\right)}^{2}\right)\right) \cdot \frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\ell}}\\

\mathbf{else}:\\
\;\;\;\;{\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < 4.49999999999999955e-106

    1. Initial program 49.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*49.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg49.7%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*46.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg46.9%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*51.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+51.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow251.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac39.2%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg39.2%

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

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow251.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified51.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt13.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow213.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. sqrt-prod4.3%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/3.8%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. sqrt-div3.8%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. sqrt-pow15.3%

        \[\leadsto \frac{\frac{2}{{\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. metadata-eval5.3%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. sqrt-unprod2.1%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. add-sqr-sqrt5.8%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr5.8%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Taylor expanded in k around 0 6.4%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. *-commutative6.4%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \left(k + \color{blue}{{k}^{3} \cdot 0.08333333333333333}\right)\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Simplified6.4%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + {k}^{3} \cdot 0.08333333333333333\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in t around 0 54.9%

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}} \]

    if 4.49999999999999955e-106 < t < 5.49999999999999981e102

    1. Initial program 71.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*71.3%

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

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

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      4. associate-/r*82.7%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      5. distribute-rgt-in82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k + 1 \cdot \tan k\right)}} \]
      6. unpow282.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      7. times-frac82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k \cdot k}{t \cdot t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      8. sqr-neg82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      9. times-frac82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      10. unpow282.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{{\left(\frac{k}{-t}\right)}^{2}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      11. distribute-rgt-in82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified82.7%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*l/82.6%

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

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

    if 5.49999999999999981e102 < t

    1. Initial program 68.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*68.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg68.5%

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

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

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*59.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+59.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow259.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac39.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg39.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac59.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow259.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified59.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 56.6%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    6. Step-by-step derivation
      1. unpow256.6%

        \[\leadsto \frac{{\ell}^{2}}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
    7. Applied egg-rr56.6%

      \[\leadsto \frac{{\ell}^{2}}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
    8. Step-by-step derivation
      1. expm1-log1p-u56.6%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}\right)\right)} \]
      2. expm1-udef56.6%

        \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}\right)} - 1} \]
      3. add-sqr-sqrt56.6%

        \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{\sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}} \cdot \sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}}}\right)} - 1 \]
      4. pow256.6%

        \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{{\left(\sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}}\right)} - 1 \]
      5. sqrt-div56.6%

        \[\leadsto e^{\mathsf{log1p}\left({\color{blue}{\left(\frac{\sqrt{{\ell}^{2}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}}^{2}\right)} - 1 \]
      6. unpow256.6%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\sqrt{\color{blue}{\ell \cdot \ell}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
      7. sqrt-prod41.9%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
      8. add-sqr-sqrt59.7%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\color{blue}{\ell}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
      9. sqrt-prod59.7%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{\sqrt{k \cdot k} \cdot \sqrt{{t}^{3}}}}\right)}^{2}\right)} - 1 \]
      10. sqrt-prod41.8%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{\left(\sqrt{k} \cdot \sqrt{k}\right)} \cdot \sqrt{{t}^{3}}}\right)}^{2}\right)} - 1 \]
      11. add-sqr-sqrt71.9%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{k} \cdot \sqrt{{t}^{3}}}\right)}^{2}\right)} - 1 \]
      12. sqrt-pow180.6%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot \color{blue}{{t}^{\left(\frac{3}{2}\right)}}}\right)}^{2}\right)} - 1 \]
      13. metadata-eval80.6%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{\color{blue}{1.5}}}\right)}^{2}\right)} - 1 \]
    9. Applied egg-rr80.6%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\right)} - 1} \]
    10. Step-by-step derivation
      1. expm1-def86.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\right)\right)} \]
      2. expm1-log1p86.0%

        \[\leadsto \color{blue}{{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}} \]
    11. Simplified86.0%

      \[\leadsto \color{blue}{{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification62.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 4.5 \cdot 10^{-106}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}\\ \mathbf{elif}\;t \leq 5.5 \cdot 10^{+102}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot \frac{\sin k \cdot \frac{{t}^{3}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 73.5% accurate, 1.0× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ t_s \cdot \begin{array}{l} \mathbf{if}\;t_m \leq 3.8 \cdot 10^{-106}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t_m \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}\\ \mathbf{elif}\;t_m \leq 5.5 \cdot 10^{+102}:\\ \;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t_m}\right)}^{2}\right)}}}\\ \mathbf{else}:\\ \;\;\;\;{\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}\\ \end{array} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= t_m 3.8e-106)
    (*
     2.0
     (/
      (pow l 2.0)
      (*
       (pow k 2.0)
       (* t_m (pow (+ k (* 0.08333333333333333 (pow k 3.0))) 2.0)))))
    (if (<= t_m 5.5e+102)
      (/
       2.0
       (/
        (* (sin k) (/ (pow t_m 3.0) l))
        (/ l (* (tan k) (+ 2.0 (pow (/ k t_m) 2.0))))))
      (pow (/ l (* k (pow t_m 1.5))) 2.0)))))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 3.8e-106) {
		tmp = 2.0 * (pow(l, 2.0) / (pow(k, 2.0) * (t_m * pow((k + (0.08333333333333333 * pow(k, 3.0))), 2.0))));
	} else if (t_m <= 5.5e+102) {
		tmp = 2.0 / ((sin(k) * (pow(t_m, 3.0) / l)) / (l / (tan(k) * (2.0 + pow((k / t_m), 2.0)))));
	} else {
		tmp = pow((l / (k * pow(t_m, 1.5))), 2.0);
	}
	return t_s * tmp;
}
t_m = abs(t)
t_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (t_m <= 3.8d-106) then
        tmp = 2.0d0 * ((l ** 2.0d0) / ((k ** 2.0d0) * (t_m * ((k + (0.08333333333333333d0 * (k ** 3.0d0))) ** 2.0d0))))
    else if (t_m <= 5.5d+102) then
        tmp = 2.0d0 / ((sin(k) * ((t_m ** 3.0d0) / l)) / (l / (tan(k) * (2.0d0 + ((k / t_m) ** 2.0d0)))))
    else
        tmp = (l / (k * (t_m ** 1.5d0))) ** 2.0d0
    end if
    code = t_s * tmp
end function
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 3.8e-106) {
		tmp = 2.0 * (Math.pow(l, 2.0) / (Math.pow(k, 2.0) * (t_m * Math.pow((k + (0.08333333333333333 * Math.pow(k, 3.0))), 2.0))));
	} else if (t_m <= 5.5e+102) {
		tmp = 2.0 / ((Math.sin(k) * (Math.pow(t_m, 3.0) / l)) / (l / (Math.tan(k) * (2.0 + Math.pow((k / t_m), 2.0)))));
	} else {
		tmp = Math.pow((l / (k * Math.pow(t_m, 1.5))), 2.0);
	}
	return t_s * tmp;
}
t_m = math.fabs(t)
t_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k):
	tmp = 0
	if t_m <= 3.8e-106:
		tmp = 2.0 * (math.pow(l, 2.0) / (math.pow(k, 2.0) * (t_m * math.pow((k + (0.08333333333333333 * math.pow(k, 3.0))), 2.0))))
	elif t_m <= 5.5e+102:
		tmp = 2.0 / ((math.sin(k) * (math.pow(t_m, 3.0) / l)) / (l / (math.tan(k) * (2.0 + math.pow((k / t_m), 2.0)))))
	else:
		tmp = math.pow((l / (k * math.pow(t_m, 1.5))), 2.0)
	return t_s * tmp
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	tmp = 0.0
	if (t_m <= 3.8e-106)
		tmp = Float64(2.0 * Float64((l ^ 2.0) / Float64((k ^ 2.0) * Float64(t_m * (Float64(k + Float64(0.08333333333333333 * (k ^ 3.0))) ^ 2.0)))));
	elseif (t_m <= 5.5e+102)
		tmp = Float64(2.0 / Float64(Float64(sin(k) * Float64((t_m ^ 3.0) / l)) / Float64(l / Float64(tan(k) * Float64(2.0 + (Float64(k / t_m) ^ 2.0))))));
	else
		tmp = Float64(l / Float64(k * (t_m ^ 1.5))) ^ 2.0;
	end
	return Float64(t_s * tmp)
end
t_m = abs(t);
t_s = sign(t) * abs(1.0);
function tmp_2 = code(t_s, t_m, l, k)
	tmp = 0.0;
	if (t_m <= 3.8e-106)
		tmp = 2.0 * ((l ^ 2.0) / ((k ^ 2.0) * (t_m * ((k + (0.08333333333333333 * (k ^ 3.0))) ^ 2.0))));
	elseif (t_m <= 5.5e+102)
		tmp = 2.0 / ((sin(k) * ((t_m ^ 3.0) / l)) / (l / (tan(k) * (2.0 + ((k / t_m) ^ 2.0)))));
	else
		tmp = (l / (k * (t_m ^ 1.5))) ^ 2.0;
	end
	tmp_2 = t_s * tmp;
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := N[(t$95$s * If[LessEqual[t$95$m, 3.8e-106], N[(2.0 * N[(N[Power[l, 2.0], $MachinePrecision] / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t$95$m * N[Power[N[(k + N[(0.08333333333333333 * N[Power[k, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$m, 5.5e+102], N[(2.0 / N[(N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t$95$m, 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / N[(l / N[(N[Tan[k], $MachinePrecision] * N[(2.0 + N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[Power[N[(l / N[(k * N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]]]), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
t_s \cdot \begin{array}{l}
\mathbf{if}\;t_m \leq 3.8 \cdot 10^{-106}:\\
\;\;\;\;2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t_m \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}\\

\mathbf{elif}\;t_m \leq 5.5 \cdot 10^{+102}:\\
\;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t_m}\right)}^{2}\right)}}}\\

\mathbf{else}:\\
\;\;\;\;{\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < 3.7999999999999999e-106

    1. Initial program 49.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*49.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg49.7%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*46.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg46.9%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*51.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+51.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow251.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac39.2%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg39.2%

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

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow251.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified51.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt13.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow213.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. sqrt-prod4.3%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/3.8%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. sqrt-div3.8%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. sqrt-pow15.3%

        \[\leadsto \frac{\frac{2}{{\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. metadata-eval5.3%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. sqrt-unprod2.1%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. add-sqr-sqrt5.8%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr5.8%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Taylor expanded in k around 0 6.4%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. *-commutative6.4%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \left(k + \color{blue}{{k}^{3} \cdot 0.08333333333333333}\right)\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Simplified6.4%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + {k}^{3} \cdot 0.08333333333333333\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in t around 0 54.9%

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}} \]

    if 3.7999999999999999e-106 < t < 5.49999999999999981e102

    1. Initial program 71.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*71.3%

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

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

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      4. associate-/r*82.7%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      5. distribute-rgt-in82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k + 1 \cdot \tan k\right)}} \]
      6. unpow282.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      7. times-frac82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k \cdot k}{t \cdot t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      8. sqr-neg82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      9. times-frac82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      10. unpow282.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{{\left(\frac{k}{-t}\right)}^{2}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      11. distribute-rgt-in82.7%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified82.7%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*l/82.6%

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

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \sin k}{\ell}} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
    7. Step-by-step derivation
      1. associate-*l/88.1%

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

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

      \[\leadsto \frac{2}{\color{blue}{\frac{\left(\sin k \cdot \frac{{t}^{3}}{\ell}\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    9. Step-by-step derivation
      1. associate-/l*88.1%

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

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

    if 5.49999999999999981e102 < t

    1. Initial program 68.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*68.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg68.5%

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

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

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*59.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+59.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow259.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac39.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg39.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac59.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow259.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified59.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 56.6%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    6. Step-by-step derivation
      1. unpow256.6%

        \[\leadsto \frac{{\ell}^{2}}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
    7. Applied egg-rr56.6%

      \[\leadsto \frac{{\ell}^{2}}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
    8. Step-by-step derivation
      1. expm1-log1p-u56.6%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}\right)\right)} \]
      2. expm1-udef56.6%

        \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}\right)} - 1} \]
      3. add-sqr-sqrt56.6%

        \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{\sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}} \cdot \sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}}}\right)} - 1 \]
      4. pow256.6%

        \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{{\left(\sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}}\right)} - 1 \]
      5. sqrt-div56.6%

        \[\leadsto e^{\mathsf{log1p}\left({\color{blue}{\left(\frac{\sqrt{{\ell}^{2}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}}^{2}\right)} - 1 \]
      6. unpow256.6%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\sqrt{\color{blue}{\ell \cdot \ell}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
      7. sqrt-prod41.9%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
      8. add-sqr-sqrt59.7%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\color{blue}{\ell}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
      9. sqrt-prod59.7%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{\sqrt{k \cdot k} \cdot \sqrt{{t}^{3}}}}\right)}^{2}\right)} - 1 \]
      10. sqrt-prod41.8%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{\left(\sqrt{k} \cdot \sqrt{k}\right)} \cdot \sqrt{{t}^{3}}}\right)}^{2}\right)} - 1 \]
      11. add-sqr-sqrt71.9%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{k} \cdot \sqrt{{t}^{3}}}\right)}^{2}\right)} - 1 \]
      12. sqrt-pow180.6%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot \color{blue}{{t}^{\left(\frac{3}{2}\right)}}}\right)}^{2}\right)} - 1 \]
      13. metadata-eval80.6%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{\color{blue}{1.5}}}\right)}^{2}\right)} - 1 \]
    9. Applied egg-rr80.6%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\right)} - 1} \]
    10. Step-by-step derivation
      1. expm1-def86.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\right)\right)} \]
      2. expm1-log1p86.0%

        \[\leadsto \color{blue}{{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}} \]
    11. Simplified86.0%

      \[\leadsto \color{blue}{{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification63.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 3.8 \cdot 10^{-106}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}\\ \mathbf{elif}\;t \leq 5.5 \cdot 10^{+102}:\\ \;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t}^{3}}{\ell}}{\frac{\ell}{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}}}\\ \mathbf{else}:\\ \;\;\;\;{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 69.0% accurate, 1.0× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ t_s \cdot \begin{array}{l} \mathbf{if}\;k \leq 5.1 \cdot 10^{-5}:\\ \;\;\;\;\frac{2 \cdot {\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}}{2 + {\left(\frac{k}{t_m}\right)}^{2}}\\ \mathbf{elif}\;k \leq 2.2 \cdot 10^{+48}:\\ \;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\ell} \cdot \left(2 \cdot \frac{\sin k}{\cos k}\right)}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t_m \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}\\ \end{array} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= k 5.1e-5)
    (/ (* 2.0 (pow (/ l (* k (pow t_m 1.5))) 2.0)) (+ 2.0 (pow (/ k t_m) 2.0)))
    (if (<= k 2.2e+48)
      (/
       2.0
       (* (/ (* (sin k) (/ (pow t_m 3.0) l)) l) (* 2.0 (/ (sin k) (cos k)))))
      (*
       2.0
       (/
        (pow l 2.0)
        (*
         (pow k 2.0)
         (* t_m (pow (+ k (* 0.08333333333333333 (pow k 3.0))) 2.0)))))))))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (k <= 5.1e-5) {
		tmp = (2.0 * pow((l / (k * pow(t_m, 1.5))), 2.0)) / (2.0 + pow((k / t_m), 2.0));
	} else if (k <= 2.2e+48) {
		tmp = 2.0 / (((sin(k) * (pow(t_m, 3.0) / l)) / l) * (2.0 * (sin(k) / cos(k))));
	} else {
		tmp = 2.0 * (pow(l, 2.0) / (pow(k, 2.0) * (t_m * pow((k + (0.08333333333333333 * pow(k, 3.0))), 2.0))));
	}
	return t_s * tmp;
}
t_m = abs(t)
t_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (k <= 5.1d-5) then
        tmp = (2.0d0 * ((l / (k * (t_m ** 1.5d0))) ** 2.0d0)) / (2.0d0 + ((k / t_m) ** 2.0d0))
    else if (k <= 2.2d+48) then
        tmp = 2.0d0 / (((sin(k) * ((t_m ** 3.0d0) / l)) / l) * (2.0d0 * (sin(k) / cos(k))))
    else
        tmp = 2.0d0 * ((l ** 2.0d0) / ((k ** 2.0d0) * (t_m * ((k + (0.08333333333333333d0 * (k ** 3.0d0))) ** 2.0d0))))
    end if
    code = t_s * tmp
end function
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (k <= 5.1e-5) {
		tmp = (2.0 * Math.pow((l / (k * Math.pow(t_m, 1.5))), 2.0)) / (2.0 + Math.pow((k / t_m), 2.0));
	} else if (k <= 2.2e+48) {
		tmp = 2.0 / (((Math.sin(k) * (Math.pow(t_m, 3.0) / l)) / l) * (2.0 * (Math.sin(k) / Math.cos(k))));
	} else {
		tmp = 2.0 * (Math.pow(l, 2.0) / (Math.pow(k, 2.0) * (t_m * Math.pow((k + (0.08333333333333333 * Math.pow(k, 3.0))), 2.0))));
	}
	return t_s * tmp;
}
t_m = math.fabs(t)
t_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k):
	tmp = 0
	if k <= 5.1e-5:
		tmp = (2.0 * math.pow((l / (k * math.pow(t_m, 1.5))), 2.0)) / (2.0 + math.pow((k / t_m), 2.0))
	elif k <= 2.2e+48:
		tmp = 2.0 / (((math.sin(k) * (math.pow(t_m, 3.0) / l)) / l) * (2.0 * (math.sin(k) / math.cos(k))))
	else:
		tmp = 2.0 * (math.pow(l, 2.0) / (math.pow(k, 2.0) * (t_m * math.pow((k + (0.08333333333333333 * math.pow(k, 3.0))), 2.0))))
	return t_s * tmp
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	tmp = 0.0
	if (k <= 5.1e-5)
		tmp = Float64(Float64(2.0 * (Float64(l / Float64(k * (t_m ^ 1.5))) ^ 2.0)) / Float64(2.0 + (Float64(k / t_m) ^ 2.0)));
	elseif (k <= 2.2e+48)
		tmp = Float64(2.0 / Float64(Float64(Float64(sin(k) * Float64((t_m ^ 3.0) / l)) / l) * Float64(2.0 * Float64(sin(k) / cos(k)))));
	else
		tmp = Float64(2.0 * Float64((l ^ 2.0) / Float64((k ^ 2.0) * Float64(t_m * (Float64(k + Float64(0.08333333333333333 * (k ^ 3.0))) ^ 2.0)))));
	end
	return Float64(t_s * tmp)
end
t_m = abs(t);
t_s = sign(t) * abs(1.0);
function tmp_2 = code(t_s, t_m, l, k)
	tmp = 0.0;
	if (k <= 5.1e-5)
		tmp = (2.0 * ((l / (k * (t_m ^ 1.5))) ^ 2.0)) / (2.0 + ((k / t_m) ^ 2.0));
	elseif (k <= 2.2e+48)
		tmp = 2.0 / (((sin(k) * ((t_m ^ 3.0) / l)) / l) * (2.0 * (sin(k) / cos(k))));
	else
		tmp = 2.0 * ((l ^ 2.0) / ((k ^ 2.0) * (t_m * ((k + (0.08333333333333333 * (k ^ 3.0))) ^ 2.0))));
	end
	tmp_2 = t_s * tmp;
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := N[(t$95$s * If[LessEqual[k, 5.1e-5], N[(N[(2.0 * N[Power[N[(l / N[(k * N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[k, 2.2e+48], N[(2.0 / N[(N[(N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t$95$m, 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision] * N[(2.0 * N[(N[Sin[k], $MachinePrecision] / N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[Power[l, 2.0], $MachinePrecision] / N[(N[Power[k, 2.0], $MachinePrecision] * N[(t$95$m * N[Power[N[(k + N[(0.08333333333333333 * N[Power[k, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
t_s \cdot \begin{array}{l}
\mathbf{if}\;k \leq 5.1 \cdot 10^{-5}:\\
\;\;\;\;\frac{2 \cdot {\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}}{2 + {\left(\frac{k}{t_m}\right)}^{2}}\\

\mathbf{elif}\;k \leq 2.2 \cdot 10^{+48}:\\
\;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t_m}^{3}}{\ell}}{\ell} \cdot \left(2 \cdot \frac{\sin k}{\cos k}\right)}\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t_m \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if k < 5.09999999999999996e-5

    1. Initial program 58.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*59.2%

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

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*53.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg53.9%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*59.1%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+59.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow259.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac49.2%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg49.2%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac59.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow259.1%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt24.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow224.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. sqrt-prod19.8%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/17.8%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. sqrt-div17.8%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. sqrt-pow121.4%

        \[\leadsto \frac{\frac{2}{{\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. metadata-eval21.4%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. sqrt-unprod12.5%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. add-sqr-sqrt23.4%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr23.4%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Taylor expanded in k around 0 28.2%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. *-commutative28.2%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \left(k + \color{blue}{{k}^{3} \cdot 0.08333333333333333}\right)\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Simplified28.2%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + {k}^{3} \cdot 0.08333333333333333\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around 0 52.3%

      \[\leadsto \frac{\color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Step-by-step derivation
      1. associate-/r*50.9%

        \[\leadsto \frac{2 \cdot \color{blue}{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{3}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval50.9%

        \[\leadsto \frac{2 \cdot \frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{\color{blue}{\left(2 \cdot 1.5\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. pow-sqr19.5%

        \[\leadsto \frac{2 \cdot \frac{\frac{{\ell}^{2}}{{k}^{2}}}{\color{blue}{{t}^{1.5} \cdot {t}^{1.5}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r*23.1%

        \[\leadsto \frac{2 \cdot \color{blue}{\frac{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{1.5}}}{{t}^{1.5}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. unpow223.1%

        \[\leadsto \frac{2 \cdot \frac{\frac{\frac{\color{blue}{\ell \cdot \ell}}{{k}^{2}}}{{t}^{1.5}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. unpow223.1%

        \[\leadsto \frac{2 \cdot \frac{\frac{\frac{\ell \cdot \ell}{\color{blue}{k \cdot k}}}{{t}^{1.5}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. times-frac26.1%

        \[\leadsto \frac{2 \cdot \frac{\frac{\color{blue}{\frac{\ell}{k} \cdot \frac{\ell}{k}}}{{t}^{1.5}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. associate-*l/28.3%

        \[\leadsto \frac{2 \cdot \frac{\color{blue}{\frac{\frac{\ell}{k}}{{t}^{1.5}} \cdot \frac{\ell}{k}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. associate-*r/28.7%

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\frac{\frac{\ell}{k}}{{t}^{1.5}} \cdot \frac{\frac{\ell}{k}}{{t}^{1.5}}\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      10. unpow228.7%

        \[\leadsto \frac{2 \cdot \color{blue}{{\left(\frac{\frac{\ell}{k}}{{t}^{1.5}}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      11. associate-/r*28.8%

        \[\leadsto \frac{2 \cdot {\color{blue}{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}}^{2}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Simplified28.8%

      \[\leadsto \frac{\color{blue}{2 \cdot {\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]

    if 5.09999999999999996e-5 < k < 2.1999999999999999e48

    1. Initial program 39.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*39.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. sqr-neg39.8%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      3. sqr-neg39.8%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      4. associate-/r*39.8%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)} \]
      5. distribute-rgt-in39.8%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k + 1 \cdot \tan k\right)}} \]
      6. unpow239.8%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{t} \cdot \frac{k}{t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      7. times-frac39.8%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k \cdot k}{t \cdot t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      8. sqr-neg39.8%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      9. times-frac39.8%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      10. unpow239.8%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\left(1 + \color{blue}{{\left(\frac{k}{-t}\right)}^{2}}\right) \cdot \tan k + 1 \cdot \tan k\right)} \]
      11. distribute-rgt-in39.8%

        \[\leadsto \frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \color{blue}{\left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{-t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified39.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-*l/39.8%

        \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \sin k}{\ell}} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
    6. Applied egg-rr39.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \sin k}{\ell}} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
    7. Taylor expanded in t around inf 52.0%

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

    if 2.1999999999999999e48 < k

    1. Initial program 43.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*43.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg43.2%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*43.2%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg43.2%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*50.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+50.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow250.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac28.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg28.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac50.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow250.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified50.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt21.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow221.0%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. sqrt-prod5.8%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/4.0%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. sqrt-div4.0%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. sqrt-pow15.6%

        \[\leadsto \frac{\frac{2}{{\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. metadata-eval5.6%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. sqrt-unprod3.7%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. add-sqr-sqrt7.5%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr7.5%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Taylor expanded in k around 0 17.0%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. *-commutative17.0%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \left(k + \color{blue}{{k}^{3} \cdot 0.08333333333333333}\right)\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Simplified17.0%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + {k}^{3} \cdot 0.08333333333333333\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in t around 0 58.0%

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification35.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 5.1 \cdot 10^{-5}:\\ \;\;\;\;\frac{2 \cdot {\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{elif}\;k \leq 2.2 \cdot 10^{+48}:\\ \;\;\;\;\frac{2}{\frac{\sin k \cdot \frac{{t}^{3}}{\ell}}{\ell} \cdot \left(2 \cdot \frac{\sin k}{\cos k}\right)}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot \left(t \cdot {\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}^{2}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 68.7% accurate, 1.0× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ t_s \cdot \begin{array}{l} \mathbf{if}\;k \leq 0.00037:\\ \;\;\;\;\frac{2 \cdot {\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}}{2 + {\left(\frac{k}{t_m}\right)}^{2}}\\ \mathbf{elif}\;k \leq 1.3 \cdot 10^{+60}:\\ \;\;\;\;\frac{{\ell}^{2} \cdot \cos k}{{k}^{2} \cdot {t_m}^{3}}\\ \mathbf{else}:\\ \;\;\;\;288 \cdot \frac{{\ell}^{2}}{t_m \cdot {k}^{8}}\\ \end{array} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= k 0.00037)
    (/ (* 2.0 (pow (/ l (* k (pow t_m 1.5))) 2.0)) (+ 2.0 (pow (/ k t_m) 2.0)))
    (if (<= k 1.3e+60)
      (/ (* (pow l 2.0) (cos k)) (* (pow k 2.0) (pow t_m 3.0)))
      (* 288.0 (/ (pow l 2.0) (* t_m (pow k 8.0))))))))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (k <= 0.00037) {
		tmp = (2.0 * pow((l / (k * pow(t_m, 1.5))), 2.0)) / (2.0 + pow((k / t_m), 2.0));
	} else if (k <= 1.3e+60) {
		tmp = (pow(l, 2.0) * cos(k)) / (pow(k, 2.0) * pow(t_m, 3.0));
	} else {
		tmp = 288.0 * (pow(l, 2.0) / (t_m * pow(k, 8.0)));
	}
	return t_s * tmp;
}
t_m = abs(t)
t_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (k <= 0.00037d0) then
        tmp = (2.0d0 * ((l / (k * (t_m ** 1.5d0))) ** 2.0d0)) / (2.0d0 + ((k / t_m) ** 2.0d0))
    else if (k <= 1.3d+60) then
        tmp = ((l ** 2.0d0) * cos(k)) / ((k ** 2.0d0) * (t_m ** 3.0d0))
    else
        tmp = 288.0d0 * ((l ** 2.0d0) / (t_m * (k ** 8.0d0)))
    end if
    code = t_s * tmp
end function
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (k <= 0.00037) {
		tmp = (2.0 * Math.pow((l / (k * Math.pow(t_m, 1.5))), 2.0)) / (2.0 + Math.pow((k / t_m), 2.0));
	} else if (k <= 1.3e+60) {
		tmp = (Math.pow(l, 2.0) * Math.cos(k)) / (Math.pow(k, 2.0) * Math.pow(t_m, 3.0));
	} else {
		tmp = 288.0 * (Math.pow(l, 2.0) / (t_m * Math.pow(k, 8.0)));
	}
	return t_s * tmp;
}
t_m = math.fabs(t)
t_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k):
	tmp = 0
	if k <= 0.00037:
		tmp = (2.0 * math.pow((l / (k * math.pow(t_m, 1.5))), 2.0)) / (2.0 + math.pow((k / t_m), 2.0))
	elif k <= 1.3e+60:
		tmp = (math.pow(l, 2.0) * math.cos(k)) / (math.pow(k, 2.0) * math.pow(t_m, 3.0))
	else:
		tmp = 288.0 * (math.pow(l, 2.0) / (t_m * math.pow(k, 8.0)))
	return t_s * tmp
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	tmp = 0.0
	if (k <= 0.00037)
		tmp = Float64(Float64(2.0 * (Float64(l / Float64(k * (t_m ^ 1.5))) ^ 2.0)) / Float64(2.0 + (Float64(k / t_m) ^ 2.0)));
	elseif (k <= 1.3e+60)
		tmp = Float64(Float64((l ^ 2.0) * cos(k)) / Float64((k ^ 2.0) * (t_m ^ 3.0)));
	else
		tmp = Float64(288.0 * Float64((l ^ 2.0) / Float64(t_m * (k ^ 8.0))));
	end
	return Float64(t_s * tmp)
end
t_m = abs(t);
t_s = sign(t) * abs(1.0);
function tmp_2 = code(t_s, t_m, l, k)
	tmp = 0.0;
	if (k <= 0.00037)
		tmp = (2.0 * ((l / (k * (t_m ^ 1.5))) ^ 2.0)) / (2.0 + ((k / t_m) ^ 2.0));
	elseif (k <= 1.3e+60)
		tmp = ((l ^ 2.0) * cos(k)) / ((k ^ 2.0) * (t_m ^ 3.0));
	else
		tmp = 288.0 * ((l ^ 2.0) / (t_m * (k ^ 8.0)));
	end
	tmp_2 = t_s * tmp;
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := N[(t$95$s * If[LessEqual[k, 0.00037], N[(N[(2.0 * N[Power[N[(l / N[(k * N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[k, 1.3e+60], N[(N[(N[Power[l, 2.0], $MachinePrecision] * N[Cos[k], $MachinePrecision]), $MachinePrecision] / N[(N[Power[k, 2.0], $MachinePrecision] * N[Power[t$95$m, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(288.0 * N[(N[Power[l, 2.0], $MachinePrecision] / N[(t$95$m * N[Power[k, 8.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
t_s \cdot \begin{array}{l}
\mathbf{if}\;k \leq 0.00037:\\
\;\;\;\;\frac{2 \cdot {\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}}{2 + {\left(\frac{k}{t_m}\right)}^{2}}\\

\mathbf{elif}\;k \leq 1.3 \cdot 10^{+60}:\\
\;\;\;\;\frac{{\ell}^{2} \cdot \cos k}{{k}^{2} \cdot {t_m}^{3}}\\

\mathbf{else}:\\
\;\;\;\;288 \cdot \frac{{\ell}^{2}}{t_m \cdot {k}^{8}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if k < 3.6999999999999999e-4

    1. Initial program 58.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*59.2%

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

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*53.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg53.9%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*59.1%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+59.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow259.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac49.2%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg49.2%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac59.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow259.1%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt24.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow224.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. sqrt-prod19.8%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/17.8%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. sqrt-div17.8%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. sqrt-pow121.4%

        \[\leadsto \frac{\frac{2}{{\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. metadata-eval21.4%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. sqrt-unprod12.5%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. add-sqr-sqrt23.4%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr23.4%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Taylor expanded in k around 0 28.2%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. *-commutative28.2%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \left(k + \color{blue}{{k}^{3} \cdot 0.08333333333333333}\right)\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Simplified28.2%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + {k}^{3} \cdot 0.08333333333333333\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around 0 52.3%

      \[\leadsto \frac{\color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Step-by-step derivation
      1. associate-/r*50.9%

        \[\leadsto \frac{2 \cdot \color{blue}{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{3}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. metadata-eval50.9%

        \[\leadsto \frac{2 \cdot \frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{\color{blue}{\left(2 \cdot 1.5\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. pow-sqr19.5%

        \[\leadsto \frac{2 \cdot \frac{\frac{{\ell}^{2}}{{k}^{2}}}{\color{blue}{{t}^{1.5} \cdot {t}^{1.5}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r*23.1%

        \[\leadsto \frac{2 \cdot \color{blue}{\frac{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{1.5}}}{{t}^{1.5}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. unpow223.1%

        \[\leadsto \frac{2 \cdot \frac{\frac{\frac{\color{blue}{\ell \cdot \ell}}{{k}^{2}}}{{t}^{1.5}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. unpow223.1%

        \[\leadsto \frac{2 \cdot \frac{\frac{\frac{\ell \cdot \ell}{\color{blue}{k \cdot k}}}{{t}^{1.5}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. times-frac26.1%

        \[\leadsto \frac{2 \cdot \frac{\frac{\color{blue}{\frac{\ell}{k} \cdot \frac{\ell}{k}}}{{t}^{1.5}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. associate-*l/28.3%

        \[\leadsto \frac{2 \cdot \frac{\color{blue}{\frac{\frac{\ell}{k}}{{t}^{1.5}} \cdot \frac{\ell}{k}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. associate-*r/28.7%

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\frac{\frac{\ell}{k}}{{t}^{1.5}} \cdot \frac{\frac{\ell}{k}}{{t}^{1.5}}\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      10. unpow228.7%

        \[\leadsto \frac{2 \cdot \color{blue}{{\left(\frac{\frac{\ell}{k}}{{t}^{1.5}}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      11. associate-/r*28.8%

        \[\leadsto \frac{2 \cdot {\color{blue}{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}}^{2}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Simplified28.8%

      \[\leadsto \frac{\color{blue}{2 \cdot {\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]

    if 3.6999999999999999e-4 < k < 1.30000000000000004e60

    1. Initial program 36.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*36.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg36.7%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*36.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg36.6%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*36.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+36.6%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow236.6%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac36.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg36.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac36.6%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow236.6%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified36.6%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Taylor expanded in t around inf 47.7%

      \[\leadsto \color{blue}{\frac{{\ell}^{2} \cdot \cos k}{{t}^{3} \cdot {\sin k}^{2}}} \]
    6. Taylor expanded in k around 0 47.8%

      \[\leadsto \frac{{\ell}^{2} \cdot \cos k}{{t}^{3} \cdot \color{blue}{{k}^{2}}} \]

    if 1.30000000000000004e60 < k

    1. Initial program 43.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*43.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg43.9%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*43.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg43.9%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*51.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+51.5%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow251.5%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac29.1%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg29.1%

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

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow251.5%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified51.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt21.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow221.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. sqrt-prod5.8%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/3.9%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. sqrt-div3.9%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. sqrt-pow15.6%

        \[\leadsto \frac{\frac{2}{{\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. metadata-eval5.6%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. sqrt-unprod3.8%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. add-sqr-sqrt7.5%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr7.5%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Taylor expanded in k around 0 17.3%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. *-commutative17.3%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \left(k + \color{blue}{{k}^{3} \cdot 0.08333333333333333}\right)\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Simplified17.3%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + {k}^{3} \cdot 0.08333333333333333\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around inf 59.1%

      \[\leadsto \color{blue}{288 \cdot \frac{{\ell}^{2}}{{k}^{8} \cdot t}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification35.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 0.00037:\\ \;\;\;\;\frac{2 \cdot {\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \mathbf{elif}\;k \leq 1.3 \cdot 10^{+60}:\\ \;\;\;\;\frac{{\ell}^{2} \cdot \cos k}{{k}^{2} \cdot {t}^{3}}\\ \mathbf{else}:\\ \;\;\;\;288 \cdot \frac{{\ell}^{2}}{t \cdot {k}^{8}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 71.5% accurate, 1.0× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ t_s \cdot \begin{array}{l} \mathbf{if}\;t_m \leq 8 \cdot 10^{-154}:\\ \;\;\;\;{\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{t_m}\right)}^{3}\\ \mathbf{else}:\\ \;\;\;\;\frac{2 \cdot {\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}}{2 + {\left(\frac{k}{t_m}\right)}^{2}}\\ \end{array} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= t_m 8e-154)
    (pow (/ (cbrt (/ (pow l 2.0) (pow k 2.0))) t_m) 3.0)
    (/
     (* 2.0 (pow (/ l (* k (pow t_m 1.5))) 2.0))
     (+ 2.0 (pow (/ k t_m) 2.0))))))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 8e-154) {
		tmp = pow((cbrt((pow(l, 2.0) / pow(k, 2.0))) / t_m), 3.0);
	} else {
		tmp = (2.0 * pow((l / (k * pow(t_m, 1.5))), 2.0)) / (2.0 + pow((k / t_m), 2.0));
	}
	return t_s * tmp;
}
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 8e-154) {
		tmp = Math.pow((Math.cbrt((Math.pow(l, 2.0) / Math.pow(k, 2.0))) / t_m), 3.0);
	} else {
		tmp = (2.0 * Math.pow((l / (k * Math.pow(t_m, 1.5))), 2.0)) / (2.0 + Math.pow((k / t_m), 2.0));
	}
	return t_s * tmp;
}
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	tmp = 0.0
	if (t_m <= 8e-154)
		tmp = Float64(cbrt(Float64((l ^ 2.0) / (k ^ 2.0))) / t_m) ^ 3.0;
	else
		tmp = Float64(Float64(2.0 * (Float64(l / Float64(k * (t_m ^ 1.5))) ^ 2.0)) / Float64(2.0 + (Float64(k / t_m) ^ 2.0)));
	end
	return Float64(t_s * tmp)
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := N[(t$95$s * If[LessEqual[t$95$m, 8e-154], N[Power[N[(N[Power[N[(N[Power[l, 2.0], $MachinePrecision] / N[Power[k, 2.0], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] / t$95$m), $MachinePrecision], 3.0], $MachinePrecision], N[(N[(2.0 * N[Power[N[(l / N[(k * N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
t_s \cdot \begin{array}{l}
\mathbf{if}\;t_m \leq 8 \cdot 10^{-154}:\\
\;\;\;\;{\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{t_m}\right)}^{3}\\

\mathbf{else}:\\
\;\;\;\;\frac{2 \cdot {\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}}{2 + {\left(\frac{k}{t_m}\right)}^{2}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < 7.9999999999999998e-154

    1. Initial program 50.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*50.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg50.4%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*47.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg47.6%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*52.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+52.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow252.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac39.6%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg39.6%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac52.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow252.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified52.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 48.2%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    6. Step-by-step derivation
      1. add-cube-cbrt48.1%

        \[\leadsto \color{blue}{\left(\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \cdot \sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}\right) \cdot \sqrt[3]{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}} \]
      2. pow348.1%

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

        \[\leadsto {\left(\sqrt[3]{\color{blue}{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{3}}}}\right)}^{3} \]
      4. cbrt-div46.6%

        \[\leadsto {\color{blue}{\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{\sqrt[3]{{t}^{3}}}\right)}}^{3} \]
      5. rem-cbrt-cube57.9%

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

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

    if 7.9999999999999998e-154 < t

    1. Initial program 66.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*66.6%

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

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*59.8%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg59.8%

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

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

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow266.2%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac56.6%

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

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac66.2%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow266.2%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt50.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow250.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. sqrt-prod50.8%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/45.7%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. sqrt-div45.7%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. sqrt-pow154.9%

        \[\leadsto \frac{\frac{2}{{\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. metadata-eval54.9%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. sqrt-unprod30.1%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. add-sqr-sqrt60.1%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr60.1%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Taylor expanded in k around 0 77.3%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. *-commutative77.3%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \left(k + \color{blue}{{k}^{3} \cdot 0.08333333333333333}\right)\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Simplified77.3%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + {k}^{3} \cdot 0.08333333333333333\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around 0 55.6%

      \[\leadsto \frac{\color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Step-by-step derivation
      1. associate-/r*55.6%

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

        \[\leadsto \frac{2 \cdot \frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{\color{blue}{\left(2 \cdot 1.5\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. pow-sqr55.6%

        \[\leadsto \frac{2 \cdot \frac{\frac{{\ell}^{2}}{{k}^{2}}}{\color{blue}{{t}^{1.5} \cdot {t}^{1.5}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r*63.6%

        \[\leadsto \frac{2 \cdot \color{blue}{\frac{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{1.5}}}{{t}^{1.5}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. unpow263.6%

        \[\leadsto \frac{2 \cdot \frac{\frac{\frac{\color{blue}{\ell \cdot \ell}}{{k}^{2}}}{{t}^{1.5}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. unpow263.6%

        \[\leadsto \frac{2 \cdot \frac{\frac{\frac{\ell \cdot \ell}{\color{blue}{k \cdot k}}}{{t}^{1.5}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. times-frac71.6%

        \[\leadsto \frac{2 \cdot \frac{\frac{\color{blue}{\frac{\ell}{k} \cdot \frac{\ell}{k}}}{{t}^{1.5}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. associate-*l/77.4%

        \[\leadsto \frac{2 \cdot \frac{\color{blue}{\frac{\frac{\ell}{k}}{{t}^{1.5}} \cdot \frac{\ell}{k}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. associate-*r/78.6%

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\frac{\frac{\ell}{k}}{{t}^{1.5}} \cdot \frac{\frac{\ell}{k}}{{t}^{1.5}}\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      10. unpow278.6%

        \[\leadsto \frac{2 \cdot \color{blue}{{\left(\frac{\frac{\ell}{k}}{{t}^{1.5}}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      11. associate-/r*78.7%

        \[\leadsto \frac{2 \cdot {\color{blue}{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}}^{2}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Simplified78.7%

      \[\leadsto \frac{\color{blue}{2 \cdot {\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification63.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 8 \cdot 10^{-154}:\\ \;\;\;\;{\left(\frac{\sqrt[3]{\frac{{\ell}^{2}}{{k}^{2}}}}{t}\right)}^{3}\\ \mathbf{else}:\\ \;\;\;\;\frac{2 \cdot {\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 70.8% accurate, 1.3× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ t_s \cdot \begin{array}{l} \mathbf{if}\;t_m \leq 2 \cdot 10^{-153}:\\ \;\;\;\;288 \cdot \frac{{\ell}^{2}}{t_m \cdot {k}^{8}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2 \cdot {\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}}{2 + {\left(\frac{k}{t_m}\right)}^{2}}\\ \end{array} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= t_m 2e-153)
    (* 288.0 (/ (pow l 2.0) (* t_m (pow k 8.0))))
    (/
     (* 2.0 (pow (/ l (* k (pow t_m 1.5))) 2.0))
     (+ 2.0 (pow (/ k t_m) 2.0))))))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 2e-153) {
		tmp = 288.0 * (pow(l, 2.0) / (t_m * pow(k, 8.0)));
	} else {
		tmp = (2.0 * pow((l / (k * pow(t_m, 1.5))), 2.0)) / (2.0 + pow((k / t_m), 2.0));
	}
	return t_s * tmp;
}
t_m = abs(t)
t_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (t_m <= 2d-153) then
        tmp = 288.0d0 * ((l ** 2.0d0) / (t_m * (k ** 8.0d0)))
    else
        tmp = (2.0d0 * ((l / (k * (t_m ** 1.5d0))) ** 2.0d0)) / (2.0d0 + ((k / t_m) ** 2.0d0))
    end if
    code = t_s * tmp
end function
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (t_m <= 2e-153) {
		tmp = 288.0 * (Math.pow(l, 2.0) / (t_m * Math.pow(k, 8.0)));
	} else {
		tmp = (2.0 * Math.pow((l / (k * Math.pow(t_m, 1.5))), 2.0)) / (2.0 + Math.pow((k / t_m), 2.0));
	}
	return t_s * tmp;
}
t_m = math.fabs(t)
t_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k):
	tmp = 0
	if t_m <= 2e-153:
		tmp = 288.0 * (math.pow(l, 2.0) / (t_m * math.pow(k, 8.0)))
	else:
		tmp = (2.0 * math.pow((l / (k * math.pow(t_m, 1.5))), 2.0)) / (2.0 + math.pow((k / t_m), 2.0))
	return t_s * tmp
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	tmp = 0.0
	if (t_m <= 2e-153)
		tmp = Float64(288.0 * Float64((l ^ 2.0) / Float64(t_m * (k ^ 8.0))));
	else
		tmp = Float64(Float64(2.0 * (Float64(l / Float64(k * (t_m ^ 1.5))) ^ 2.0)) / Float64(2.0 + (Float64(k / t_m) ^ 2.0)));
	end
	return Float64(t_s * tmp)
end
t_m = abs(t);
t_s = sign(t) * abs(1.0);
function tmp_2 = code(t_s, t_m, l, k)
	tmp = 0.0;
	if (t_m <= 2e-153)
		tmp = 288.0 * ((l ^ 2.0) / (t_m * (k ^ 8.0)));
	else
		tmp = (2.0 * ((l / (k * (t_m ^ 1.5))) ^ 2.0)) / (2.0 + ((k / t_m) ^ 2.0));
	end
	tmp_2 = t_s * tmp;
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := N[(t$95$s * If[LessEqual[t$95$m, 2e-153], N[(288.0 * N[(N[Power[l, 2.0], $MachinePrecision] / N[(t$95$m * N[Power[k, 8.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(2.0 * N[Power[N[(l / N[(k * N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] / N[(2.0 + N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
t_s \cdot \begin{array}{l}
\mathbf{if}\;t_m \leq 2 \cdot 10^{-153}:\\
\;\;\;\;288 \cdot \frac{{\ell}^{2}}{t_m \cdot {k}^{8}}\\

\mathbf{else}:\\
\;\;\;\;\frac{2 \cdot {\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}}{2 + {\left(\frac{k}{t_m}\right)}^{2}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < 2.00000000000000008e-153

    1. Initial program 50.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*50.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg50.4%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*47.6%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg47.6%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*52.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+52.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow252.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac39.6%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg39.6%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac52.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow252.7%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified52.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt13.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow213.3%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. sqrt-prod3.8%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/3.3%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. sqrt-div3.3%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. sqrt-pow13.8%

        \[\leadsto \frac{\frac{2}{{\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. metadata-eval3.8%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. sqrt-unprod2.2%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. add-sqr-sqrt4.4%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr4.4%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Taylor expanded in k around 0 4.9%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. *-commutative4.9%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \left(k + \color{blue}{{k}^{3} \cdot 0.08333333333333333}\right)\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Simplified4.9%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + {k}^{3} \cdot 0.08333333333333333\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around inf 51.5%

      \[\leadsto \color{blue}{288 \cdot \frac{{\ell}^{2}}{{k}^{8} \cdot t}} \]

    if 2.00000000000000008e-153 < t

    1. Initial program 66.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*66.6%

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

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*59.8%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg59.8%

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

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

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow266.2%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac56.6%

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

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac66.2%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow266.2%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt50.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow250.9%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. sqrt-prod50.8%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/45.7%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. sqrt-div45.7%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. sqrt-pow154.9%

        \[\leadsto \frac{\frac{2}{{\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. metadata-eval54.9%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. sqrt-unprod30.1%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. add-sqr-sqrt60.1%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr60.1%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Taylor expanded in k around 0 77.3%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. *-commutative77.3%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \left(k + \color{blue}{{k}^{3} \cdot 0.08333333333333333}\right)\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Simplified77.3%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + {k}^{3} \cdot 0.08333333333333333\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around 0 55.6%

      \[\leadsto \frac{\color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    11. Step-by-step derivation
      1. associate-/r*55.6%

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

        \[\leadsto \frac{2 \cdot \frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{\color{blue}{\left(2 \cdot 1.5\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. pow-sqr55.6%

        \[\leadsto \frac{2 \cdot \frac{\frac{{\ell}^{2}}{{k}^{2}}}{\color{blue}{{t}^{1.5} \cdot {t}^{1.5}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/r*63.6%

        \[\leadsto \frac{2 \cdot \color{blue}{\frac{\frac{\frac{{\ell}^{2}}{{k}^{2}}}{{t}^{1.5}}}{{t}^{1.5}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. unpow263.6%

        \[\leadsto \frac{2 \cdot \frac{\frac{\frac{\color{blue}{\ell \cdot \ell}}{{k}^{2}}}{{t}^{1.5}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. unpow263.6%

        \[\leadsto \frac{2 \cdot \frac{\frac{\frac{\ell \cdot \ell}{\color{blue}{k \cdot k}}}{{t}^{1.5}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. times-frac71.6%

        \[\leadsto \frac{2 \cdot \frac{\frac{\color{blue}{\frac{\ell}{k} \cdot \frac{\ell}{k}}}{{t}^{1.5}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. associate-*l/77.4%

        \[\leadsto \frac{2 \cdot \frac{\color{blue}{\frac{\frac{\ell}{k}}{{t}^{1.5}} \cdot \frac{\ell}{k}}}{{t}^{1.5}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. associate-*r/78.6%

        \[\leadsto \frac{2 \cdot \color{blue}{\left(\frac{\frac{\ell}{k}}{{t}^{1.5}} \cdot \frac{\frac{\ell}{k}}{{t}^{1.5}}\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      10. unpow278.6%

        \[\leadsto \frac{2 \cdot \color{blue}{{\left(\frac{\frac{\ell}{k}}{{t}^{1.5}}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      11. associate-/r*78.7%

        \[\leadsto \frac{2 \cdot {\color{blue}{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}}^{2}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    12. Simplified78.7%

      \[\leadsto \frac{\color{blue}{2 \cdot {\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification59.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 2 \cdot 10^{-153}:\\ \;\;\;\;288 \cdot \frac{{\ell}^{2}}{t \cdot {k}^{8}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2 \cdot {\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}}{2 + {\left(\frac{k}{t}\right)}^{2}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 68.7% accurate, 2.0× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ t_s \cdot \begin{array}{l} \mathbf{if}\;k \leq 9.5 \cdot 10^{+25}:\\ \;\;\;\;{\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}\\ \mathbf{else}:\\ \;\;\;\;288 \cdot \frac{{\ell}^{2}}{t_m \cdot {k}^{8}}\\ \end{array} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= k 9.5e+25)
    (pow (/ l (* k (pow t_m 1.5))) 2.0)
    (* 288.0 (/ (pow l 2.0) (* t_m (pow k 8.0)))))))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (k <= 9.5e+25) {
		tmp = pow((l / (k * pow(t_m, 1.5))), 2.0);
	} else {
		tmp = 288.0 * (pow(l, 2.0) / (t_m * pow(k, 8.0)));
	}
	return t_s * tmp;
}
t_m = abs(t)
t_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (k <= 9.5d+25) then
        tmp = (l / (k * (t_m ** 1.5d0))) ** 2.0d0
    else
        tmp = 288.0d0 * ((l ** 2.0d0) / (t_m * (k ** 8.0d0)))
    end if
    code = t_s * tmp
end function
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (k <= 9.5e+25) {
		tmp = Math.pow((l / (k * Math.pow(t_m, 1.5))), 2.0);
	} else {
		tmp = 288.0 * (Math.pow(l, 2.0) / (t_m * Math.pow(k, 8.0)));
	}
	return t_s * tmp;
}
t_m = math.fabs(t)
t_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k):
	tmp = 0
	if k <= 9.5e+25:
		tmp = math.pow((l / (k * math.pow(t_m, 1.5))), 2.0)
	else:
		tmp = 288.0 * (math.pow(l, 2.0) / (t_m * math.pow(k, 8.0)))
	return t_s * tmp
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	tmp = 0.0
	if (k <= 9.5e+25)
		tmp = Float64(l / Float64(k * (t_m ^ 1.5))) ^ 2.0;
	else
		tmp = Float64(288.0 * Float64((l ^ 2.0) / Float64(t_m * (k ^ 8.0))));
	end
	return Float64(t_s * tmp)
end
t_m = abs(t);
t_s = sign(t) * abs(1.0);
function tmp_2 = code(t_s, t_m, l, k)
	tmp = 0.0;
	if (k <= 9.5e+25)
		tmp = (l / (k * (t_m ^ 1.5))) ^ 2.0;
	else
		tmp = 288.0 * ((l ^ 2.0) / (t_m * (k ^ 8.0)));
	end
	tmp_2 = t_s * tmp;
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := N[(t$95$s * If[LessEqual[k, 9.5e+25], N[Power[N[(l / N[(k * N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision], N[(288.0 * N[(N[Power[l, 2.0], $MachinePrecision] / N[(t$95$m * N[Power[k, 8.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
t_s \cdot \begin{array}{l}
\mathbf{if}\;k \leq 9.5 \cdot 10^{+25}:\\
\;\;\;\;{\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}\\

\mathbf{else}:\\
\;\;\;\;288 \cdot \frac{{\ell}^{2}}{t_m \cdot {k}^{8}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 9.5000000000000005e25

    1. Initial program 58.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*58.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg58.6%

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

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

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*58.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+58.5%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow258.5%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac49.0%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg49.0%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac58.5%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow258.5%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified58.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 53.5%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    6. Step-by-step derivation
      1. unpow253.5%

        \[\leadsto \frac{{\ell}^{2}}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
    7. Applied egg-rr53.5%

      \[\leadsto \frac{{\ell}^{2}}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
    8. Step-by-step derivation
      1. expm1-log1p-u35.1%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}\right)\right)} \]
      2. expm1-udef34.4%

        \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}\right)} - 1} \]
      3. add-sqr-sqrt34.0%

        \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{\sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}} \cdot \sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}}}\right)} - 1 \]
      4. pow234.0%

        \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{{\left(\sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}}\right)} - 1 \]
      5. sqrt-div21.3%

        \[\leadsto e^{\mathsf{log1p}\left({\color{blue}{\left(\frac{\sqrt{{\ell}^{2}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}}^{2}\right)} - 1 \]
      6. unpow221.3%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\sqrt{\color{blue}{\ell \cdot \ell}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
      7. sqrt-prod12.2%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
      8. add-sqr-sqrt22.5%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\color{blue}{\ell}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
      9. sqrt-prod22.9%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{\sqrt{k \cdot k} \cdot \sqrt{{t}^{3}}}}\right)}^{2}\right)} - 1 \]
      10. sqrt-prod10.8%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{\left(\sqrt{k} \cdot \sqrt{k}\right)} \cdot \sqrt{{t}^{3}}}\right)}^{2}\right)} - 1 \]
      11. add-sqr-sqrt26.0%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{k} \cdot \sqrt{{t}^{3}}}\right)}^{2}\right)} - 1 \]
      12. sqrt-pow126.9%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot \color{blue}{{t}^{\left(\frac{3}{2}\right)}}}\right)}^{2}\right)} - 1 \]
      13. metadata-eval26.9%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{\color{blue}{1.5}}}\right)}^{2}\right)} - 1 \]
    9. Applied egg-rr26.9%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\right)} - 1} \]
    10. Step-by-step derivation
      1. expm1-def28.3%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\right)\right)} \]
      2. expm1-log1p28.4%

        \[\leadsto \color{blue}{{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}} \]
    11. Simplified28.4%

      \[\leadsto \color{blue}{{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}} \]

    if 9.5000000000000005e25 < k

    1. Initial program 42.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*42.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg42.7%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*42.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg42.7%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*49.8%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+49.8%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow249.8%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac28.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg28.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac49.8%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow249.8%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified49.8%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt21.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow221.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. sqrt-prod7.2%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/5.5%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. sqrt-div5.4%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. sqrt-pow17.0%

        \[\leadsto \frac{\frac{2}{{\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. metadata-eval7.0%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. sqrt-unprod3.5%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. add-sqr-sqrt8.8%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr8.8%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Taylor expanded in k around 0 16.2%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. *-commutative16.2%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \left(k + \color{blue}{{k}^{3} \cdot 0.08333333333333333}\right)\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Simplified16.2%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + {k}^{3} \cdot 0.08333333333333333\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around inf 56.8%

      \[\leadsto \color{blue}{288 \cdot \frac{{\ell}^{2}}{{k}^{8} \cdot t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification34.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 9.5 \cdot 10^{+25}:\\ \;\;\;\;{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\\ \mathbf{else}:\\ \;\;\;\;288 \cdot \frac{{\ell}^{2}}{t \cdot {k}^{8}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 68.7% accurate, 2.0× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ t_s \cdot \begin{array}{l} \mathbf{if}\;k \leq 1.48 \cdot 10^{+26}:\\ \;\;\;\;{\left(\frac{\frac{\ell}{k}}{{t_m}^{1.5}}\right)}^{2}\\ \mathbf{else}:\\ \;\;\;\;288 \cdot \frac{{\ell}^{2}}{t_m \cdot {k}^{8}}\\ \end{array} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= k 1.48e+26)
    (pow (/ (/ l k) (pow t_m 1.5)) 2.0)
    (* 288.0 (/ (pow l 2.0) (* t_m (pow k 8.0)))))))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (k <= 1.48e+26) {
		tmp = pow(((l / k) / pow(t_m, 1.5)), 2.0);
	} else {
		tmp = 288.0 * (pow(l, 2.0) / (t_m * pow(k, 8.0)));
	}
	return t_s * tmp;
}
t_m = abs(t)
t_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (k <= 1.48d+26) then
        tmp = ((l / k) / (t_m ** 1.5d0)) ** 2.0d0
    else
        tmp = 288.0d0 * ((l ** 2.0d0) / (t_m * (k ** 8.0d0)))
    end if
    code = t_s * tmp
end function
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	double tmp;
	if (k <= 1.48e+26) {
		tmp = Math.pow(((l / k) / Math.pow(t_m, 1.5)), 2.0);
	} else {
		tmp = 288.0 * (Math.pow(l, 2.0) / (t_m * Math.pow(k, 8.0)));
	}
	return t_s * tmp;
}
t_m = math.fabs(t)
t_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k):
	tmp = 0
	if k <= 1.48e+26:
		tmp = math.pow(((l / k) / math.pow(t_m, 1.5)), 2.0)
	else:
		tmp = 288.0 * (math.pow(l, 2.0) / (t_m * math.pow(k, 8.0)))
	return t_s * tmp
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	tmp = 0.0
	if (k <= 1.48e+26)
		tmp = Float64(Float64(l / k) / (t_m ^ 1.5)) ^ 2.0;
	else
		tmp = Float64(288.0 * Float64((l ^ 2.0) / Float64(t_m * (k ^ 8.0))));
	end
	return Float64(t_s * tmp)
end
t_m = abs(t);
t_s = sign(t) * abs(1.0);
function tmp_2 = code(t_s, t_m, l, k)
	tmp = 0.0;
	if (k <= 1.48e+26)
		tmp = ((l / k) / (t_m ^ 1.5)) ^ 2.0;
	else
		tmp = 288.0 * ((l ^ 2.0) / (t_m * (k ^ 8.0)));
	end
	tmp_2 = t_s * tmp;
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := N[(t$95$s * If[LessEqual[k, 1.48e+26], N[Power[N[(N[(l / k), $MachinePrecision] / N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision], N[(288.0 * N[(N[Power[l, 2.0], $MachinePrecision] / N[(t$95$m * N[Power[k, 8.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
t_s \cdot \begin{array}{l}
\mathbf{if}\;k \leq 1.48 \cdot 10^{+26}:\\
\;\;\;\;{\left(\frac{\frac{\ell}{k}}{{t_m}^{1.5}}\right)}^{2}\\

\mathbf{else}:\\
\;\;\;\;288 \cdot \frac{{\ell}^{2}}{t_m \cdot {k}^{8}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.48e26

    1. Initial program 58.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*58.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg58.6%

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

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

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*58.5%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+58.5%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow258.5%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac49.0%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg49.0%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac58.5%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow258.5%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified58.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 53.5%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    6. Step-by-step derivation
      1. unpow253.5%

        \[\leadsto \frac{{\ell}^{2}}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
    7. Applied egg-rr53.5%

      \[\leadsto \frac{{\ell}^{2}}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
    8. Step-by-step derivation
      1. expm1-log1p-u35.1%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}\right)\right)} \]
      2. expm1-udef34.4%

        \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}\right)} - 1} \]
      3. add-sqr-sqrt34.0%

        \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{\sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}} \cdot \sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}}}\right)} - 1 \]
      4. pow234.0%

        \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{{\left(\sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}}\right)} - 1 \]
      5. sqrt-div21.3%

        \[\leadsto e^{\mathsf{log1p}\left({\color{blue}{\left(\frac{\sqrt{{\ell}^{2}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}}^{2}\right)} - 1 \]
      6. unpow221.3%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\sqrt{\color{blue}{\ell \cdot \ell}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
      7. sqrt-prod12.2%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
      8. add-sqr-sqrt22.5%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\color{blue}{\ell}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
      9. sqrt-prod22.9%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{\sqrt{k \cdot k} \cdot \sqrt{{t}^{3}}}}\right)}^{2}\right)} - 1 \]
      10. sqrt-prod10.8%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{\left(\sqrt{k} \cdot \sqrt{k}\right)} \cdot \sqrt{{t}^{3}}}\right)}^{2}\right)} - 1 \]
      11. add-sqr-sqrt26.0%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{k} \cdot \sqrt{{t}^{3}}}\right)}^{2}\right)} - 1 \]
      12. sqrt-pow126.9%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot \color{blue}{{t}^{\left(\frac{3}{2}\right)}}}\right)}^{2}\right)} - 1 \]
      13. metadata-eval26.9%

        \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{\color{blue}{1.5}}}\right)}^{2}\right)} - 1 \]
    9. Applied egg-rr26.9%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\right)} - 1} \]
    10. Step-by-step derivation
      1. expm1-def28.3%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\right)\right)} \]
      2. expm1-log1p28.4%

        \[\leadsto \color{blue}{{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}} \]
    11. Simplified28.4%

      \[\leadsto \color{blue}{{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}} \]
    12. Step-by-step derivation
      1. *-un-lft-identity28.4%

        \[\leadsto {\color{blue}{\left(1 \cdot \frac{\ell}{k \cdot {t}^{1.5}}\right)}}^{2} \]
      2. associate-/r*28.4%

        \[\leadsto {\left(1 \cdot \color{blue}{\frac{\frac{\ell}{k}}{{t}^{1.5}}}\right)}^{2} \]
    13. Applied egg-rr28.4%

      \[\leadsto {\color{blue}{\left(1 \cdot \frac{\frac{\ell}{k}}{{t}^{1.5}}\right)}}^{2} \]

    if 1.48e26 < k

    1. Initial program 42.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/r*42.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
      2. sqr-neg42.7%

        \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      3. associate-*l*42.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      4. sqr-neg42.7%

        \[\leadsto \frac{\frac{2}{\frac{{t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      5. associate-/r*49.8%

        \[\leadsto \frac{\frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sin k \cdot \tan k\right)}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
      6. associate-+l+49.8%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
      7. unpow249.8%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
      8. times-frac28.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
      9. sqr-neg28.9%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
      10. times-frac49.8%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
      11. unpow249.8%

        \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
    3. Simplified49.8%

      \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt21.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      2. pow221.7%

        \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      3. sqrt-prod7.2%

        \[\leadsto \frac{\frac{2}{{\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      4. associate-/l/5.5%

        \[\leadsto \frac{\frac{2}{{\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      5. sqrt-div5.4%

        \[\leadsto \frac{\frac{2}{{\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      6. sqrt-pow17.0%

        \[\leadsto \frac{\frac{2}{{\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      7. metadata-eval7.0%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      8. sqrt-unprod3.5%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
      9. add-sqr-sqrt8.8%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    6. Applied egg-rr8.8%

      \[\leadsto \frac{\frac{2}{\color{blue}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}\right)}^{2}}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    7. Taylor expanded in k around 0 16.2%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + 0.08333333333333333 \cdot {k}^{3}\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    8. Step-by-step derivation
      1. *-commutative16.2%

        \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \left(k + \color{blue}{{k}^{3} \cdot 0.08333333333333333}\right)\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    9. Simplified16.2%

      \[\leadsto \frac{\frac{2}{{\left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\left(k + {k}^{3} \cdot 0.08333333333333333\right)}\right)}^{2}}}{2 + {\left(\frac{k}{t}\right)}^{2}} \]
    10. Taylor expanded in k around inf 56.8%

      \[\leadsto \color{blue}{288 \cdot \frac{{\ell}^{2}}{{k}^{8} \cdot t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification34.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.48 \cdot 10^{+26}:\\ \;\;\;\;{\left(\frac{\frac{\ell}{k}}{{t}^{1.5}}\right)}^{2}\\ \mathbf{else}:\\ \;\;\;\;288 \cdot \frac{{\ell}^{2}}{t \cdot {k}^{8}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 67.7% accurate, 2.0× speedup?

\[\begin{array}{l} t_m = \left|t\right| \\ t_s = \mathsf{copysign}\left(1, t\right) \\ t_s \cdot {\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2} \end{array} \]
t_m = (fabs.f64 t)
t_s = (copysign.f64 1 t)
(FPCore (t_s t_m l k)
 :precision binary64
 (* t_s (pow (/ l (* k (pow t_m 1.5))) 2.0)))
t_m = fabs(t);
t_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k) {
	return t_s * pow((l / (k * pow(t_m, 1.5))), 2.0);
}
t_m = abs(t)
t_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = t_s * ((l / (k * (t_m ** 1.5d0))) ** 2.0d0)
end function
t_m = Math.abs(t);
t_s = Math.copySign(1.0, t);
public static double code(double t_s, double t_m, double l, double k) {
	return t_s * Math.pow((l / (k * Math.pow(t_m, 1.5))), 2.0);
}
t_m = math.fabs(t)
t_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k):
	return t_s * math.pow((l / (k * math.pow(t_m, 1.5))), 2.0)
t_m = abs(t)
t_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	return Float64(t_s * (Float64(l / Float64(k * (t_m ^ 1.5))) ^ 2.0))
end
t_m = abs(t);
t_s = sign(t) * abs(1.0);
function tmp = code(t_s, t_m, l, k)
	tmp = t_s * ((l / (k * (t_m ^ 1.5))) ^ 2.0);
end
t_m = N[Abs[t], $MachinePrecision]
t_s = N[With[{TMP1 = Abs[1.0], TMP2 = Sign[t]}, TMP1 * If[TMP2 == 0, 1, TMP2]], $MachinePrecision]
code[t$95$s_, t$95$m_, l_, k_] := N[(t$95$s * N[Power[N[(l / N[(k * N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
t_m = \left|t\right|
\\
t_s = \mathsf{copysign}\left(1, t\right)

\\
t_s \cdot {\left(\frac{\ell}{k \cdot {t_m}^{1.5}}\right)}^{2}
\end{array}
Derivation
  1. Initial program 54.8%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Step-by-step derivation
    1. associate-/r*55.0%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}} \]
    2. sqr-neg55.0%

      \[\leadsto \frac{\frac{2}{\left(\frac{{t}^{3}}{\color{blue}{\left(-\ell\right) \cdot \left(-\ell\right)}} \cdot \sin k\right) \cdot \tan k}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    3. associate-*l*51.1%

      \[\leadsto \frac{\frac{2}{\color{blue}{\frac{{t}^{3}}{\left(-\ell\right) \cdot \left(-\ell\right)} \cdot \left(\sin k \cdot \tan k\right)}}}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1} \]
    4. sqr-neg51.1%

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

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

      \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{\color{blue}{1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)}} \]
    7. unpow256.6%

      \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{t} \cdot \frac{k}{t}} + 1\right)} \]
    8. times-frac44.5%

      \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k \cdot k}{t \cdot t}} + 1\right)} \]
    9. sqr-neg44.5%

      \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\frac{k \cdot k}{\color{blue}{\left(-t\right) \cdot \left(-t\right)}} + 1\right)} \]
    10. times-frac56.6%

      \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{\frac{k}{-t} \cdot \frac{k}{-t}} + 1\right)} \]
    11. unpow256.6%

      \[\leadsto \frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{1 + \left(\color{blue}{{\left(\frac{k}{-t}\right)}^{2}} + 1\right)} \]
  3. Simplified56.6%

    \[\leadsto \color{blue}{\frac{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\sin k \cdot \tan k\right)}}{2 + {\left(\frac{k}{t}\right)}^{2}}} \]
  4. Add Preprocessing
  5. Taylor expanded in k around 0 50.3%

    \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
  6. Step-by-step derivation
    1. unpow250.3%

      \[\leadsto \frac{{\ell}^{2}}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
  7. Applied egg-rr50.3%

    \[\leadsto \frac{{\ell}^{2}}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
  8. Step-by-step derivation
    1. expm1-log1p-u36.0%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}\right)\right)} \]
    2. expm1-udef35.5%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}\right)} - 1} \]
    3. add-sqr-sqrt35.2%

      \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{\sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}} \cdot \sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}}}\right)} - 1 \]
    4. pow235.2%

      \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{{\left(\sqrt{\frac{{\ell}^{2}}{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}}\right)} - 1 \]
    5. sqrt-div19.4%

      \[\leadsto e^{\mathsf{log1p}\left({\color{blue}{\left(\frac{\sqrt{{\ell}^{2}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}}^{2}\right)} - 1 \]
    6. unpow219.4%

      \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\sqrt{\color{blue}{\ell \cdot \ell}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
    7. sqrt-prod12.3%

      \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
    8. add-sqr-sqrt20.8%

      \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\color{blue}{\ell}}{\sqrt{\left(k \cdot k\right) \cdot {t}^{3}}}\right)}^{2}\right)} - 1 \]
    9. sqrt-prod21.1%

      \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{\sqrt{k \cdot k} \cdot \sqrt{{t}^{3}}}}\right)}^{2}\right)} - 1 \]
    10. sqrt-prod11.8%

      \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{\left(\sqrt{k} \cdot \sqrt{k}\right)} \cdot \sqrt{{t}^{3}}}\right)}^{2}\right)} - 1 \]
    11. add-sqr-sqrt23.6%

      \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{\color{blue}{k} \cdot \sqrt{{t}^{3}}}\right)}^{2}\right)} - 1 \]
    12. sqrt-pow124.3%

      \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot \color{blue}{{t}^{\left(\frac{3}{2}\right)}}}\right)}^{2}\right)} - 1 \]
    13. metadata-eval24.3%

      \[\leadsto e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{\color{blue}{1.5}}}\right)}^{2}\right)} - 1 \]
  9. Applied egg-rr24.3%

    \[\leadsto \color{blue}{e^{\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\right)} - 1} \]
  10. Step-by-step derivation
    1. expm1-def25.3%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left({\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}\right)\right)} \]
    2. expm1-log1p25.4%

      \[\leadsto \color{blue}{{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}} \]
  11. Simplified25.4%

    \[\leadsto \color{blue}{{\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2}} \]
  12. Final simplification25.4%

    \[\leadsto {\left(\frac{\ell}{k \cdot {t}^{1.5}}\right)}^{2} \]
  13. Add Preprocessing

Reproduce

?
herbie shell --seed 2024017 
(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))))