Toniolo and Linder, Equation (10+)

Percentage Accurate: 52.9% → 87.0%
Time: 16.5s
Alternatives: 16
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 16 alternatives:

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

Initial Program: 52.9% 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: 87.0% accurate, 0.5× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;t\_m \leq 1.12 \cdot 10^{-189}:\\ \;\;\;\;\frac{2}{\frac{\frac{{k}^{2} \cdot \left(t\_m \cdot {\sin k}^{2}\right)}{\ell \cdot \cos k}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{{\left(\frac{t\_m}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \left(\sqrt[3]{\sin k} \cdot \sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t\_m}\right)}^{2}\right)}\right)\right)}^{3}}\\ \end{array} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= t_m 1.12e-189)
    (/ 2.0 (/ (/ (* (pow k 2.0) (* t_m (pow (sin k) 2.0))) (* l (cos k))) l))
    (/
     2.0
     (pow
      (*
       (/ t_m (pow (cbrt l) 2.0))
       (* (cbrt (sin k)) (cbrt (* (tan k) (+ 2.0 (pow (/ k t_m) 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 tmp;
	if (t_m <= 1.12e-189) {
		tmp = 2.0 / (((pow(k, 2.0) * (t_m * pow(sin(k), 2.0))) / (l * cos(k))) / l);
	} else {
		tmp = 2.0 / pow(((t_m / pow(cbrt(l), 2.0)) * (cbrt(sin(k)) * cbrt((tan(k) * (2.0 + pow((k / t_m), 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 tmp;
	if (t_m <= 1.12e-189) {
		tmp = 2.0 / (((Math.pow(k, 2.0) * (t_m * Math.pow(Math.sin(k), 2.0))) / (l * Math.cos(k))) / l);
	} else {
		tmp = 2.0 / Math.pow(((t_m / Math.pow(Math.cbrt(l), 2.0)) * (Math.cbrt(Math.sin(k)) * Math.cbrt((Math.tan(k) * (2.0 + Math.pow((k / t_m), 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)
	tmp = 0.0
	if (t_m <= 1.12e-189)
		tmp = Float64(2.0 / Float64(Float64(Float64((k ^ 2.0) * Float64(t_m * (sin(k) ^ 2.0))) / Float64(l * cos(k))) / l));
	else
		tmp = Float64(2.0 / (Float64(Float64(t_m / (cbrt(l) ^ 2.0)) * Float64(cbrt(sin(k)) * cbrt(Float64(tan(k) * Float64(2.0 + (Float64(k / t_m) ^ 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_] := N[(t$95$s * If[LessEqual[t$95$m, 1.12e-189], N[(2.0 / N[(N[(N[(N[Power[k, 2.0], $MachinePrecision] * N[(t$95$m * N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(l * N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[Power[N[(N[(t$95$m / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] * N[(N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision] * N[Power[N[(N[Tan[k], $MachinePrecision] * N[(2.0 + N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 3.0], $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 1.12 \cdot 10^{-189}:\\
\;\;\;\;\frac{2}{\frac{\frac{{k}^{2} \cdot \left(t\_m \cdot {\sin k}^{2}\right)}{\ell \cdot \cos k}}{\ell}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < 1.12000000000000002e-189

    1. Initial program 53.0%

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

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/57.3%

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

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    6. Taylor expanded in t around 0 67.4%

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

    if 1.12000000000000002e-189 < t

    1. Initial program 61.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified61.5%

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-/r*55.7%

        \[\leadsto \frac{2}{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      2. metadata-eval55.7%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(\color{blue}{\left(1 + 1\right)} + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \]
      3. associate-+r+55.7%

        \[\leadsto \frac{2}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
      4. associate-*l*55.7%

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

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
      6. add-cube-cbrt61.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\sqrt[3]{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \cdot \sqrt[3]{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}\right) \cdot \sqrt[3]{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}}} \]
      7. pow361.3%

        \[\leadsto \frac{2}{\color{blue}{{\left(\sqrt[3]{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}\right)}^{3}}} \]
    5. Applied egg-rr79.8%

      \[\leadsto \frac{2}{\color{blue}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}\right)}^{3}}} \]
    6. Step-by-step derivation
      1. pow1/368.0%

        \[\leadsto \frac{2}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \color{blue}{{\left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}^{0.3333333333333333}}\right)}^{3}} \]
      2. associate-*l*68.6%

        \[\leadsto \frac{2}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot {\color{blue}{\left(\sin k \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}}^{0.3333333333333333}\right)}^{3}} \]
      3. unpow-prod-down44.3%

        \[\leadsto \frac{2}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \color{blue}{\left({\sin k}^{0.3333333333333333} \cdot {\left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}^{0.3333333333333333}\right)}\right)}^{3}} \]
      4. pow1/353.2%

        \[\leadsto \frac{2}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \left(\color{blue}{\sqrt[3]{\sin k}} \cdot {\left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}^{0.3333333333333333}\right)\right)}^{3}} \]
    7. Applied egg-rr53.2%

      \[\leadsto \frac{2}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \color{blue}{\left(\sqrt[3]{\sin k} \cdot {\left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}^{0.3333333333333333}\right)}\right)}^{3}} \]
    8. Step-by-step derivation
      1. unpow1/391.8%

        \[\leadsto \frac{2}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \left(\sqrt[3]{\sin k} \cdot \color{blue}{\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}}\right)\right)}^{3}} \]
    9. Simplified91.8%

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

Alternative 2: 81.8% accurate, 0.7× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;t\_m \leq 5.5 \cdot 10^{-116}:\\ \;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(\frac{t\_m}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\sin k \cdot {\left(\frac{t\_m}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right) \cdot \left(\tan k \cdot \left(1 + \left({\left(\frac{k}{t\_m}\right)}^{2} + 1\right)\right)\right)}\\ \end{array} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= t_m 5.5e-116)
    (/ 2.0 (/ (* (pow k 2.0) (* (/ t_m l) (/ (pow (sin k) 2.0) (cos k)))) l))
    (/
     2.0
     (*
      (* (sin k) (pow (/ t_m (pow (cbrt l) 2.0)) 3.0))
      (* (tan k) (+ 1.0 (+ (pow (/ k t_m) 2.0) 1.0))))))))
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-116) {
		tmp = 2.0 / ((pow(k, 2.0) * ((t_m / l) * (pow(sin(k), 2.0) / cos(k)))) / l);
	} else {
		tmp = 2.0 / ((sin(k) * pow((t_m / pow(cbrt(l), 2.0)), 3.0)) * (tan(k) * (1.0 + (pow((k / t_m), 2.0) + 1.0))));
	}
	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-116) {
		tmp = 2.0 / ((Math.pow(k, 2.0) * ((t_m / l) * (Math.pow(Math.sin(k), 2.0) / Math.cos(k)))) / l);
	} else {
		tmp = 2.0 / ((Math.sin(k) * Math.pow((t_m / Math.pow(Math.cbrt(l), 2.0)), 3.0)) * (Math.tan(k) * (1.0 + (Math.pow((k / t_m), 2.0) + 1.0))));
	}
	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-116)
		tmp = Float64(2.0 / Float64(Float64((k ^ 2.0) * Float64(Float64(t_m / l) * Float64((sin(k) ^ 2.0) / cos(k)))) / l));
	else
		tmp = Float64(2.0 / Float64(Float64(sin(k) * (Float64(t_m / (cbrt(l) ^ 2.0)) ^ 3.0)) * Float64(tan(k) * Float64(1.0 + Float64((Float64(k / t_m) ^ 2.0) + 1.0)))));
	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-116], N[(2.0 / N[(N[(N[Power[k, 2.0], $MachinePrecision] * N[(N[(t$95$m / l), $MachinePrecision] * N[(N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision] / N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[Sin[k], $MachinePrecision] * N[Power[N[(t$95$m / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[(1.0 + N[(N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision] + 1.0), $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}\;t\_m \leq 5.5 \cdot 10^{-116}:\\
\;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(\frac{t\_m}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}{\ell}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < 5.4999999999999998e-116

    1. Initial program 51.1%

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

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/56.3%

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

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

      \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{\ell \cdot \cos k}}}{\ell}} \]
    7. Step-by-step derivation
      1. associate-/l*66.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\ell \cdot \cos k}}}{\ell}} \]
      2. times-frac68.6%

        \[\leadsto \frac{2}{\frac{{k}^{2} \cdot \color{blue}{\left(\frac{t}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}}{\ell}} \]
    8. Simplified68.6%

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

    if 5.4999999999999998e-116 < t

    1. Initial program 66.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified66.9%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-/r*70.9%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      2. add-cube-cbrt70.8%

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

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)\right)} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      4. associate-/r*66.9%

        \[\leadsto \frac{2}{\left(\left(\sqrt[3]{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      5. cbrt-div66.8%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell \cdot \ell}}} \cdot \left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      6. rem-cbrt-cube66.8%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell \cdot \ell}} \cdot \left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      7. cbrt-prod70.8%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}} \cdot \left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      8. pow270.8%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}} \cdot \left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      9. pow270.8%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \color{blue}{{\left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)}^{2}}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      10. associate-/r*66.8%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot {\left(\sqrt[3]{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}}\right)}^{2}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      11. cbrt-div66.7%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot {\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell \cdot \ell}}\right)}}^{2}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      12. rem-cbrt-cube75.8%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot {\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell \cdot \ell}}\right)}^{2}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      13. cbrt-prod89.8%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot {\left(\frac{t}{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}\right)}^{2}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      14. pow289.8%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot {\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{2}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
    5. Applied egg-rr89.8%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{2}\right)} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
    6. Step-by-step derivation
      1. unpow289.8%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \color{blue}{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      2. cube-mult89.8%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
    7. Simplified89.8%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification75.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 5.5 \cdot 10^{-116}:\\ \;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(\frac{t}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right) \cdot \left(\tan k \cdot \left(1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\right)\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 80.1% accurate, 0.8× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;t\_m \leq 6.8 \cdot 10^{-117}:\\ \;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(\frac{t\_m}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(1 + \left({\left(\frac{k}{t\_m}\right)}^{2} + 1\right)\right)\right) \cdot \left(\sin k \cdot {\left(\frac{{t\_m}^{1.5}}{\ell}\right)}^{2}\right)}\\ \end{array} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= t_m 6.8e-117)
    (/ 2.0 (/ (* (pow k 2.0) (* (/ t_m l) (/ (pow (sin k) 2.0) (cos k)))) l))
    (/
     2.0
     (*
      (* (tan k) (+ 1.0 (+ (pow (/ k t_m) 2.0) 1.0)))
      (* (sin k) (pow (/ (pow t_m 1.5) l) 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 <= 6.8e-117) {
		tmp = 2.0 / ((pow(k, 2.0) * ((t_m / l) * (pow(sin(k), 2.0) / cos(k)))) / l);
	} else {
		tmp = 2.0 / ((tan(k) * (1.0 + (pow((k / t_m), 2.0) + 1.0))) * (sin(k) * pow((pow(t_m, 1.5) / l), 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 <= 6.8d-117) then
        tmp = 2.0d0 / (((k ** 2.0d0) * ((t_m / l) * ((sin(k) ** 2.0d0) / cos(k)))) / l)
    else
        tmp = 2.0d0 / ((tan(k) * (1.0d0 + (((k / t_m) ** 2.0d0) + 1.0d0))) * (sin(k) * (((t_m ** 1.5d0) / l) ** 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 <= 6.8e-117) {
		tmp = 2.0 / ((Math.pow(k, 2.0) * ((t_m / l) * (Math.pow(Math.sin(k), 2.0) / Math.cos(k)))) / l);
	} else {
		tmp = 2.0 / ((Math.tan(k) * (1.0 + (Math.pow((k / t_m), 2.0) + 1.0))) * (Math.sin(k) * Math.pow((Math.pow(t_m, 1.5) / l), 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 <= 6.8e-117:
		tmp = 2.0 / ((math.pow(k, 2.0) * ((t_m / l) * (math.pow(math.sin(k), 2.0) / math.cos(k)))) / l)
	else:
		tmp = 2.0 / ((math.tan(k) * (1.0 + (math.pow((k / t_m), 2.0) + 1.0))) * (math.sin(k) * math.pow((math.pow(t_m, 1.5) / l), 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 <= 6.8e-117)
		tmp = Float64(2.0 / Float64(Float64((k ^ 2.0) * Float64(Float64(t_m / l) * Float64((sin(k) ^ 2.0) / cos(k)))) / l));
	else
		tmp = Float64(2.0 / Float64(Float64(tan(k) * Float64(1.0 + Float64((Float64(k / t_m) ^ 2.0) + 1.0))) * Float64(sin(k) * (Float64((t_m ^ 1.5) / l) ^ 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 <= 6.8e-117)
		tmp = 2.0 / (((k ^ 2.0) * ((t_m / l) * ((sin(k) ^ 2.0) / cos(k)))) / l);
	else
		tmp = 2.0 / ((tan(k) * (1.0 + (((k / t_m) ^ 2.0) + 1.0))) * (sin(k) * (((t_m ^ 1.5) / l) ^ 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, 6.8e-117], N[(2.0 / N[(N[(N[Power[k, 2.0], $MachinePrecision] * N[(N[(t$95$m / l), $MachinePrecision] * N[(N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision] / N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(1.0 + N[(N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[Power[N[(N[Power[t$95$m, 1.5], $MachinePrecision] / l), $MachinePrecision], 2.0], $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}\;t\_m \leq 6.8 \cdot 10^{-117}:\\
\;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(\frac{t\_m}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}{\ell}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < 6.80000000000000069e-117

    1. Initial program 51.1%

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

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/56.3%

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

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

      \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{\ell \cdot \cos k}}}{\ell}} \]
    7. Step-by-step derivation
      1. associate-/l*66.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\ell \cdot \cos k}}}{\ell}} \]
      2. times-frac68.6%

        \[\leadsto \frac{2}{\frac{{k}^{2} \cdot \color{blue}{\left(\frac{t}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}}{\ell}} \]
    8. Simplified68.6%

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

    if 6.80000000000000069e-117 < t

    1. Initial program 66.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified66.9%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-/r*70.9%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      2. add-sqr-sqrt70.9%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      3. pow270.9%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)}^{2}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      4. associate-/r*66.9%

        \[\leadsto \frac{2}{\left({\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      5. sqrt-div66.9%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}\right)}}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      6. sqrt-pow175.9%

        \[\leadsto \frac{2}{\left({\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      7. metadata-eval75.9%

        \[\leadsto \frac{2}{\left({\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      8. sqrt-prod48.5%

        \[\leadsto \frac{2}{\left({\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      9. add-sqr-sqrt89.1%

        \[\leadsto \frac{2}{\left({\left(\frac{{t}^{1.5}}{\color{blue}{\ell}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
    5. Applied egg-rr89.1%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification75.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 6.8 \cdot 10^{-117}:\\ \;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(\frac{t}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\right)\right) \cdot \left(\sin k \cdot {\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 79.9% accurate, 1.0× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;t\_m \leq 2 \cdot 10^{-116}:\\ \;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(\frac{t\_m}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}{\ell}}\\ \mathbf{elif}\;t\_m \leq 5.2 \cdot 10^{+137}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(1 + \left({\left(\frac{k}{t\_m}\right)}^{2} + 1\right)\right)\right) \cdot \left(\sin k \cdot \left(\frac{t\_m}{\ell} \cdot \frac{{t\_m}^{2}}{\ell}\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t\_m \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\ \end{array} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= t_m 2e-116)
    (/ 2.0 (/ (* (pow k 2.0) (* (/ t_m l) (/ (pow (sin k) 2.0) (cos k)))) l))
    (if (<= t_m 5.2e+137)
      (/
       2.0
       (*
        (* (tan k) (+ 1.0 (+ (pow (/ k t_m) 2.0) 1.0)))
        (* (sin k) (* (/ t_m l) (/ (pow t_m 2.0) l)))))
      (/ 2.0 (/ (* 2.0 (/ (pow (* t_m (pow (cbrt k) 2.0)) 3.0) l)) l))))))
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-116) {
		tmp = 2.0 / ((pow(k, 2.0) * ((t_m / l) * (pow(sin(k), 2.0) / cos(k)))) / l);
	} else if (t_m <= 5.2e+137) {
		tmp = 2.0 / ((tan(k) * (1.0 + (pow((k / t_m), 2.0) + 1.0))) * (sin(k) * ((t_m / l) * (pow(t_m, 2.0) / l))));
	} else {
		tmp = 2.0 / ((2.0 * (pow((t_m * pow(cbrt(k), 2.0)), 3.0) / l)) / l);
	}
	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 <= 2e-116) {
		tmp = 2.0 / ((Math.pow(k, 2.0) * ((t_m / l) * (Math.pow(Math.sin(k), 2.0) / Math.cos(k)))) / l);
	} else if (t_m <= 5.2e+137) {
		tmp = 2.0 / ((Math.tan(k) * (1.0 + (Math.pow((k / t_m), 2.0) + 1.0))) * (Math.sin(k) * ((t_m / l) * (Math.pow(t_m, 2.0) / l))));
	} else {
		tmp = 2.0 / ((2.0 * (Math.pow((t_m * Math.pow(Math.cbrt(k), 2.0)), 3.0) / l)) / l);
	}
	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-116)
		tmp = Float64(2.0 / Float64(Float64((k ^ 2.0) * Float64(Float64(t_m / l) * Float64((sin(k) ^ 2.0) / cos(k)))) / l));
	elseif (t_m <= 5.2e+137)
		tmp = Float64(2.0 / Float64(Float64(tan(k) * Float64(1.0 + Float64((Float64(k / t_m) ^ 2.0) + 1.0))) * Float64(sin(k) * Float64(Float64(t_m / l) * Float64((t_m ^ 2.0) / l)))));
	else
		tmp = Float64(2.0 / Float64(Float64(2.0 * Float64((Float64(t_m * (cbrt(k) ^ 2.0)) ^ 3.0) / l)) / l));
	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, 2e-116], N[(2.0 / N[(N[(N[Power[k, 2.0], $MachinePrecision] * N[(N[(t$95$m / l), $MachinePrecision] * N[(N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision] / N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$m, 5.2e+137], N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * N[(1.0 + N[(N[Power[N[(k / t$95$m), $MachinePrecision], 2.0], $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[(t$95$m / l), $MachinePrecision] * N[(N[Power[t$95$m, 2.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(2.0 * N[(N[Power[N[(t$95$m * N[Power[N[Power[k, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $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^{-116}:\\
\;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(\frac{t\_m}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}{\ell}}\\

\mathbf{elif}\;t\_m \leq 5.2 \cdot 10^{+137}:\\
\;\;\;\;\frac{2}{\left(\tan k \cdot \left(1 + \left({\left(\frac{k}{t\_m}\right)}^{2} + 1\right)\right)\right) \cdot \left(\sin k \cdot \left(\frac{t\_m}{\ell} \cdot \frac{{t\_m}^{2}}{\ell}\right)\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < 2e-116

    1. Initial program 51.1%

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

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/56.3%

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

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

      \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{\ell \cdot \cos k}}}{\ell}} \]
    7. Step-by-step derivation
      1. associate-/l*66.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\ell \cdot \cos k}}}{\ell}} \]
      2. times-frac68.6%

        \[\leadsto \frac{2}{\frac{{k}^{2} \cdot \color{blue}{\left(\frac{t}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}}{\ell}} \]
    8. Simplified68.6%

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

    if 2e-116 < t < 5.1999999999999998e137

    1. Initial program 64.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified64.0%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. unpow364.0%

        \[\leadsto \frac{2}{\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      2. times-frac88.9%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{t \cdot t}{\ell} \cdot \frac{t}{\ell}\right)} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      3. pow288.9%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{{t}^{2}}}{\ell} \cdot \frac{t}{\ell}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
    5. Applied egg-rr88.9%

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

    if 5.1999999999999998e137 < t

    1. Initial program 72.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified58.0%

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/58.0%

        \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    5. Applied egg-rr58.0%

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

      \[\leadsto \frac{2}{\frac{\color{blue}{2 \cdot \frac{{k}^{2} \cdot {t}^{3}}{\ell}}}{\ell}} \]
    7. Step-by-step derivation
      1. add-cube-cbrt58.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{\left(\sqrt[3]{{k}^{2} \cdot {t}^{3}} \cdot \sqrt[3]{{k}^{2} \cdot {t}^{3}}\right) \cdot \sqrt[3]{{k}^{2} \cdot {t}^{3}}}}{\ell}}{\ell}} \]
      2. pow358.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left(\sqrt[3]{{k}^{2} \cdot {t}^{3}}\right)}^{3}}}{\ell}}{\ell}} \]
      3. *-commutative58.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot {k}^{2}}}\right)}^{3}}{\ell}}{\ell}} \]
      4. cbrt-prod58.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{{k}^{2}}\right)}}^{3}}{\ell}}{\ell}} \]
      5. rem-cbrt-cube62.2%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(\color{blue}{t} \cdot \sqrt[3]{{k}^{2}}\right)}^{3}}{\ell}}{\ell}} \]
      6. unpow262.2%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \sqrt[3]{\color{blue}{k \cdot k}}\right)}^{3}}{\ell}}{\ell}} \]
      7. cbrt-prod82.9%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \color{blue}{\left(\sqrt[3]{k} \cdot \sqrt[3]{k}\right)}\right)}^{3}}{\ell}}{\ell}} \]
      8. pow282.9%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \color{blue}{{\left(\sqrt[3]{k}\right)}^{2}}\right)}^{3}}{\ell}}{\ell}} \]
    8. Applied egg-rr82.9%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left(t \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}}{\ell}}{\ell}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification74.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 2 \cdot 10^{-116}:\\ \;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(\frac{t}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}{\ell}}\\ \mathbf{elif}\;t \leq 5.2 \cdot 10^{+137}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\right)\right) \cdot \left(\sin k \cdot \left(\frac{t}{\ell} \cdot \frac{{t}^{2}}{\ell}\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 71.6% accurate, 1.0× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;k \leq 1.6 \cdot 10^{-92}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t\_m \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\ \mathbf{elif}\;k \leq 8000000000000:\\ \;\;\;\;\frac{2}{\left(k \cdot {\left(t\_m \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}\right) \cdot \left(2 \cdot k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{\frac{{k}^{2} \cdot \left(t\_m \cdot {\sin k}^{2}\right)}{\ell \cdot \cos k}}{\ell}}\\ \end{array} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= k 1.6e-92)
    (/ 2.0 (/ (* 2.0 (/ (pow (* t_m (pow (cbrt k) 2.0)) 3.0) l)) l))
    (if (<= k 8000000000000.0)
      (/ 2.0 (* (* k (pow (* t_m (pow (cbrt l) -2.0)) 3.0)) (* 2.0 k)))
      (/
       2.0
       (/ (/ (* (pow k 2.0) (* t_m (pow (sin k) 2.0))) (* l (cos k))) l))))))
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 <= 1.6e-92) {
		tmp = 2.0 / ((2.0 * (pow((t_m * pow(cbrt(k), 2.0)), 3.0) / l)) / l);
	} else if (k <= 8000000000000.0) {
		tmp = 2.0 / ((k * pow((t_m * pow(cbrt(l), -2.0)), 3.0)) * (2.0 * k));
	} else {
		tmp = 2.0 / (((pow(k, 2.0) * (t_m * pow(sin(k), 2.0))) / (l * cos(k))) / l);
	}
	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 (k <= 1.6e-92) {
		tmp = 2.0 / ((2.0 * (Math.pow((t_m * Math.pow(Math.cbrt(k), 2.0)), 3.0) / l)) / l);
	} else if (k <= 8000000000000.0) {
		tmp = 2.0 / ((k * Math.pow((t_m * Math.pow(Math.cbrt(l), -2.0)), 3.0)) * (2.0 * k));
	} else {
		tmp = 2.0 / (((Math.pow(k, 2.0) * (t_m * Math.pow(Math.sin(k), 2.0))) / (l * Math.cos(k))) / l);
	}
	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 <= 1.6e-92)
		tmp = Float64(2.0 / Float64(Float64(2.0 * Float64((Float64(t_m * (cbrt(k) ^ 2.0)) ^ 3.0) / l)) / l));
	elseif (k <= 8000000000000.0)
		tmp = Float64(2.0 / Float64(Float64(k * (Float64(t_m * (cbrt(l) ^ -2.0)) ^ 3.0)) * Float64(2.0 * k)));
	else
		tmp = Float64(2.0 / Float64(Float64(Float64((k ^ 2.0) * Float64(t_m * (sin(k) ^ 2.0))) / Float64(l * cos(k))) / l));
	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[k, 1.6e-92], N[(2.0 / N[(N[(2.0 * N[(N[Power[N[(t$95$m * N[Power[N[Power[k, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], If[LessEqual[k, 8000000000000.0], N[(2.0 / N[(N[(k * N[Power[N[(t$95$m * N[Power[N[Power[l, 1/3], $MachinePrecision], -2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[(N[Power[k, 2.0], $MachinePrecision] * N[(t$95$m * N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(l * N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $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 1.6 \cdot 10^{-92}:\\
\;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t\_m \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\

\mathbf{elif}\;k \leq 8000000000000:\\
\;\;\;\;\frac{2}{\left(k \cdot {\left(t\_m \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}\right) \cdot \left(2 \cdot k\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if k < 1.5999999999999998e-92

    1. Initial program 56.6%

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

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/59.7%

        \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    5. Applied egg-rr59.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    6. Taylor expanded in k around 0 54.4%

      \[\leadsto \frac{2}{\frac{\color{blue}{2 \cdot \frac{{k}^{2} \cdot {t}^{3}}{\ell}}}{\ell}} \]
    7. Step-by-step derivation
      1. add-cube-cbrt54.4%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{\left(\sqrt[3]{{k}^{2} \cdot {t}^{3}} \cdot \sqrt[3]{{k}^{2} \cdot {t}^{3}}\right) \cdot \sqrt[3]{{k}^{2} \cdot {t}^{3}}}}{\ell}}{\ell}} \]
      2. pow354.4%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left(\sqrt[3]{{k}^{2} \cdot {t}^{3}}\right)}^{3}}}{\ell}}{\ell}} \]
      3. *-commutative54.4%

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

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{{k}^{2}}\right)}}^{3}}{\ell}}{\ell}} \]
      5. rem-cbrt-cube63.6%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(\color{blue}{t} \cdot \sqrt[3]{{k}^{2}}\right)}^{3}}{\ell}}{\ell}} \]
      6. unpow263.6%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \sqrt[3]{\color{blue}{k \cdot k}}\right)}^{3}}{\ell}}{\ell}} \]
      7. cbrt-prod71.5%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \color{blue}{\left(\sqrt[3]{k} \cdot \sqrt[3]{k}\right)}\right)}^{3}}{\ell}}{\ell}} \]
      8. pow271.5%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \color{blue}{{\left(\sqrt[3]{k}\right)}^{2}}\right)}^{3}}{\ell}}{\ell}} \]
    8. Applied egg-rr71.5%

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

    if 1.5999999999999998e-92 < k < 8e12

    1. Initial program 51.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified51.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Taylor expanded in k around 0 68.7%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Step-by-step derivation
      1. *-commutative68.7%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    6. Simplified68.7%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    7. Step-by-step derivation
      1. associate-/r*72.5%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      2. div-inv72.5%

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

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \sqrt{\frac{{t}^{3}}{\ell}}\right)} \cdot \frac{1}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      4. associate-*l*34.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      5. sqrt-div26.3%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      6. sqrt-pow126.3%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      7. metadata-eval26.3%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      8. sqrt-div26.3%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      9. sqrt-pow126.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      10. metadata-eval26.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    8. Applied egg-rr26.2%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    9. Step-by-step derivation
      1. associate-*r/26.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot 1}{\ell}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      2. *-rgt-identity26.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{\color{blue}{\frac{{t}^{1.5}}{\sqrt{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      3. associate-/l/26.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    10. Simplified26.2%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    11. Taylor expanded in k around 0 68.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(k \cdot 2\right)} \]
    12. Step-by-step derivation
      1. associate-/l*68.7%

        \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
    13. Simplified68.7%

      \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
    14. Step-by-step derivation
      1. rem-cube-cbrt68.5%

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

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

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{\color{blue}{t}}{\sqrt[3]{{\ell}^{2}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      4. unpow269.3%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{t}{\sqrt[3]{\color{blue}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      5. cbrt-prod83.0%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{t}{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      6. unpow283.0%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      7. div-inv83.0%

        \[\leadsto \frac{2}{\left(k \cdot {\color{blue}{\left(t \cdot \frac{1}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      8. unpow-prod-down68.0%

        \[\leadsto \frac{2}{\left(k \cdot \color{blue}{\left({t}^{3} \cdot {\left(\frac{1}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}\right) \cdot \left(k \cdot 2\right)} \]
      9. pow-flip68.0%

        \[\leadsto \frac{2}{\left(k \cdot \left({t}^{3} \cdot {\color{blue}{\left({\left(\sqrt[3]{\ell}\right)}^{\left(-2\right)}\right)}}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
      10. metadata-eval68.0%

        \[\leadsto \frac{2}{\left(k \cdot \left({t}^{3} \cdot {\left({\left(\sqrt[3]{\ell}\right)}^{\color{blue}{-2}}\right)}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
    15. Applied egg-rr68.0%

      \[\leadsto \frac{2}{\left(k \cdot \color{blue}{\left({t}^{3} \cdot {\left({\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}\right)}\right) \cdot \left(k \cdot 2\right)} \]
    16. Step-by-step derivation
      1. cube-prod83.1%

        \[\leadsto \frac{2}{\left(k \cdot \color{blue}{{\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}}\right) \cdot \left(k \cdot 2\right)} \]
    17. Simplified83.1%

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

    if 8e12 < k

    1. Initial program 56.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified58.6%

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

        \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    5. Applied egg-rr58.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    6. Taylor expanded in t around 0 71.4%

      \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{\ell \cdot \cos k}}}{\ell}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification72.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.6 \cdot 10^{-92}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\ \mathbf{elif}\;k \leq 8000000000000:\\ \;\;\;\;\frac{2}{\left(k \cdot {\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}\right) \cdot \left(2 \cdot k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{\ell \cdot \cos k}}{\ell}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 71.3% accurate, 1.0× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;k \leq 8.2 \cdot 10^{-93}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t\_m \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\ \mathbf{elif}\;k \leq 12000000000000:\\ \;\;\;\;\frac{2}{\left(k \cdot {\left(t\_m \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}\right) \cdot \left(2 \cdot k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(\frac{t\_m}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}{\ell}}\\ \end{array} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= k 8.2e-93)
    (/ 2.0 (/ (* 2.0 (/ (pow (* t_m (pow (cbrt k) 2.0)) 3.0) l)) l))
    (if (<= k 12000000000000.0)
      (/ 2.0 (* (* k (pow (* t_m (pow (cbrt l) -2.0)) 3.0)) (* 2.0 k)))
      (/
       2.0
       (/ (* (pow k 2.0) (* (/ t_m l) (/ (pow (sin k) 2.0) (cos k)))) l))))))
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 <= 8.2e-93) {
		tmp = 2.0 / ((2.0 * (pow((t_m * pow(cbrt(k), 2.0)), 3.0) / l)) / l);
	} else if (k <= 12000000000000.0) {
		tmp = 2.0 / ((k * pow((t_m * pow(cbrt(l), -2.0)), 3.0)) * (2.0 * k));
	} else {
		tmp = 2.0 / ((pow(k, 2.0) * ((t_m / l) * (pow(sin(k), 2.0) / cos(k)))) / l);
	}
	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 (k <= 8.2e-93) {
		tmp = 2.0 / ((2.0 * (Math.pow((t_m * Math.pow(Math.cbrt(k), 2.0)), 3.0) / l)) / l);
	} else if (k <= 12000000000000.0) {
		tmp = 2.0 / ((k * Math.pow((t_m * Math.pow(Math.cbrt(l), -2.0)), 3.0)) * (2.0 * k));
	} else {
		tmp = 2.0 / ((Math.pow(k, 2.0) * ((t_m / l) * (Math.pow(Math.sin(k), 2.0) / Math.cos(k)))) / l);
	}
	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 <= 8.2e-93)
		tmp = Float64(2.0 / Float64(Float64(2.0 * Float64((Float64(t_m * (cbrt(k) ^ 2.0)) ^ 3.0) / l)) / l));
	elseif (k <= 12000000000000.0)
		tmp = Float64(2.0 / Float64(Float64(k * (Float64(t_m * (cbrt(l) ^ -2.0)) ^ 3.0)) * Float64(2.0 * k)));
	else
		tmp = Float64(2.0 / Float64(Float64((k ^ 2.0) * Float64(Float64(t_m / l) * Float64((sin(k) ^ 2.0) / cos(k)))) / l));
	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[k, 8.2e-93], N[(2.0 / N[(N[(2.0 * N[(N[Power[N[(t$95$m * N[Power[N[Power[k, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], If[LessEqual[k, 12000000000000.0], N[(2.0 / N[(N[(k * N[Power[N[(t$95$m * N[Power[N[Power[l, 1/3], $MachinePrecision], -2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[Power[k, 2.0], $MachinePrecision] * N[(N[(t$95$m / l), $MachinePrecision] * N[(N[Power[N[Sin[k], $MachinePrecision], 2.0], $MachinePrecision] / N[Cos[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / l), $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 8.2 \cdot 10^{-93}:\\
\;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t\_m \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\

\mathbf{elif}\;k \leq 12000000000000:\\
\;\;\;\;\frac{2}{\left(k \cdot {\left(t\_m \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}\right) \cdot \left(2 \cdot k\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if k < 8.1999999999999998e-93

    1. Initial program 56.6%

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

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/59.7%

        \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    5. Applied egg-rr59.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    6. Taylor expanded in k around 0 54.4%

      \[\leadsto \frac{2}{\frac{\color{blue}{2 \cdot \frac{{k}^{2} \cdot {t}^{3}}{\ell}}}{\ell}} \]
    7. Step-by-step derivation
      1. add-cube-cbrt54.4%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{\left(\sqrt[3]{{k}^{2} \cdot {t}^{3}} \cdot \sqrt[3]{{k}^{2} \cdot {t}^{3}}\right) \cdot \sqrt[3]{{k}^{2} \cdot {t}^{3}}}}{\ell}}{\ell}} \]
      2. pow354.4%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left(\sqrt[3]{{k}^{2} \cdot {t}^{3}}\right)}^{3}}}{\ell}}{\ell}} \]
      3. *-commutative54.4%

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

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{{k}^{2}}\right)}}^{3}}{\ell}}{\ell}} \]
      5. rem-cbrt-cube63.6%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(\color{blue}{t} \cdot \sqrt[3]{{k}^{2}}\right)}^{3}}{\ell}}{\ell}} \]
      6. unpow263.6%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \sqrt[3]{\color{blue}{k \cdot k}}\right)}^{3}}{\ell}}{\ell}} \]
      7. cbrt-prod71.5%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \color{blue}{\left(\sqrt[3]{k} \cdot \sqrt[3]{k}\right)}\right)}^{3}}{\ell}}{\ell}} \]
      8. pow271.5%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \color{blue}{{\left(\sqrt[3]{k}\right)}^{2}}\right)}^{3}}{\ell}}{\ell}} \]
    8. Applied egg-rr71.5%

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

    if 8.1999999999999998e-93 < k < 1.2e13

    1. Initial program 51.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified51.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Taylor expanded in k around 0 68.7%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Step-by-step derivation
      1. *-commutative68.7%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    6. Simplified68.7%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    7. Step-by-step derivation
      1. associate-/r*72.5%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      2. div-inv72.5%

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

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \sqrt{\frac{{t}^{3}}{\ell}}\right)} \cdot \frac{1}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      4. associate-*l*34.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      5. sqrt-div26.3%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      6. sqrt-pow126.3%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      7. metadata-eval26.3%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      8. sqrt-div26.3%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      9. sqrt-pow126.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      10. metadata-eval26.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    8. Applied egg-rr26.2%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    9. Step-by-step derivation
      1. associate-*r/26.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot 1}{\ell}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      2. *-rgt-identity26.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{\color{blue}{\frac{{t}^{1.5}}{\sqrt{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      3. associate-/l/26.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    10. Simplified26.2%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    11. Taylor expanded in k around 0 68.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(k \cdot 2\right)} \]
    12. Step-by-step derivation
      1. associate-/l*68.7%

        \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
    13. Simplified68.7%

      \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
    14. Step-by-step derivation
      1. rem-cube-cbrt68.5%

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

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

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{\color{blue}{t}}{\sqrt[3]{{\ell}^{2}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      4. unpow269.3%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{t}{\sqrt[3]{\color{blue}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      5. cbrt-prod83.0%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{t}{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      6. unpow283.0%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      7. div-inv83.0%

        \[\leadsto \frac{2}{\left(k \cdot {\color{blue}{\left(t \cdot \frac{1}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      8. unpow-prod-down68.0%

        \[\leadsto \frac{2}{\left(k \cdot \color{blue}{\left({t}^{3} \cdot {\left(\frac{1}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}\right) \cdot \left(k \cdot 2\right)} \]
      9. pow-flip68.0%

        \[\leadsto \frac{2}{\left(k \cdot \left({t}^{3} \cdot {\color{blue}{\left({\left(\sqrt[3]{\ell}\right)}^{\left(-2\right)}\right)}}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
      10. metadata-eval68.0%

        \[\leadsto \frac{2}{\left(k \cdot \left({t}^{3} \cdot {\left({\left(\sqrt[3]{\ell}\right)}^{\color{blue}{-2}}\right)}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
    15. Applied egg-rr68.0%

      \[\leadsto \frac{2}{\left(k \cdot \color{blue}{\left({t}^{3} \cdot {\left({\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}\right)}\right) \cdot \left(k \cdot 2\right)} \]
    16. Step-by-step derivation
      1. cube-prod83.1%

        \[\leadsto \frac{2}{\left(k \cdot \color{blue}{{\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}}\right) \cdot \left(k \cdot 2\right)} \]
    17. Simplified83.1%

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

    if 1.2e13 < k

    1. Initial program 56.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified58.6%

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

        \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    5. Applied egg-rr58.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    6. Taylor expanded in t around 0 71.4%

      \[\leadsto \frac{2}{\frac{\color{blue}{\frac{{k}^{2} \cdot \left(t \cdot {\sin k}^{2}\right)}{\ell \cdot \cos k}}}{\ell}} \]
    7. Step-by-step derivation
      1. associate-/l*71.3%

        \[\leadsto \frac{2}{\frac{\color{blue}{{k}^{2} \cdot \frac{t \cdot {\sin k}^{2}}{\ell \cdot \cos k}}}{\ell}} \]
      2. times-frac71.3%

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

      \[\leadsto \frac{2}{\frac{\color{blue}{{k}^{2} \cdot \left(\frac{t}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}}{\ell}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification72.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 8.2 \cdot 10^{-93}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\ \mathbf{elif}\;k \leq 12000000000000:\\ \;\;\;\;\frac{2}{\left(k \cdot {\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}\right) \cdot \left(2 \cdot k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{{k}^{2} \cdot \left(\frac{t}{\ell} \cdot \frac{{\sin k}^{2}}{\cos k}\right)}{\ell}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 65.6% accurate, 1.0× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;\ell \leq 7.2 \cdot 10^{+246}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t\_m \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(2 \cdot k\right) \cdot \left(\sin k \cdot \frac{1}{{\left(\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{t\_m}\right)}^{3}}\right)}\\ \end{array} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= l 7.2e+246)
    (/ 2.0 (/ (* 2.0 (/ (pow (* t_m (pow (cbrt k) 2.0)) 3.0) l)) l))
    (/
     2.0
     (* (* 2.0 k) (* (sin k) (/ 1.0 (pow (/ (pow (cbrt l) 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 (l <= 7.2e+246) {
		tmp = 2.0 / ((2.0 * (pow((t_m * pow(cbrt(k), 2.0)), 3.0) / l)) / l);
	} else {
		tmp = 2.0 / ((2.0 * k) * (sin(k) * (1.0 / pow((pow(cbrt(l), 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 (l <= 7.2e+246) {
		tmp = 2.0 / ((2.0 * (Math.pow((t_m * Math.pow(Math.cbrt(k), 2.0)), 3.0) / l)) / l);
	} else {
		tmp = 2.0 / ((2.0 * k) * (Math.sin(k) * (1.0 / Math.pow((Math.pow(Math.cbrt(l), 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 (l <= 7.2e+246)
		tmp = Float64(2.0 / Float64(Float64(2.0 * Float64((Float64(t_m * (cbrt(k) ^ 2.0)) ^ 3.0) / l)) / l));
	else
		tmp = Float64(2.0 / Float64(Float64(2.0 * k) * Float64(sin(k) * Float64(1.0 / (Float64((cbrt(l) ^ 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[l, 7.2e+246], N[(2.0 / N[(N[(2.0 * N[(N[Power[N[(t$95$m * N[Power[N[Power[k, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(2.0 * k), $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(1.0 / N[Power[N[(N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision] / t$95$m), $MachinePrecision], 3.0], $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}\;\ell \leq 7.2 \cdot 10^{+246}:\\
\;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t\_m \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if l < 7.2e246

    1. Initial program 56.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified58.9%

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/59.6%

        \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    5. Applied egg-rr59.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    6. Taylor expanded in k around 0 57.2%

      \[\leadsto \frac{2}{\frac{\color{blue}{2 \cdot \frac{{k}^{2} \cdot {t}^{3}}{\ell}}}{\ell}} \]
    7. Step-by-step derivation
      1. add-cube-cbrt57.1%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{\left(\sqrt[3]{{k}^{2} \cdot {t}^{3}} \cdot \sqrt[3]{{k}^{2} \cdot {t}^{3}}\right) \cdot \sqrt[3]{{k}^{2} \cdot {t}^{3}}}}{\ell}}{\ell}} \]
      2. pow357.1%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left(\sqrt[3]{{k}^{2} \cdot {t}^{3}}\right)}^{3}}}{\ell}}{\ell}} \]
      3. *-commutative57.1%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot {k}^{2}}}\right)}^{3}}{\ell}}{\ell}} \]
      4. cbrt-prod57.1%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{{k}^{2}}\right)}}^{3}}{\ell}}{\ell}} \]
      5. rem-cbrt-cube64.9%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(\color{blue}{t} \cdot \sqrt[3]{{k}^{2}}\right)}^{3}}{\ell}}{\ell}} \]
      6. unpow264.9%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \sqrt[3]{\color{blue}{k \cdot k}}\right)}^{3}}{\ell}}{\ell}} \]
      7. cbrt-prod70.8%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \color{blue}{\left(\sqrt[3]{k} \cdot \sqrt[3]{k}\right)}\right)}^{3}}{\ell}}{\ell}} \]
      8. pow270.8%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \color{blue}{{\left(\sqrt[3]{k}\right)}^{2}}\right)}^{3}}{\ell}}{\ell}} \]
    8. Applied egg-rr70.8%

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

    if 7.2e246 < l

    1. Initial program 43.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified43.5%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Taylor expanded in k around 0 58.1%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Step-by-step derivation
      1. *-commutative58.1%

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

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    7. Step-by-step derivation
      1. unpow358.1%

        \[\leadsto \frac{2}{\left(\frac{\color{blue}{\left(t \cdot t\right) \cdot t}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      2. *-un-lft-identity58.1%

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

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{t \cdot t}{1} \cdot \frac{t}{\ell \cdot \ell}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      4. pow258.1%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{{t}^{2}}}{1} \cdot \frac{t}{\ell \cdot \ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      5. pow258.1%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{2}}{1} \cdot \frac{t}{\color{blue}{{\ell}^{2}}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    8. Applied egg-rr58.1%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{2}}{1} \cdot \frac{t}{{\ell}^{2}}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    9. Step-by-step derivation
      1. /-rgt-identity58.1%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{{t}^{2}} \cdot \frac{t}{{\ell}^{2}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      2. associate-*r/58.1%

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

        \[\leadsto \frac{2}{\left(\frac{\color{blue}{\left(t \cdot t\right)} \cdot t}{{\ell}^{2}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      4. unpow358.1%

        \[\leadsto \frac{2}{\left(\frac{\color{blue}{{t}^{3}}}{{\ell}^{2}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      5. rem-cube-cbrt58.1%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{{\ell}^{2}}}\right)}^{3}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      6. cbrt-div58.1%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{{\ell}^{2}}}\right)}}^{3} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      7. rem-cbrt-cube59.3%

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

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

        \[\leadsto \frac{2}{\left({\left(\frac{t}{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}\right)}^{3} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      10. unpow279.0%

        \[\leadsto \frac{2}{\left({\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      11. clear-num78.9%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\frac{1}{\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{t}}\right)}}^{3} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      12. cube-div79.0%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{{1}^{3}}{{\left(\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{t}\right)}^{3}}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      13. metadata-eval79.0%

        \[\leadsto \frac{2}{\left(\frac{\color{blue}{1}}{{\left(\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{t}\right)}^{3}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    10. Applied egg-rr79.0%

      \[\leadsto \frac{2}{\left(\color{blue}{\frac{1}{{\left(\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{t}\right)}^{3}}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\ell \leq 7.2 \cdot 10^{+246}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(2 \cdot k\right) \cdot \left(\sin k \cdot \frac{1}{{\left(\frac{{\left(\sqrt[3]{\ell}\right)}^{2}}{t}\right)}^{3}}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 65.6% accurate, 1.0× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;\ell \leq 1.15 \cdot 10^{+247}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t\_m \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\sin k \cdot {\left(\frac{t\_m}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right) \cdot \left(2 \cdot k\right)}\\ \end{array} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= l 1.15e+247)
    (/ 2.0 (/ (* 2.0 (/ (pow (* t_m (pow (cbrt k) 2.0)) 3.0) l)) l))
    (/ 2.0 (* (* (sin k) (pow (/ t_m (pow (cbrt l) 2.0)) 3.0)) (* 2.0 k))))))
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 (l <= 1.15e+247) {
		tmp = 2.0 / ((2.0 * (pow((t_m * pow(cbrt(k), 2.0)), 3.0) / l)) / l);
	} else {
		tmp = 2.0 / ((sin(k) * pow((t_m / pow(cbrt(l), 2.0)), 3.0)) * (2.0 * k));
	}
	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 (l <= 1.15e+247) {
		tmp = 2.0 / ((2.0 * (Math.pow((t_m * Math.pow(Math.cbrt(k), 2.0)), 3.0) / l)) / l);
	} else {
		tmp = 2.0 / ((Math.sin(k) * Math.pow((t_m / Math.pow(Math.cbrt(l), 2.0)), 3.0)) * (2.0 * k));
	}
	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 (l <= 1.15e+247)
		tmp = Float64(2.0 / Float64(Float64(2.0 * Float64((Float64(t_m * (cbrt(k) ^ 2.0)) ^ 3.0) / l)) / l));
	else
		tmp = Float64(2.0 / Float64(Float64(sin(k) * (Float64(t_m / (cbrt(l) ^ 2.0)) ^ 3.0)) * Float64(2.0 * k)));
	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[l, 1.15e+247], N[(2.0 / N[(N[(2.0 * N[(N[Power[N[(t$95$m * N[Power[N[Power[k, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[Sin[k], $MachinePrecision] * N[Power[N[(t$95$m / N[Power[N[Power[l, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $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}\;\ell \leq 1.15 \cdot 10^{+247}:\\
\;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t\_m \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if l < 1.14999999999999995e247

    1. Initial program 56.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified58.9%

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/59.6%

        \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    5. Applied egg-rr59.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    6. Taylor expanded in k around 0 57.2%

      \[\leadsto \frac{2}{\frac{\color{blue}{2 \cdot \frac{{k}^{2} \cdot {t}^{3}}{\ell}}}{\ell}} \]
    7. Step-by-step derivation
      1. add-cube-cbrt57.1%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{\left(\sqrt[3]{{k}^{2} \cdot {t}^{3}} \cdot \sqrt[3]{{k}^{2} \cdot {t}^{3}}\right) \cdot \sqrt[3]{{k}^{2} \cdot {t}^{3}}}}{\ell}}{\ell}} \]
      2. pow357.1%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left(\sqrt[3]{{k}^{2} \cdot {t}^{3}}\right)}^{3}}}{\ell}}{\ell}} \]
      3. *-commutative57.1%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot {k}^{2}}}\right)}^{3}}{\ell}}{\ell}} \]
      4. cbrt-prod57.1%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{{k}^{2}}\right)}}^{3}}{\ell}}{\ell}} \]
      5. rem-cbrt-cube64.9%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(\color{blue}{t} \cdot \sqrt[3]{{k}^{2}}\right)}^{3}}{\ell}}{\ell}} \]
      6. unpow264.9%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \sqrt[3]{\color{blue}{k \cdot k}}\right)}^{3}}{\ell}}{\ell}} \]
      7. cbrt-prod70.8%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \color{blue}{\left(\sqrt[3]{k} \cdot \sqrt[3]{k}\right)}\right)}^{3}}{\ell}}{\ell}} \]
      8. pow270.8%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \color{blue}{{\left(\sqrt[3]{k}\right)}^{2}}\right)}^{3}}{\ell}}{\ell}} \]
    8. Applied egg-rr70.8%

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

    if 1.14999999999999995e247 < l

    1. Initial program 43.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified43.5%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Taylor expanded in k around 0 58.1%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Step-by-step derivation
      1. *-commutative58.1%

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

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    7. Step-by-step derivation
      1. associate-/r*44.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      2. add-cube-cbrt44.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right) \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      3. associate-*l*44.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)\right)} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      4. associate-/r*43.5%

        \[\leadsto \frac{2}{\left(\left(\sqrt[3]{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}} \cdot \left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      5. cbrt-div43.5%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell \cdot \ell}}} \cdot \left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      6. rem-cbrt-cube43.5%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell \cdot \ell}} \cdot \left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      7. cbrt-prod44.3%

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

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

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \color{blue}{{\left(\sqrt[3]{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)}^{2}}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      10. associate-/r*43.5%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot {\left(\sqrt[3]{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}}\right)}^{2}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      11. cbrt-div43.5%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot {\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{\ell \cdot \ell}}\right)}}^{2}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      12. rem-cbrt-cube44.7%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot {\left(\frac{\color{blue}{t}}{\sqrt[3]{\ell \cdot \ell}}\right)}^{2}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      13. cbrt-prod71.1%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot {\left(\frac{t}{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}\right)}^{2}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      14. pow271.1%

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

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{2}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    9. Step-by-step derivation
      1. unpow271.1%

        \[\leadsto \frac{2}{\left(\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \color{blue}{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}\right) \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      2. cube-mult70.8%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
    10. Simplified79.0%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification71.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\ell \leq 1.15 \cdot 10^{+247}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\sin k \cdot {\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right) \cdot \left(2 \cdot k\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 65.3% accurate, 1.3× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;\ell \leq 5.4 \cdot 10^{+246}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t\_m \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\sin k \cdot {\left(\frac{{t\_m}^{1.5}}{\ell}\right)}^{2}\right) \cdot \left(2 \cdot k\right)}\\ \end{array} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= l 5.4e+246)
    (/ 2.0 (/ (* 2.0 (/ (pow (* t_m (pow (cbrt k) 2.0)) 3.0) l)) l))
    (/ 2.0 (* (* (sin k) (pow (/ (pow t_m 1.5) l) 2.0)) (* 2.0 k))))))
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 (l <= 5.4e+246) {
		tmp = 2.0 / ((2.0 * (pow((t_m * pow(cbrt(k), 2.0)), 3.0) / l)) / l);
	} else {
		tmp = 2.0 / ((sin(k) * pow((pow(t_m, 1.5) / l), 2.0)) * (2.0 * k));
	}
	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 (l <= 5.4e+246) {
		tmp = 2.0 / ((2.0 * (Math.pow((t_m * Math.pow(Math.cbrt(k), 2.0)), 3.0) / l)) / l);
	} else {
		tmp = 2.0 / ((Math.sin(k) * Math.pow((Math.pow(t_m, 1.5) / l), 2.0)) * (2.0 * k));
	}
	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 (l <= 5.4e+246)
		tmp = Float64(2.0 / Float64(Float64(2.0 * Float64((Float64(t_m * (cbrt(k) ^ 2.0)) ^ 3.0) / l)) / l));
	else
		tmp = Float64(2.0 / Float64(Float64(sin(k) * (Float64((t_m ^ 1.5) / l) ^ 2.0)) * Float64(2.0 * k)));
	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[l, 5.4e+246], N[(2.0 / N[(N[(2.0 * N[(N[Power[N[(t$95$m * N[Power[N[Power[k, 1/3], $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[Sin[k], $MachinePrecision] * N[Power[N[(N[Power[t$95$m, 1.5], $MachinePrecision] / l), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $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}\;\ell \leq 5.4 \cdot 10^{+246}:\\
\;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t\_m \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if l < 5.4e246

    1. Initial program 56.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified58.9%

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/59.6%

        \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    5. Applied egg-rr59.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    6. Taylor expanded in k around 0 57.2%

      \[\leadsto \frac{2}{\frac{\color{blue}{2 \cdot \frac{{k}^{2} \cdot {t}^{3}}{\ell}}}{\ell}} \]
    7. Step-by-step derivation
      1. add-cube-cbrt57.1%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{\left(\sqrt[3]{{k}^{2} \cdot {t}^{3}} \cdot \sqrt[3]{{k}^{2} \cdot {t}^{3}}\right) \cdot \sqrt[3]{{k}^{2} \cdot {t}^{3}}}}{\ell}}{\ell}} \]
      2. pow357.1%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left(\sqrt[3]{{k}^{2} \cdot {t}^{3}}\right)}^{3}}}{\ell}}{\ell}} \]
      3. *-commutative57.1%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot {k}^{2}}}\right)}^{3}}{\ell}}{\ell}} \]
      4. cbrt-prod57.1%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{{k}^{2}}\right)}}^{3}}{\ell}}{\ell}} \]
      5. rem-cbrt-cube64.9%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(\color{blue}{t} \cdot \sqrt[3]{{k}^{2}}\right)}^{3}}{\ell}}{\ell}} \]
      6. unpow264.9%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \sqrt[3]{\color{blue}{k \cdot k}}\right)}^{3}}{\ell}}{\ell}} \]
      7. cbrt-prod70.8%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \color{blue}{\left(\sqrt[3]{k} \cdot \sqrt[3]{k}\right)}\right)}^{3}}{\ell}}{\ell}} \]
      8. pow270.8%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left(t \cdot \color{blue}{{\left(\sqrt[3]{k}\right)}^{2}}\right)}^{3}}{\ell}}{\ell}} \]
    8. Applied egg-rr70.8%

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

    if 5.4e246 < l

    1. Initial program 43.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified43.5%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Taylor expanded in k around 0 58.1%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Step-by-step derivation
      1. *-commutative58.1%

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

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    7. Step-by-step derivation
      1. associate-/r*44.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      2. add-sqr-sqrt22.4%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      3. pow222.4%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)}^{2}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      4. associate-/r*22.1%

        \[\leadsto \frac{2}{\left({\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      5. sqrt-div22.1%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}\right)}}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      6. sqrt-pow122.2%

        \[\leadsto \frac{2}{\left({\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      7. metadata-eval22.2%

        \[\leadsto \frac{2}{\left({\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      8. sqrt-prod29.0%

        \[\leadsto \frac{2}{\left({\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      9. add-sqr-sqrt29.0%

        \[\leadsto \frac{2}{\left({\left(\frac{{t}^{1.5}}{\color{blue}{\ell}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
    8. Applied egg-rr22.4%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification68.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\ell \leq 5.4 \cdot 10^{+246}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(t \cdot {\left(\sqrt[3]{k}\right)}^{2}\right)}^{3}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\sin k \cdot {\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}\right) \cdot \left(2 \cdot k\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 64.3% accurate, 1.3× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;\ell \leq 4.9 \cdot 10^{+246}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(k \cdot {t\_m}^{1.5}\right)}^{2}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\sin k \cdot {\left(\frac{{t\_m}^{1.5}}{\ell}\right)}^{2}\right) \cdot \left(2 \cdot k\right)}\\ \end{array} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= l 4.9e+246)
    (/ 2.0 (/ (* 2.0 (/ (pow (* k (pow t_m 1.5)) 2.0) l)) l))
    (/ 2.0 (* (* (sin k) (pow (/ (pow t_m 1.5) l) 2.0)) (* 2.0 k))))))
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 (l <= 4.9e+246) {
		tmp = 2.0 / ((2.0 * (pow((k * pow(t_m, 1.5)), 2.0) / l)) / l);
	} else {
		tmp = 2.0 / ((sin(k) * pow((pow(t_m, 1.5) / l), 2.0)) * (2.0 * k));
	}
	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 (l <= 4.9d+246) then
        tmp = 2.0d0 / ((2.0d0 * (((k * (t_m ** 1.5d0)) ** 2.0d0) / l)) / l)
    else
        tmp = 2.0d0 / ((sin(k) * (((t_m ** 1.5d0) / l) ** 2.0d0)) * (2.0d0 * k))
    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 (l <= 4.9e+246) {
		tmp = 2.0 / ((2.0 * (Math.pow((k * Math.pow(t_m, 1.5)), 2.0) / l)) / l);
	} else {
		tmp = 2.0 / ((Math.sin(k) * Math.pow((Math.pow(t_m, 1.5) / l), 2.0)) * (2.0 * k));
	}
	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 l <= 4.9e+246:
		tmp = 2.0 / ((2.0 * (math.pow((k * math.pow(t_m, 1.5)), 2.0) / l)) / l)
	else:
		tmp = 2.0 / ((math.sin(k) * math.pow((math.pow(t_m, 1.5) / l), 2.0)) * (2.0 * k))
	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 (l <= 4.9e+246)
		tmp = Float64(2.0 / Float64(Float64(2.0 * Float64((Float64(k * (t_m ^ 1.5)) ^ 2.0) / l)) / l));
	else
		tmp = Float64(2.0 / Float64(Float64(sin(k) * (Float64((t_m ^ 1.5) / l) ^ 2.0)) * Float64(2.0 * k)));
	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 (l <= 4.9e+246)
		tmp = 2.0 / ((2.0 * (((k * (t_m ^ 1.5)) ^ 2.0) / l)) / l);
	else
		tmp = 2.0 / ((sin(k) * (((t_m ^ 1.5) / l) ^ 2.0)) * (2.0 * k));
	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[l, 4.9e+246], N[(2.0 / N[(N[(2.0 * N[(N[Power[N[(k * N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[Sin[k], $MachinePrecision] * N[Power[N[(N[Power[t$95$m, 1.5], $MachinePrecision] / l), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $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}\;\ell \leq 4.9 \cdot 10^{+246}:\\
\;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(k \cdot {t\_m}^{1.5}\right)}^{2}}{\ell}}{\ell}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if l < 4.90000000000000028e246

    1. Initial program 56.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified58.9%

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/59.6%

        \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    5. Applied egg-rr59.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    6. Taylor expanded in k around 0 57.2%

      \[\leadsto \frac{2}{\frac{\color{blue}{2 \cdot \frac{{k}^{2} \cdot {t}^{3}}{\ell}}}{\ell}} \]
    7. Step-by-step derivation
      1. pow157.2%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left({k}^{2} \cdot {t}^{3}\right)}^{1}}}{\ell}}{\ell}} \]
      2. add-sqr-sqrt24.4%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left(\sqrt{{k}^{2} \cdot {t}^{3}} \cdot \sqrt{{k}^{2} \cdot {t}^{3}}\right)}}^{1}}{\ell}}{\ell}} \]
      3. pow224.4%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left({\left(\sqrt{{k}^{2} \cdot {t}^{3}}\right)}^{2}\right)}}^{1}}{\ell}}{\ell}} \]
      4. sqrt-prod24.4%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\color{blue}{\left(\sqrt{{k}^{2}} \cdot \sqrt{{t}^{3}}\right)}}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      5. sqrt-pow127.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(\color{blue}{{k}^{\left(\frac{2}{2}\right)}} \cdot \sqrt{{t}^{3}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      6. metadata-eval27.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left({k}^{\color{blue}{1}} \cdot \sqrt{{t}^{3}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      7. pow127.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(\color{blue}{k} \cdot \sqrt{{t}^{3}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      8. sqrt-pow129.3%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(k \cdot \color{blue}{{t}^{\left(\frac{3}{2}\right)}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      9. metadata-eval29.3%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(k \cdot {t}^{\color{blue}{1.5}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
    8. Applied egg-rr29.3%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left({\left(k \cdot {t}^{1.5}\right)}^{2}\right)}^{1}}}{\ell}}{\ell}} \]
    9. Step-by-step derivation
      1. unpow129.3%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left(k \cdot {t}^{1.5}\right)}^{2}}}{\ell}}{\ell}} \]
    10. Simplified29.3%

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

    if 4.90000000000000028e246 < l

    1. Initial program 43.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified43.5%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Taylor expanded in k around 0 58.1%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Step-by-step derivation
      1. *-commutative58.1%

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

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    7. Step-by-step derivation
      1. associate-/r*44.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      2. add-sqr-sqrt22.4%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      3. pow222.4%

        \[\leadsto \frac{2}{\left(\color{blue}{{\left(\sqrt{\frac{\frac{{t}^{3}}{\ell}}{\ell}}\right)}^{2}} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      4. associate-/r*22.1%

        \[\leadsto \frac{2}{\left({\left(\sqrt{\color{blue}{\frac{{t}^{3}}{\ell \cdot \ell}}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      5. sqrt-div22.1%

        \[\leadsto \frac{2}{\left({\color{blue}{\left(\frac{\sqrt{{t}^{3}}}{\sqrt{\ell \cdot \ell}}\right)}}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      6. sqrt-pow122.2%

        \[\leadsto \frac{2}{\left({\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell \cdot \ell}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      7. metadata-eval22.2%

        \[\leadsto \frac{2}{\left({\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell \cdot \ell}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      8. sqrt-prod29.0%

        \[\leadsto \frac{2}{\left({\left(\frac{{t}^{1.5}}{\color{blue}{\sqrt{\ell} \cdot \sqrt{\ell}}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      9. add-sqr-sqrt29.0%

        \[\leadsto \frac{2}{\left({\left(\frac{{t}^{1.5}}{\color{blue}{\ell}}\right)}^{2} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
    8. Applied egg-rr22.4%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification28.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\ell \leq 4.9 \cdot 10^{+246}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(k \cdot {t}^{1.5}\right)}^{2}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\sin k \cdot {\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}\right) \cdot \left(2 \cdot k\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 64.5% accurate, 1.3× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;k \leq 1.1 \cdot 10^{-92}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(k \cdot {t\_m}^{1.5}\right)}^{2}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(k \cdot {\left(t\_m \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}\right) \cdot \left(2 \cdot k\right)}\\ \end{array} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= k 1.1e-92)
    (/ 2.0 (/ (* 2.0 (/ (pow (* k (pow t_m 1.5)) 2.0) l)) l))
    (/ 2.0 (* (* k (pow (* t_m (pow (cbrt l) -2.0)) 3.0)) (* 2.0 k))))))
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 <= 1.1e-92) {
		tmp = 2.0 / ((2.0 * (pow((k * pow(t_m, 1.5)), 2.0) / l)) / l);
	} else {
		tmp = 2.0 / ((k * pow((t_m * pow(cbrt(l), -2.0)), 3.0)) * (2.0 * k));
	}
	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 (k <= 1.1e-92) {
		tmp = 2.0 / ((2.0 * (Math.pow((k * Math.pow(t_m, 1.5)), 2.0) / l)) / l);
	} else {
		tmp = 2.0 / ((k * Math.pow((t_m * Math.pow(Math.cbrt(l), -2.0)), 3.0)) * (2.0 * k));
	}
	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 <= 1.1e-92)
		tmp = Float64(2.0 / Float64(Float64(2.0 * Float64((Float64(k * (t_m ^ 1.5)) ^ 2.0) / l)) / l));
	else
		tmp = Float64(2.0 / Float64(Float64(k * (Float64(t_m * (cbrt(l) ^ -2.0)) ^ 3.0)) * Float64(2.0 * k)));
	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[k, 1.1e-92], N[(2.0 / N[(N[(2.0 * N[(N[Power[N[(k * N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(k * N[Power[N[(t$95$m * N[Power[N[Power[l, 1/3], $MachinePrecision], -2.0], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $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 1.1 \cdot 10^{-92}:\\
\;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(k \cdot {t\_m}^{1.5}\right)}^{2}}{\ell}}{\ell}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.09999999999999994e-92

    1. Initial program 56.6%

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

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/59.7%

        \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    5. Applied egg-rr59.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    6. Taylor expanded in k around 0 54.4%

      \[\leadsto \frac{2}{\frac{\color{blue}{2 \cdot \frac{{k}^{2} \cdot {t}^{3}}{\ell}}}{\ell}} \]
    7. Step-by-step derivation
      1. pow154.4%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left({k}^{2} \cdot {t}^{3}\right)}^{1}}}{\ell}}{\ell}} \]
      2. add-sqr-sqrt21.5%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left(\sqrt{{k}^{2} \cdot {t}^{3}} \cdot \sqrt{{k}^{2} \cdot {t}^{3}}\right)}}^{1}}{\ell}}{\ell}} \]
      3. pow221.5%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left({\left(\sqrt{{k}^{2} \cdot {t}^{3}}\right)}^{2}\right)}}^{1}}{\ell}}{\ell}} \]
      4. sqrt-prod21.5%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\color{blue}{\left(\sqrt{{k}^{2}} \cdot \sqrt{{t}^{3}}\right)}}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      5. sqrt-pow125.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(\color{blue}{{k}^{\left(\frac{2}{2}\right)}} \cdot \sqrt{{t}^{3}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      6. metadata-eval25.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left({k}^{\color{blue}{1}} \cdot \sqrt{{t}^{3}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      7. pow125.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(\color{blue}{k} \cdot \sqrt{{t}^{3}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      8. sqrt-pow127.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(k \cdot \color{blue}{{t}^{\left(\frac{3}{2}\right)}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      9. metadata-eval27.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(k \cdot {t}^{\color{blue}{1.5}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
    8. Applied egg-rr27.0%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left({\left(k \cdot {t}^{1.5}\right)}^{2}\right)}^{1}}}{\ell}}{\ell}} \]
    9. Step-by-step derivation
      1. unpow127.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left(k \cdot {t}^{1.5}\right)}^{2}}}{\ell}}{\ell}} \]
    10. Simplified27.0%

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

    if 1.09999999999999994e-92 < k

    1. Initial program 54.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified54.5%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Taylor expanded in k around 0 57.4%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Step-by-step derivation
      1. *-commutative57.4%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    6. Simplified57.4%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    7. Step-by-step derivation
      1. associate-/r*59.1%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      2. div-inv59.1%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{1}{\ell}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      3. add-sqr-sqrt31.7%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \sqrt{\frac{{t}^{3}}{\ell}}\right)} \cdot \frac{1}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      4. associate-*l*31.8%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      5. sqrt-div19.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      6. sqrt-pow119.2%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      7. metadata-eval19.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      8. sqrt-div19.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      9. sqrt-pow119.1%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      10. metadata-eval19.1%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    8. Applied egg-rr19.1%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    9. Step-by-step derivation
      1. associate-*r/19.1%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot 1}{\ell}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      2. *-rgt-identity19.1%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{\color{blue}{\frac{{t}^{1.5}}{\sqrt{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      3. associate-/l/20.3%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    10. Simplified20.3%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    11. Taylor expanded in k around 0 58.3%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(k \cdot 2\right)} \]
    12. Step-by-step derivation
      1. associate-/l*58.3%

        \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
    13. Simplified58.3%

      \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
    14. Step-by-step derivation
      1. rem-cube-cbrt58.3%

        \[\leadsto \frac{2}{\left(k \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{{\ell}^{2}}}\right)}^{3}}\right) \cdot \left(k \cdot 2\right)} \]
      2. cbrt-div58.3%

        \[\leadsto \frac{2}{\left(k \cdot {\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{{\ell}^{2}}}\right)}}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      3. rem-cbrt-cube61.4%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{\color{blue}{t}}{\sqrt[3]{{\ell}^{2}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      4. unpow261.4%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{t}{\sqrt[3]{\color{blue}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      5. cbrt-prod66.5%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{t}{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      6. unpow266.5%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      7. div-inv66.5%

        \[\leadsto \frac{2}{\left(k \cdot {\color{blue}{\left(t \cdot \frac{1}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      8. unpow-prod-down58.1%

        \[\leadsto \frac{2}{\left(k \cdot \color{blue}{\left({t}^{3} \cdot {\left(\frac{1}{{\left(\sqrt[3]{\ell}\right)}^{2}}\right)}^{3}\right)}\right) \cdot \left(k \cdot 2\right)} \]
      9. pow-flip58.1%

        \[\leadsto \frac{2}{\left(k \cdot \left({t}^{3} \cdot {\color{blue}{\left({\left(\sqrt[3]{\ell}\right)}^{\left(-2\right)}\right)}}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
      10. metadata-eval58.1%

        \[\leadsto \frac{2}{\left(k \cdot \left({t}^{3} \cdot {\left({\left(\sqrt[3]{\ell}\right)}^{\color{blue}{-2}}\right)}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
    15. Applied egg-rr58.1%

      \[\leadsto \frac{2}{\left(k \cdot \color{blue}{\left({t}^{3} \cdot {\left({\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}\right)}\right) \cdot \left(k \cdot 2\right)} \]
    16. Step-by-step derivation
      1. cube-prod66.5%

        \[\leadsto \frac{2}{\left(k \cdot \color{blue}{{\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}}\right) \cdot \left(k \cdot 2\right)} \]
    17. Simplified66.5%

      \[\leadsto \frac{2}{\left(k \cdot \color{blue}{{\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}}\right) \cdot \left(k \cdot 2\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification38.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.1 \cdot 10^{-92}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(k \cdot {t}^{1.5}\right)}^{2}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(k \cdot {\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right)}^{3}\right) \cdot \left(2 \cdot k\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 64.5% accurate, 1.3× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;k \leq 2.2 \cdot 10^{-92}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(k \cdot {t\_m}^{1.5}\right)}^{2}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(2 \cdot k\right) \cdot \left(k \cdot {\left(\frac{\sqrt{t\_m}}{\sqrt[3]{\ell}}\right)}^{6}\right)}\\ \end{array} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (*
  t_s
  (if (<= k 2.2e-92)
    (/ 2.0 (/ (* 2.0 (/ (pow (* k (pow t_m 1.5)) 2.0) l)) l))
    (/ 2.0 (* (* 2.0 k) (* k (pow (/ (sqrt t_m) (cbrt l)) 6.0)))))))
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 <= 2.2e-92) {
		tmp = 2.0 / ((2.0 * (pow((k * pow(t_m, 1.5)), 2.0) / l)) / l);
	} else {
		tmp = 2.0 / ((2.0 * k) * (k * pow((sqrt(t_m) / cbrt(l)), 6.0)));
	}
	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 (k <= 2.2e-92) {
		tmp = 2.0 / ((2.0 * (Math.pow((k * Math.pow(t_m, 1.5)), 2.0) / l)) / l);
	} else {
		tmp = 2.0 / ((2.0 * k) * (k * Math.pow((Math.sqrt(t_m) / Math.cbrt(l)), 6.0)));
	}
	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 <= 2.2e-92)
		tmp = Float64(2.0 / Float64(Float64(2.0 * Float64((Float64(k * (t_m ^ 1.5)) ^ 2.0) / l)) / l));
	else
		tmp = Float64(2.0 / Float64(Float64(2.0 * k) * Float64(k * (Float64(sqrt(t_m) / cbrt(l)) ^ 6.0))));
	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[k, 2.2e-92], N[(2.0 / N[(N[(2.0 * N[(N[Power[N[(k * N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(2.0 * k), $MachinePrecision] * N[(k * N[Power[N[(N[Sqrt[t$95$m], $MachinePrecision] / N[Power[l, 1/3], $MachinePrecision]), $MachinePrecision], 6.0], $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 2.2 \cdot 10^{-92}:\\
\;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(k \cdot {t\_m}^{1.5}\right)}^{2}}{\ell}}{\ell}}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\left(2 \cdot k\right) \cdot \left(k \cdot {\left(\frac{\sqrt{t\_m}}{\sqrt[3]{\ell}}\right)}^{6}\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 2.19999999999999987e-92

    1. Initial program 56.6%

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

      \[\leadsto \color{blue}{\frac{2}{\frac{\frac{{t}^{3}}{\ell}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. associate-*l/59.7%

        \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    5. Applied egg-rr59.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
    6. Taylor expanded in k around 0 54.4%

      \[\leadsto \frac{2}{\frac{\color{blue}{2 \cdot \frac{{k}^{2} \cdot {t}^{3}}{\ell}}}{\ell}} \]
    7. Step-by-step derivation
      1. pow154.4%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left({k}^{2} \cdot {t}^{3}\right)}^{1}}}{\ell}}{\ell}} \]
      2. add-sqr-sqrt21.5%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left(\sqrt{{k}^{2} \cdot {t}^{3}} \cdot \sqrt{{k}^{2} \cdot {t}^{3}}\right)}}^{1}}{\ell}}{\ell}} \]
      3. pow221.5%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left({\left(\sqrt{{k}^{2} \cdot {t}^{3}}\right)}^{2}\right)}}^{1}}{\ell}}{\ell}} \]
      4. sqrt-prod21.5%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\color{blue}{\left(\sqrt{{k}^{2}} \cdot \sqrt{{t}^{3}}\right)}}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      5. sqrt-pow125.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(\color{blue}{{k}^{\left(\frac{2}{2}\right)}} \cdot \sqrt{{t}^{3}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      6. metadata-eval25.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left({k}^{\color{blue}{1}} \cdot \sqrt{{t}^{3}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      7. pow125.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(\color{blue}{k} \cdot \sqrt{{t}^{3}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      8. sqrt-pow127.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(k \cdot \color{blue}{{t}^{\left(\frac{3}{2}\right)}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
      9. metadata-eval27.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(k \cdot {t}^{\color{blue}{1.5}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
    8. Applied egg-rr27.0%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left({\left(k \cdot {t}^{1.5}\right)}^{2}\right)}^{1}}}{\ell}}{\ell}} \]
    9. Step-by-step derivation
      1. unpow127.0%

        \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left(k \cdot {t}^{1.5}\right)}^{2}}}{\ell}}{\ell}} \]
    10. Simplified27.0%

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

    if 2.19999999999999987e-92 < k

    1. Initial program 54.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Simplified54.5%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    3. Add Preprocessing
    4. Taylor expanded in k around 0 57.4%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Step-by-step derivation
      1. *-commutative57.4%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    6. Simplified57.4%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    7. Step-by-step derivation
      1. associate-/r*59.1%

        \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      2. div-inv59.1%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{1}{\ell}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      3. add-sqr-sqrt31.7%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \sqrt{\frac{{t}^{3}}{\ell}}\right)} \cdot \frac{1}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      4. associate-*l*31.8%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      5. sqrt-div19.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      6. sqrt-pow119.2%

        \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      7. metadata-eval19.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      8. sqrt-div19.2%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      9. sqrt-pow119.1%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      10. metadata-eval19.1%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    8. Applied egg-rr19.1%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    9. Step-by-step derivation
      1. associate-*r/19.1%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot 1}{\ell}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      2. *-rgt-identity19.1%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{\color{blue}{\frac{{t}^{1.5}}{\sqrt{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
      3. associate-/l/20.3%

        \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    10. Simplified20.3%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    11. Taylor expanded in k around 0 58.3%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(k \cdot 2\right)} \]
    12. Step-by-step derivation
      1. associate-/l*58.3%

        \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
    13. Simplified58.3%

      \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
    14. Step-by-step derivation
      1. rem-cube-cbrt58.3%

        \[\leadsto \frac{2}{\left(k \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{{\ell}^{2}}}\right)}^{3}}\right) \cdot \left(k \cdot 2\right)} \]
      2. cbrt-div58.3%

        \[\leadsto \frac{2}{\left(k \cdot {\color{blue}{\left(\frac{\sqrt[3]{{t}^{3}}}{\sqrt[3]{{\ell}^{2}}}\right)}}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      3. rem-cbrt-cube61.4%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{\color{blue}{t}}{\sqrt[3]{{\ell}^{2}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      4. unpow261.4%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{t}{\sqrt[3]{\color{blue}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      5. cbrt-prod66.5%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{t}{\color{blue}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      6. unpow266.5%

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{t}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      7. add-sqr-sqrt34.7%

        \[\leadsto \frac{2}{\left(k \cdot {\color{blue}{\left(\sqrt{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}} \cdot \sqrt{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}}^{3}\right) \cdot \left(k \cdot 2\right)} \]
      8. unpow-prod-down34.7%

        \[\leadsto \frac{2}{\left(k \cdot \color{blue}{\left({\left(\sqrt{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3} \cdot {\left(\sqrt{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3}\right)}\right) \cdot \left(k \cdot 2\right)} \]
      9. sqrt-div33.3%

        \[\leadsto \frac{2}{\left(k \cdot \left({\color{blue}{\left(\frac{\sqrt{t}}{\sqrt{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}}^{3} \cdot {\left(\sqrt{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
      10. sqrt-pow126.8%

        \[\leadsto \frac{2}{\left(k \cdot \left({\left(\frac{\sqrt{t}}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{\left(\frac{2}{2}\right)}}}\right)}^{3} \cdot {\left(\sqrt{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
      11. metadata-eval26.8%

        \[\leadsto \frac{2}{\left(k \cdot \left({\left(\frac{\sqrt{t}}{{\left(\sqrt[3]{\ell}\right)}^{\color{blue}{1}}}\right)}^{3} \cdot {\left(\sqrt{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
      12. pow126.8%

        \[\leadsto \frac{2}{\left(k \cdot \left({\left(\frac{\sqrt{t}}{\color{blue}{\sqrt[3]{\ell}}}\right)}^{3} \cdot {\left(\sqrt{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
      13. sqrt-div26.8%

        \[\leadsto \frac{2}{\left(k \cdot \left({\left(\frac{\sqrt{t}}{\sqrt[3]{\ell}}\right)}^{3} \cdot {\color{blue}{\left(\frac{\sqrt{t}}{\sqrt{{\left(\sqrt[3]{\ell}\right)}^{2}}}\right)}}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
      14. sqrt-pow133.3%

        \[\leadsto \frac{2}{\left(k \cdot \left({\left(\frac{\sqrt{t}}{\sqrt[3]{\ell}}\right)}^{3} \cdot {\left(\frac{\sqrt{t}}{\color{blue}{{\left(\sqrt[3]{\ell}\right)}^{\left(\frac{2}{2}\right)}}}\right)}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
      15. metadata-eval33.3%

        \[\leadsto \frac{2}{\left(k \cdot \left({\left(\frac{\sqrt{t}}{\sqrt[3]{\ell}}\right)}^{3} \cdot {\left(\frac{\sqrt{t}}{{\left(\sqrt[3]{\ell}\right)}^{\color{blue}{1}}}\right)}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
      16. pow133.3%

        \[\leadsto \frac{2}{\left(k \cdot \left({\left(\frac{\sqrt{t}}{\sqrt[3]{\ell}}\right)}^{3} \cdot {\left(\frac{\sqrt{t}}{\color{blue}{\sqrt[3]{\ell}}}\right)}^{3}\right)\right) \cdot \left(k \cdot 2\right)} \]
    15. Applied egg-rr33.3%

      \[\leadsto \frac{2}{\left(k \cdot \color{blue}{\left({\left(\frac{\sqrt{t}}{\sqrt[3]{\ell}}\right)}^{3} \cdot {\left(\frac{\sqrt{t}}{\sqrt[3]{\ell}}\right)}^{3}\right)}\right) \cdot \left(k \cdot 2\right)} \]
    16. Step-by-step derivation
      1. pow-sqr33.3%

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

        \[\leadsto \frac{2}{\left(k \cdot {\left(\frac{\sqrt{t}}{\sqrt[3]{\ell}}\right)}^{\color{blue}{6}}\right) \cdot \left(k \cdot 2\right)} \]
    17. Simplified33.3%

      \[\leadsto \frac{2}{\left(k \cdot \color{blue}{{\left(\frac{\sqrt{t}}{\sqrt[3]{\ell}}\right)}^{6}}\right) \cdot \left(k \cdot 2\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification28.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 2.2 \cdot 10^{-92}:\\ \;\;\;\;\frac{2}{\frac{2 \cdot \frac{{\left(k \cdot {t}^{1.5}\right)}^{2}}{\ell}}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(2 \cdot k\right) \cdot \left(k \cdot {\left(\frac{\sqrt{t}}{\sqrt[3]{\ell}}\right)}^{6}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 64.2% accurate, 2.0× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \frac{2}{\frac{2 \cdot \frac{{\left(k \cdot {t\_m}^{1.5}\right)}^{2}}{\ell}}{\ell}} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (* t_s (/ 2.0 (/ (* 2.0 (/ (pow (* k (pow t_m 1.5)) 2.0) l)) l))))
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 * (2.0 / ((2.0 * (pow((k * pow(t_m, 1.5)), 2.0) / l)) / l));
}
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 * (2.0d0 / ((2.0d0 * (((k * (t_m ** 1.5d0)) ** 2.0d0) / l)) / l))
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 * (2.0 / ((2.0 * (Math.pow((k * Math.pow(t_m, 1.5)), 2.0) / l)) / l));
}
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k):
	return t_s * (2.0 / ((2.0 * (math.pow((k * math.pow(t_m, 1.5)), 2.0) / l)) / l))
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k)
	return Float64(t_s * Float64(2.0 / Float64(Float64(2.0 * Float64((Float64(k * (t_m ^ 1.5)) ^ 2.0) / l)) / l)))
end
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp = code(t_s, t_m, l, k)
	tmp = t_s * (2.0 / ((2.0 * (((k * (t_m ^ 1.5)) ^ 2.0) / l)) / l));
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[(2.0 / N[(N[(2.0 * N[(N[Power[N[(k * N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \frac{2}{\frac{2 \cdot \frac{{\left(k \cdot {t\_m}^{1.5}\right)}^{2}}{\ell}}{\ell}}
\end{array}
Derivation
  1. Initial program 56.0%

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

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

      \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
  5. Applied egg-rr59.2%

    \[\leadsto \frac{2}{\color{blue}{\frac{\frac{{t}^{3}}{\ell} \cdot \left(\left(\sin k \cdot \tan k\right) \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}{\ell}}} \]
  6. Taylor expanded in k around 0 56.4%

    \[\leadsto \frac{2}{\frac{\color{blue}{2 \cdot \frac{{k}^{2} \cdot {t}^{3}}{\ell}}}{\ell}} \]
  7. Step-by-step derivation
    1. pow156.4%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left({k}^{2} \cdot {t}^{3}\right)}^{1}}}{\ell}}{\ell}} \]
    2. add-sqr-sqrt23.8%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left(\sqrt{{k}^{2} \cdot {t}^{3}} \cdot \sqrt{{k}^{2} \cdot {t}^{3}}\right)}}^{1}}{\ell}}{\ell}} \]
    3. pow223.8%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\color{blue}{\left({\left(\sqrt{{k}^{2} \cdot {t}^{3}}\right)}^{2}\right)}}^{1}}{\ell}}{\ell}} \]
    4. sqrt-prod23.8%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\color{blue}{\left(\sqrt{{k}^{2}} \cdot \sqrt{{t}^{3}}\right)}}^{2}\right)}^{1}}{\ell}}{\ell}} \]
    5. sqrt-pow126.7%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(\color{blue}{{k}^{\left(\frac{2}{2}\right)}} \cdot \sqrt{{t}^{3}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
    6. metadata-eval26.7%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left({k}^{\color{blue}{1}} \cdot \sqrt{{t}^{3}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
    7. pow126.7%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(\color{blue}{k} \cdot \sqrt{{t}^{3}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
    8. sqrt-pow128.5%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(k \cdot \color{blue}{{t}^{\left(\frac{3}{2}\right)}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
    9. metadata-eval28.5%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{{\left({\left(k \cdot {t}^{\color{blue}{1.5}}\right)}^{2}\right)}^{1}}{\ell}}{\ell}} \]
  8. Applied egg-rr28.5%

    \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left({\left(k \cdot {t}^{1.5}\right)}^{2}\right)}^{1}}}{\ell}}{\ell}} \]
  9. Step-by-step derivation
    1. unpow128.5%

      \[\leadsto \frac{2}{\frac{2 \cdot \frac{\color{blue}{{\left(k \cdot {t}^{1.5}\right)}^{2}}}{\ell}}{\ell}} \]
  10. Simplified28.5%

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

Alternative 14: 62.9% accurate, 2.0× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \frac{2}{\left(2 \cdot k\right) \cdot \left(k \cdot {\left(\frac{{t\_m}^{1.5}}{\ell}\right)}^{2}\right)} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (* t_s (/ 2.0 (* (* 2.0 k) (* k (pow (/ (pow t_m 1.5) l) 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 * (2.0 / ((2.0 * k) * (k * pow((pow(t_m, 1.5) / l), 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 * (2.0d0 / ((2.0d0 * k) * (k * (((t_m ** 1.5d0) / l) ** 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 * (2.0 / ((2.0 * k) * (k * Math.pow((Math.pow(t_m, 1.5) / l), 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 * (2.0 / ((2.0 * k) * (k * math.pow((math.pow(t_m, 1.5) / l), 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(2.0 / Float64(Float64(2.0 * k) * Float64(k * (Float64((t_m ^ 1.5) / l) ^ 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 * (2.0 / ((2.0 * k) * (k * (((t_m ^ 1.5) / l) ^ 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[(2.0 / N[(N[(2.0 * k), $MachinePrecision] * N[(k * N[Power[N[(N[Power[t$95$m, 1.5], $MachinePrecision] / l), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \frac{2}{\left(2 \cdot k\right) \cdot \left(k \cdot {\left(\frac{{t\_m}^{1.5}}{\ell}\right)}^{2}\right)}
\end{array}
Derivation
  1. Initial program 56.0%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Simplified56.0%

    \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
  3. Add Preprocessing
  4. Taylor expanded in k around 0 55.1%

    \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
  5. Step-by-step derivation
    1. *-commutative55.1%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
  6. Simplified55.1%

    \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
  7. Step-by-step derivation
    1. associate-/r*59.4%

      \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    2. div-inv59.4%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{1}{\ell}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    3. add-sqr-sqrt31.7%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \sqrt{\frac{{t}^{3}}{\ell}}\right)} \cdot \frac{1}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    4. associate-*l*31.7%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    5. sqrt-div13.6%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    6. sqrt-pow113.5%

      \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    7. metadata-eval13.5%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    8. sqrt-div13.5%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    9. sqrt-pow115.1%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    10. metadata-eval15.1%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  8. Applied egg-rr15.1%

    \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  9. Step-by-step derivation
    1. associate-*r/15.1%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot 1}{\ell}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    2. *-rgt-identity15.1%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{\color{blue}{\frac{{t}^{1.5}}{\sqrt{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    3. associate-/l/14.3%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  10. Simplified14.3%

    \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  11. Taylor expanded in k around 0 56.5%

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

      \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
  13. Simplified56.2%

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

      \[\leadsto \frac{2}{\left(k \cdot \color{blue}{\left(\sqrt{\frac{{t}^{3}}{{\ell}^{2}}} \cdot \sqrt{\frac{{t}^{3}}{{\ell}^{2}}}\right)}\right) \cdot \left(k \cdot 2\right)} \]
    2. sqrt-div24.5%

      \[\leadsto \frac{2}{\left(k \cdot \left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{{\ell}^{2}}}} \cdot \sqrt{\frac{{t}^{3}}{{\ell}^{2}}}\right)\right) \cdot \left(k \cdot 2\right)} \]
    3. sqrt-pow123.3%

      \[\leadsto \frac{2}{\left(k \cdot \left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{{\ell}^{2}}} \cdot \sqrt{\frac{{t}^{3}}{{\ell}^{2}}}\right)\right) \cdot \left(k \cdot 2\right)} \]
    4. metadata-eval23.3%

      \[\leadsto \frac{2}{\left(k \cdot \left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{{\ell}^{2}}} \cdot \sqrt{\frac{{t}^{3}}{{\ell}^{2}}}\right)\right) \cdot \left(k \cdot 2\right)} \]
    5. sqrt-pow117.4%

      \[\leadsto \frac{2}{\left(k \cdot \left(\frac{{t}^{1.5}}{\color{blue}{{\ell}^{\left(\frac{2}{2}\right)}}} \cdot \sqrt{\frac{{t}^{3}}{{\ell}^{2}}}\right)\right) \cdot \left(k \cdot 2\right)} \]
    6. metadata-eval17.4%

      \[\leadsto \frac{2}{\left(k \cdot \left(\frac{{t}^{1.5}}{{\ell}^{\color{blue}{1}}} \cdot \sqrt{\frac{{t}^{3}}{{\ell}^{2}}}\right)\right) \cdot \left(k \cdot 2\right)} \]
    7. pow117.4%

      \[\leadsto \frac{2}{\left(k \cdot \left(\frac{{t}^{1.5}}{\color{blue}{\ell}} \cdot \sqrt{\frac{{t}^{3}}{{\ell}^{2}}}\right)\right) \cdot \left(k \cdot 2\right)} \]
    8. sqrt-div17.4%

      \[\leadsto \frac{2}{\left(k \cdot \left(\frac{{t}^{1.5}}{\ell} \cdot \color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{{\ell}^{2}}}}\right)\right) \cdot \left(k \cdot 2\right)} \]
    9. sqrt-pow119.4%

      \[\leadsto \frac{2}{\left(k \cdot \left(\frac{{t}^{1.5}}{\ell} \cdot \frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{{\ell}^{2}}}\right)\right) \cdot \left(k \cdot 2\right)} \]
    10. metadata-eval19.4%

      \[\leadsto \frac{2}{\left(k \cdot \left(\frac{{t}^{1.5}}{\ell} \cdot \frac{{t}^{\color{blue}{1.5}}}{\sqrt{{\ell}^{2}}}\right)\right) \cdot \left(k \cdot 2\right)} \]
    11. sqrt-pow128.2%

      \[\leadsto \frac{2}{\left(k \cdot \left(\frac{{t}^{1.5}}{\ell} \cdot \frac{{t}^{1.5}}{\color{blue}{{\ell}^{\left(\frac{2}{2}\right)}}}\right)\right) \cdot \left(k \cdot 2\right)} \]
    12. metadata-eval28.2%

      \[\leadsto \frac{2}{\left(k \cdot \left(\frac{{t}^{1.5}}{\ell} \cdot \frac{{t}^{1.5}}{{\ell}^{\color{blue}{1}}}\right)\right) \cdot \left(k \cdot 2\right)} \]
    13. pow128.2%

      \[\leadsto \frac{2}{\left(k \cdot \left(\frac{{t}^{1.5}}{\ell} \cdot \frac{{t}^{1.5}}{\color{blue}{\ell}}\right)\right) \cdot \left(k \cdot 2\right)} \]
  15. Applied egg-rr28.2%

    \[\leadsto \frac{2}{\left(k \cdot \color{blue}{\left(\frac{{t}^{1.5}}{\ell} \cdot \frac{{t}^{1.5}}{\ell}\right)}\right) \cdot \left(k \cdot 2\right)} \]
  16. Step-by-step derivation
    1. unpow228.2%

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

    \[\leadsto \frac{2}{\left(k \cdot \color{blue}{{\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}}\right) \cdot \left(k \cdot 2\right)} \]
  18. Final simplification28.2%

    \[\leadsto \frac{2}{\left(2 \cdot k\right) \cdot \left(k \cdot {\left(\frac{{t}^{1.5}}{\ell}\right)}^{2}\right)} \]
  19. Add Preprocessing

Alternative 15: 53.3% accurate, 2.0× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \frac{2}{\left(2 \cdot k\right) \cdot \left(k \cdot \frac{{t\_m}^{3}}{{\ell}^{2}}\right)} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (* t_s (/ 2.0 (* (* 2.0 k) (* k (/ (pow t_m 3.0) (pow l 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 * (2.0 / ((2.0 * k) * (k * (pow(t_m, 3.0) / pow(l, 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 * (2.0d0 / ((2.0d0 * k) * (k * ((t_m ** 3.0d0) / (l ** 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 * (2.0 / ((2.0 * k) * (k * (Math.pow(t_m, 3.0) / Math.pow(l, 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 * (2.0 / ((2.0 * k) * (k * (math.pow(t_m, 3.0) / math.pow(l, 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(2.0 / Float64(Float64(2.0 * k) * Float64(k * Float64((t_m ^ 3.0) / (l ^ 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 * (2.0 / ((2.0 * k) * (k * ((t_m ^ 3.0) / (l ^ 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[(2.0 / N[(N[(2.0 * k), $MachinePrecision] * N[(k * N[(N[Power[t$95$m, 3.0], $MachinePrecision] / N[Power[l, 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 \frac{2}{\left(2 \cdot k\right) \cdot \left(k \cdot \frac{{t\_m}^{3}}{{\ell}^{2}}\right)}
\end{array}
Derivation
  1. Initial program 56.0%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Simplified56.0%

    \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
  3. Add Preprocessing
  4. Taylor expanded in k around 0 55.1%

    \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
  5. Step-by-step derivation
    1. *-commutative55.1%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
  6. Simplified55.1%

    \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
  7. Step-by-step derivation
    1. associate-/r*59.4%

      \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    2. div-inv59.4%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{1}{\ell}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    3. add-sqr-sqrt31.7%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \sqrt{\frac{{t}^{3}}{\ell}}\right)} \cdot \frac{1}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    4. associate-*l*31.7%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    5. sqrt-div13.6%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    6. sqrt-pow113.5%

      \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    7. metadata-eval13.5%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    8. sqrt-div13.5%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    9. sqrt-pow115.1%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    10. metadata-eval15.1%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  8. Applied egg-rr15.1%

    \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  9. Step-by-step derivation
    1. associate-*r/15.1%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot 1}{\ell}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    2. *-rgt-identity15.1%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{\color{blue}{\frac{{t}^{1.5}}{\sqrt{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    3. associate-/l/14.3%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  10. Simplified14.3%

    \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  11. Taylor expanded in k around 0 56.5%

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

      \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
  13. Simplified56.2%

    \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
  14. Final simplification56.2%

    \[\leadsto \frac{2}{\left(2 \cdot k\right) \cdot \left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \]
  15. Add Preprocessing

Alternative 16: 53.2% accurate, 2.0× speedup?

\[\begin{array}{l} t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \frac{2}{\left(2 \cdot k\right) \cdot \left(k \cdot \left({t\_m}^{3} \cdot {\ell}^{-2}\right)\right)} \end{array} \]
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k)
 :precision binary64
 (* t_s (/ 2.0 (* (* 2.0 k) (* k (* (pow t_m 3.0) (pow l -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 * (2.0 / ((2.0 * k) * (k * (pow(t_m, 3.0) * pow(l, -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 * (2.0d0 / ((2.0d0 * k) * (k * ((t_m ** 3.0d0) * (l ** (-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 * (2.0 / ((2.0 * k) * (k * (Math.pow(t_m, 3.0) * Math.pow(l, -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 * (2.0 / ((2.0 * k) * (k * (math.pow(t_m, 3.0) * math.pow(l, -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(2.0 / Float64(Float64(2.0 * k) * Float64(k * Float64((t_m ^ 3.0) * (l ^ -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 * (2.0 / ((2.0 * k) * (k * ((t_m ^ 3.0) * (l ^ -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[(2.0 / N[(N[(2.0 * k), $MachinePrecision] * N[(k * N[(N[Power[t$95$m, 3.0], $MachinePrecision] * N[Power[l, -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 \frac{2}{\left(2 \cdot k\right) \cdot \left(k \cdot \left({t\_m}^{3} \cdot {\ell}^{-2}\right)\right)}
\end{array}
Derivation
  1. Initial program 56.0%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Simplified56.0%

    \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
  3. Add Preprocessing
  4. Taylor expanded in k around 0 55.1%

    \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
  5. Step-by-step derivation
    1. *-commutative55.1%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
  6. Simplified55.1%

    \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(k \cdot 2\right)}} \]
  7. Step-by-step derivation
    1. associate-/r*59.4%

      \[\leadsto \frac{2}{\left(\color{blue}{\frac{\frac{{t}^{3}}{\ell}}{\ell}} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    2. div-inv59.4%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{1}{\ell}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    3. add-sqr-sqrt31.7%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \sqrt{\frac{{t}^{3}}{\ell}}\right)} \cdot \frac{1}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    4. associate-*l*31.7%

      \[\leadsto \frac{2}{\left(\color{blue}{\left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    5. sqrt-div13.6%

      \[\leadsto \frac{2}{\left(\left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    6. sqrt-pow113.5%

      \[\leadsto \frac{2}{\left(\left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    7. metadata-eval13.5%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \left(\sqrt{\frac{{t}^{3}}{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    8. sqrt-div13.5%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\color{blue}{\frac{\sqrt{{t}^{3}}}{\sqrt{\ell}}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    9. sqrt-pow115.1%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{\color{blue}{{t}^{\left(\frac{3}{2}\right)}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    10. metadata-eval15.1%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{\color{blue}{1.5}}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  8. Applied egg-rr15.1%

    \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{1}{\ell}\right)\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  9. Step-by-step derivation
    1. associate-*r/15.1%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot 1}{\ell}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    2. *-rgt-identity15.1%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{\color{blue}{\frac{{t}^{1.5}}{\sqrt{\ell}}}}{\ell}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
    3. associate-/l/14.3%

      \[\leadsto \frac{2}{\left(\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \color{blue}{\frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}}\right) \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  10. Simplified14.3%

    \[\leadsto \frac{2}{\left(\color{blue}{\left(\frac{{t}^{1.5}}{\sqrt{\ell}} \cdot \frac{{t}^{1.5}}{\ell \cdot \sqrt{\ell}}\right)} \cdot \sin k\right) \cdot \left(k \cdot 2\right)} \]
  11. Taylor expanded in k around 0 56.5%

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

      \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
  13. Simplified56.2%

    \[\leadsto \frac{2}{\color{blue}{\left(k \cdot \frac{{t}^{3}}{{\ell}^{2}}\right)} \cdot \left(k \cdot 2\right)} \]
  14. Step-by-step derivation
    1. div-inv56.1%

      \[\leadsto \frac{2}{\left(k \cdot \color{blue}{\left({t}^{3} \cdot \frac{1}{{\ell}^{2}}\right)}\right) \cdot \left(k \cdot 2\right)} \]
    2. pow-flip56.1%

      \[\leadsto \frac{2}{\left(k \cdot \left({t}^{3} \cdot \color{blue}{{\ell}^{\left(-2\right)}}\right)\right) \cdot \left(k \cdot 2\right)} \]
    3. metadata-eval56.1%

      \[\leadsto \frac{2}{\left(k \cdot \left({t}^{3} \cdot {\ell}^{\color{blue}{-2}}\right)\right) \cdot \left(k \cdot 2\right)} \]
  15. Applied egg-rr56.1%

    \[\leadsto \frac{2}{\left(k \cdot \color{blue}{\left({t}^{3} \cdot {\ell}^{-2}\right)}\right) \cdot \left(k \cdot 2\right)} \]
  16. Final simplification56.1%

    \[\leadsto \frac{2}{\left(2 \cdot k\right) \cdot \left(k \cdot \left({t}^{3} \cdot {\ell}^{-2}\right)\right)} \]
  17. Add Preprocessing

Reproduce

?
herbie shell --seed 2024111 
(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))))