Toniolo and Linder, Equation (10-)

Percentage Accurate: 35.9% → 86.2%
Time: 1.2min
Alternatives: 19
Speedup: 35.0×

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 19 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: 35.9% 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: 86.2% accurate, 0.8× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;k\_m \leq 1.6:\\ \;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{k\_m \cdot \sin k\_m} \cdot \sqrt{\frac{\cos k\_m}{t\_m}}\right)}^{2}\\ \mathbf{elif}\;k\_m \leq 1.85 \cdot 10^{+121}:\\ \;\;\;\;\frac{\frac{2}{{k\_m}^{2}}}{\tan k\_m \cdot \left(\sin k\_m \cdot t\_m\right)} \cdot \left(\ell \cdot \ell\right)\\ \mathbf{else}:\\ \;\;\;\;{\left(\left(\sqrt{2} \cdot \frac{t\_m}{k\_m}\right) \cdot \frac{\ell}{{t\_m}^{1.5}}\right)}^{2} \cdot \frac{1}{\sin k\_m \cdot \tan k\_m}\\ \end{array} \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (*
  t_s
  (if (<= k_m 1.6)
    (pow
     (* (/ (* l (sqrt 2.0)) (* k_m (sin k_m))) (sqrt (/ (cos k_m) t_m)))
     2.0)
    (if (<= k_m 1.85e+121)
      (* (/ (/ 2.0 (pow k_m 2.0)) (* (tan k_m) (* (sin k_m) t_m))) (* l l))
      (*
       (pow (* (* (sqrt 2.0) (/ t_m k_m)) (/ l (pow t_m 1.5))) 2.0)
       (/ 1.0 (* (sin k_m) (tan k_m))))))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	double tmp;
	if (k_m <= 1.6) {
		tmp = pow((((l * sqrt(2.0)) / (k_m * sin(k_m))) * sqrt((cos(k_m) / t_m))), 2.0);
	} else if (k_m <= 1.85e+121) {
		tmp = ((2.0 / pow(k_m, 2.0)) / (tan(k_m) * (sin(k_m) * t_m))) * (l * l);
	} else {
		tmp = pow(((sqrt(2.0) * (t_m / k_m)) * (l / pow(t_m, 1.5))), 2.0) * (1.0 / (sin(k_m) * tan(k_m)));
	}
	return t_s * tmp;
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    real(8) :: tmp
    if (k_m <= 1.6d0) then
        tmp = (((l * sqrt(2.0d0)) / (k_m * sin(k_m))) * sqrt((cos(k_m) / t_m))) ** 2.0d0
    else if (k_m <= 1.85d+121) then
        tmp = ((2.0d0 / (k_m ** 2.0d0)) / (tan(k_m) * (sin(k_m) * t_m))) * (l * l)
    else
        tmp = (((sqrt(2.0d0) * (t_m / k_m)) * (l / (t_m ** 1.5d0))) ** 2.0d0) * (1.0d0 / (sin(k_m) * tan(k_m)))
    end if
    code = t_s * tmp
end function
k_m = Math.abs(k);
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_m) {
	double tmp;
	if (k_m <= 1.6) {
		tmp = Math.pow((((l * Math.sqrt(2.0)) / (k_m * Math.sin(k_m))) * Math.sqrt((Math.cos(k_m) / t_m))), 2.0);
	} else if (k_m <= 1.85e+121) {
		tmp = ((2.0 / Math.pow(k_m, 2.0)) / (Math.tan(k_m) * (Math.sin(k_m) * t_m))) * (l * l);
	} else {
		tmp = Math.pow(((Math.sqrt(2.0) * (t_m / k_m)) * (l / Math.pow(t_m, 1.5))), 2.0) * (1.0 / (Math.sin(k_m) * Math.tan(k_m)));
	}
	return t_s * tmp;
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	tmp = 0
	if k_m <= 1.6:
		tmp = math.pow((((l * math.sqrt(2.0)) / (k_m * math.sin(k_m))) * math.sqrt((math.cos(k_m) / t_m))), 2.0)
	elif k_m <= 1.85e+121:
		tmp = ((2.0 / math.pow(k_m, 2.0)) / (math.tan(k_m) * (math.sin(k_m) * t_m))) * (l * l)
	else:
		tmp = math.pow(((math.sqrt(2.0) * (t_m / k_m)) * (l / math.pow(t_m, 1.5))), 2.0) * (1.0 / (math.sin(k_m) * math.tan(k_m)))
	return t_s * tmp
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	tmp = 0.0
	if (k_m <= 1.6)
		tmp = Float64(Float64(Float64(l * sqrt(2.0)) / Float64(k_m * sin(k_m))) * sqrt(Float64(cos(k_m) / t_m))) ^ 2.0;
	elseif (k_m <= 1.85e+121)
		tmp = Float64(Float64(Float64(2.0 / (k_m ^ 2.0)) / Float64(tan(k_m) * Float64(sin(k_m) * t_m))) * Float64(l * l));
	else
		tmp = Float64((Float64(Float64(sqrt(2.0) * Float64(t_m / k_m)) * Float64(l / (t_m ^ 1.5))) ^ 2.0) * Float64(1.0 / Float64(sin(k_m) * tan(k_m))));
	end
	return Float64(t_s * tmp)
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp_2 = code(t_s, t_m, l, k_m)
	tmp = 0.0;
	if (k_m <= 1.6)
		tmp = (((l * sqrt(2.0)) / (k_m * sin(k_m))) * sqrt((cos(k_m) / t_m))) ^ 2.0;
	elseif (k_m <= 1.85e+121)
		tmp = ((2.0 / (k_m ^ 2.0)) / (tan(k_m) * (sin(k_m) * t_m))) * (l * l);
	else
		tmp = (((sqrt(2.0) * (t_m / k_m)) * (l / (t_m ^ 1.5))) ^ 2.0) * (1.0 / (sin(k_m) * tan(k_m)));
	end
	tmp_2 = t_s * tmp;
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * If[LessEqual[k$95$m, 1.6], N[Power[N[(N[(N[(l * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision] / N[(k$95$m * N[Sin[k$95$m], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[Sqrt[N[(N[Cos[k$95$m], $MachinePrecision] / t$95$m), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision], If[LessEqual[k$95$m, 1.85e+121], N[(N[(N[(2.0 / N[Power[k$95$m, 2.0], $MachinePrecision]), $MachinePrecision] / N[(N[Tan[k$95$m], $MachinePrecision] * N[(N[Sin[k$95$m], $MachinePrecision] * t$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l * l), $MachinePrecision]), $MachinePrecision], N[(N[Power[N[(N[(N[Sqrt[2.0], $MachinePrecision] * N[(t$95$m / k$95$m), $MachinePrecision]), $MachinePrecision] * N[(l / N[Power[t$95$m, 1.5], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] * N[(1.0 / N[(N[Sin[k$95$m], $MachinePrecision] * N[Tan[k$95$m], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \begin{array}{l}
\mathbf{if}\;k\_m \leq 1.6:\\
\;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{k\_m \cdot \sin k\_m} \cdot \sqrt{\frac{\cos k\_m}{t\_m}}\right)}^{2}\\

\mathbf{elif}\;k\_m \leq 1.85 \cdot 10^{+121}:\\
\;\;\;\;\frac{\frac{2}{{k\_m}^{2}}}{\tan k\_m \cdot \left(\sin k\_m \cdot t\_m\right)} \cdot \left(\ell \cdot \ell\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if k < 1.6000000000000001

    1. Initial program 36.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative36.9%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*36.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
    3. Simplified42.3%

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt26.2%

        \[\leadsto \color{blue}{\sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      2. sqrt-div19.7%

        \[\leadsto \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
      3. sqrt-div19.7%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
    6. Applied egg-rr30.3%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. unpow230.3%

        \[\leadsto \color{blue}{{\left(\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
      2. associate-/r*30.3%

        \[\leadsto {\color{blue}{\left(\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell}}}{\sqrt{\sin k \cdot \tan k}}\right)}}^{2} \]
      3. associate-/r/31.3%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{t}^{1.5}} \cdot \ell}}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      4. associate-/r/31.3%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      5. *-commutative31.3%

        \[\leadsto {\left(\frac{\frac{\color{blue}{t \cdot \frac{\sqrt{2}}{k}}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
    8. Simplified31.3%

      \[\leadsto \color{blue}{{\left(\frac{\frac{t \cdot \frac{\sqrt{2}}{k}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
    9. Taylor expanded in t around 0 47.8%

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

    if 1.6000000000000001 < k < 1.85000000000000006e121

    1. Initial program 28.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Simplified39.0%

      \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. add-log-exp17.3%

        \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
      2. exp-prod21.0%

        \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
      3. associate-*r*21.0%

        \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
      4. *-commutative21.0%

        \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
    5. Applied egg-rr21.0%

      \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    6. Taylor expanded in k around inf 78.2%

      \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(t \cdot \left(\sin k \cdot \tan k\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
    7. Step-by-step derivation
      1. associate-*r*78.2%

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

      \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
    9. Step-by-step derivation
      1. *-un-lft-identity78.2%

        \[\leadsto \color{blue}{\left(1 \cdot \frac{2}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}\right)} \cdot \left(\ell \cdot \ell\right) \]
      2. associate-/r*81.1%

        \[\leadsto \left(1 \cdot \color{blue}{\frac{\frac{2}{{k}^{2}}}{\left(t \cdot \sin k\right) \cdot \tan k}}\right) \cdot \left(\ell \cdot \ell\right) \]
      3. *-commutative81.1%

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

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

    if 1.85000000000000006e121 < k

    1. Initial program 32.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative32.9%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*32.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
    3. Simplified41.0%

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt40.9%

        \[\leadsto \color{blue}{\sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      2. sqrt-div16.4%

        \[\leadsto \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
      3. sqrt-div16.4%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
    6. Applied egg-rr16.8%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. unpow216.8%

        \[\leadsto \color{blue}{{\left(\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
      2. associate-/r*16.8%

        \[\leadsto {\color{blue}{\left(\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell}}}{\sqrt{\sin k \cdot \tan k}}\right)}}^{2} \]
      3. associate-/r/16.8%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{t}^{1.5}} \cdot \ell}}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      4. associate-/r/16.8%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      5. *-commutative16.8%

        \[\leadsto {\left(\frac{\frac{\color{blue}{t \cdot \frac{\sqrt{2}}{k}}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
    8. Simplified16.8%

      \[\leadsto \color{blue}{{\left(\frac{\frac{t \cdot \frac{\sqrt{2}}{k}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
    9. Step-by-step derivation
      1. div-inv16.8%

        \[\leadsto {\color{blue}{\left(\left(\frac{t \cdot \frac{\sqrt{2}}{k}}{{t}^{1.5}} \cdot \ell\right) \cdot \frac{1}{\sqrt{\sin k \cdot \tan k}}\right)}}^{2} \]
      2. unpow-prod-down16.8%

        \[\leadsto \color{blue}{{\left(\frac{t \cdot \frac{\sqrt{2}}{k}}{{t}^{1.5}} \cdot \ell\right)}^{2} \cdot {\left(\frac{1}{\sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
      3. associate-*l/16.8%

        \[\leadsto {\color{blue}{\left(\frac{\left(t \cdot \frac{\sqrt{2}}{k}\right) \cdot \ell}{{t}^{1.5}}\right)}}^{2} \cdot {\left(\frac{1}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      4. pow1/216.8%

        \[\leadsto {\left(\frac{\left(t \cdot \frac{\sqrt{2}}{k}\right) \cdot \ell}{{t}^{1.5}}\right)}^{2} \cdot {\left(\frac{1}{\color{blue}{{\left(\sin k \cdot \tan k\right)}^{0.5}}}\right)}^{2} \]
      5. pow-flip16.8%

        \[\leadsto {\left(\frac{\left(t \cdot \frac{\sqrt{2}}{k}\right) \cdot \ell}{{t}^{1.5}}\right)}^{2} \cdot {\color{blue}{\left({\left(\sin k \cdot \tan k\right)}^{\left(-0.5\right)}\right)}}^{2} \]
      6. *-commutative16.8%

        \[\leadsto {\left(\frac{\left(t \cdot \frac{\sqrt{2}}{k}\right) \cdot \ell}{{t}^{1.5}}\right)}^{2} \cdot {\left({\color{blue}{\left(\tan k \cdot \sin k\right)}}^{\left(-0.5\right)}\right)}^{2} \]
      7. metadata-eval16.8%

        \[\leadsto {\left(\frac{\left(t \cdot \frac{\sqrt{2}}{k}\right) \cdot \ell}{{t}^{1.5}}\right)}^{2} \cdot {\left({\left(\tan k \cdot \sin k\right)}^{\color{blue}{-0.5}}\right)}^{2} \]
    10. Applied egg-rr16.8%

      \[\leadsto \color{blue}{{\left(\frac{\left(t \cdot \frac{\sqrt{2}}{k}\right) \cdot \ell}{{t}^{1.5}}\right)}^{2} \cdot {\left({\left(\tan k \cdot \sin k\right)}^{-0.5}\right)}^{2}} \]
    11. Step-by-step derivation
      1. associate-/l*16.8%

        \[\leadsto {\color{blue}{\left(\left(t \cdot \frac{\sqrt{2}}{k}\right) \cdot \frac{\ell}{{t}^{1.5}}\right)}}^{2} \cdot {\left({\left(\tan k \cdot \sin k\right)}^{-0.5}\right)}^{2} \]
      2. *-commutative16.8%

        \[\leadsto {\left(\color{blue}{\left(\frac{\sqrt{2}}{k} \cdot t\right)} \cdot \frac{\ell}{{t}^{1.5}}\right)}^{2} \cdot {\left({\left(\tan k \cdot \sin k\right)}^{-0.5}\right)}^{2} \]
      3. associate-*l/16.8%

        \[\leadsto {\left(\color{blue}{\frac{\sqrt{2} \cdot t}{k}} \cdot \frac{\ell}{{t}^{1.5}}\right)}^{2} \cdot {\left({\left(\tan k \cdot \sin k\right)}^{-0.5}\right)}^{2} \]
      4. associate-/l*16.8%

        \[\leadsto {\left(\color{blue}{\left(\sqrt{2} \cdot \frac{t}{k}\right)} \cdot \frac{\ell}{{t}^{1.5}}\right)}^{2} \cdot {\left({\left(\tan k \cdot \sin k\right)}^{-0.5}\right)}^{2} \]
      5. unpow216.8%

        \[\leadsto {\left(\left(\sqrt{2} \cdot \frac{t}{k}\right) \cdot \frac{\ell}{{t}^{1.5}}\right)}^{2} \cdot \color{blue}{\left({\left(\tan k \cdot \sin k\right)}^{-0.5} \cdot {\left(\tan k \cdot \sin k\right)}^{-0.5}\right)} \]
      6. pow-sqr33.1%

        \[\leadsto {\left(\left(\sqrt{2} \cdot \frac{t}{k}\right) \cdot \frac{\ell}{{t}^{1.5}}\right)}^{2} \cdot \color{blue}{{\left(\tan k \cdot \sin k\right)}^{\left(2 \cdot -0.5\right)}} \]
      7. metadata-eval33.1%

        \[\leadsto {\left(\left(\sqrt{2} \cdot \frac{t}{k}\right) \cdot \frac{\ell}{{t}^{1.5}}\right)}^{2} \cdot {\left(\tan k \cdot \sin k\right)}^{\color{blue}{-1}} \]
      8. unpow-133.1%

        \[\leadsto {\left(\left(\sqrt{2} \cdot \frac{t}{k}\right) \cdot \frac{\ell}{{t}^{1.5}}\right)}^{2} \cdot \color{blue}{\frac{1}{\tan k \cdot \sin k}} \]
      9. *-commutative33.1%

        \[\leadsto {\left(\left(\sqrt{2} \cdot \frac{t}{k}\right) \cdot \frac{\ell}{{t}^{1.5}}\right)}^{2} \cdot \frac{1}{\color{blue}{\sin k \cdot \tan k}} \]
    12. Simplified33.1%

      \[\leadsto \color{blue}{{\left(\left(\sqrt{2} \cdot \frac{t}{k}\right) \cdot \frac{\ell}{{t}^{1.5}}\right)}^{2} \cdot \frac{1}{\sin k \cdot \tan k}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification49.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.6:\\ \;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{k \cdot \sin k} \cdot \sqrt{\frac{\cos k}{t}}\right)}^{2}\\ \mathbf{elif}\;k \leq 1.85 \cdot 10^{+121}:\\ \;\;\;\;\frac{\frac{2}{{k}^{2}}}{\tan k \cdot \left(\sin k \cdot t\right)} \cdot \left(\ell \cdot \ell\right)\\ \mathbf{else}:\\ \;\;\;\;{\left(\left(\sqrt{2} \cdot \frac{t}{k}\right) \cdot \frac{\ell}{{t}^{1.5}}\right)}^{2} \cdot \frac{1}{\sin k \cdot \tan k}\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 88.4% accurate, 0.3× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ \begin{array}{l} t_2 := \frac{\sqrt{2}}{k\_m}\\ t_3 := t\_m \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\\ t\_s \cdot \begin{array}{l} \mathbf{if}\;k\_m \leq 0.058:\\ \;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{k\_m \cdot \sin k\_m} \cdot \sqrt{\frac{\cos k\_m}{t\_m}}\right)}^{2}\\ \mathbf{else}:\\ \;\;\;\;\frac{\left(t\_2 \cdot \frac{t\_m}{{\left(t\_3 \cdot \sqrt[3]{\log \left(e^{\sin k\_m}\right) \cdot \tan k\_m}\right)}^{2}}\right) \cdot \left(t\_2 \cdot \frac{t\_m}{t\_3}\right)}{\sqrt[3]{\sin k\_m \cdot \tan k\_m}}\\ \end{array} \end{array} \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (let* ((t_2 (/ (sqrt 2.0) k_m)) (t_3 (* t_m (pow (cbrt l) -2.0))))
   (*
    t_s
    (if (<= k_m 0.058)
      (pow
       (* (/ (* l (sqrt 2.0)) (* k_m (sin k_m))) (sqrt (/ (cos k_m) t_m)))
       2.0)
      (/
       (*
        (*
         t_2
         (/ t_m (pow (* t_3 (cbrt (* (log (exp (sin k_m))) (tan k_m)))) 2.0)))
        (* t_2 (/ t_m t_3)))
       (cbrt (* (sin k_m) (tan k_m))))))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	double t_2 = sqrt(2.0) / k_m;
	double t_3 = t_m * pow(cbrt(l), -2.0);
	double tmp;
	if (k_m <= 0.058) {
		tmp = pow((((l * sqrt(2.0)) / (k_m * sin(k_m))) * sqrt((cos(k_m) / t_m))), 2.0);
	} else {
		tmp = ((t_2 * (t_m / pow((t_3 * cbrt((log(exp(sin(k_m))) * tan(k_m)))), 2.0))) * (t_2 * (t_m / t_3))) / cbrt((sin(k_m) * tan(k_m)));
	}
	return t_s * tmp;
}
k_m = Math.abs(k);
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_m) {
	double t_2 = Math.sqrt(2.0) / k_m;
	double t_3 = t_m * Math.pow(Math.cbrt(l), -2.0);
	double tmp;
	if (k_m <= 0.058) {
		tmp = Math.pow((((l * Math.sqrt(2.0)) / (k_m * Math.sin(k_m))) * Math.sqrt((Math.cos(k_m) / t_m))), 2.0);
	} else {
		tmp = ((t_2 * (t_m / Math.pow((t_3 * Math.cbrt((Math.log(Math.exp(Math.sin(k_m))) * Math.tan(k_m)))), 2.0))) * (t_2 * (t_m / t_3))) / Math.cbrt((Math.sin(k_m) * Math.tan(k_m)));
	}
	return t_s * tmp;
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	t_2 = Float64(sqrt(2.0) / k_m)
	t_3 = Float64(t_m * (cbrt(l) ^ -2.0))
	tmp = 0.0
	if (k_m <= 0.058)
		tmp = Float64(Float64(Float64(l * sqrt(2.0)) / Float64(k_m * sin(k_m))) * sqrt(Float64(cos(k_m) / t_m))) ^ 2.0;
	else
		tmp = Float64(Float64(Float64(t_2 * Float64(t_m / (Float64(t_3 * cbrt(Float64(log(exp(sin(k_m))) * tan(k_m)))) ^ 2.0))) * Float64(t_2 * Float64(t_m / t_3))) / cbrt(Float64(sin(k_m) * tan(k_m))));
	end
	return Float64(t_s * tmp)
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := Block[{t$95$2 = N[(N[Sqrt[2.0], $MachinePrecision] / k$95$m), $MachinePrecision]}, Block[{t$95$3 = N[(t$95$m * N[Power[N[Power[l, 1/3], $MachinePrecision], -2.0], $MachinePrecision]), $MachinePrecision]}, N[(t$95$s * If[LessEqual[k$95$m, 0.058], N[Power[N[(N[(N[(l * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision] / N[(k$95$m * N[Sin[k$95$m], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[Sqrt[N[(N[Cos[k$95$m], $MachinePrecision] / t$95$m), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision], N[(N[(N[(t$95$2 * N[(t$95$m / N[Power[N[(t$95$3 * N[Power[N[(N[Log[N[Exp[N[Sin[k$95$m], $MachinePrecision]], $MachinePrecision]], $MachinePrecision] * N[Tan[k$95$m], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(t$95$2 * N[(t$95$m / t$95$3), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Power[N[(N[Sin[k$95$m], $MachinePrecision] * N[Tan[k$95$m], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]]), $MachinePrecision]]]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
\begin{array}{l}
t_2 := \frac{\sqrt{2}}{k\_m}\\
t_3 := t\_m \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\\
t\_s \cdot \begin{array}{l}
\mathbf{if}\;k\_m \leq 0.058:\\
\;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{k\_m \cdot \sin k\_m} \cdot \sqrt{\frac{\cos k\_m}{t\_m}}\right)}^{2}\\

\mathbf{else}:\\
\;\;\;\;\frac{\left(t\_2 \cdot \frac{t\_m}{{\left(t\_3 \cdot \sqrt[3]{\log \left(e^{\sin k\_m}\right) \cdot \tan k\_m}\right)}^{2}}\right) \cdot \left(t\_2 \cdot \frac{t\_m}{t\_3}\right)}{\sqrt[3]{\sin k\_m \cdot \tan k\_m}}\\


\end{array}
\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 0.0580000000000000029

    1. Initial program 37.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative37.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*37.1%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
    3. Simplified42.5%

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt26.3%

        \[\leadsto \color{blue}{\sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      2. sqrt-div19.8%

        \[\leadsto \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
      3. sqrt-div19.8%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
    6. Applied egg-rr30.5%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. unpow230.5%

        \[\leadsto \color{blue}{{\left(\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
      2. associate-/r*30.5%

        \[\leadsto {\color{blue}{\left(\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell}}}{\sqrt{\sin k \cdot \tan k}}\right)}}^{2} \]
      3. associate-/r/31.5%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{t}^{1.5}} \cdot \ell}}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      4. associate-/r/31.4%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      5. *-commutative31.4%

        \[\leadsto {\left(\frac{\frac{\color{blue}{t \cdot \frac{\sqrt{2}}{k}}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
    8. Simplified31.4%

      \[\leadsto \color{blue}{{\left(\frac{\frac{t \cdot \frac{\sqrt{2}}{k}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
    9. Taylor expanded in t around 0 48.0%

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

    if 0.0580000000000000029 < k

    1. Initial program 30.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative30.6%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*30.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
    3. Simplified39.6%

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt39.6%

        \[\leadsto \frac{\color{blue}{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}} \cdot \sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. add-cube-cbrt39.5%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}} \cdot \sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      3. times-frac39.5%

        \[\leadsto \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
    6. Applied egg-rr77.6%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. associate-/r/77.6%

        \[\leadsto \frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}} \]
      2. associate-/r*77.6%

        \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \color{blue}{\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\sin k \cdot \tan k}}} \]
      3. associate-/r/77.7%

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

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\sin k \cdot \tan k}}} \]
    9. Step-by-step derivation
      1. *-commutative77.7%

        \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\color{blue}{\tan k \cdot \sin k}}} \]
      2. cbrt-prod77.8%

        \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\color{blue}{\sqrt[3]{\tan k} \cdot \sqrt[3]{\sin k}}} \]
    10. Applied egg-rr77.8%

      \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\color{blue}{\sqrt[3]{\tan k} \cdot \sqrt[3]{\sin k}}} \]
    11. Step-by-step derivation
      1. associate-*r/77.7%

        \[\leadsto \color{blue}{\frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\tan k} \cdot \sqrt[3]{\sin k}}} \]
    12. Applied egg-rr79.7%

      \[\leadsto \color{blue}{\frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \frac{t}{t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}}\right)}{\sqrt[3]{\sin k \cdot \tan k}}} \]
    13. Step-by-step derivation
      1. add-log-exp79.7%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\color{blue}{\log \left(e^{\sin k}\right)} \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \frac{t}{t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
    14. Applied egg-rr79.7%

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

Alternative 3: 88.5% accurate, 0.3× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ \begin{array}{l} t_2 := \sqrt[3]{\sin k\_m \cdot \tan k\_m}\\ t_3 := \frac{\sqrt{2}}{k\_m}\\ t_4 := t\_m \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\\ t\_s \cdot \begin{array}{l} \mathbf{if}\;k\_m \leq 1.6:\\ \;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{k\_m \cdot \sin k\_m} \cdot \sqrt{\frac{\cos k\_m}{t\_m}}\right)}^{2}\\ \mathbf{else}:\\ \;\;\;\;\frac{\left(t\_3 \cdot \frac{t\_m}{t\_4}\right) \cdot \left(t\_3 \cdot \frac{t\_m}{{\left(t\_4 \cdot t\_2\right)}^{2}}\right)}{t\_2}\\ \end{array} \end{array} \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (let* ((t_2 (cbrt (* (sin k_m) (tan k_m))))
        (t_3 (/ (sqrt 2.0) k_m))
        (t_4 (* t_m (pow (cbrt l) -2.0))))
   (*
    t_s
    (if (<= k_m 1.6)
      (pow
       (* (/ (* l (sqrt 2.0)) (* k_m (sin k_m))) (sqrt (/ (cos k_m) t_m)))
       2.0)
      (/ (* (* t_3 (/ t_m t_4)) (* t_3 (/ t_m (pow (* t_4 t_2) 2.0)))) t_2)))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	double t_2 = cbrt((sin(k_m) * tan(k_m)));
	double t_3 = sqrt(2.0) / k_m;
	double t_4 = t_m * pow(cbrt(l), -2.0);
	double tmp;
	if (k_m <= 1.6) {
		tmp = pow((((l * sqrt(2.0)) / (k_m * sin(k_m))) * sqrt((cos(k_m) / t_m))), 2.0);
	} else {
		tmp = ((t_3 * (t_m / t_4)) * (t_3 * (t_m / pow((t_4 * t_2), 2.0)))) / t_2;
	}
	return t_s * tmp;
}
k_m = Math.abs(k);
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_m) {
	double t_2 = Math.cbrt((Math.sin(k_m) * Math.tan(k_m)));
	double t_3 = Math.sqrt(2.0) / k_m;
	double t_4 = t_m * Math.pow(Math.cbrt(l), -2.0);
	double tmp;
	if (k_m <= 1.6) {
		tmp = Math.pow((((l * Math.sqrt(2.0)) / (k_m * Math.sin(k_m))) * Math.sqrt((Math.cos(k_m) / t_m))), 2.0);
	} else {
		tmp = ((t_3 * (t_m / t_4)) * (t_3 * (t_m / Math.pow((t_4 * t_2), 2.0)))) / t_2;
	}
	return t_s * tmp;
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	t_2 = cbrt(Float64(sin(k_m) * tan(k_m)))
	t_3 = Float64(sqrt(2.0) / k_m)
	t_4 = Float64(t_m * (cbrt(l) ^ -2.0))
	tmp = 0.0
	if (k_m <= 1.6)
		tmp = Float64(Float64(Float64(l * sqrt(2.0)) / Float64(k_m * sin(k_m))) * sqrt(Float64(cos(k_m) / t_m))) ^ 2.0;
	else
		tmp = Float64(Float64(Float64(t_3 * Float64(t_m / t_4)) * Float64(t_3 * Float64(t_m / (Float64(t_4 * t_2) ^ 2.0)))) / t_2);
	end
	return Float64(t_s * tmp)
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := Block[{t$95$2 = N[Power[N[(N[Sin[k$95$m], $MachinePrecision] * N[Tan[k$95$m], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]}, Block[{t$95$3 = N[(N[Sqrt[2.0], $MachinePrecision] / k$95$m), $MachinePrecision]}, Block[{t$95$4 = N[(t$95$m * N[Power[N[Power[l, 1/3], $MachinePrecision], -2.0], $MachinePrecision]), $MachinePrecision]}, N[(t$95$s * If[LessEqual[k$95$m, 1.6], N[Power[N[(N[(N[(l * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision] / N[(k$95$m * N[Sin[k$95$m], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[Sqrt[N[(N[Cos[k$95$m], $MachinePrecision] / t$95$m), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision], N[(N[(N[(t$95$3 * N[(t$95$m / t$95$4), $MachinePrecision]), $MachinePrecision] * N[(t$95$3 * N[(t$95$m / N[Power[N[(t$95$4 * t$95$2), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t$95$2), $MachinePrecision]]), $MachinePrecision]]]]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
\begin{array}{l}
t_2 := \sqrt[3]{\sin k\_m \cdot \tan k\_m}\\
t_3 := \frac{\sqrt{2}}{k\_m}\\
t_4 := t\_m \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\\
t\_s \cdot \begin{array}{l}
\mathbf{if}\;k\_m \leq 1.6:\\
\;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{k\_m \cdot \sin k\_m} \cdot \sqrt{\frac{\cos k\_m}{t\_m}}\right)}^{2}\\

\mathbf{else}:\\
\;\;\;\;\frac{\left(t\_3 \cdot \frac{t\_m}{t\_4}\right) \cdot \left(t\_3 \cdot \frac{t\_m}{{\left(t\_4 \cdot t\_2\right)}^{2}}\right)}{t\_2}\\


\end{array}
\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.6000000000000001

    1. Initial program 36.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative36.9%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*36.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
    3. Simplified42.3%

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt26.2%

        \[\leadsto \color{blue}{\sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      2. sqrt-div19.7%

        \[\leadsto \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
      3. sqrt-div19.7%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
    6. Applied egg-rr30.3%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. unpow230.3%

        \[\leadsto \color{blue}{{\left(\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
      2. associate-/r*30.3%

        \[\leadsto {\color{blue}{\left(\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell}}}{\sqrt{\sin k \cdot \tan k}}\right)}}^{2} \]
      3. associate-/r/31.3%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{t}^{1.5}} \cdot \ell}}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      4. associate-/r/31.3%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      5. *-commutative31.3%

        \[\leadsto {\left(\frac{\frac{\color{blue}{t \cdot \frac{\sqrt{2}}{k}}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
    8. Simplified31.3%

      \[\leadsto \color{blue}{{\left(\frac{\frac{t \cdot \frac{\sqrt{2}}{k}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
    9. Taylor expanded in t around 0 47.8%

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

    if 1.6000000000000001 < k

    1. Initial program 31.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative31.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*31.0%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt40.1%

        \[\leadsto \frac{\color{blue}{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}} \cdot \sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. add-cube-cbrt40.0%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}} \cdot \sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      3. times-frac40.0%

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

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. associate-/r/77.4%

        \[\leadsto \frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}} \]
      2. associate-/r*77.4%

        \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \color{blue}{\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\sin k \cdot \tan k}}} \]
      3. associate-/r/77.4%

        \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\sin k \cdot \tan k}} \]
    8. Simplified77.4%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\sin k \cdot \tan k}}} \]
    9. Step-by-step derivation
      1. *-commutative77.4%

        \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\color{blue}{\tan k \cdot \sin k}}} \]
      2. cbrt-prod77.5%

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

      \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\color{blue}{\sqrt[3]{\tan k} \cdot \sqrt[3]{\sin k}}} \]
    11. Step-by-step derivation
      1. associate-*r/77.4%

        \[\leadsto \color{blue}{\frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\tan k} \cdot \sqrt[3]{\sin k}}} \]
    12. Applied egg-rr79.4%

      \[\leadsto \color{blue}{\frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \frac{t}{t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}}\right)}{\sqrt[3]{\sin k \cdot \tan k}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification56.2%

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

Alternative 4: 88.5% accurate, 0.3× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ \begin{array}{l} t_2 := \sqrt[3]{\sin k\_m \cdot \tan k\_m}\\ t_3 := \frac{\sqrt{2}}{k\_m}\\ t_4 := {\left(\sqrt[3]{\ell}\right)}^{-2}\\ t\_s \cdot \begin{array}{l} \mathbf{if}\;k\_m \leq 1.6:\\ \;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{k\_m \cdot \sin k\_m} \cdot \sqrt{\frac{\cos k\_m}{t\_m}}\right)}^{2}\\ \mathbf{else}:\\ \;\;\;\;\frac{\left(t\_3 \cdot \frac{t\_m}{{\left(\left(t\_m \cdot t\_4\right) \cdot t\_2\right)}^{2}}\right) \cdot \frac{t\_3}{t\_4}}{t\_2}\\ \end{array} \end{array} \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (let* ((t_2 (cbrt (* (sin k_m) (tan k_m))))
        (t_3 (/ (sqrt 2.0) k_m))
        (t_4 (pow (cbrt l) -2.0)))
   (*
    t_s
    (if (<= k_m 1.6)
      (pow
       (* (/ (* l (sqrt 2.0)) (* k_m (sin k_m))) (sqrt (/ (cos k_m) t_m)))
       2.0)
      (/ (* (* t_3 (/ t_m (pow (* (* t_m t_4) t_2) 2.0))) (/ t_3 t_4)) t_2)))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	double t_2 = cbrt((sin(k_m) * tan(k_m)));
	double t_3 = sqrt(2.0) / k_m;
	double t_4 = pow(cbrt(l), -2.0);
	double tmp;
	if (k_m <= 1.6) {
		tmp = pow((((l * sqrt(2.0)) / (k_m * sin(k_m))) * sqrt((cos(k_m) / t_m))), 2.0);
	} else {
		tmp = ((t_3 * (t_m / pow(((t_m * t_4) * t_2), 2.0))) * (t_3 / t_4)) / t_2;
	}
	return t_s * tmp;
}
k_m = Math.abs(k);
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_m) {
	double t_2 = Math.cbrt((Math.sin(k_m) * Math.tan(k_m)));
	double t_3 = Math.sqrt(2.0) / k_m;
	double t_4 = Math.pow(Math.cbrt(l), -2.0);
	double tmp;
	if (k_m <= 1.6) {
		tmp = Math.pow((((l * Math.sqrt(2.0)) / (k_m * Math.sin(k_m))) * Math.sqrt((Math.cos(k_m) / t_m))), 2.0);
	} else {
		tmp = ((t_3 * (t_m / Math.pow(((t_m * t_4) * t_2), 2.0))) * (t_3 / t_4)) / t_2;
	}
	return t_s * tmp;
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	t_2 = cbrt(Float64(sin(k_m) * tan(k_m)))
	t_3 = Float64(sqrt(2.0) / k_m)
	t_4 = cbrt(l) ^ -2.0
	tmp = 0.0
	if (k_m <= 1.6)
		tmp = Float64(Float64(Float64(l * sqrt(2.0)) / Float64(k_m * sin(k_m))) * sqrt(Float64(cos(k_m) / t_m))) ^ 2.0;
	else
		tmp = Float64(Float64(Float64(t_3 * Float64(t_m / (Float64(Float64(t_m * t_4) * t_2) ^ 2.0))) * Float64(t_3 / t_4)) / t_2);
	end
	return Float64(t_s * tmp)
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := Block[{t$95$2 = N[Power[N[(N[Sin[k$95$m], $MachinePrecision] * N[Tan[k$95$m], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]}, Block[{t$95$3 = N[(N[Sqrt[2.0], $MachinePrecision] / k$95$m), $MachinePrecision]}, Block[{t$95$4 = N[Power[N[Power[l, 1/3], $MachinePrecision], -2.0], $MachinePrecision]}, N[(t$95$s * If[LessEqual[k$95$m, 1.6], N[Power[N[(N[(N[(l * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision] / N[(k$95$m * N[Sin[k$95$m], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[Sqrt[N[(N[Cos[k$95$m], $MachinePrecision] / t$95$m), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision], N[(N[(N[(t$95$3 * N[(t$95$m / N[Power[N[(N[(t$95$m * t$95$4), $MachinePrecision] * t$95$2), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(t$95$3 / t$95$4), $MachinePrecision]), $MachinePrecision] / t$95$2), $MachinePrecision]]), $MachinePrecision]]]]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
\begin{array}{l}
t_2 := \sqrt[3]{\sin k\_m \cdot \tan k\_m}\\
t_3 := \frac{\sqrt{2}}{k\_m}\\
t_4 := {\left(\sqrt[3]{\ell}\right)}^{-2}\\
t\_s \cdot \begin{array}{l}
\mathbf{if}\;k\_m \leq 1.6:\\
\;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{k\_m \cdot \sin k\_m} \cdot \sqrt{\frac{\cos k\_m}{t\_m}}\right)}^{2}\\

\mathbf{else}:\\
\;\;\;\;\frac{\left(t\_3 \cdot \frac{t\_m}{{\left(\left(t\_m \cdot t\_4\right) \cdot t\_2\right)}^{2}}\right) \cdot \frac{t\_3}{t\_4}}{t\_2}\\


\end{array}
\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.6000000000000001

    1. Initial program 36.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative36.9%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*36.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
    3. Simplified42.3%

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt26.2%

        \[\leadsto \color{blue}{\sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      2. sqrt-div19.7%

        \[\leadsto \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
      3. sqrt-div19.7%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
    6. Applied egg-rr30.3%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. unpow230.3%

        \[\leadsto \color{blue}{{\left(\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
      2. associate-/r*30.3%

        \[\leadsto {\color{blue}{\left(\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell}}}{\sqrt{\sin k \cdot \tan k}}\right)}}^{2} \]
      3. associate-/r/31.3%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{t}^{1.5}} \cdot \ell}}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      4. associate-/r/31.3%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      5. *-commutative31.3%

        \[\leadsto {\left(\frac{\frac{\color{blue}{t \cdot \frac{\sqrt{2}}{k}}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
    8. Simplified31.3%

      \[\leadsto \color{blue}{{\left(\frac{\frac{t \cdot \frac{\sqrt{2}}{k}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
    9. Taylor expanded in t around 0 47.8%

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

    if 1.6000000000000001 < k

    1. Initial program 31.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative31.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*31.0%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt40.1%

        \[\leadsto \frac{\color{blue}{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}} \cdot \sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. add-cube-cbrt40.0%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}} \cdot \sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      3. times-frac40.0%

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

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. associate-/r/77.4%

        \[\leadsto \frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}} \]
      2. associate-/r*77.4%

        \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \color{blue}{\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\sin k \cdot \tan k}}} \]
      3. associate-/r/77.4%

        \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\sin k \cdot \tan k}} \]
    8. Simplified77.4%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\sin k \cdot \tan k}}} \]
    9. Step-by-step derivation
      1. *-commutative77.4%

        \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\color{blue}{\tan k \cdot \sin k}}} \]
      2. cbrt-prod77.5%

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

      \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\color{blue}{\sqrt[3]{\tan k} \cdot \sqrt[3]{\sin k}}} \]
    11. Step-by-step derivation
      1. associate-*r/77.4%

        \[\leadsto \color{blue}{\frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\tan k} \cdot \sqrt[3]{\sin k}}} \]
    12. Applied egg-rr79.4%

      \[\leadsto \color{blue}{\frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \frac{t}{t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}}\right)}{\sqrt[3]{\sin k \cdot \tan k}}} \]
    13. Step-by-step derivation
      1. associate-/r*79.3%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \color{blue}{\frac{\frac{t}{t}}{{\left(\sqrt[3]{\ell}\right)}^{-2}}}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
      2. pow179.3%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \frac{\frac{\color{blue}{{t}^{1}}}{t}}{{\left(\sqrt[3]{\ell}\right)}^{-2}}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
      3. pow179.3%

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

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

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

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \frac{\color{blue}{1}}{{\left(\sqrt[3]{\ell}\right)}^{-2}}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
      7. div-inv79.4%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \color{blue}{\frac{\frac{\sqrt{2}}{k}}{{\left(\sqrt[3]{\ell}\right)}^{-2}}}}{\sqrt[3]{\sin k \cdot \tan k}} \]
    14. Applied egg-rr79.4%

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

Alternative 5: 67.6% accurate, 0.3× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ \begin{array}{l} t_2 := \sqrt[3]{\sin k\_m \cdot \tan k\_m}\\ t_3 := \frac{\sqrt{2}}{k\_m}\\ t\_s \cdot \begin{array}{l} \mathbf{if}\;k\_m \leq 1.6:\\ \;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{k\_m \cdot \sin k\_m} \cdot \sqrt{\frac{\cos k\_m}{t\_m}}\right)}^{2}\\ \mathbf{else}:\\ \;\;\;\;\frac{\left(t\_3 \cdot \frac{t\_m}{{\left(\left(t\_m \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot t\_2\right)}^{2}}\right) \cdot \left(t\_3 \cdot {\ell}^{0.6666666666666666}\right)}{t\_2}\\ \end{array} \end{array} \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (let* ((t_2 (cbrt (* (sin k_m) (tan k_m)))) (t_3 (/ (sqrt 2.0) k_m)))
   (*
    t_s
    (if (<= k_m 1.6)
      (pow
       (* (/ (* l (sqrt 2.0)) (* k_m (sin k_m))) (sqrt (/ (cos k_m) t_m)))
       2.0)
      (/
       (*
        (* t_3 (/ t_m (pow (* (* t_m (pow (cbrt l) -2.0)) t_2) 2.0)))
        (* t_3 (pow l 0.6666666666666666)))
       t_2)))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	double t_2 = cbrt((sin(k_m) * tan(k_m)));
	double t_3 = sqrt(2.0) / k_m;
	double tmp;
	if (k_m <= 1.6) {
		tmp = pow((((l * sqrt(2.0)) / (k_m * sin(k_m))) * sqrt((cos(k_m) / t_m))), 2.0);
	} else {
		tmp = ((t_3 * (t_m / pow(((t_m * pow(cbrt(l), -2.0)) * t_2), 2.0))) * (t_3 * pow(l, 0.6666666666666666))) / t_2;
	}
	return t_s * tmp;
}
k_m = Math.abs(k);
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_m) {
	double t_2 = Math.cbrt((Math.sin(k_m) * Math.tan(k_m)));
	double t_3 = Math.sqrt(2.0) / k_m;
	double tmp;
	if (k_m <= 1.6) {
		tmp = Math.pow((((l * Math.sqrt(2.0)) / (k_m * Math.sin(k_m))) * Math.sqrt((Math.cos(k_m) / t_m))), 2.0);
	} else {
		tmp = ((t_3 * (t_m / Math.pow(((t_m * Math.pow(Math.cbrt(l), -2.0)) * t_2), 2.0))) * (t_3 * Math.pow(l, 0.6666666666666666))) / t_2;
	}
	return t_s * tmp;
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	t_2 = cbrt(Float64(sin(k_m) * tan(k_m)))
	t_3 = Float64(sqrt(2.0) / k_m)
	tmp = 0.0
	if (k_m <= 1.6)
		tmp = Float64(Float64(Float64(l * sqrt(2.0)) / Float64(k_m * sin(k_m))) * sqrt(Float64(cos(k_m) / t_m))) ^ 2.0;
	else
		tmp = Float64(Float64(Float64(t_3 * Float64(t_m / (Float64(Float64(t_m * (cbrt(l) ^ -2.0)) * t_2) ^ 2.0))) * Float64(t_3 * (l ^ 0.6666666666666666))) / t_2);
	end
	return Float64(t_s * tmp)
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := Block[{t$95$2 = N[Power[N[(N[Sin[k$95$m], $MachinePrecision] * N[Tan[k$95$m], $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision]}, Block[{t$95$3 = N[(N[Sqrt[2.0], $MachinePrecision] / k$95$m), $MachinePrecision]}, N[(t$95$s * If[LessEqual[k$95$m, 1.6], N[Power[N[(N[(N[(l * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision] / N[(k$95$m * N[Sin[k$95$m], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[Sqrt[N[(N[Cos[k$95$m], $MachinePrecision] / t$95$m), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision], N[(N[(N[(t$95$3 * N[(t$95$m / N[Power[N[(N[(t$95$m * N[Power[N[Power[l, 1/3], $MachinePrecision], -2.0], $MachinePrecision]), $MachinePrecision] * t$95$2), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(t$95$3 * N[Power[l, 0.6666666666666666], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t$95$2), $MachinePrecision]]), $MachinePrecision]]]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
\begin{array}{l}
t_2 := \sqrt[3]{\sin k\_m \cdot \tan k\_m}\\
t_3 := \frac{\sqrt{2}}{k\_m}\\
t\_s \cdot \begin{array}{l}
\mathbf{if}\;k\_m \leq 1.6:\\
\;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{k\_m \cdot \sin k\_m} \cdot \sqrt{\frac{\cos k\_m}{t\_m}}\right)}^{2}\\

\mathbf{else}:\\
\;\;\;\;\frac{\left(t\_3 \cdot \frac{t\_m}{{\left(\left(t\_m \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot t\_2\right)}^{2}}\right) \cdot \left(t\_3 \cdot {\ell}^{0.6666666666666666}\right)}{t\_2}\\


\end{array}
\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.6000000000000001

    1. Initial program 36.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative36.9%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*36.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
    3. Simplified42.3%

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt26.2%

        \[\leadsto \color{blue}{\sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      2. sqrt-div19.7%

        \[\leadsto \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
      3. sqrt-div19.7%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
    6. Applied egg-rr30.3%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. unpow230.3%

        \[\leadsto \color{blue}{{\left(\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
      2. associate-/r*30.3%

        \[\leadsto {\color{blue}{\left(\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell}}}{\sqrt{\sin k \cdot \tan k}}\right)}}^{2} \]
      3. associate-/r/31.3%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{t}^{1.5}} \cdot \ell}}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      4. associate-/r/31.3%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      5. *-commutative31.3%

        \[\leadsto {\left(\frac{\frac{\color{blue}{t \cdot \frac{\sqrt{2}}{k}}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
    8. Simplified31.3%

      \[\leadsto \color{blue}{{\left(\frac{\frac{t \cdot \frac{\sqrt{2}}{k}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
    9. Taylor expanded in t around 0 47.8%

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

    if 1.6000000000000001 < k

    1. Initial program 31.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative31.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*31.0%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt40.1%

        \[\leadsto \frac{\color{blue}{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}} \cdot \sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. add-cube-cbrt40.0%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}} \cdot \sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      3. times-frac40.0%

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

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. associate-/r/77.4%

        \[\leadsto \frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}} \]
      2. associate-/r*77.4%

        \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \color{blue}{\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\sin k \cdot \tan k}}} \]
      3. associate-/r/77.4%

        \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\sin k \cdot \tan k}} \]
    8. Simplified77.4%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\sin k \cdot \tan k}}} \]
    9. Step-by-step derivation
      1. *-commutative77.4%

        \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\color{blue}{\tan k \cdot \sin k}}} \]
      2. cbrt-prod77.5%

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

      \[\leadsto \frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\color{blue}{\sqrt[3]{\tan k} \cdot \sqrt[3]{\sin k}}} \]
    11. Step-by-step derivation
      1. associate-*r/77.4%

        \[\leadsto \color{blue}{\frac{\frac{\frac{\sqrt{2}}{k} \cdot t}{{\left(\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}} \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}} \cdot \frac{\frac{\sqrt{2}}{k} \cdot t}{\frac{t}{{\left(\sqrt[3]{\ell}\right)}^{2}}}}{\sqrt[3]{\tan k} \cdot \sqrt[3]{\sin k}}} \]
    12. Applied egg-rr79.4%

      \[\leadsto \color{blue}{\frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \frac{t}{t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}}\right)}{\sqrt[3]{\sin k \cdot \tan k}}} \]
    13. Step-by-step derivation
      1. associate-/r*79.3%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \color{blue}{\frac{\frac{t}{t}}{{\left(\sqrt[3]{\ell}\right)}^{-2}}}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
      2. pow179.3%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \frac{\frac{\color{blue}{{t}^{1}}}{t}}{{\left(\sqrt[3]{\ell}\right)}^{-2}}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
      3. pow179.3%

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

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

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

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \frac{\color{blue}{1}}{{\left(\sqrt[3]{\ell}\right)}^{-2}}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
      7. pow-flip79.4%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \color{blue}{{\left(\sqrt[3]{\ell}\right)}^{\left(--2\right)}}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
      8. metadata-eval79.4%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot {\left(\sqrt[3]{\ell}\right)}^{\color{blue}{2}}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
      9. pow279.4%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \color{blue}{\left(\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}\right)}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
      10. pow1/341.8%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \left(\color{blue}{{\ell}^{0.3333333333333333}} \cdot \sqrt[3]{\ell}\right)\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
      11. pow1/341.5%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \left({\ell}^{0.3333333333333333} \cdot \color{blue}{{\ell}^{0.3333333333333333}}\right)\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
      12. pow-prod-up41.5%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \color{blue}{{\ell}^{\left(0.3333333333333333 + 0.3333333333333333\right)}}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
      13. metadata-eval41.5%

        \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot {\ell}^{\color{blue}{0.6666666666666666}}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
    14. Applied egg-rr41.5%

      \[\leadsto \frac{\left(\frac{\sqrt{2}}{k} \cdot \frac{t}{{\left(\left(t \cdot {\left(\sqrt[3]{\ell}\right)}^{-2}\right) \cdot \sqrt[3]{\sin k \cdot \tan k}\right)}^{2}}\right) \cdot \left(\frac{\sqrt{2}}{k} \cdot \color{blue}{{\ell}^{0.6666666666666666}}\right)}{\sqrt[3]{\sin k \cdot \tan k}} \]
  3. Recombined 2 regimes into one program.
  4. Add Preprocessing

Alternative 6: 86.0% accurate, 0.8× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ \begin{array}{l} t_2 := \ell \cdot \sqrt{2}\\ t\_s \cdot \begin{array}{l} \mathbf{if}\;\ell \cdot \ell \leq 10^{-295}:\\ \;\;\;\;{\left(\frac{t\_2}{{k\_m}^{2}} \cdot \sqrt{\frac{1}{t\_m}}\right)}^{2}\\ \mathbf{elif}\;\ell \cdot \ell \leq 2 \cdot 10^{+236}:\\ \;\;\;\;\frac{2}{{k\_m}^{2}} \cdot \frac{{\ell}^{2}}{\sin k\_m \cdot \left(t\_m \cdot \tan k\_m\right)}\\ \mathbf{else}:\\ \;\;\;\;{\left(\frac{t\_2}{k\_m \cdot \sin k\_m} \cdot \sqrt{\frac{\cos k\_m}{t\_m}}\right)}^{2}\\ \end{array} \end{array} \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (let* ((t_2 (* l (sqrt 2.0))))
   (*
    t_s
    (if (<= (* l l) 1e-295)
      (pow (* (/ t_2 (pow k_m 2.0)) (sqrt (/ 1.0 t_m))) 2.0)
      (if (<= (* l l) 2e+236)
        (*
         (/ 2.0 (pow k_m 2.0))
         (/ (pow l 2.0) (* (sin k_m) (* t_m (tan k_m)))))
        (pow (* (/ t_2 (* k_m (sin k_m))) (sqrt (/ (cos k_m) t_m))) 2.0))))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	double t_2 = l * sqrt(2.0);
	double tmp;
	if ((l * l) <= 1e-295) {
		tmp = pow(((t_2 / pow(k_m, 2.0)) * sqrt((1.0 / t_m))), 2.0);
	} else if ((l * l) <= 2e+236) {
		tmp = (2.0 / pow(k_m, 2.0)) * (pow(l, 2.0) / (sin(k_m) * (t_m * tan(k_m))));
	} else {
		tmp = pow(((t_2 / (k_m * sin(k_m))) * sqrt((cos(k_m) / t_m))), 2.0);
	}
	return t_s * tmp;
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    real(8) :: t_2
    real(8) :: tmp
    t_2 = l * sqrt(2.0d0)
    if ((l * l) <= 1d-295) then
        tmp = ((t_2 / (k_m ** 2.0d0)) * sqrt((1.0d0 / t_m))) ** 2.0d0
    else if ((l * l) <= 2d+236) then
        tmp = (2.0d0 / (k_m ** 2.0d0)) * ((l ** 2.0d0) / (sin(k_m) * (t_m * tan(k_m))))
    else
        tmp = ((t_2 / (k_m * sin(k_m))) * sqrt((cos(k_m) / t_m))) ** 2.0d0
    end if
    code = t_s * tmp
end function
k_m = Math.abs(k);
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_m) {
	double t_2 = l * Math.sqrt(2.0);
	double tmp;
	if ((l * l) <= 1e-295) {
		tmp = Math.pow(((t_2 / Math.pow(k_m, 2.0)) * Math.sqrt((1.0 / t_m))), 2.0);
	} else if ((l * l) <= 2e+236) {
		tmp = (2.0 / Math.pow(k_m, 2.0)) * (Math.pow(l, 2.0) / (Math.sin(k_m) * (t_m * Math.tan(k_m))));
	} else {
		tmp = Math.pow(((t_2 / (k_m * Math.sin(k_m))) * Math.sqrt((Math.cos(k_m) / t_m))), 2.0);
	}
	return t_s * tmp;
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	t_2 = l * math.sqrt(2.0)
	tmp = 0
	if (l * l) <= 1e-295:
		tmp = math.pow(((t_2 / math.pow(k_m, 2.0)) * math.sqrt((1.0 / t_m))), 2.0)
	elif (l * l) <= 2e+236:
		tmp = (2.0 / math.pow(k_m, 2.0)) * (math.pow(l, 2.0) / (math.sin(k_m) * (t_m * math.tan(k_m))))
	else:
		tmp = math.pow(((t_2 / (k_m * math.sin(k_m))) * math.sqrt((math.cos(k_m) / t_m))), 2.0)
	return t_s * tmp
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	t_2 = Float64(l * sqrt(2.0))
	tmp = 0.0
	if (Float64(l * l) <= 1e-295)
		tmp = Float64(Float64(t_2 / (k_m ^ 2.0)) * sqrt(Float64(1.0 / t_m))) ^ 2.0;
	elseif (Float64(l * l) <= 2e+236)
		tmp = Float64(Float64(2.0 / (k_m ^ 2.0)) * Float64((l ^ 2.0) / Float64(sin(k_m) * Float64(t_m * tan(k_m)))));
	else
		tmp = Float64(Float64(t_2 / Float64(k_m * sin(k_m))) * sqrt(Float64(cos(k_m) / t_m))) ^ 2.0;
	end
	return Float64(t_s * tmp)
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp_2 = code(t_s, t_m, l, k_m)
	t_2 = l * sqrt(2.0);
	tmp = 0.0;
	if ((l * l) <= 1e-295)
		tmp = ((t_2 / (k_m ^ 2.0)) * sqrt((1.0 / t_m))) ^ 2.0;
	elseif ((l * l) <= 2e+236)
		tmp = (2.0 / (k_m ^ 2.0)) * ((l ^ 2.0) / (sin(k_m) * (t_m * tan(k_m))));
	else
		tmp = ((t_2 / (k_m * sin(k_m))) * sqrt((cos(k_m) / t_m))) ^ 2.0;
	end
	tmp_2 = t_s * tmp;
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := Block[{t$95$2 = N[(l * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision]}, N[(t$95$s * If[LessEqual[N[(l * l), $MachinePrecision], 1e-295], N[Power[N[(N[(t$95$2 / N[Power[k$95$m, 2.0], $MachinePrecision]), $MachinePrecision] * N[Sqrt[N[(1.0 / t$95$m), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision], If[LessEqual[N[(l * l), $MachinePrecision], 2e+236], N[(N[(2.0 / N[Power[k$95$m, 2.0], $MachinePrecision]), $MachinePrecision] * N[(N[Power[l, 2.0], $MachinePrecision] / N[(N[Sin[k$95$m], $MachinePrecision] * N[(t$95$m * N[Tan[k$95$m], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[Power[N[(N[(t$95$2 / N[(k$95$m * N[Sin[k$95$m], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[Sqrt[N[(N[Cos[k$95$m], $MachinePrecision] / t$95$m), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]]]), $MachinePrecision]]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
\begin{array}{l}
t_2 := \ell \cdot \sqrt{2}\\
t\_s \cdot \begin{array}{l}
\mathbf{if}\;\ell \cdot \ell \leq 10^{-295}:\\
\;\;\;\;{\left(\frac{t\_2}{{k\_m}^{2}} \cdot \sqrt{\frac{1}{t\_m}}\right)}^{2}\\

\mathbf{elif}\;\ell \cdot \ell \leq 2 \cdot 10^{+236}:\\
\;\;\;\;\frac{2}{{k\_m}^{2}} \cdot \frac{{\ell}^{2}}{\sin k\_m \cdot \left(t\_m \cdot \tan k\_m\right)}\\

\mathbf{else}:\\
\;\;\;\;{\left(\frac{t\_2}{k\_m \cdot \sin k\_m} \cdot \sqrt{\frac{\cos k\_m}{t\_m}}\right)}^{2}\\


\end{array}
\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (*.f64 l l) < 1.00000000000000006e-295

    1. Initial program 14.7%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative14.7%

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

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
    3. Simplified28.1%

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt28.0%

        \[\leadsto \color{blue}{\sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      2. sqrt-div13.3%

        \[\leadsto \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
      3. sqrt-div13.3%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
    6. Applied egg-rr15.9%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. unpow215.9%

        \[\leadsto \color{blue}{{\left(\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
      2. associate-/r*15.9%

        \[\leadsto {\color{blue}{\left(\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell}}}{\sqrt{\sin k \cdot \tan k}}\right)}}^{2} \]
      3. associate-/r/18.4%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{t}^{1.5}} \cdot \ell}}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      4. associate-/r/18.4%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      5. *-commutative18.4%

        \[\leadsto {\left(\frac{\frac{\color{blue}{t \cdot \frac{\sqrt{2}}{k}}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
    8. Simplified18.4%

      \[\leadsto \color{blue}{{\left(\frac{\frac{t \cdot \frac{\sqrt{2}}{k}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
    9. Taylor expanded in k around 0 34.3%

      \[\leadsto {\color{blue}{\left(\frac{\ell \cdot \sqrt{2}}{{k}^{2}} \cdot \sqrt{\frac{1}{t}}\right)}}^{2} \]
    10. Step-by-step derivation
      1. *-commutative34.3%

        \[\leadsto {\left(\frac{\color{blue}{\sqrt{2} \cdot \ell}}{{k}^{2}} \cdot \sqrt{\frac{1}{t}}\right)}^{2} \]
    11. Simplified34.3%

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

    if 1.00000000000000006e-295 < (*.f64 l l) < 2.00000000000000011e236

    1. Initial program 43.1%

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

      \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. add-log-exp27.6%

        \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
      2. exp-prod37.1%

        \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
      3. associate-*r*37.1%

        \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
      4. *-commutative37.1%

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

      \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    6. Taylor expanded in k around inf 90.5%

      \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(t \cdot \left(\sin k \cdot \tan k\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
    7. Step-by-step derivation
      1. associate-*r*90.4%

        \[\leadsto \frac{2}{{k}^{2} \cdot \color{blue}{\left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
    8. Simplified90.4%

      \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
    9. Step-by-step derivation
      1. associate-*l/90.5%

        \[\leadsto \color{blue}{\frac{2 \cdot \left(\ell \cdot \ell\right)}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. pow290.5%

        \[\leadsto \frac{2 \cdot \color{blue}{{\ell}^{2}}}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)} \]
      3. *-commutative90.5%

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

      \[\leadsto \color{blue}{\frac{2 \cdot {\ell}^{2}}{{k}^{2} \cdot \left(\tan k \cdot \left(t \cdot \sin k\right)\right)}} \]
    11. Step-by-step derivation
      1. times-frac92.3%

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

        \[\leadsto \frac{2}{{k}^{2}} \cdot \frac{{\ell}^{2}}{\color{blue}{\left(\tan k \cdot t\right) \cdot \sin k}} \]
    12. Simplified92.2%

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

    if 2.00000000000000011e236 < (*.f64 l l)

    1. Initial program 45.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative45.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*45.2%

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

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt22.0%

        \[\leadsto \color{blue}{\sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      2. sqrt-div22.0%

        \[\leadsto \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
      3. sqrt-div22.0%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
    6. Applied egg-rr28.3%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. unpow228.3%

        \[\leadsto \color{blue}{{\left(\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
      2. associate-/r*28.3%

        \[\leadsto {\color{blue}{\left(\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell}}}{\sqrt{\sin k \cdot \tan k}}\right)}}^{2} \]
      3. associate-/r/28.3%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{t}^{1.5}} \cdot \ell}}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      4. associate-/r/28.3%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      5. *-commutative28.3%

        \[\leadsto {\left(\frac{\frac{\color{blue}{t \cdot \frac{\sqrt{2}}{k}}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
    8. Simplified28.3%

      \[\leadsto \color{blue}{{\left(\frac{\frac{t \cdot \frac{\sqrt{2}}{k}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
    9. Taylor expanded in t around 0 49.8%

      \[\leadsto {\color{blue}{\left(\frac{\ell \cdot \sqrt{2}}{k \cdot \sin k} \cdot \sqrt{\frac{\cos k}{t}}\right)}}^{2} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification61.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\ell \cdot \ell \leq 10^{-295}:\\ \;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{{k}^{2}} \cdot \sqrt{\frac{1}{t}}\right)}^{2}\\ \mathbf{elif}\;\ell \cdot \ell \leq 2 \cdot 10^{+236}:\\ \;\;\;\;\frac{2}{{k}^{2}} \cdot \frac{{\ell}^{2}}{\sin k \cdot \left(t \cdot \tan k\right)}\\ \mathbf{else}:\\ \;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{k \cdot \sin k} \cdot \sqrt{\frac{\cos k}{t}}\right)}^{2}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 83.8% accurate, 1.0× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;k\_m \leq 1.06 \cdot 10^{-14}:\\ \;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{{k\_m}^{2}} \cdot \sqrt{\frac{1}{t\_m}}\right)}^{2}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{{k\_m}^{2}}}{\tan k\_m \cdot \left(\sin k\_m \cdot t\_m\right)} \cdot \left(\ell \cdot \ell\right)\\ \end{array} \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (*
  t_s
  (if (<= k_m 1.06e-14)
    (pow (* (/ (* l (sqrt 2.0)) (pow k_m 2.0)) (sqrt (/ 1.0 t_m))) 2.0)
    (* (/ (/ 2.0 (pow k_m 2.0)) (* (tan k_m) (* (sin k_m) t_m))) (* l l)))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	double tmp;
	if (k_m <= 1.06e-14) {
		tmp = pow((((l * sqrt(2.0)) / pow(k_m, 2.0)) * sqrt((1.0 / t_m))), 2.0);
	} else {
		tmp = ((2.0 / pow(k_m, 2.0)) / (tan(k_m) * (sin(k_m) * t_m))) * (l * l);
	}
	return t_s * tmp;
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    real(8) :: tmp
    if (k_m <= 1.06d-14) then
        tmp = (((l * sqrt(2.0d0)) / (k_m ** 2.0d0)) * sqrt((1.0d0 / t_m))) ** 2.0d0
    else
        tmp = ((2.0d0 / (k_m ** 2.0d0)) / (tan(k_m) * (sin(k_m) * t_m))) * (l * l)
    end if
    code = t_s * tmp
end function
k_m = Math.abs(k);
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_m) {
	double tmp;
	if (k_m <= 1.06e-14) {
		tmp = Math.pow((((l * Math.sqrt(2.0)) / Math.pow(k_m, 2.0)) * Math.sqrt((1.0 / t_m))), 2.0);
	} else {
		tmp = ((2.0 / Math.pow(k_m, 2.0)) / (Math.tan(k_m) * (Math.sin(k_m) * t_m))) * (l * l);
	}
	return t_s * tmp;
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	tmp = 0
	if k_m <= 1.06e-14:
		tmp = math.pow((((l * math.sqrt(2.0)) / math.pow(k_m, 2.0)) * math.sqrt((1.0 / t_m))), 2.0)
	else:
		tmp = ((2.0 / math.pow(k_m, 2.0)) / (math.tan(k_m) * (math.sin(k_m) * t_m))) * (l * l)
	return t_s * tmp
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	tmp = 0.0
	if (k_m <= 1.06e-14)
		tmp = Float64(Float64(Float64(l * sqrt(2.0)) / (k_m ^ 2.0)) * sqrt(Float64(1.0 / t_m))) ^ 2.0;
	else
		tmp = Float64(Float64(Float64(2.0 / (k_m ^ 2.0)) / Float64(tan(k_m) * Float64(sin(k_m) * t_m))) * Float64(l * l));
	end
	return Float64(t_s * tmp)
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp_2 = code(t_s, t_m, l, k_m)
	tmp = 0.0;
	if (k_m <= 1.06e-14)
		tmp = (((l * sqrt(2.0)) / (k_m ^ 2.0)) * sqrt((1.0 / t_m))) ^ 2.0;
	else
		tmp = ((2.0 / (k_m ^ 2.0)) / (tan(k_m) * (sin(k_m) * t_m))) * (l * l);
	end
	tmp_2 = t_s * tmp;
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * If[LessEqual[k$95$m, 1.06e-14], N[Power[N[(N[(N[(l * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision] / N[Power[k$95$m, 2.0], $MachinePrecision]), $MachinePrecision] * N[Sqrt[N[(1.0 / t$95$m), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision], N[(N[(N[(2.0 / N[Power[k$95$m, 2.0], $MachinePrecision]), $MachinePrecision] / N[(N[Tan[k$95$m], $MachinePrecision] * N[(N[Sin[k$95$m], $MachinePrecision] * t$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l * l), $MachinePrecision]), $MachinePrecision]]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \begin{array}{l}
\mathbf{if}\;k\_m \leq 1.06 \cdot 10^{-14}:\\
\;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{{k\_m}^{2}} \cdot \sqrt{\frac{1}{t\_m}}\right)}^{2}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.06e-14

    1. Initial program 37.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative37.6%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*37.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
    3. Simplified42.6%

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt26.7%

        \[\leadsto \color{blue}{\sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      2. sqrt-div20.1%

        \[\leadsto \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
      3. sqrt-div20.1%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
    6. Applied egg-rr30.4%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. unpow230.4%

        \[\leadsto \color{blue}{{\left(\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
      2. associate-/r*30.4%

        \[\leadsto {\color{blue}{\left(\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell}}}{\sqrt{\sin k \cdot \tan k}}\right)}}^{2} \]
      3. associate-/r/31.4%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{t}^{1.5}} \cdot \ell}}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      4. associate-/r/31.4%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      5. *-commutative31.4%

        \[\leadsto {\left(\frac{\frac{\color{blue}{t \cdot \frac{\sqrt{2}}{k}}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
    8. Simplified31.4%

      \[\leadsto \color{blue}{{\left(\frac{\frac{t \cdot \frac{\sqrt{2}}{k}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
    9. Taylor expanded in k around 0 42.2%

      \[\leadsto {\color{blue}{\left(\frac{\ell \cdot \sqrt{2}}{{k}^{2}} \cdot \sqrt{\frac{1}{t}}\right)}}^{2} \]
    10. Step-by-step derivation
      1. *-commutative42.2%

        \[\leadsto {\left(\frac{\color{blue}{\sqrt{2} \cdot \ell}}{{k}^{2}} \cdot \sqrt{\frac{1}{t}}\right)}^{2} \]
    11. Simplified42.2%

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

    if 1.06e-14 < k

    1. Initial program 29.4%

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

      \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. add-log-exp28.6%

        \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
      2. exp-prod26.2%

        \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
      3. associate-*r*26.2%

        \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
      4. *-commutative26.2%

        \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
    5. Applied egg-rr26.2%

      \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    6. Taylor expanded in k around inf 68.8%

      \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(t \cdot \left(\sin k \cdot \tan k\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
    7. Step-by-step derivation
      1. associate-*r*68.7%

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

      \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
    9. Step-by-step derivation
      1. *-un-lft-identity68.7%

        \[\leadsto \color{blue}{\left(1 \cdot \frac{2}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}\right)} \cdot \left(\ell \cdot \ell\right) \]
      2. associate-/r*70.0%

        \[\leadsto \left(1 \cdot \color{blue}{\frac{\frac{2}{{k}^{2}}}{\left(t \cdot \sin k\right) \cdot \tan k}}\right) \cdot \left(\ell \cdot \ell\right) \]
      3. *-commutative70.0%

        \[\leadsto \left(1 \cdot \frac{\frac{2}{{k}^{2}}}{\color{blue}{\tan k \cdot \left(t \cdot \sin k\right)}}\right) \cdot \left(\ell \cdot \ell\right) \]
    10. Applied egg-rr70.0%

      \[\leadsto \color{blue}{\left(1 \cdot \frac{\frac{2}{{k}^{2}}}{\tan k \cdot \left(t \cdot \sin k\right)}\right)} \cdot \left(\ell \cdot \ell\right) \]
  3. Recombined 2 regimes into one program.
  4. Final simplification50.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.06 \cdot 10^{-14}:\\ \;\;\;\;{\left(\frac{\ell \cdot \sqrt{2}}{{k}^{2}} \cdot \sqrt{\frac{1}{t}}\right)}^{2}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{{k}^{2}}}{\tan k \cdot \left(\sin k \cdot t\right)} \cdot \left(\ell \cdot \ell\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 83.3% accurate, 1.0× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;k\_m \leq 1.4 \cdot 10^{-14}:\\ \;\;\;\;{\left(\left(\ell \cdot \sqrt{2}\right) \cdot \frac{\sqrt{\frac{1}{t\_m}}}{{k\_m}^{2}}\right)}^{2}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{{k\_m}^{2}}}{\tan k\_m \cdot \left(\sin k\_m \cdot t\_m\right)} \cdot \left(\ell \cdot \ell\right)\\ \end{array} \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (*
  t_s
  (if (<= k_m 1.4e-14)
    (pow (* (* l (sqrt 2.0)) (/ (sqrt (/ 1.0 t_m)) (pow k_m 2.0))) 2.0)
    (* (/ (/ 2.0 (pow k_m 2.0)) (* (tan k_m) (* (sin k_m) t_m))) (* l l)))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	double tmp;
	if (k_m <= 1.4e-14) {
		tmp = pow(((l * sqrt(2.0)) * (sqrt((1.0 / t_m)) / pow(k_m, 2.0))), 2.0);
	} else {
		tmp = ((2.0 / pow(k_m, 2.0)) / (tan(k_m) * (sin(k_m) * t_m))) * (l * l);
	}
	return t_s * tmp;
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    real(8) :: tmp
    if (k_m <= 1.4d-14) then
        tmp = ((l * sqrt(2.0d0)) * (sqrt((1.0d0 / t_m)) / (k_m ** 2.0d0))) ** 2.0d0
    else
        tmp = ((2.0d0 / (k_m ** 2.0d0)) / (tan(k_m) * (sin(k_m) * t_m))) * (l * l)
    end if
    code = t_s * tmp
end function
k_m = Math.abs(k);
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_m) {
	double tmp;
	if (k_m <= 1.4e-14) {
		tmp = Math.pow(((l * Math.sqrt(2.0)) * (Math.sqrt((1.0 / t_m)) / Math.pow(k_m, 2.0))), 2.0);
	} else {
		tmp = ((2.0 / Math.pow(k_m, 2.0)) / (Math.tan(k_m) * (Math.sin(k_m) * t_m))) * (l * l);
	}
	return t_s * tmp;
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	tmp = 0
	if k_m <= 1.4e-14:
		tmp = math.pow(((l * math.sqrt(2.0)) * (math.sqrt((1.0 / t_m)) / math.pow(k_m, 2.0))), 2.0)
	else:
		tmp = ((2.0 / math.pow(k_m, 2.0)) / (math.tan(k_m) * (math.sin(k_m) * t_m))) * (l * l)
	return t_s * tmp
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	tmp = 0.0
	if (k_m <= 1.4e-14)
		tmp = Float64(Float64(l * sqrt(2.0)) * Float64(sqrt(Float64(1.0 / t_m)) / (k_m ^ 2.0))) ^ 2.0;
	else
		tmp = Float64(Float64(Float64(2.0 / (k_m ^ 2.0)) / Float64(tan(k_m) * Float64(sin(k_m) * t_m))) * Float64(l * l));
	end
	return Float64(t_s * tmp)
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp_2 = code(t_s, t_m, l, k_m)
	tmp = 0.0;
	if (k_m <= 1.4e-14)
		tmp = ((l * sqrt(2.0)) * (sqrt((1.0 / t_m)) / (k_m ^ 2.0))) ^ 2.0;
	else
		tmp = ((2.0 / (k_m ^ 2.0)) / (tan(k_m) * (sin(k_m) * t_m))) * (l * l);
	end
	tmp_2 = t_s * tmp;
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * If[LessEqual[k$95$m, 1.4e-14], N[Power[N[(N[(l * N[Sqrt[2.0], $MachinePrecision]), $MachinePrecision] * N[(N[Sqrt[N[(1.0 / t$95$m), $MachinePrecision]], $MachinePrecision] / N[Power[k$95$m, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision], N[(N[(N[(2.0 / N[Power[k$95$m, 2.0], $MachinePrecision]), $MachinePrecision] / N[(N[Tan[k$95$m], $MachinePrecision] * N[(N[Sin[k$95$m], $MachinePrecision] * t$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l * l), $MachinePrecision]), $MachinePrecision]]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \begin{array}{l}
\mathbf{if}\;k\_m \leq 1.4 \cdot 10^{-14}:\\
\;\;\;\;{\left(\left(\ell \cdot \sqrt{2}\right) \cdot \frac{\sqrt{\frac{1}{t\_m}}}{{k\_m}^{2}}\right)}^{2}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.4e-14

    1. Initial program 37.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative37.6%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-/r*37.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
    3. Simplified42.6%

      \[\leadsto \color{blue}{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. add-sqr-sqrt26.7%

        \[\leadsto \color{blue}{\sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
      2. sqrt-div20.1%

        \[\leadsto \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \cdot \sqrt{\frac{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \]
      3. sqrt-div20.1%

        \[\leadsto \frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}} \cdot \color{blue}{\frac{\sqrt{\frac{2}{{\left(\frac{k}{t}\right)}^{2} + 0}}}{\sqrt{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)}}} \]
    6. Applied egg-rr30.4%

      \[\leadsto \color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}} \cdot \frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}} \]
    7. Step-by-step derivation
      1. unpow230.4%

        \[\leadsto \color{blue}{{\left(\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell} \cdot \sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
      2. associate-/r*30.4%

        \[\leadsto {\color{blue}{\left(\frac{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{\frac{{t}^{1.5}}{\ell}}}{\sqrt{\sin k \cdot \tan k}}\right)}}^{2} \]
      3. associate-/r/31.4%

        \[\leadsto {\left(\frac{\color{blue}{\frac{\frac{\sqrt{2}}{\frac{k}{t}}}{{t}^{1.5}} \cdot \ell}}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      4. associate-/r/31.4%

        \[\leadsto {\left(\frac{\frac{\color{blue}{\frac{\sqrt{2}}{k} \cdot t}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
      5. *-commutative31.4%

        \[\leadsto {\left(\frac{\frac{\color{blue}{t \cdot \frac{\sqrt{2}}{k}}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2} \]
    8. Simplified31.4%

      \[\leadsto \color{blue}{{\left(\frac{\frac{t \cdot \frac{\sqrt{2}}{k}}{{t}^{1.5}} \cdot \ell}{\sqrt{\sin k \cdot \tan k}}\right)}^{2}} \]
    9. Taylor expanded in k around 0 42.2%

      \[\leadsto {\color{blue}{\left(\frac{\ell \cdot \sqrt{2}}{{k}^{2}} \cdot \sqrt{\frac{1}{t}}\right)}}^{2} \]
    10. Step-by-step derivation
      1. associate-*l/41.3%

        \[\leadsto {\color{blue}{\left(\frac{\left(\ell \cdot \sqrt{2}\right) \cdot \sqrt{\frac{1}{t}}}{{k}^{2}}\right)}}^{2} \]
      2. associate-/l*42.2%

        \[\leadsto {\color{blue}{\left(\left(\ell \cdot \sqrt{2}\right) \cdot \frac{\sqrt{\frac{1}{t}}}{{k}^{2}}\right)}}^{2} \]
      3. *-commutative42.2%

        \[\leadsto {\left(\color{blue}{\left(\sqrt{2} \cdot \ell\right)} \cdot \frac{\sqrt{\frac{1}{t}}}{{k}^{2}}\right)}^{2} \]
    11. Simplified42.2%

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

    if 1.4e-14 < k

    1. Initial program 29.4%

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

      \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. add-log-exp28.6%

        \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
      2. exp-prod26.2%

        \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
      3. associate-*r*26.2%

        \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
      4. *-commutative26.2%

        \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
    5. Applied egg-rr26.2%

      \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    6. Taylor expanded in k around inf 68.8%

      \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(t \cdot \left(\sin k \cdot \tan k\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
    7. Step-by-step derivation
      1. associate-*r*68.7%

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

      \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
    9. Step-by-step derivation
      1. *-un-lft-identity68.7%

        \[\leadsto \color{blue}{\left(1 \cdot \frac{2}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}\right)} \cdot \left(\ell \cdot \ell\right) \]
      2. associate-/r*70.0%

        \[\leadsto \left(1 \cdot \color{blue}{\frac{\frac{2}{{k}^{2}}}{\left(t \cdot \sin k\right) \cdot \tan k}}\right) \cdot \left(\ell \cdot \ell\right) \]
      3. *-commutative70.0%

        \[\leadsto \left(1 \cdot \frac{\frac{2}{{k}^{2}}}{\color{blue}{\tan k \cdot \left(t \cdot \sin k\right)}}\right) \cdot \left(\ell \cdot \ell\right) \]
    10. Applied egg-rr70.0%

      \[\leadsto \color{blue}{\left(1 \cdot \frac{\frac{2}{{k}^{2}}}{\tan k \cdot \left(t \cdot \sin k\right)}\right)} \cdot \left(\ell \cdot \ell\right) \]
  3. Recombined 2 regimes into one program.
  4. Final simplification50.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.4 \cdot 10^{-14}:\\ \;\;\;\;{\left(\left(\ell \cdot \sqrt{2}\right) \cdot \frac{\sqrt{\frac{1}{t}}}{{k}^{2}}\right)}^{2}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{2}{{k}^{2}}}{\tan k \cdot \left(\sin k \cdot t\right)} \cdot \left(\ell \cdot \ell\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 74.1% accurate, 1.3× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \left(\frac{\frac{2}{{k\_m}^{2}}}{\tan k\_m \cdot \left(\sin k\_m \cdot t\_m\right)} \cdot \left(\ell \cdot \ell\right)\right) \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (* t_s (* (/ (/ 2.0 (pow k_m 2.0)) (* (tan k_m) (* (sin k_m) t_m))) (* l l))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	return t_s * (((2.0 / pow(k_m, 2.0)) / (tan(k_m) * (sin(k_m) * t_m))) * (l * l));
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    code = t_s * (((2.0d0 / (k_m ** 2.0d0)) / (tan(k_m) * (sin(k_m) * t_m))) * (l * l))
end function
k_m = Math.abs(k);
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_m) {
	return t_s * (((2.0 / Math.pow(k_m, 2.0)) / (Math.tan(k_m) * (Math.sin(k_m) * t_m))) * (l * l));
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	return t_s * (((2.0 / math.pow(k_m, 2.0)) / (math.tan(k_m) * (math.sin(k_m) * t_m))) * (l * l))
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	return Float64(t_s * Float64(Float64(Float64(2.0 / (k_m ^ 2.0)) / Float64(tan(k_m) * Float64(sin(k_m) * t_m))) * Float64(l * l)))
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp = code(t_s, t_m, l, k_m)
	tmp = t_s * (((2.0 / (k_m ^ 2.0)) / (tan(k_m) * (sin(k_m) * t_m))) * (l * l));
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * N[(N[(N[(2.0 / N[Power[k$95$m, 2.0], $MachinePrecision]), $MachinePrecision] / N[(N[Tan[k$95$m], $MachinePrecision] * N[(N[Sin[k$95$m], $MachinePrecision] * t$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(l * l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \left(\frac{\frac{2}{{k\_m}^{2}}}{\tan k\_m \cdot \left(\sin k\_m \cdot t\_m\right)} \cdot \left(\ell \cdot \ell\right)\right)
\end{array}
Derivation
  1. Initial program 35.3%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Simplified43.7%

    \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. add-log-exp25.8%

      \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    2. exp-prod32.7%

      \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    3. associate-*r*32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
    4. *-commutative32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
  5. Applied egg-rr32.7%

    \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
  6. Taylor expanded in k around inf 74.4%

    \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(t \cdot \left(\sin k \cdot \tan k\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
  7. Step-by-step derivation
    1. associate-*r*74.4%

      \[\leadsto \frac{2}{{k}^{2} \cdot \color{blue}{\left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
  8. Simplified74.4%

    \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
  9. Step-by-step derivation
    1. *-un-lft-identity74.4%

      \[\leadsto \color{blue}{\left(1 \cdot \frac{2}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}\right)} \cdot \left(\ell \cdot \ell\right) \]
    2. associate-/r*74.7%

      \[\leadsto \left(1 \cdot \color{blue}{\frac{\frac{2}{{k}^{2}}}{\left(t \cdot \sin k\right) \cdot \tan k}}\right) \cdot \left(\ell \cdot \ell\right) \]
    3. *-commutative74.7%

      \[\leadsto \left(1 \cdot \frac{\frac{2}{{k}^{2}}}{\color{blue}{\tan k \cdot \left(t \cdot \sin k\right)}}\right) \cdot \left(\ell \cdot \ell\right) \]
  10. Applied egg-rr74.7%

    \[\leadsto \color{blue}{\left(1 \cdot \frac{\frac{2}{{k}^{2}}}{\tan k \cdot \left(t \cdot \sin k\right)}\right)} \cdot \left(\ell \cdot \ell\right) \]
  11. Final simplification74.7%

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

Alternative 10: 74.1% accurate, 1.3× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{{k\_m}^{2}}}{\sin k\_m \cdot \left(t\_m \cdot \tan k\_m\right)}\right) \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (* t_s (* (* l l) (/ (/ 2.0 (pow k_m 2.0)) (* (sin k_m) (* t_m (tan k_m)))))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	return t_s * ((l * l) * ((2.0 / pow(k_m, 2.0)) / (sin(k_m) * (t_m * tan(k_m)))));
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    code = t_s * ((l * l) * ((2.0d0 / (k_m ** 2.0d0)) / (sin(k_m) * (t_m * tan(k_m)))))
end function
k_m = Math.abs(k);
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_m) {
	return t_s * ((l * l) * ((2.0 / Math.pow(k_m, 2.0)) / (Math.sin(k_m) * (t_m * Math.tan(k_m)))));
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	return t_s * ((l * l) * ((2.0 / math.pow(k_m, 2.0)) / (math.sin(k_m) * (t_m * math.tan(k_m)))))
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	return Float64(t_s * Float64(Float64(l * l) * Float64(Float64(2.0 / (k_m ^ 2.0)) / Float64(sin(k_m) * Float64(t_m * tan(k_m))))))
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp = code(t_s, t_m, l, k_m)
	tmp = t_s * ((l * l) * ((2.0 / (k_m ^ 2.0)) / (sin(k_m) * (t_m * tan(k_m)))));
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * N[(N[(l * l), $MachinePrecision] * N[(N[(2.0 / N[Power[k$95$m, 2.0], $MachinePrecision]), $MachinePrecision] / N[(N[Sin[k$95$m], $MachinePrecision] * N[(t$95$m * N[Tan[k$95$m], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{{k\_m}^{2}}}{\sin k\_m \cdot \left(t\_m \cdot \tan k\_m\right)}\right)
\end{array}
Derivation
  1. Initial program 35.3%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Simplified43.7%

    \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. add-log-exp25.8%

      \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    2. exp-prod32.7%

      \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    3. associate-*r*32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
    4. *-commutative32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
  5. Applied egg-rr32.7%

    \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
  6. Taylor expanded in k around inf 74.4%

    \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(t \cdot \left(\sin k \cdot \tan k\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
  7. Step-by-step derivation
    1. associate-*r*74.4%

      \[\leadsto \frac{2}{{k}^{2} \cdot \color{blue}{\left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
  8. Simplified74.4%

    \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
  9. Step-by-step derivation
    1. div-inv74.4%

      \[\leadsto \color{blue}{\left(2 \cdot \frac{1}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}\right)} \cdot \left(\ell \cdot \ell\right) \]
    2. *-commutative74.4%

      \[\leadsto \left(2 \cdot \frac{1}{{k}^{2} \cdot \color{blue}{\left(\tan k \cdot \left(t \cdot \sin k\right)\right)}}\right) \cdot \left(\ell \cdot \ell\right) \]
  10. Applied egg-rr74.4%

    \[\leadsto \color{blue}{\left(2 \cdot \frac{1}{{k}^{2} \cdot \left(\tan k \cdot \left(t \cdot \sin k\right)\right)}\right)} \cdot \left(\ell \cdot \ell\right) \]
  11. Step-by-step derivation
    1. associate-*r/74.4%

      \[\leadsto \color{blue}{\frac{2 \cdot 1}{{k}^{2} \cdot \left(\tan k \cdot \left(t \cdot \sin k\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
    2. metadata-eval74.4%

      \[\leadsto \frac{\color{blue}{2}}{{k}^{2} \cdot \left(\tan k \cdot \left(t \cdot \sin k\right)\right)} \cdot \left(\ell \cdot \ell\right) \]
    3. associate-/r*74.7%

      \[\leadsto \color{blue}{\frac{\frac{2}{{k}^{2}}}{\tan k \cdot \left(t \cdot \sin k\right)}} \cdot \left(\ell \cdot \ell\right) \]
    4. associate-*r*74.7%

      \[\leadsto \frac{\frac{2}{{k}^{2}}}{\color{blue}{\left(\tan k \cdot t\right) \cdot \sin k}} \cdot \left(\ell \cdot \ell\right) \]
  12. Simplified74.7%

    \[\leadsto \color{blue}{\frac{\frac{2}{{k}^{2}}}{\left(\tan k \cdot t\right) \cdot \sin k}} \cdot \left(\ell \cdot \ell\right) \]
  13. Final simplification74.7%

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

Alternative 11: 74.0% accurate, 1.3× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{2}{\left(\sin k\_m \cdot \tan k\_m\right) \cdot \left(t\_m \cdot {k\_m}^{2}\right)}\right) \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (* t_s (* (* l l) (/ 2.0 (* (* (sin k_m) (tan k_m)) (* t_m (pow k_m 2.0)))))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	return t_s * ((l * l) * (2.0 / ((sin(k_m) * tan(k_m)) * (t_m * pow(k_m, 2.0)))));
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    code = t_s * ((l * l) * (2.0d0 / ((sin(k_m) * tan(k_m)) * (t_m * (k_m ** 2.0d0)))))
end function
k_m = Math.abs(k);
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_m) {
	return t_s * ((l * l) * (2.0 / ((Math.sin(k_m) * Math.tan(k_m)) * (t_m * Math.pow(k_m, 2.0)))));
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	return t_s * ((l * l) * (2.0 / ((math.sin(k_m) * math.tan(k_m)) * (t_m * math.pow(k_m, 2.0)))))
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	return Float64(t_s * Float64(Float64(l * l) * Float64(2.0 / Float64(Float64(sin(k_m) * tan(k_m)) * Float64(t_m * (k_m ^ 2.0))))))
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp = code(t_s, t_m, l, k_m)
	tmp = t_s * ((l * l) * (2.0 / ((sin(k_m) * tan(k_m)) * (t_m * (k_m ^ 2.0)))));
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * N[(N[(l * l), $MachinePrecision] * N[(2.0 / N[(N[(N[Sin[k$95$m], $MachinePrecision] * N[Tan[k$95$m], $MachinePrecision]), $MachinePrecision] * N[(t$95$m * N[Power[k$95$m, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{2}{\left(\sin k\_m \cdot \tan k\_m\right) \cdot \left(t\_m \cdot {k\_m}^{2}\right)}\right)
\end{array}
Derivation
  1. Initial program 35.3%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Simplified43.7%

    \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. add-log-exp25.8%

      \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    2. exp-prod32.7%

      \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    3. associate-*r*32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
    4. *-commutative32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
  5. Applied egg-rr32.7%

    \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
  6. Taylor expanded in k around inf 74.4%

    \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(t \cdot \left(\sin k \cdot \tan k\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
  7. Step-by-step derivation
    1. associate-*r*74.4%

      \[\leadsto \frac{2}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \left(\sin k \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
  8. Simplified74.4%

    \[\leadsto \frac{2}{\color{blue}{\left({k}^{2} \cdot t\right) \cdot \left(\sin k \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
  9. Final simplification74.4%

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

Alternative 12: 74.0% accurate, 2.0× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{2}{\left(k\_m \cdot k\_m\right) \cdot \left(\tan k\_m \cdot \left(\sin k\_m \cdot t\_m\right)\right)}\right) \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (* t_s (* (* l l) (/ 2.0 (* (* k_m k_m) (* (tan k_m) (* (sin k_m) t_m)))))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	return t_s * ((l * l) * (2.0 / ((k_m * k_m) * (tan(k_m) * (sin(k_m) * t_m)))));
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    code = t_s * ((l * l) * (2.0d0 / ((k_m * k_m) * (tan(k_m) * (sin(k_m) * t_m)))))
end function
k_m = Math.abs(k);
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_m) {
	return t_s * ((l * l) * (2.0 / ((k_m * k_m) * (Math.tan(k_m) * (Math.sin(k_m) * t_m)))));
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	return t_s * ((l * l) * (2.0 / ((k_m * k_m) * (math.tan(k_m) * (math.sin(k_m) * t_m)))))
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	return Float64(t_s * Float64(Float64(l * l) * Float64(2.0 / Float64(Float64(k_m * k_m) * Float64(tan(k_m) * Float64(sin(k_m) * t_m))))))
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp = code(t_s, t_m, l, k_m)
	tmp = t_s * ((l * l) * (2.0 / ((k_m * k_m) * (tan(k_m) * (sin(k_m) * t_m)))));
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * N[(N[(l * l), $MachinePrecision] * N[(2.0 / N[(N[(k$95$m * k$95$m), $MachinePrecision] * N[(N[Tan[k$95$m], $MachinePrecision] * N[(N[Sin[k$95$m], $MachinePrecision] * t$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{2}{\left(k\_m \cdot k\_m\right) \cdot \left(\tan k\_m \cdot \left(\sin k\_m \cdot t\_m\right)\right)}\right)
\end{array}
Derivation
  1. Initial program 35.3%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Simplified43.7%

    \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. add-log-exp25.8%

      \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    2. exp-prod32.7%

      \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    3. associate-*r*32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
    4. *-commutative32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
  5. Applied egg-rr32.7%

    \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
  6. Taylor expanded in k around inf 74.4%

    \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(t \cdot \left(\sin k \cdot \tan k\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
  7. Step-by-step derivation
    1. associate-*r*74.4%

      \[\leadsto \frac{2}{{k}^{2} \cdot \color{blue}{\left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
  8. Simplified74.4%

    \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
  9. Step-by-step derivation
    1. unpow274.4%

      \[\leadsto \frac{2}{\color{blue}{\left(k \cdot k\right)} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)} \cdot \left(\ell \cdot \ell\right) \]
  10. Applied egg-rr74.4%

    \[\leadsto \frac{2}{\color{blue}{\left(k \cdot k\right)} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)} \cdot \left(\ell \cdot \ell\right) \]
  11. Final simplification74.4%

    \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left(k \cdot k\right) \cdot \left(\tan k \cdot \left(\sin k \cdot t\right)\right)} \]
  12. Add Preprocessing

Alternative 13: 65.0% accurate, 2.0× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{2}{{k\_m}^{2} \cdot \left(k\_m \cdot \left(\sin k\_m \cdot t\_m\right)\right)}\right) \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (* t_s (* (* l l) (/ 2.0 (* (pow k_m 2.0) (* k_m (* (sin k_m) t_m)))))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	return t_s * ((l * l) * (2.0 / (pow(k_m, 2.0) * (k_m * (sin(k_m) * t_m)))));
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    code = t_s * ((l * l) * (2.0d0 / ((k_m ** 2.0d0) * (k_m * (sin(k_m) * t_m)))))
end function
k_m = Math.abs(k);
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_m) {
	return t_s * ((l * l) * (2.0 / (Math.pow(k_m, 2.0) * (k_m * (Math.sin(k_m) * t_m)))));
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	return t_s * ((l * l) * (2.0 / (math.pow(k_m, 2.0) * (k_m * (math.sin(k_m) * t_m)))))
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	return Float64(t_s * Float64(Float64(l * l) * Float64(2.0 / Float64((k_m ^ 2.0) * Float64(k_m * Float64(sin(k_m) * t_m))))))
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp = code(t_s, t_m, l, k_m)
	tmp = t_s * ((l * l) * (2.0 / ((k_m ^ 2.0) * (k_m * (sin(k_m) * t_m)))));
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * N[(N[(l * l), $MachinePrecision] * N[(2.0 / N[(N[Power[k$95$m, 2.0], $MachinePrecision] * N[(k$95$m * N[(N[Sin[k$95$m], $MachinePrecision] * t$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{2}{{k\_m}^{2} \cdot \left(k\_m \cdot \left(\sin k\_m \cdot t\_m\right)\right)}\right)
\end{array}
Derivation
  1. Initial program 35.3%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Simplified43.7%

    \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. add-log-exp25.8%

      \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    2. exp-prod32.7%

      \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    3. associate-*r*32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
    4. *-commutative32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
  5. Applied egg-rr32.7%

    \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
  6. Taylor expanded in k around inf 74.4%

    \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(t \cdot \left(\sin k \cdot \tan k\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
  7. Step-by-step derivation
    1. associate-*r*74.4%

      \[\leadsto \frac{2}{{k}^{2} \cdot \color{blue}{\left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
  8. Simplified74.4%

    \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
  9. Taylor expanded in k around 0 64.8%

    \[\leadsto \frac{2}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \color{blue}{k}\right)} \cdot \left(\ell \cdot \ell\right) \]
  10. Final simplification64.8%

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

Alternative 14: 64.9% accurate, 2.0× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{2}{{k\_m}^{2} \cdot \left(\tan k\_m \cdot \left(k\_m \cdot t\_m\right)\right)}\right) \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (* t_s (* (* l l) (/ 2.0 (* (pow k_m 2.0) (* (tan k_m) (* k_m t_m)))))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	return t_s * ((l * l) * (2.0 / (pow(k_m, 2.0) * (tan(k_m) * (k_m * t_m)))));
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    code = t_s * ((l * l) * (2.0d0 / ((k_m ** 2.0d0) * (tan(k_m) * (k_m * t_m)))))
end function
k_m = Math.abs(k);
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_m) {
	return t_s * ((l * l) * (2.0 / (Math.pow(k_m, 2.0) * (Math.tan(k_m) * (k_m * t_m)))));
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	return t_s * ((l * l) * (2.0 / (math.pow(k_m, 2.0) * (math.tan(k_m) * (k_m * t_m)))))
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	return Float64(t_s * Float64(Float64(l * l) * Float64(2.0 / Float64((k_m ^ 2.0) * Float64(tan(k_m) * Float64(k_m * t_m))))))
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp = code(t_s, t_m, l, k_m)
	tmp = t_s * ((l * l) * (2.0 / ((k_m ^ 2.0) * (tan(k_m) * (k_m * t_m)))));
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * N[(N[(l * l), $MachinePrecision] * N[(2.0 / N[(N[Power[k$95$m, 2.0], $MachinePrecision] * N[(N[Tan[k$95$m], $MachinePrecision] * N[(k$95$m * t$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{2}{{k\_m}^{2} \cdot \left(\tan k\_m \cdot \left(k\_m \cdot t\_m\right)\right)}\right)
\end{array}
Derivation
  1. Initial program 35.3%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Simplified43.7%

    \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. add-log-exp25.8%

      \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    2. exp-prod32.7%

      \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    3. associate-*r*32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
    4. *-commutative32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
  5. Applied egg-rr32.7%

    \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
  6. Taylor expanded in k around inf 74.4%

    \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(t \cdot \left(\sin k \cdot \tan k\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
  7. Step-by-step derivation
    1. associate-*r*74.4%

      \[\leadsto \frac{2}{{k}^{2} \cdot \color{blue}{\left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
  8. Simplified74.4%

    \[\leadsto \frac{2}{\color{blue}{{k}^{2} \cdot \left(\left(t \cdot \sin k\right) \cdot \tan k\right)}} \cdot \left(\ell \cdot \ell\right) \]
  9. Taylor expanded in k around 0 64.5%

    \[\leadsto \frac{2}{{k}^{2} \cdot \left(\left(t \cdot \color{blue}{k}\right) \cdot \tan k\right)} \cdot \left(\ell \cdot \ell\right) \]
  10. Final simplification64.5%

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

Alternative 15: 62.9% accurate, 2.0× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \left(2 \cdot \frac{\frac{{\ell}^{2}}{{k\_m}^{4}}}{t\_m}\right) \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (* t_s (* 2.0 (/ (/ (pow l 2.0) (pow k_m 4.0)) t_m))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	return t_s * (2.0 * ((pow(l, 2.0) / pow(k_m, 4.0)) / t_m));
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    code = t_s * (2.0d0 * (((l ** 2.0d0) / (k_m ** 4.0d0)) / t_m))
end function
k_m = Math.abs(k);
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_m) {
	return t_s * (2.0 * ((Math.pow(l, 2.0) / Math.pow(k_m, 4.0)) / t_m));
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	return t_s * (2.0 * ((math.pow(l, 2.0) / math.pow(k_m, 4.0)) / t_m))
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	return Float64(t_s * Float64(2.0 * Float64(Float64((l ^ 2.0) / (k_m ^ 4.0)) / t_m)))
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp = code(t_s, t_m, l, k_m)
	tmp = t_s * (2.0 * (((l ^ 2.0) / (k_m ^ 4.0)) / t_m));
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * N[(2.0 * N[(N[(N[Power[l, 2.0], $MachinePrecision] / N[Power[k$95$m, 4.0], $MachinePrecision]), $MachinePrecision] / t$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \left(2 \cdot \frac{\frac{{\ell}^{2}}{{k\_m}^{4}}}{t\_m}\right)
\end{array}
Derivation
  1. Initial program 35.3%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Simplified43.7%

    \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
  3. Add Preprocessing
  4. Taylor expanded in k around 0 62.9%

    \[\leadsto \frac{2}{\color{blue}{{k}^{4} \cdot t}} \cdot \left(\ell \cdot \ell\right) \]
  5. Step-by-step derivation
    1. expm1-log1p-u48.4%

      \[\leadsto \frac{2}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left({k}^{4} \cdot t\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
    2. expm1-undefine32.1%

      \[\leadsto \frac{2}{\color{blue}{e^{\mathsf{log1p}\left({k}^{4} \cdot t\right)} - 1}} \cdot \left(\ell \cdot \ell\right) \]
    3. *-commutative32.1%

      \[\leadsto \frac{2}{e^{\mathsf{log1p}\left(\color{blue}{t \cdot {k}^{4}}\right)} - 1} \cdot \left(\ell \cdot \ell\right) \]
  6. Applied egg-rr32.1%

    \[\leadsto \frac{2}{\color{blue}{e^{\mathsf{log1p}\left(t \cdot {k}^{4}\right)} - 1}} \cdot \left(\ell \cdot \ell\right) \]
  7. Step-by-step derivation
    1. expm1-define48.4%

      \[\leadsto \frac{2}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(t \cdot {k}^{4}\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
    2. *-commutative48.4%

      \[\leadsto \frac{2}{\mathsf{expm1}\left(\mathsf{log1p}\left(\color{blue}{{k}^{4} \cdot t}\right)\right)} \cdot \left(\ell \cdot \ell\right) \]
  8. Simplified48.4%

    \[\leadsto \frac{2}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left({k}^{4} \cdot t\right)\right)}} \cdot \left(\ell \cdot \ell\right) \]
  9. Taylor expanded in k around 0 62.9%

    \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
  10. Step-by-step derivation
    1. associate-/r*63.2%

      \[\leadsto 2 \cdot \color{blue}{\frac{\frac{{\ell}^{2}}{{k}^{4}}}{t}} \]
  11. Simplified63.2%

    \[\leadsto \color{blue}{2 \cdot \frac{\frac{{\ell}^{2}}{{k}^{4}}}{t}} \]
  12. Add Preprocessing

Alternative 16: 62.6% accurate, 3.8× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{{k\_m}^{4}}}{t\_m}\right) \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (* t_s (* (* l l) (/ (/ 2.0 (pow k_m 4.0)) t_m))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	return t_s * ((l * l) * ((2.0 / pow(k_m, 4.0)) / t_m));
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    code = t_s * ((l * l) * ((2.0d0 / (k_m ** 4.0d0)) / t_m))
end function
k_m = Math.abs(k);
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_m) {
	return t_s * ((l * l) * ((2.0 / Math.pow(k_m, 4.0)) / t_m));
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	return t_s * ((l * l) * ((2.0 / math.pow(k_m, 4.0)) / t_m))
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	return Float64(t_s * Float64(Float64(l * l) * Float64(Float64(2.0 / (k_m ^ 4.0)) / t_m)))
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp = code(t_s, t_m, l, k_m)
	tmp = t_s * ((l * l) * ((2.0 / (k_m ^ 4.0)) / t_m));
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * N[(N[(l * l), $MachinePrecision] * N[(N[(2.0 / N[Power[k$95$m, 4.0], $MachinePrecision]), $MachinePrecision] / t$95$m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{{k\_m}^{4}}}{t\_m}\right)
\end{array}
Derivation
  1. Initial program 35.3%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Simplified43.7%

    \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. add-cube-cbrt43.7%

      \[\leadsto \frac{2}{\color{blue}{\left(\sqrt[3]{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \sqrt[3]{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right) \cdot \sqrt[3]{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}}} \cdot \left(\ell \cdot \ell\right) \]
    2. pow343.7%

      \[\leadsto \frac{2}{\color{blue}{{\left(\sqrt[3]{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}^{3}}} \cdot \left(\ell \cdot \ell\right) \]
    3. cbrt-prod43.7%

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

      \[\leadsto \frac{2}{{\left(\color{blue}{t} \cdot \sqrt[3]{\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)}\right)}^{3}} \cdot \left(\ell \cdot \ell\right) \]
    5. associate-*r*61.2%

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

      \[\leadsto \frac{2}{{\left(t \cdot \sqrt[3]{\color{blue}{{\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)}}\right)}^{3}} \cdot \left(\ell \cdot \ell\right) \]
  5. Applied egg-rr61.2%

    \[\leadsto \frac{2}{\color{blue}{{\left(t \cdot \sqrt[3]{{\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)}\right)}^{3}}} \cdot \left(\ell \cdot \ell\right) \]
  6. Taylor expanded in k around 0 62.9%

    \[\leadsto \color{blue}{\frac{2}{{k}^{4} \cdot t}} \cdot \left(\ell \cdot \ell\right) \]
  7. Step-by-step derivation
    1. associate-/r*62.9%

      \[\leadsto \color{blue}{\frac{\frac{2}{{k}^{4}}}{t}} \cdot \left(\ell \cdot \ell\right) \]
  8. Simplified62.9%

    \[\leadsto \color{blue}{\frac{\frac{2}{{k}^{4}}}{t}} \cdot \left(\ell \cdot \ell\right) \]
  9. Final simplification62.9%

    \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{{k}^{4}}}{t} \]
  10. Add Preprocessing

Alternative 17: 62.7% accurate, 3.8× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{2}{t\_m \cdot {k\_m}^{4}}\right) \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (* t_s (* (* l l) (/ 2.0 (* t_m (pow k_m 4.0))))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	return t_s * ((l * l) * (2.0 / (t_m * pow(k_m, 4.0))));
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    code = t_s * ((l * l) * (2.0d0 / (t_m * (k_m ** 4.0d0))))
end function
k_m = Math.abs(k);
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_m) {
	return t_s * ((l * l) * (2.0 / (t_m * Math.pow(k_m, 4.0))));
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	return t_s * ((l * l) * (2.0 / (t_m * math.pow(k_m, 4.0))))
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	return Float64(t_s * Float64(Float64(l * l) * Float64(2.0 / Float64(t_m * (k_m ^ 4.0)))))
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp = code(t_s, t_m, l, k_m)
	tmp = t_s * ((l * l) * (2.0 / (t_m * (k_m ^ 4.0))));
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * N[(N[(l * l), $MachinePrecision] * N[(2.0 / N[(t$95$m * N[Power[k$95$m, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot \frac{2}{t\_m \cdot {k\_m}^{4}}\right)
\end{array}
Derivation
  1. Initial program 35.3%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Simplified43.7%

    \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
  3. Add Preprocessing
  4. Taylor expanded in k around 0 62.9%

    \[\leadsto \frac{2}{\color{blue}{{k}^{4} \cdot t}} \cdot \left(\ell \cdot \ell\right) \]
  5. Final simplification62.9%

    \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{t \cdot {k}^{4}} \]
  6. Add Preprocessing

Alternative 18: 55.9% accurate, 35.0× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \begin{array}{l} \mathbf{if}\;k\_m \leq 1.6 \cdot 10^{-29}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{0}\\ \mathbf{else}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot 0\\ \end{array} \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m)
 :precision binary64
 (* t_s (if (<= k_m 1.6e-29) (* (* l l) (/ 2.0 0.0)) (* (* l l) 0.0))))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	double tmp;
	if (k_m <= 1.6e-29) {
		tmp = (l * l) * (2.0 / 0.0);
	} else {
		tmp = (l * l) * 0.0;
	}
	return t_s * tmp;
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    real(8) :: tmp
    if (k_m <= 1.6d-29) then
        tmp = (l * l) * (2.0d0 / 0.0d0)
    else
        tmp = (l * l) * 0.0d0
    end if
    code = t_s * tmp
end function
k_m = Math.abs(k);
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_m) {
	double tmp;
	if (k_m <= 1.6e-29) {
		tmp = (l * l) * (2.0 / 0.0);
	} else {
		tmp = (l * l) * 0.0;
	}
	return t_s * tmp;
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	tmp = 0
	if k_m <= 1.6e-29:
		tmp = (l * l) * (2.0 / 0.0)
	else:
		tmp = (l * l) * 0.0
	return t_s * tmp
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	tmp = 0.0
	if (k_m <= 1.6e-29)
		tmp = Float64(Float64(l * l) * Float64(2.0 / 0.0));
	else
		tmp = Float64(Float64(l * l) * 0.0);
	end
	return Float64(t_s * tmp)
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp_2 = code(t_s, t_m, l, k_m)
	tmp = 0.0;
	if (k_m <= 1.6e-29)
		tmp = (l * l) * (2.0 / 0.0);
	else
		tmp = (l * l) * 0.0;
	end
	tmp_2 = t_s * tmp;
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * If[LessEqual[k$95$m, 1.6e-29], N[(N[(l * l), $MachinePrecision] * N[(2.0 / 0.0), $MachinePrecision]), $MachinePrecision], N[(N[(l * l), $MachinePrecision] * 0.0), $MachinePrecision]]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \begin{array}{l}
\mathbf{if}\;k\_m \leq 1.6 \cdot 10^{-29}:\\
\;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{0}\\

\mathbf{else}:\\
\;\;\;\;\left(\ell \cdot \ell\right) \cdot 0\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.6e-29

    1. Initial program 37.9%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
    2. Simplified44.8%

      \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. add-log-exp24.7%

        \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
      2. exp-prod35.4%

        \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
      3. associate-*r*35.4%

        \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
      4. *-commutative35.4%

        \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
    5. Applied egg-rr35.4%

      \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    6. Taylor expanded in t around 0 27.2%

      \[\leadsto \frac{2}{\log \color{blue}{1}} \cdot \left(\ell \cdot \ell\right) \]
    7. Step-by-step derivation
      1. metadata-eval27.2%

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

      \[\leadsto \frac{2}{\color{blue}{0}} \cdot \left(\ell \cdot \ell\right) \]

    if 1.6e-29 < k

    1. Initial program 29.1%

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

      \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
    3. Add Preprocessing
    4. Step-by-step derivation
      1. add-log-exp28.5%

        \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
      2. exp-prod26.2%

        \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
      3. associate-*r*26.2%

        \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
      4. *-commutative26.2%

        \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
    5. Applied egg-rr26.2%

      \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    6. Taylor expanded in t around 0 5.1%

      \[\leadsto \frac{2}{\log \color{blue}{1}} \cdot \left(\ell \cdot \ell\right) \]
    7. Step-by-step derivation
      1. metadata-eval5.1%

        \[\leadsto \frac{2}{\color{blue}{0}} \cdot \left(\ell \cdot \ell\right) \]
    8. Applied egg-rr5.1%

      \[\leadsto \frac{2}{\color{blue}{0}} \cdot \left(\ell \cdot \ell\right) \]
    9. Step-by-step derivation
      1. clear-num5.1%

        \[\leadsto \color{blue}{\frac{1}{\frac{0}{2}}} \cdot \left(\ell \cdot \ell\right) \]
      2. metadata-eval5.1%

        \[\leadsto \frac{1}{\color{blue}{0}} \cdot \left(\ell \cdot \ell\right) \]
      3. inv-pow5.1%

        \[\leadsto \color{blue}{{0}^{-1}} \cdot \left(\ell \cdot \ell\right) \]
    10. Applied egg-rr5.1%

      \[\leadsto \color{blue}{{0}^{-1}} \cdot \left(\ell \cdot \ell\right) \]
    11. Step-by-step derivation
      1. pow-base-042.3%

        \[\leadsto \color{blue}{0} \cdot \left(\ell \cdot \ell\right) \]
    12. Simplified42.3%

      \[\leadsto \color{blue}{0} \cdot \left(\ell \cdot \ell\right) \]
  3. Recombined 2 regimes into one program.
  4. Final simplification31.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.6 \cdot 10^{-29}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{0}\\ \mathbf{else}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot 0\\ \end{array} \]
  5. Add Preprocessing

Alternative 19: 28.0% accurate, 84.2× speedup?

\[\begin{array}{l} k_m = \left|k\right| \\ t\_m = \left|t\right| \\ t\_s = \mathsf{copysign}\left(1, t\right) \\ t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot 0\right) \end{array} \]
k_m = (fabs.f64 k)
t\_m = (fabs.f64 t)
t\_s = (copysign.f64 #s(literal 1 binary64) t)
(FPCore (t_s t_m l k_m) :precision binary64 (* t_s (* (* l l) 0.0)))
k_m = fabs(k);
t\_m = fabs(t);
t\_s = copysign(1.0, t);
double code(double t_s, double t_m, double l, double k_m) {
	return t_s * ((l * l) * 0.0);
}
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0d0, t)
real(8) function code(t_s, t_m, l, k_m)
    real(8), intent (in) :: t_s
    real(8), intent (in) :: t_m
    real(8), intent (in) :: l
    real(8), intent (in) :: k_m
    code = t_s * ((l * l) * 0.0d0)
end function
k_m = Math.abs(k);
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_m) {
	return t_s * ((l * l) * 0.0);
}
k_m = math.fabs(k)
t\_m = math.fabs(t)
t\_s = math.copysign(1.0, t)
def code(t_s, t_m, l, k_m):
	return t_s * ((l * l) * 0.0)
k_m = abs(k)
t\_m = abs(t)
t\_s = copysign(1.0, t)
function code(t_s, t_m, l, k_m)
	return Float64(t_s * Float64(Float64(l * l) * 0.0))
end
k_m = abs(k);
t\_m = abs(t);
t\_s = sign(t) * abs(1.0);
function tmp = code(t_s, t_m, l, k_m)
	tmp = t_s * ((l * l) * 0.0);
end
k_m = N[Abs[k], $MachinePrecision]
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$95$m_] := N[(t$95$s * N[(N[(l * l), $MachinePrecision] * 0.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
k_m = \left|k\right|
\\
t\_m = \left|t\right|
\\
t\_s = \mathsf{copysign}\left(1, t\right)

\\
t\_s \cdot \left(\left(\ell \cdot \ell\right) \cdot 0\right)
\end{array}
Derivation
  1. Initial program 35.3%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)} \]
  2. Simplified43.7%

    \[\leadsto \color{blue}{\frac{2}{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \left(\ell \cdot \ell\right)} \]
  3. Add Preprocessing
  4. Step-by-step derivation
    1. add-log-exp25.8%

      \[\leadsto \frac{2}{\color{blue}{\log \left(e^{{t}^{3} \cdot \left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    2. exp-prod32.7%

      \[\leadsto \frac{2}{\log \color{blue}{\left({\left(e^{{t}^{3}}\right)}^{\left(\sin k \cdot \left(\tan k \cdot {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
    3. associate-*r*32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left(\left(\sin k \cdot \tan k\right) \cdot {\left(\frac{k}{t}\right)}^{2}\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
    4. *-commutative32.7%

      \[\leadsto \frac{2}{\log \left({\left(e^{{t}^{3}}\right)}^{\color{blue}{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}}\right)} \cdot \left(\ell \cdot \ell\right) \]
  5. Applied egg-rr32.7%

    \[\leadsto \frac{2}{\color{blue}{\log \left({\left(e^{{t}^{3}}\right)}^{\left({\left(\frac{k}{t}\right)}^{2} \cdot \left(\sin k \cdot \tan k\right)\right)}\right)}} \cdot \left(\ell \cdot \ell\right) \]
  6. Taylor expanded in t around 0 20.7%

    \[\leadsto \frac{2}{\log \color{blue}{1}} \cdot \left(\ell \cdot \ell\right) \]
  7. Step-by-step derivation
    1. metadata-eval20.7%

      \[\leadsto \frac{2}{\color{blue}{0}} \cdot \left(\ell \cdot \ell\right) \]
  8. Applied egg-rr20.7%

    \[\leadsto \frac{2}{\color{blue}{0}} \cdot \left(\ell \cdot \ell\right) \]
  9. Step-by-step derivation
    1. clear-num20.7%

      \[\leadsto \color{blue}{\frac{1}{\frac{0}{2}}} \cdot \left(\ell \cdot \ell\right) \]
    2. metadata-eval20.7%

      \[\leadsto \frac{1}{\color{blue}{0}} \cdot \left(\ell \cdot \ell\right) \]
    3. inv-pow20.7%

      \[\leadsto \color{blue}{{0}^{-1}} \cdot \left(\ell \cdot \ell\right) \]
  10. Applied egg-rr20.7%

    \[\leadsto \color{blue}{{0}^{-1}} \cdot \left(\ell \cdot \ell\right) \]
  11. Step-by-step derivation
    1. pow-base-027.2%

      \[\leadsto \color{blue}{0} \cdot \left(\ell \cdot \ell\right) \]
  12. Simplified27.2%

    \[\leadsto \color{blue}{0} \cdot \left(\ell \cdot \ell\right) \]
  13. Final simplification27.2%

    \[\leadsto \left(\ell \cdot \ell\right) \cdot 0 \]
  14. Add Preprocessing

Reproduce

?
herbie shell --seed 2024116 
(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))))