\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)}\begin{array}{l}
\mathbf{if}\;t \le -2.9313676215627785 \cdot 10^{120}:\\
\;\;\;\;\frac{2 \cdot \left(\ell \cdot \ell\right)}{\left({\left(\frac{k}{t}\right)}^{\left(\frac{2}{2}\right)} \cdot \left(\left(\left(\left({\left(\frac{k}{t}\right)}^{\left(\frac{2}{2}\right)} \cdot {\left(\sqrt[3]{t}\right)}^{3}\right) \cdot {\left(\sqrt[3]{t}\right)}^{3}\right) \cdot {\left(\sqrt[3]{t}\right)}^{3}\right) \cdot \tan k\right)\right) \cdot \sin k}\\
\mathbf{elif}\;t \le -7.7911602116379966 \cdot 10^{-98}:\\
\;\;\;\;\frac{\frac{2 \cdot \ell}{{\left(\frac{k}{t}\right)}^{\left(2 \cdot \frac{2}{2}\right)} \cdot {t}^{3}} \cdot \frac{\ell}{\tan k}}{\sin k}\\
\mathbf{elif}\;t \le 2.0255652128622138 \cdot 10^{-101}:\\
\;\;\;\;\frac{2 \cdot \left(\ell \cdot \ell\right)}{\left({\left(\frac{k}{t}\right)}^{\left(\frac{2}{2}\right)} \cdot \left(\left(\left(\left({\left(\frac{k}{t}\right)}^{\left(\frac{2}{2}\right)} \cdot {\left(\sqrt[3]{t}\right)}^{3}\right) \cdot {\left(\sqrt[3]{t}\right)}^{3}\right) \cdot {\left(\sqrt[3]{t}\right)}^{3}\right) \cdot \tan k\right)\right) \cdot \sin k}\\
\mathbf{elif}\;t \le 4.95901555545514021 \cdot 10^{102}:\\
\;\;\;\;\frac{\frac{2 \cdot \ell}{{\left(\frac{k}{t}\right)}^{\left(2 \cdot \frac{2}{2}\right)} \cdot {t}^{3}} \cdot \frac{\ell}{\tan k}}{\sin k}\\
\mathbf{else}:\\
\;\;\;\;\frac{2 \cdot \left(\ell \cdot \ell\right)}{\left({\left(\frac{k}{t}\right)}^{\left(\frac{2}{2}\right)} \cdot \left(\left(\left({\left(\frac{k}{t}\right)}^{\left(\frac{2}{2}\right)} \cdot {t}^{\left(\frac{3}{2}\right)}\right) \cdot {t}^{\left(\frac{3}{2}\right)}\right) \cdot \tan k\right)\right) \cdot \sin k}\\
\end{array}double code(double t, double l, double k) {
return ((double) (2.0 / ((double) (((double) (((double) (((double) (((double) pow(t, 3.0)) / ((double) (l * l)))) * ((double) sin(k)))) * ((double) tan(k)))) * ((double) (((double) (1.0 + ((double) pow(((double) (k / t)), 2.0)))) - 1.0))))));
}
double code(double t, double l, double k) {
double VAR;
if ((t <= -2.9313676215627785e+120)) {
VAR = ((double) (((double) (2.0 * ((double) (l * l)))) / ((double) (((double) (((double) pow(((double) (k / t)), ((double) (2.0 / 2.0)))) * ((double) (((double) (((double) (((double) (((double) pow(((double) (k / t)), ((double) (2.0 / 2.0)))) * ((double) pow(((double) cbrt(t)), 3.0)))) * ((double) pow(((double) cbrt(t)), 3.0)))) * ((double) pow(((double) cbrt(t)), 3.0)))) * ((double) tan(k)))))) * ((double) sin(k))))));
} else {
double VAR_1;
if ((t <= -7.791160211637997e-98)) {
VAR_1 = ((double) (((double) (((double) (((double) (2.0 * l)) / ((double) (((double) pow(((double) (k / t)), ((double) (2.0 * ((double) (2.0 / 2.0)))))) * ((double) pow(t, 3.0)))))) * ((double) (l / ((double) tan(k)))))) / ((double) sin(k))));
} else {
double VAR_2;
if ((t <= 2.0255652128622138e-101)) {
VAR_2 = ((double) (((double) (2.0 * ((double) (l * l)))) / ((double) (((double) (((double) pow(((double) (k / t)), ((double) (2.0 / 2.0)))) * ((double) (((double) (((double) (((double) (((double) pow(((double) (k / t)), ((double) (2.0 / 2.0)))) * ((double) pow(((double) cbrt(t)), 3.0)))) * ((double) pow(((double) cbrt(t)), 3.0)))) * ((double) pow(((double) cbrt(t)), 3.0)))) * ((double) tan(k)))))) * ((double) sin(k))))));
} else {
double VAR_3;
if ((t <= 4.95901555545514e+102)) {
VAR_3 = ((double) (((double) (((double) (((double) (2.0 * l)) / ((double) (((double) pow(((double) (k / t)), ((double) (2.0 * ((double) (2.0 / 2.0)))))) * ((double) pow(t, 3.0)))))) * ((double) (l / ((double) tan(k)))))) / ((double) sin(k))));
} else {
VAR_3 = ((double) (((double) (2.0 * ((double) (l * l)))) / ((double) (((double) (((double) pow(((double) (k / t)), ((double) (2.0 / 2.0)))) * ((double) (((double) (((double) (((double) pow(((double) (k / t)), ((double) (2.0 / 2.0)))) * ((double) pow(t, ((double) (3.0 / 2.0)))))) * ((double) pow(t, ((double) (3.0 / 2.0)))))) * ((double) tan(k)))))) * ((double) sin(k))))));
}
VAR_2 = VAR_3;
}
VAR_1 = VAR_2;
}
VAR = VAR_1;
}
return VAR;
}



Bits error versus t



Bits error versus l



Bits error versus k
Results
if t < -2.9313676215627785e120 or -7.7911602116379966e-98 < t < 2.0255652128622138e-101Initial program 59.5
Simplified53.9
rmApplied sqr-pow53.9
Applied associate-*l*50.1
rmApplied associate-*r*50.0
rmApplied add-cube-cbrt50.0
Applied unpow-prod-down50.0
Applied associate-*r*43.0
rmApplied unpow-prod-down43.0
Applied associate-*r*33.6
if -2.9313676215627785e120 < t < -7.7911602116379966e-98 or 2.0255652128622138e-101 < t < 4.95901555545514021e102Initial program 31.8
Simplified24.3
rmApplied sqr-pow24.3
Applied associate-*l*21.9
rmApplied associate-*r*21.8
rmApplied associate-/r*21.4
Simplified18.3
if 4.95901555545514021e102 < t Initial program 52.6
Simplified38.0
rmApplied sqr-pow38.0
Applied associate-*l*30.7
rmApplied associate-*r*30.7
rmApplied sqr-pow30.7
Applied associate-*r*27.8
Final simplification27.1
herbie shell --seed 2020168
(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))))