\left({\left(\frac{d}{h}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{d}{\ell}\right)}^{\left(\frac{1}{2}\right)}\right) \cdot \left(1 - \left(\frac{1}{2} \cdot {\left(\frac{M \cdot D}{2 \cdot d}\right)}^{2}\right) \cdot \frac{h}{\ell}\right)\begin{array}{l}
\mathbf{if}\;\ell \le -2.3201941826751998 \cdot 10^{117}:\\
\;\;\;\;\left(\left({\left(\frac{1}{\sqrt[3]{h} \cdot \sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot \left({\left(\frac{1}{\sqrt[3]{\sqrt[3]{h}} \cdot \sqrt[3]{\sqrt[3]{h}}}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{d}{\sqrt[3]{\sqrt[3]{h}}}\right)}^{\left(\frac{1}{2}\right)}\right)\right) \cdot \left({\left(\sqrt[3]{d} \cdot \sqrt[3]{d}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{\sqrt[3]{d}}{\ell}\right)}^{\left(\frac{1}{2}\right)}\right)\right) \cdot \left(1 - \left(\frac{1}{2} \cdot {\left(\frac{M \cdot D}{2 \cdot d}\right)}^{2}\right) \cdot \frac{h}{\ell}\right)\\
\mathbf{elif}\;\ell \le 6.60474843015165445 \cdot 10^{200}:\\
\;\;\;\;\left(\left({\left(\frac{1}{\sqrt[3]{h} \cdot \sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{d}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)}\right) \cdot \left({\left(\sqrt[3]{d} \cdot \sqrt[3]{d}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{\sqrt[3]{d}}{\ell}\right)}^{\left(\frac{1}{2}\right)}\right)\right) \cdot \left(1 - \frac{\left(1 \cdot {\left(\frac{M}{2} \cdot \frac{D}{d}\right)}^{2}\right) \cdot h}{2 \cdot \ell}\right)\\
\mathbf{elif}\;\ell \le 7.6805154211820154 \cdot 10^{283}:\\
\;\;\;\;1 \cdot \left(e^{\log d \cdot 1} \cdot {\left(\frac{1}{{\left({\left(e^{1}\right)}^{\left(\log h\right)}\right)}^{1} \cdot {\left({\left(e^{1}\right)}^{\left(\log \ell\right)}\right)}^{1}}\right)}^{0.5}\right)\\
\mathbf{else}:\\
\;\;\;\;\left(\left({\left(\frac{1}{\sqrt[3]{h} \cdot \sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{d}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)}\right) \cdot \left({\left(\frac{\sqrt[3]{d} \cdot \sqrt[3]{d}}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{\sqrt[3]{d}}{\sqrt[3]{\ell}}\right)}^{\left(\frac{1}{2}\right)}\right)\right) \cdot \left(1 - \left(\frac{1}{2} \cdot {\left(\frac{M \cdot D}{2 \cdot d}\right)}^{2}\right) \cdot \frac{h}{\ell}\right)\\
\end{array}double code(double d, double h, double l, double M, double D) {
return ((double) (((double) (((double) pow((d / h), (1.0 / 2.0))) * ((double) pow((d / l), (1.0 / 2.0))))) * ((double) (1.0 - ((double) (((double) ((1.0 / 2.0) * ((double) pow((((double) (M * D)) / ((double) (2.0 * d))), 2.0)))) * (h / l)))))));
}
double code(double d, double h, double l, double M, double D) {
double VAR;
if ((l <= -2.3201941826751998e+117)) {
VAR = ((double) (((double) (((double) (((double) pow((1.0 / ((double) (((double) cbrt(h)) * ((double) cbrt(h))))), (1.0 / 2.0))) * ((double) (((double) pow((1.0 / ((double) (((double) cbrt(((double) cbrt(h)))) * ((double) cbrt(((double) cbrt(h))))))), (1.0 / 2.0))) * ((double) pow((d / ((double) cbrt(((double) cbrt(h))))), (1.0 / 2.0))))))) * ((double) (((double) pow(((double) (((double) cbrt(d)) * ((double) cbrt(d)))), (1.0 / 2.0))) * ((double) pow((((double) cbrt(d)) / l), (1.0 / 2.0))))))) * ((double) (1.0 - ((double) (((double) ((1.0 / 2.0) * ((double) pow((((double) (M * D)) / ((double) (2.0 * d))), 2.0)))) * (h / l)))))));
} else {
double VAR_1;
if ((l <= 6.604748430151654e+200)) {
VAR_1 = ((double) (((double) (((double) (((double) pow((1.0 / ((double) (((double) cbrt(h)) * ((double) cbrt(h))))), (1.0 / 2.0))) * ((double) pow((d / ((double) cbrt(h))), (1.0 / 2.0))))) * ((double) (((double) pow(((double) (((double) cbrt(d)) * ((double) cbrt(d)))), (1.0 / 2.0))) * ((double) pow((((double) cbrt(d)) / l), (1.0 / 2.0))))))) * ((double) (1.0 - (((double) (((double) (1.0 * ((double) pow(((double) ((M / 2.0) * (D / d))), 2.0)))) * h)) / ((double) (2.0 * l)))))));
} else {
double VAR_2;
if ((l <= 7.680515421182015e+283)) {
VAR_2 = ((double) (1.0 * ((double) (((double) exp(((double) (((double) log(d)) * 1.0)))) * ((double) pow((1.0 / ((double) (((double) pow(((double) pow(((double) exp(1.0)), ((double) log(h)))), 1.0)) * ((double) pow(((double) pow(((double) exp(1.0)), ((double) log(l)))), 1.0))))), 0.5))))));
} else {
VAR_2 = ((double) (((double) (((double) (((double) pow((1.0 / ((double) (((double) cbrt(h)) * ((double) cbrt(h))))), (1.0 / 2.0))) * ((double) pow((d / ((double) cbrt(h))), (1.0 / 2.0))))) * ((double) (((double) pow((((double) (((double) cbrt(d)) * ((double) cbrt(d)))) / ((double) (((double) cbrt(l)) * ((double) cbrt(l))))), (1.0 / 2.0))) * ((double) pow((((double) cbrt(d)) / ((double) cbrt(l))), (1.0 / 2.0))))))) * ((double) (1.0 - ((double) (((double) ((1.0 / 2.0) * ((double) pow((((double) (M * D)) / ((double) (2.0 * d))), 2.0)))) * (h / l)))))));
}
VAR_1 = VAR_2;
}
VAR = VAR_1;
}
return VAR;
}



Bits error versus d



Bits error versus h



Bits error versus l



Bits error versus M



Bits error versus D
Results
if l < -2.3201941826751998e117Initial program 29.5
rmApplied add-cube-cbrt29.8
Applied *-un-lft-identity29.8
Applied times-frac29.8
Applied unpow-prod-down24.6
rmApplied *-un-lft-identity24.6
Applied add-cube-cbrt24.7
Applied times-frac24.7
Applied unpow-prod-down20.6
Simplified20.6
rmApplied add-cube-cbrt20.7
Applied *-un-lft-identity20.7
Applied times-frac20.7
Applied unpow-prod-down18.8
if -2.3201941826751998e117 < l < 6.60474843015165445e200Initial program 25.2
rmApplied add-cube-cbrt25.5
Applied *-un-lft-identity25.5
Applied times-frac25.5
Applied unpow-prod-down21.0
rmApplied *-un-lft-identity21.0
Applied add-cube-cbrt21.1
Applied times-frac21.1
Applied unpow-prod-down17.9
Simplified17.9
rmApplied associate-*l/17.9
Applied frac-times13.1
rmApplied times-frac13.6
if 6.60474843015165445e200 < l < 7.6805154211820154e283Initial program 31.0
rmApplied add-cube-cbrt31.3
Applied *-un-lft-identity31.3
Applied times-frac31.3
Applied unpow-prod-down26.5
rmApplied *-un-lft-identity26.5
Applied add-cube-cbrt26.6
Applied times-frac26.6
Applied unpow-prod-down21.7
Simplified21.7
rmApplied associate-*l/21.7
Applied frac-times23.7
Taylor expanded around 0 32.9
Simplified33.1
if 7.6805154211820154e283 < l Initial program 33.8
rmApplied add-cube-cbrt34.0
Applied *-un-lft-identity34.0
Applied times-frac34.0
Applied unpow-prod-down29.9
rmApplied add-cube-cbrt29.9
Applied add-cube-cbrt29.9
Applied times-frac30.0
Applied unpow-prod-down20.6
Final simplification16.8
herbie shell --seed 2020182
(FPCore (d h l M D)
:name "Henrywood and Agarwal, Equation (12)"
:precision binary64
(* (* (pow (/ d h) (/ 1.0 2.0)) (pow (/ d l) (/ 1.0 2.0))) (- 1.0 (* (* (/ 1.0 2.0) (pow (/ (* M D) (* 2.0 d)) 2.0)) (/ h l)))))