\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}\;M \cdot D \le -6.0268064309520738 \cdot 10^{70}:\\
\;\;\;\;\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}{\frac{2 \cdot d}{D}}\right)}^{2}\right) \cdot \frac{h}{\ell}\right)\\
\mathbf{else}:\\
\;\;\;\;\left({\left(\frac{\sqrt[3]{d} \cdot \sqrt[3]{d}}{\sqrt[3]{h} \cdot \sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{\sqrt[3]{d}}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)}\right) \cdot \left(\left({\left(\frac{\sqrt[3]{d} \cdot \sqrt[3]{d}}{1}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{\sqrt[3]{d}}{\ell}\right)}^{\left(\frac{1}{2}\right)}\right) \cdot \left(1 - \frac{\left(\frac{1}{2} \cdot {\left(\frac{M \cdot D}{2 \cdot d}\right)}^{2}\right) \cdot h}{\ell}\right)\right)\\
\end{array}double f(double d, double h, double l, double M, double D) {
double r224479 = d;
double r224480 = h;
double r224481 = r224479 / r224480;
double r224482 = 1.0;
double r224483 = 2.0;
double r224484 = r224482 / r224483;
double r224485 = pow(r224481, r224484);
double r224486 = l;
double r224487 = r224479 / r224486;
double r224488 = pow(r224487, r224484);
double r224489 = r224485 * r224488;
double r224490 = M;
double r224491 = D;
double r224492 = r224490 * r224491;
double r224493 = r224483 * r224479;
double r224494 = r224492 / r224493;
double r224495 = pow(r224494, r224483);
double r224496 = r224484 * r224495;
double r224497 = r224480 / r224486;
double r224498 = r224496 * r224497;
double r224499 = r224482 - r224498;
double r224500 = r224489 * r224499;
return r224500;
}
double f(double d, double h, double l, double M, double D) {
double r224501 = M;
double r224502 = D;
double r224503 = r224501 * r224502;
double r224504 = -6.026806430952074e+70;
bool r224505 = r224503 <= r224504;
double r224506 = d;
double r224507 = h;
double r224508 = r224506 / r224507;
double r224509 = 1.0;
double r224510 = 2.0;
double r224511 = r224509 / r224510;
double r224512 = pow(r224508, r224511);
double r224513 = l;
double r224514 = r224506 / r224513;
double r224515 = pow(r224514, r224511);
double r224516 = r224512 * r224515;
double r224517 = r224510 * r224506;
double r224518 = r224517 / r224502;
double r224519 = r224501 / r224518;
double r224520 = pow(r224519, r224510);
double r224521 = r224511 * r224520;
double r224522 = r224507 / r224513;
double r224523 = r224521 * r224522;
double r224524 = r224509 - r224523;
double r224525 = r224516 * r224524;
double r224526 = cbrt(r224506);
double r224527 = r224526 * r224526;
double r224528 = cbrt(r224507);
double r224529 = r224528 * r224528;
double r224530 = r224527 / r224529;
double r224531 = pow(r224530, r224511);
double r224532 = r224526 / r224528;
double r224533 = pow(r224532, r224511);
double r224534 = r224531 * r224533;
double r224535 = 1.0;
double r224536 = r224527 / r224535;
double r224537 = pow(r224536, r224511);
double r224538 = r224526 / r224513;
double r224539 = pow(r224538, r224511);
double r224540 = r224537 * r224539;
double r224541 = r224503 / r224517;
double r224542 = pow(r224541, r224510);
double r224543 = r224511 * r224542;
double r224544 = r224543 * r224507;
double r224545 = r224544 / r224513;
double r224546 = r224509 - r224545;
double r224547 = r224540 * r224546;
double r224548 = r224534 * r224547;
double r224549 = r224505 ? r224525 : r224548;
return r224549;
}



Bits error versus d



Bits error versus h



Bits error versus l



Bits error versus M



Bits error versus D
Results
if (* M D) < -6.026806430952074e+70Initial program 37.6
rmApplied associate-/l*36.5
if -6.026806430952074e+70 < (* M D) Initial program 25.4
rmApplied add-cube-cbrt25.7
Applied add-cube-cbrt25.8
Applied times-frac25.8
Applied unpow-prod-down20.7
rmApplied *-un-lft-identity20.7
Applied add-cube-cbrt20.9
Applied times-frac20.9
Applied unpow-prod-down17.0
rmApplied associate-*r/14.1
rmApplied associate-*l*14.4
Final simplification16.4
herbie shell --seed 2020062 +o rules:numerics
(FPCore (d h l M D)
:name "Henrywood and Agarwal, Equation (12)"
:precision binary64
(* (* (pow (/ d h) (/ 1 2)) (pow (/ d l) (/ 1 2))) (- 1 (* (* (/ 1 2) (pow (/ (* M D) (* 2 d)) 2)) (/ h l)))))