\sqrt[3]{\frac{g}{2 \cdot a}}\left(\sqrt{\sqrt[3]{\frac{\sqrt[3]{g} \cdot \sqrt[3]{g}}{2}}} \cdot \sqrt{\sqrt[3]{\frac{\sqrt[3]{g} \cdot \sqrt[3]{g}}{2}}}\right) \cdot \frac{\sqrt[3]{\sqrt[3]{g}}}{\sqrt[3]{a}}double f(double g, double a) {
double r546 = g;
double r547 = 2.0;
double r548 = a;
double r549 = r547 * r548;
double r550 = r546 / r549;
double r551 = cbrt(r550);
return r551;
}
double f(double g, double a) {
double r552 = g;
double r553 = cbrt(r552);
double r554 = r553 * r553;
double r555 = 2.0;
double r556 = r554 / r555;
double r557 = cbrt(r556);
double r558 = sqrt(r557);
double r559 = r558 * r558;
double r560 = cbrt(r553);
double r561 = a;
double r562 = cbrt(r561);
double r563 = r560 / r562;
double r564 = r559 * r563;
return r564;
}



Bits error versus g



Bits error versus a
Results
Initial program 15.4
rmApplied add-cube-cbrt15.6
Applied times-frac15.6
Applied cbrt-prod5.6
rmApplied cbrt-div1.2
rmApplied add-sqr-sqrt1.2
Final simplification1.2
herbie shell --seed 2020025 +o rules:numerics
(FPCore (g a)
:name "2-ancestry mixing, zero discriminant"
:precision binary64
(cbrt (/ g (* 2 a))))