x + \frac{y \cdot \left(z - x\right)}{t}x - \frac{\sqrt[3]{x - z} \cdot \left(\sqrt[3]{x - z} \cdot \frac{1}{\frac{\sqrt[3]{t}}{\sqrt[3]{y}} \cdot \frac{\sqrt[3]{t}}{\sqrt[3]{y}}}\right)}{\frac{\frac{\sqrt[3]{t}}{\sqrt[3]{y}}}{\sqrt[3]{x - z}}}double f(double x, double y, double z, double t) {
double r304826 = x;
double r304827 = y;
double r304828 = z;
double r304829 = r304828 - r304826;
double r304830 = r304827 * r304829;
double r304831 = t;
double r304832 = r304830 / r304831;
double r304833 = r304826 + r304832;
return r304833;
}
double f(double x, double y, double z, double t) {
double r304834 = x;
double r304835 = z;
double r304836 = r304834 - r304835;
double r304837 = cbrt(r304836);
double r304838 = 1.0;
double r304839 = t;
double r304840 = cbrt(r304839);
double r304841 = y;
double r304842 = cbrt(r304841);
double r304843 = r304840 / r304842;
double r304844 = r304843 * r304843;
double r304845 = r304838 / r304844;
double r304846 = r304837 * r304845;
double r304847 = r304837 * r304846;
double r304848 = r304843 / r304837;
double r304849 = r304847 / r304848;
double r304850 = r304834 - r304849;
return r304850;
}




Bits error versus x




Bits error versus y




Bits error versus z




Bits error versus t
Results
| Original | 6.6 |
|---|---|
| Target | 2.0 |
| Herbie | 1.0 |
Initial program 6.6
Simplified6.6
rmApplied clear-num6.6
Simplified2.0
rmApplied add-cube-cbrt2.5
Applied add-cube-cbrt2.6
Applied add-cube-cbrt2.7
Applied times-frac2.7
Applied times-frac1.0
Applied associate-/r*1.0
Simplified1.0
Final simplification1.0
herbie shell --seed 2019196
(FPCore (x y z t)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, D"
:herbie-target
(- x (+ (* x (/ y t)) (* (- z) (/ y t))))
(+ x (/ (* y (- z x)) t)))