\frac{x \cdot x}{y \cdot y} + \frac{z \cdot z}{t \cdot t}\left(\sqrt[3]{\frac{1}{\sqrt[3]{t} \cdot \sqrt[3]{t}}} \cdot \sqrt[3]{\frac{z}{\sqrt[3]{t}}}\right) \cdot \left(\frac{z}{t} \cdot \left(\sqrt[3]{\frac{z}{t}} \cdot \sqrt[3]{\frac{z}{t}}\right)\right) + \frac{x}{y} \cdot \frac{x}{y}double f(double x, double y, double z, double t) {
double r29540674 = x;
double r29540675 = r29540674 * r29540674;
double r29540676 = y;
double r29540677 = r29540676 * r29540676;
double r29540678 = r29540675 / r29540677;
double r29540679 = z;
double r29540680 = r29540679 * r29540679;
double r29540681 = t;
double r29540682 = r29540681 * r29540681;
double r29540683 = r29540680 / r29540682;
double r29540684 = r29540678 + r29540683;
return r29540684;
}
double f(double x, double y, double z, double t) {
double r29540685 = 1.0;
double r29540686 = t;
double r29540687 = cbrt(r29540686);
double r29540688 = r29540687 * r29540687;
double r29540689 = r29540685 / r29540688;
double r29540690 = cbrt(r29540689);
double r29540691 = z;
double r29540692 = r29540691 / r29540687;
double r29540693 = cbrt(r29540692);
double r29540694 = r29540690 * r29540693;
double r29540695 = r29540691 / r29540686;
double r29540696 = cbrt(r29540695);
double r29540697 = r29540696 * r29540696;
double r29540698 = r29540695 * r29540697;
double r29540699 = r29540694 * r29540698;
double r29540700 = x;
double r29540701 = y;
double r29540702 = r29540700 / r29540701;
double r29540703 = r29540702 * r29540702;
double r29540704 = r29540699 + r29540703;
return r29540704;
}




Bits error versus x




Bits error versus y




Bits error versus z




Bits error versus t
Results
| Original | 33.1 |
|---|---|
| Target | 0.4 |
| Herbie | 0.8 |
Initial program 33.1
Simplified0.4
rmApplied add-cube-cbrt0.8
Applied associate-*r*0.8
rmApplied add-cube-cbrt0.8
Applied *-un-lft-identity0.8
Applied times-frac0.8
Applied cbrt-prod0.8
Final simplification0.8
herbie shell --seed 2019170
(FPCore (x y z t)
:name "Graphics.Rasterific.Svg.PathConverter:arcToSegments from rasterific-svg-0.2.3.1"
:herbie-target
(+ (pow (/ x y) 2.0) (pow (/ z t) 2.0))
(+ (/ (* x x) (* y y)) (/ (* z z) (* t t))))