\frac{x \cdot x}{y \cdot y} + \frac{z \cdot z}{t \cdot t}\frac{x}{y} \cdot \frac{x}{y} + {\left(\sqrt[3]{\frac{z}{t}}\right)}^{4} \cdot \left(\sqrt[3]{\frac{z}{t}} \cdot \left(\sqrt[3]{\frac{1}{\sqrt[3]{t} \cdot \sqrt[3]{t}}} \cdot \sqrt[3]{\frac{z}{\sqrt[3]{t}}}\right)\right)(FPCore (x y z t) :precision binary64 (+ (/ (* x x) (* y y)) (/ (* z z) (* t t))))
(FPCore (x y z t)
:precision binary64
(+
(* (/ x y) (/ x y))
(*
(pow (cbrt (/ z t)) 4.0)
(*
(cbrt (/ z t))
(* (cbrt (/ 1.0 (* (cbrt t) (cbrt t)))) (cbrt (/ z (cbrt t))))))))double code(double x, double y, double z, double t) {
return ((x * x) / (y * y)) + ((z * z) / (t * t));
}
double code(double x, double y, double z, double t) {
return ((x / y) * (x / y)) + (pow(cbrt(z / t), 4.0) * (cbrt(z / t) * (cbrt(1.0 / (cbrt(t) * cbrt(t))) * cbrt(z / cbrt(t)))));
}




Bits error versus x




Bits error versus y




Bits error versus z




Bits error versus t
Results
| Original | 33.8 |
|---|---|
| Target | 0.4 |
| Herbie | 1.0 |
Initial program 33.8
rmApplied times-frac_binary6418.9
rmApplied times-frac_binary640.4
rmApplied add-cube-cbrt_binary640.8
Applied add-cube-cbrt_binary641.1
Applied swap-sqr_binary641.1
Simplified1.1
rmApplied add-cube-cbrt_binary641.0
Applied *-un-lft-identity_binary641.0
Applied times-frac_binary641.0
Applied cbrt-prod_binary641.0
Final simplification1.0
herbie shell --seed 2020224
(FPCore (x y z t)
:name "Graphics.Rasterific.Svg.PathConverter:arcToSegments from rasterific-svg-0.2.3.1"
:precision binary64
:herbie-target
(+ (pow (/ x y) 2.0) (pow (/ z t) 2.0))
(+ (/ (* x x) (* y y)) (/ (* z z) (* t t))))