double code(double x, double y, double z, double t) {
return ((double) (((double) (((double) (x / y)) * ((double) (z - t)))) + t));
}
double code(double x, double y, double z, double t) {
return ((double) (t + ((double) (((double) (((double) (((double) cbrt(x)) * ((double) cbrt(x)))) / ((double) (((double) cbrt(y)) * ((double) cbrt(y)))))) * ((double) (((double) (z - t)) * ((double) (((double) cbrt(x)) / ((double) cbrt(y))))))))));
}




Bits error versus x




Bits error versus y




Bits error versus z




Bits error versus t
Results
| Original | 1.9 |
|---|---|
| Target | 2.1 |
| Herbie | 0.9 |
Initial program 1.9
rmApplied add-cube-cbrt2.4
Applied add-cube-cbrt2.5
Applied times-frac2.5
Applied associate-*l*0.9
Simplified0.9
Final simplification0.9
herbie shell --seed 2020191
(FPCore (x y z t)
:name "Numeric.Signal.Multichannel:$cget from hsignal-0.2.7.1"
:precision binary64
:herbie-target
(if (< z 2.759456554562692e-282) (+ (* (/ x y) (- z t)) t) (if (< z 2.326994450874436e-110) (+ (* x (/ (- z t) y)) t) (+ (* (/ x y) (- z t)) t)))
(+ (* (/ x y) (- z t)) t))