double code(double x, double y, double z, double t) {
return ((double) (((double) (x - ((double) (y / ((double) (z * 3.0)))))) + ((double) (t / ((double) (((double) (z * 3.0)) * y))))));
}
double code(double x, double y, double z, double t) {
double VAR;
if (((t <= -4.4921344350055706e+17) || !(t <= 4.133835692596042e-32))) {
VAR = ((double) (((double) (x - ((double) (((double) (y / z)) / 3.0)))) + ((double) (t / ((double) (y * ((double) (z * 3.0))))))));
} else {
VAR = ((double) (((double) (x - ((double) (y / ((double) (z * 3.0)))))) + ((double) (((double) (1.0 / ((double) (z * 3.0)))) * ((double) (t / y))))));
}
return VAR;
}




Bits error versus x




Bits error versus y




Bits error versus z




Bits error versus t
Results
| Original | 3.6 |
|---|---|
| Target | 1.8 |
| Herbie | 0.4 |
if t < -449213443500557060 or 4.13383569259604196e-32 < t Initial program 0.6
rmApplied associate-/r*0.7
if -449213443500557060 < t < 4.13383569259604196e-32Initial program 5.9
rmApplied *-un-lft-identity5.9
Applied times-frac0.2
Final simplification0.4
herbie shell --seed 2020190
(FPCore (x y z t)
:name "Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, H"
:precision binary64
:herbie-target
(+ (- x (/ y (* z 3.0))) (/ (/ t (* z 3.0)) y))
(+ (- x (/ y (* z 3.0))) (/ t (* (* z 3.0) y))))