double code(double x, double y) {
return x * (1.0 + (y * y));
}
double code(double x, double y) {
return (x * 1.0) + (y * (x * y));
}




Bits error versus x




Bits error versus y
Results
| Original | 5.3 |
|---|---|
| Target | 0.1 |
| Herbie | 0.1 |
Initial program 5.3
rmApplied distribute-lft-in5.3
rmApplied associate-*r*0.1
Final simplification0.1
herbie shell --seed 2020338
(FPCore (x y)
:name "Numeric.Integration.TanhSinh:everywhere from integration-0.2.1"
:precision binary64
:herbie-target
(+ x (* (* x y) y))
(* x (+ 1.0 (* y y))))