\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3}\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3}(FPCore (x y) :precision binary64 (/ (* (- 1.0 x) (- 3.0 x)) (* y 3.0)))
(FPCore (x y) :precision binary64 (/ (* (- 1.0 x) (- 3.0 x)) (* y 3.0)))
double code(double x, double y) {
return ((1.0 - x) * (3.0 - x)) / (y * 3.0);
}
double code(double x, double y) {
return ((1.0 - x) * (3.0 - x)) / (y * 3.0);
}




Bits error versus x




Bits error versus y
Results
| Original | 5.9 |
|---|---|
| Target | 0.1 |
| Herbie | 5.9 |
Initial program 5.9
herbie shell --seed 2021042
(FPCore (x y)
:name "Diagrams.TwoD.Arc:bezierFromSweepQ1 from diagrams-lib-1.3.0.3"
:precision binary64
:herbie-target
(* (/ (- 1.0 x) y) (/ (- 3.0 x) 3.0))
(/ (* (- 1.0 x) (- 3.0 x)) (* y 3.0)))