\left(\left(x \cdot x + y \cdot y\right) + y \cdot y\right) + y \cdot y
\left(\left(x \cdot x + y \cdot y\right) + y \cdot y\right) + y \cdot y
double f(double x, double y) {
double r339997 = x;
double r339998 = r339997 * r339997;
double r339999 = y;
double r340000 = r339999 * r339999;
double r340001 = r339998 + r340000;
double r340002 = r340001 + r340000;
double r340003 = r340002 + r340000;
return r340003;
}
double f(double x, double y) {
double r340004 = x;
double r340005 = r340004 * r340004;
double r340006 = y;
double r340007 = r340006 * r340006;
double r340008 = r340005 + r340007;
double r340009 = r340008 + r340007;
double r340010 = r340009 + r340007;
return r340010;
}




Bits error versus x




Bits error versus y
Results
| Original | 0.1 |
|---|---|
| Target | 0.1 |
| Herbie | 0.1 |
Initial program 0.1
Final simplification0.1
herbie shell --seed 2019322 +o rules:numerics
(FPCore (x y)
:name "Linear.Quaternion:$c/ from linear-1.19.1.3, E"
:precision binary64
:herbie-target
(+ (* x x) (* y (+ y (+ y y))))
(+ (+ (+ (* x x) (* y y)) (* y y)) (* y y)))