\left(\left(x \cdot x + y \cdot y\right) + y \cdot y\right) + y \cdot y
y \cdot y + \left(y \cdot y + \left(x \cdot x + y \cdot y\right)\right)
double f(double x, double y) {
double r457242 = x;
double r457243 = r457242 * r457242;
double r457244 = y;
double r457245 = r457244 * r457244;
double r457246 = r457243 + r457245;
double r457247 = r457246 + r457245;
double r457248 = r457247 + r457245;
return r457248;
}
double f(double x, double y) {
double r457249 = y;
double r457250 = r457249 * r457249;
double r457251 = x;
double r457252 = r457251 * r457251;
double r457253 = r457252 + r457250;
double r457254 = r457250 + r457253;
double r457255 = r457250 + r457254;
return r457255;
}




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 2019194
(FPCore (x y)
:name "Linear.Quaternion:$c/ from linear-1.19.1.3, E"
:herbie-target
(+ (* x x) (* y (+ y (+ y y))))
(+ (+ (+ (* x x) (* y y)) (* y y)) (* y y)))