Average Error: 0 → 0
Time: 414.0ms
Precision: 64
\[x \cdot 2 - y\]
↓
\[x \cdot 2 - y\]
x \cdot 2 - y
↓
x \cdot 2 - y
double f(double x, double y) {
        double r297289 = x;
        double r297290 = 2.0;
        double r297291 = r297289 * r297290;
        double r297292 = y;
        double r297293 = r297291 - r297292;
        return r297293;
}
↓
double f(double x, double y) {
        double r297294 = x;
        double r297295 = 2.0;
        double r297296 = r297294 * r297295;
        double r297297 = y;
        double r297298 = r297296 - r297297;
        return r297298;
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[x \cdot 2 - y\]

  2. Final simplification0

    \[\leadsto x \cdot 2 - y\]

Reproduce

herbie shell --seed 2020034 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))