Average Error: 0 → 0
Time: 1.2s
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 r135979 = x;
        double r135980 = 2.0;
        double r135981 = r135979 * r135980;
        double r135982 = y;
        double r135983 = r135981 - r135982;
        return r135983;
}
↓
double f(double x, double y) {
        double r135984 = x;
        double r135985 = 2.0;
        double r135986 = r135984 * r135985;
        double r135987 = y;
        double r135988 = r135986 - r135987;
        return r135988;
}

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 2019208 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))