Average Error: 0 → 0
Time: 327.0ms
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 r231935 = x;
        double r231936 = 2.0;
        double r231937 = r231935 * r231936;
        double r231938 = y;
        double r231939 = r231937 - r231938;
        return r231939;
}
↓
double f(double x, double y) {
        double r231940 = x;
        double r231941 = 2.0;
        double r231942 = r231940 * r231941;
        double r231943 = y;
        double r231944 = r231942 - r231943;
        return r231944;
}

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 2020036 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))