Average Error: 0 → 0
Time: 656.0ms
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 r162068 = x;
        double r162069 = 2.0;
        double r162070 = r162068 * r162069;
        double r162071 = y;
        double r162072 = r162070 - r162071;
        return r162072;
}
↓
double f(double x, double y) {
        double r162073 = x;
        double r162074 = 2.0;
        double r162075 = r162073 * r162074;
        double r162076 = y;
        double r162077 = r162075 - r162076;
        return r162077;
}

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 2019322 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))