Average Error: 0 → 0
Time: 402.0ms
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 r252728 = x;
        double r252729 = 2.0;
        double r252730 = r252728 * r252729;
        double r252731 = y;
        double r252732 = r252730 - r252731;
        return r252732;
}
↓
double f(double x, double y) {
        double r252733 = x;
        double r252734 = 2.0;
        double r252735 = r252733 * r252734;
        double r252736 = y;
        double r252737 = r252735 - r252736;
        return r252737;
}

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 2020081 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))