Average Error: 0 → 0
Time: 331.0ms
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 r250779 = x;
        double r250780 = 2.0;
        double r250781 = r250779 * r250780;
        double r250782 = y;
        double r250783 = r250781 - r250782;
        return r250783;
}
↓
double f(double x, double y) {
        double r250784 = x;
        double r250785 = 2.0;
        double r250786 = r250784 * r250785;
        double r250787 = y;
        double r250788 = r250786 - r250787;
        return r250788;
}

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 2020057 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))