Average Error: 0 → 0
Time: 313.0ms
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 r199779 = x;
        double r199780 = 2.0;
        double r199781 = r199779 * r199780;
        double r199782 = y;
        double r199783 = r199781 - r199782;
        return r199783;
}
↓
double f(double x, double y) {
        double r199784 = x;
        double r199785 = 2.0;
        double r199786 = r199784 * r199785;
        double r199787 = y;
        double r199788 = r199786 - r199787;
        return r199788;
}

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 2020062 
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))