Average Error: 0 → 0
Time: 625.0ms
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 r207670 = x;
        double r207671 = 2.0;
        double r207672 = r207670 * r207671;
        double r207673 = y;
        double r207674 = r207672 - r207673;
        return r207674;
}
↓
double f(double x, double y) {
        double r207675 = x;
        double r207676 = 2.0;
        double r207677 = r207675 * r207676;
        double r207678 = y;
        double r207679 = r207677 - r207678;
        return r207679;
}

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 2019306 
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))