Average Error: 0 → 0
Time: 332.0ms
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 r130897 = x;
        double r130898 = 2.0;
        double r130899 = r130897 * r130898;
        double r130900 = y;
        double r130901 = r130899 - r130900;
        return r130901;
}
↓
double f(double x, double y) {
        double r130902 = x;
        double r130903 = 2.0;
        double r130904 = r130902 * r130903;
        double r130905 = y;
        double r130906 = r130904 - r130905;
        return r130906;
}

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 2020045 
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))