Average Error: 0 → 0
Time: 319.0ms
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 r219908 = x;
        double r219909 = 2.0;
        double r219910 = r219908 * r219909;
        double r219911 = y;
        double r219912 = r219910 - r219911;
        return r219912;
}
↓
double f(double x, double y) {
        double r219913 = x;
        double r219914 = 2.0;
        double r219915 = r219913 * r219914;
        double r219916 = y;
        double r219917 = r219915 - r219916;
        return r219917;
}

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 2020039 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))