Average Error: 0 → 0
Time: 379.0ms
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 r237321 = x;
        double r237322 = 2.0;
        double r237323 = r237321 * r237322;
        double r237324 = y;
        double r237325 = r237323 - r237324;
        return r237325;
}
↓
double f(double x, double y) {
        double r237326 = x;
        double r237327 = 2.0;
        double r237328 = r237326 * r237327;
        double r237329 = y;
        double r237330 = r237328 - r237329;
        return r237330;
}

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 2020001 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))