Average Error: 0 → 0
Time: 597.0ms
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 r161899 = x;
        double r161900 = 2.0;
        double r161901 = r161899 * r161900;
        double r161902 = y;
        double r161903 = r161901 - r161902;
        return r161903;
}
↓
double f(double x, double y) {
        double r161904 = x;
        double r161905 = 2.0;
        double r161906 = r161904 * r161905;
        double r161907 = y;
        double r161908 = r161906 - r161907;
        return r161908;
}

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 2019325 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))