Average Error: 0 → 0
Time: 718.0ms
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 r126685 = x;
        double r126686 = 2.0;
        double r126687 = r126685 * r126686;
        double r126688 = y;
        double r126689 = r126687 - r126688;
        return r126689;
}
↓
double f(double x, double y) {
        double r126690 = x;
        double r126691 = 2.0;
        double r126692 = r126690 * r126691;
        double r126693 = y;
        double r126694 = r126692 - r126693;
        return r126694;
}

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 2019303 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))