Average Error: 0 → 0
Time: 1.1s
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 r159715 = x;
        double r159716 = 2.0;
        double r159717 = r159715 * r159716;
        double r159718 = y;
        double r159719 = r159717 - r159718;
        return r159719;
}
↓
double f(double x, double y) {
        double r159720 = x;
        double r159721 = 2.0;
        double r159722 = r159720 * r159721;
        double r159723 = y;
        double r159724 = r159722 - r159723;
        return r159724;
}

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 2019322 
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))