Average Error: 0 → 0
Time: 694.0ms
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 r217817 = x;
        double r217818 = 2.0;
        double r217819 = r217817 * r217818;
        double r217820 = y;
        double r217821 = r217819 - r217820;
        return r217821;
}
↓
double f(double x, double y) {
        double r217822 = x;
        double r217823 = 2.0;
        double r217824 = r217822 * r217823;
        double r217825 = y;
        double r217826 = r217824 - r217825;
        return r217826;
}

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 2019235 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))