Average Error: 0 → 0
Time: 484.0ms
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 r237631 = x;
        double r237632 = 2.0;
        double r237633 = r237631 * r237632;
        double r237634 = y;
        double r237635 = r237633 - r237634;
        return r237635;
}
↓
double f(double x, double y) {
        double r237636 = x;
        double r237637 = 2.0;
        double r237638 = r237636 * r237637;
        double r237639 = y;
        double r237640 = r237638 - r237639;
        return r237640;
}

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 2020035 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))