Average Error: 0 → 0
Time: 986.0ms
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 r172577 = x;
        double r172578 = 2.0;
        double r172579 = r172577 * r172578;
        double r172580 = y;
        double r172581 = r172579 - r172580;
        return r172581;
}
↓
double f(double x, double y) {
        double r172582 = x;
        double r172583 = 2.0;
        double r172584 = r172582 * r172583;
        double r172585 = y;
        double r172586 = r172584 - r172585;
        return r172586;
}

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 2019209 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))