Average Error: 0 → 0
Time: 605.0ms
Precision: 64
\[x \cdot 2.0 - y\]
↓
\[x \cdot 2.0 - y\]
x \cdot 2.0 - y
↓
x \cdot 2.0 - y
double f(double x, double y) {
        double r9172717 = x;
        double r9172718 = 2.0;
        double r9172719 = r9172717 * r9172718;
        double r9172720 = y;
        double r9172721 = r9172719 - r9172720;
        return r9172721;
}
↓
double f(double x, double y) {
        double r9172722 = x;
        double r9172723 = 2.0;
        double r9172724 = r9172722 * r9172723;
        double r9172725 = y;
        double r9172726 = r9172724 - r9172725;
        return r9172726;
}

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

    \[x \cdot 2.0 - y\]

  2. Final simplification0

    \[\leadsto x \cdot 2.0 - y\]

Reproduce

herbie shell --seed 2019164 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  (- (* x 2.0) y))