Average Error: 0 → 0
Time: 395.0ms
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 r200289 = x;
        double r200290 = 2.0;
        double r200291 = r200289 * r200290;
        double r200292 = y;
        double r200293 = r200291 - r200292;
        return r200293;
}
↓
double f(double x, double y) {
        double r200294 = x;
        double r200295 = 2.0;
        double r200296 = r200294 * r200295;
        double r200297 = y;
        double r200298 = r200296 - r200297;
        return r200298;
}

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 2020089 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))