Average Error: 0 → 0
Time: 356.0ms
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 r200844 = x;
        double r200845 = 2.0;
        double r200846 = r200844 * r200845;
        double r200847 = y;
        double r200848 = r200846 - r200847;
        return r200848;
}
↓
double f(double x, double y) {
        double r200849 = x;
        double r200850 = 2.0;
        double r200851 = r200849 * r200850;
        double r200852 = y;
        double r200853 = r200851 - r200852;
        return r200853;
}

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 2020001 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))