Average Error: 0 → 0
Time: 391.0ms
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 r217842 = x;
        double r217843 = 2.0;
        double r217844 = r217842 * r217843;
        double r217845 = y;
        double r217846 = r217844 - r217845;
        return r217846;
}
↓
double f(double x, double y) {
        double r217847 = x;
        double r217848 = 2.0;
        double r217849 = r217847 * r217848;
        double r217850 = y;
        double r217851 = r217849 - r217850;
        return r217851;
}

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))