Average Error: 0 → 0
Time: 455.0ms
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 r205757 = x;
        double r205758 = 2.0;
        double r205759 = r205757 * r205758;
        double r205760 = y;
        double r205761 = r205759 - r205760;
        return r205761;
}
↓
double f(double x, double y) {
        double r205762 = x;
        double r205763 = 2.0;
        double r205764 = r205762 * r205763;
        double r205765 = y;
        double r205766 = r205764 - r205765;
        return r205766;
}

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 2020036 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))