Average Error: 0 → 0
Time: 323.0ms
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 r195443 = x;
        double r195444 = 2.0;
        double r195445 = r195443 * r195444;
        double r195446 = y;
        double r195447 = r195445 - r195446;
        return r195447;
}
↓
double f(double x, double y) {
        double r195448 = x;
        double r195449 = 2.0;
        double r195450 = r195448 * r195449;
        double r195451 = y;
        double r195452 = r195450 - r195451;
        return r195452;
}

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 2020060 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))