Average Error: 0 → 0
Time: 687.0ms
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 r152076 = x;
        double r152077 = 2.0;
        double r152078 = r152076 * r152077;
        double r152079 = y;
        double r152080 = r152078 - r152079;
        return r152080;
}
↓
double f(double x, double y) {
        double r152081 = x;
        double r152082 = 2.0;
        double r152083 = r152081 * r152082;
        double r152084 = y;
        double r152085 = r152083 - r152084;
        return r152085;
}

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 2019323 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))