Average Error: 0 → 0
Time: 329.0ms
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 r221037 = x;
        double r221038 = 2.0;
        double r221039 = r221037 * r221038;
        double r221040 = y;
        double r221041 = r221039 - r221040;
        return r221041;
}
↓
double f(double x, double y) {
        double r221042 = x;
        double r221043 = 2.0;
        double r221044 = r221042 * r221043;
        double r221045 = y;
        double r221046 = r221044 - r221045;
        return r221046;
}

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 2020025 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))