Average Error: 0 → 0
Time: 320.0ms
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 r241364 = x;
        double r241365 = 2.0;
        double r241366 = r241364 * r241365;
        double r241367 = y;
        double r241368 = r241366 - r241367;
        return r241368;
}
↓
double f(double x, double y) {
        double r241369 = x;
        double r241370 = 2.0;
        double r241371 = r241369 * r241370;
        double r241372 = y;
        double r241373 = r241371 - r241372;
        return r241373;
}

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 2020062 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))