Average Error: 0 → 0
Time: 644.0ms
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 r160407 = x;
        double r160408 = 2.0;
        double r160409 = r160407 * r160408;
        double r160410 = y;
        double r160411 = r160409 - r160410;
        return r160411;
}
↓
double f(double x, double y) {
        double r160412 = x;
        double r160413 = 2.0;
        double r160414 = r160412 * r160413;
        double r160415 = y;
        double r160416 = r160414 - r160415;
        return r160416;
}

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))