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 r87578 = x;
        double r87579 = 2.0;
        double r87580 = r87578 * r87579;
        double r87581 = y;
        double r87582 = r87580 - r87581;
        return r87582;
}
↓
double f(double x, double y) {
        double r87583 = x;
        double r87584 = 2.0;
        double r87585 = r87583 * r87584;
        double r87586 = y;
        double r87587 = r87585 - r87586;
        return r87587;
}

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 2020045 
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))