Average Error: 0 → 0
Time: 344.0ms
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 r301566 = x;
        double r301567 = 2.0;
        double r301568 = r301566 * r301567;
        double r301569 = y;
        double r301570 = r301568 - r301569;
        return r301570;
}
↓
double f(double x, double y) {
        double r301571 = x;
        double r301572 = 2.0;
        double r301573 = r301571 * r301572;
        double r301574 = y;
        double r301575 = r301573 - r301574;
        return r301575;
}

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 2020060 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))