Average Error: 0 → 0
Time: 361.0ms
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 r198299 = x;
        double r198300 = 2.0;
        double r198301 = r198299 * r198300;
        double r198302 = y;
        double r198303 = r198301 - r198302;
        return r198303;
}
↓
double f(double x, double y) {
        double r198304 = x;
        double r198305 = 2.0;
        double r198306 = r198304 * r198305;
        double r198307 = y;
        double r198308 = r198306 - r198307;
        return r198308;
}

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 2020002 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))