Average Error: 0 → 0
Time: 327.0ms
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 r245269 = x;
        double r245270 = 2.0;
        double r245271 = r245269 * r245270;
        double r245272 = y;
        double r245273 = r245271 - r245272;
        return r245273;
}
↓
double f(double x, double y) {
        double r245274 = x;
        double r245275 = 2.0;
        double r245276 = r245274 * r245275;
        double r245277 = y;
        double r245278 = r245276 - r245277;
        return r245278;
}

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