Average Error: 0 → 0
Time: 322.0ms
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 r253363 = x;
        double r253364 = 2.0;
        double r253365 = r253363 * r253364;
        double r253366 = y;
        double r253367 = r253365 - r253366;
        return r253367;
}
↓
double f(double x, double y) {
        double r253368 = x;
        double r253369 = 2.0;
        double r253370 = r253368 * r253369;
        double r253371 = y;
        double r253372 = r253370 - r253371;
        return r253372;
}

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 2020043 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))