Average Error: 0 → 0
Time: 694.0ms
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 r170993 = x;
        double r170994 = 2.0;
        double r170995 = r170993 * r170994;
        double r170996 = y;
        double r170997 = r170995 - r170996;
        return r170997;
}
↓
double f(double x, double y) {
        double r170998 = x;
        double r170999 = 2.0;
        double r171000 = r170998 * r170999;
        double r171001 = y;
        double r171002 = r171000 - r171001;
        return r171002;
}

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 2019323 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))