Average Error: 0 → 0
Time: 311.0ms
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 r220664 = x;
        double r220665 = 2.0;
        double r220666 = r220664 * r220665;
        double r220667 = y;
        double r220668 = r220666 - r220667;
        return r220668;
}
↓
double f(double x, double y) {
        double r220669 = x;
        double r220670 = 2.0;
        double r220671 = r220669 * r220670;
        double r220672 = y;
        double r220673 = r220671 - r220672;
        return r220673;
}

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 2020020 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))