Average Error: 0 → 0
Time: 381.0ms
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 r270775 = x;
        double r270776 = 2.0;
        double r270777 = r270775 * r270776;
        double r270778 = y;
        double r270779 = r270777 - r270778;
        return r270779;
}
↓
double f(double x, double y) {
        double r270780 = x;
        double r270781 = 2.0;
        double r270782 = r270780 * r270781;
        double r270783 = y;
        double r270784 = r270782 - r270783;
        return r270784;
}

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 2020083 
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))