Average Error: 0 → 0
Time: 315.0ms
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 r278624 = x;
        double r278625 = 2.0;
        double r278626 = r278624 * r278625;
        double r278627 = y;
        double r278628 = r278626 - r278627;
        return r278628;
}
↓
double f(double x, double y) {
        double r278629 = x;
        double r278630 = 2.0;
        double r278631 = r278629 * r278630;
        double r278632 = y;
        double r278633 = r278631 - r278632;
        return r278633;
}

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 2020047 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))