Average Error: 0 → 0
Time: 925.0ms
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 r122573 = x;
        double r122574 = 2.0;
        double r122575 = r122573 * r122574;
        double r122576 = y;
        double r122577 = r122575 - r122576;
        return r122577;
}
↓
double f(double x, double y) {
        double r122578 = x;
        double r122579 = 2.0;
        double r122580 = r122578 * r122579;
        double r122581 = y;
        double r122582 = r122580 - r122581;
        return r122582;
}

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 2019194 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  (- (* x 2.0) y))