Average Error: 0 → 0
Time: 1.0s
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 r188455 = x;
        double r188456 = 2.0;
        double r188457 = r188455 * r188456;
        double r188458 = y;
        double r188459 = r188457 - r188458;
        return r188459;
}
↓
double f(double x, double y) {
        double r188460 = x;
        double r188461 = 2.0;
        double r188462 = r188460 * r188461;
        double r188463 = y;
        double r188464 = r188462 - r188463;
        return r188464;
}

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 2019325 
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))