Average Error: 0 → 0
Time: 806.0ms
Precision: 64
\[x \cdot 2.0 - y\]
↓
\[x \cdot 2.0 - y\]
x \cdot 2.0 - y
↓
x \cdot 2.0 - y
double f(double x, double y) {
        double r8681440 = x;
        double r8681441 = 2.0;
        double r8681442 = r8681440 * r8681441;
        double r8681443 = y;
        double r8681444 = r8681442 - r8681443;
        return r8681444;
}
↓
double f(double x, double y) {
        double r8681445 = x;
        double r8681446 = 2.0;
        double r8681447 = r8681445 * r8681446;
        double r8681448 = y;
        double r8681449 = r8681447 - r8681448;
        return r8681449;
}

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

    \[x \cdot 2.0 - y\]

  2. Final simplification0

    \[\leadsto x \cdot 2.0 - y\]

Reproduce

herbie shell --seed 2019163 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  (- (* x 2.0) y))