Average Error: 0 → 0
Time: 929.0ms
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 r8977239 = x;
        double r8977240 = 2.0;
        double r8977241 = r8977239 * r8977240;
        double r8977242 = y;
        double r8977243 = r8977241 - r8977242;
        return r8977243;
}
↓
double f(double x, double y) {
        double r8977244 = x;
        double r8977245 = 2.0;
        double r8977246 = r8977244 * r8977245;
        double r8977247 = y;
        double r8977248 = r8977246 - r8977247;
        return r8977248;
}

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 2019172 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  (- (* x 2.0) y))