Average Error: 0 → 0
Time: 405.0ms
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 r340197 = x;
        double r340198 = 2.0;
        double r340199 = r340197 * r340198;
        double r340200 = y;
        double r340201 = r340199 - r340200;
        return r340201;
}
↓
double f(double x, double y) {
        double r340202 = x;
        double r340203 = 2.0;
        double r340204 = r340202 * r340203;
        double r340205 = y;
        double r340206 = r340204 - r340205;
        return r340206;
}

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 2020100 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))