Data.Colour.CIE:cieLAB from colour-2.3.3, C

Average Error: 0.0 → 0.0

Time: 3.2s

Precision: 64

• Falling back on racket egraph because egg-herbie package not installed

Math

\[x + \frac{y}{500}\]

↓

\[x + \frac{y}{500}\]

C

double f(double x, double y) {
        double r218357 = x;
        double r218358 = y;
        double r218359 = 500.0;
        double r218360 = r218358 / r218359;
        double r218361 = r218357 + r218360;
        return r218361;
}

↓

double f(double x, double y) {
        double r218362 = x;
        double r218363 = y;
        double r218364 = 500.0;
        double r218365 = r218363 / r218364;
        double r218366 = r218362 + r218365;
        return r218366;
}

Error

Bits error versus x

Bits error versus y

Derivation

1. Initial program 0.0

   \[x + \frac{y}{500}\]

2. Final simplification 0.0

   \[\leadsto x + \frac{y}{500}\]

Reproduce

herbie shell --seed 2020046 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.CIE:cieLAB from colour-2.3.3, C"
  :precision binary64
  (+ x (/ y 500)))