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

Average Error: 0.0 → 0.0

Time: 3.0s

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 r300308 = x;
        double r300309 = y;
        double r300310 = 500.0;
        double r300311 = r300309 / r300310;
        double r300312 = r300308 + r300311;
        return r300312;
}

↓

double f(double x, double y) {
        double r300313 = x;
        double r300314 = y;
        double r300315 = 500.0;
        double r300316 = r300314 / r300315;
        double r300317 = r300313 + r300316;
        return r300317;
}

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 2019350 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.CIE:cieLAB from colour-2.3.3, C"
  :precision binary64
  (+ x (/ y 500)))