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

Average Error: 0.0 → 0.0

Time: 2.1s

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 r252316 = x;
        double r252317 = y;
        double r252318 = 500.0;
        double r252319 = r252317 / r252318;
        double r252320 = r252316 + r252319;
        return r252320;
}

↓

double f(double x, double y) {
        double r252321 = x;
        double r252322 = y;
        double r252323 = 500.0;
        double r252324 = r252322 / r252323;
        double r252325 = r252321 + r252324;
        return r252325;
}

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 2020045 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.CIE:cieLAB from colour-2.3.3, C"
  :precision binary64
  (+ x (/ y 500)))