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

Average Error: 0.0 → 0.0

Time: 6.3s

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 r335705 = x;
        double r335706 = y;
        double r335707 = 500.0;
        double r335708 = r335706 / r335707;
        double r335709 = r335705 + r335708;
        return r335709;
}

↓

double f(double x, double y) {
        double r335710 = x;
        double r335711 = y;
        double r335712 = 500.0;
        double r335713 = r335711 / r335712;
        double r335714 = r335710 + r335713;
        return r335714;
}

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