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

Average Error: 0.0 → 0.0

Time: 4.4s

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 r259409 = x;
        double r259410 = y;
        double r259411 = 500.0;
        double r259412 = r259410 / r259411;
        double r259413 = r259409 + r259412;
        return r259413;
}

↓

double f(double x, double y) {
        double r259414 = x;
        double r259415 = y;
        double r259416 = 500.0;
        double r259417 = r259415 / r259416;
        double r259418 = r259414 + r259417;
        return r259418;
}

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