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

Average Error: 0.0 → 0.0

Time: 8.8s

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 r513606 = x;
        double r513607 = y;
        double r513608 = 500.0;
        double r513609 = r513607 / r513608;
        double r513610 = r513606 + r513609;
        return r513610;
}

↓

double f(double x, double y) {
        double r513611 = x;
        double r513612 = y;
        double r513613 = 500.0;
        double r513614 = r513612 / r513613;
        double r513615 = r513611 + r513614;
        return r513615;
}

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 2020042 
(FPCore (x y)
  :name "Data.Colour.CIE:cieLAB from colour-2.3.3, C"
  :precision binary64
  (+ x (/ y 500)))