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

Average Error: 0.0 → 0.0

Time: 4.1s

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 r309712 = x;
        double r309713 = y;
        double r309714 = 500.0;
        double r309715 = r309713 / r309714;
        double r309716 = r309712 + r309715;
        return r309716;
}

↓

double f(double x, double y) {
        double r309717 = x;
        double r309718 = y;
        double r309719 = 500.0;
        double r309720 = r309718 / r309719;
        double r309721 = r309717 + r309720;
        return r309721;
}

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 2020047 
(FPCore (x y)
  :name "Data.Colour.CIE:cieLAB from colour-2.3.3, C"
  :precision binary64
  (+ x (/ y 500)))