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

Average Error: 0.0 → 0.0

Time: 3.9s

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 r349857 = x;
        double r349858 = y;
        double r349859 = 500.0;
        double r349860 = r349858 / r349859;
        double r349861 = r349857 + r349860;
        return r349861;
}

↓

double f(double x, double y) {
        double r349862 = x;
        double r349863 = y;
        double r349864 = 500.0;
        double r349865 = r349863 / r349864;
        double r349866 = r349862 + r349865;
        return r349866;
}

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)))