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

Average Error: 0.0 → 0.0

Time: 4.0s

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 r297840 = x;
        double r297841 = y;
        double r297842 = 500.0;
        double r297843 = r297841 / r297842;
        double r297844 = r297840 + r297843;
        return r297844;
}

↓

double f(double x, double y) {
        double r297845 = x;
        double r297846 = y;
        double r297847 = 500.0;
        double r297848 = r297846 / r297847;
        double r297849 = r297845 + r297848;
        return r297849;
}

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)))