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

Average Error: 0.0 → 0.0

Time: 5.2s

Precision: 64

• Falling back on racket egraph because egg-herbie package not installed

Math

\[x - \frac{y}{200}\]

↓

\[x - \frac{y}{200}\]

C

double f(double x, double y) {
        double r281049 = x;
        double r281050 = y;
        double r281051 = 200.0;
        double r281052 = r281050 / r281051;
        double r281053 = r281049 - r281052;
        return r281053;
}

↓

double f(double x, double y) {
        double r281054 = x;
        double r281055 = y;
        double r281056 = 200.0;
        double r281057 = r281055 / r281056;
        double r281058 = r281054 - r281057;
        return r281058;
}

Error

Bits error versus x

Bits error versus y

Derivation

1. Initial program 0.0

   \[x - \frac{y}{200}\]

2. Final simplification 0.0

   \[\leadsto x - \frac{y}{200}\]

Reproduce

herbie shell --seed 2020045 
(FPCore (x y)
  :name "Data.Colour.CIE:cieLAB from colour-2.3.3, D"
  :precision binary64
  (- x (/ y 200)))