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

Average Error: 0.0 → 0.0

Time: 2.2s

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 r227427 = x;
        double r227428 = y;
        double r227429 = 500.0;
        double r227430 = r227428 / r227429;
        double r227431 = r227427 + r227430;
        return r227431;
}

↓

double f(double x, double y) {
        double r227432 = x;
        double r227433 = y;
        double r227434 = 500.0;
        double r227435 = r227433 / r227434;
        double r227436 = r227432 + r227435;
        return r227436;
}

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