Text.Parsec.Token:makeTokenParser from parsec-3.1.9, A

Average Error: 0.0 → 0.0

Time: 5.7s

Precision: 64

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

Math

\[\frac{x + y}{10}\]

↓

\[\frac{x + y}{10}\]

C

double f(double x, double y) {
        double r5340 = x;
        double r5341 = y;
        double r5342 = r5340 + r5341;
        double r5343 = 10.0;
        double r5344 = r5342 / r5343;
        return r5344;
}

↓

double f(double x, double y) {
        double r5345 = x;
        double r5346 = y;
        double r5347 = r5345 + r5346;
        double r5348 = 10.0;
        double r5349 = r5347 / r5348;
        return r5349;
}

Error

Bits error versus x

Bits error versus y

Derivation

1. Initial program 0.0

   \[\frac{x + y}{10}\]

2. Final simplification 0.0

   \[\leadsto \frac{x + y}{10}\]

Reproduce

herbie shell --seed 2020047 +o rules:numerics
(FPCore (x y)
  :name "Text.Parsec.Token:makeTokenParser from parsec-3.1.9, A"
  :precision binary64
  (/ (+ x y) 10))