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

Average Error: 0.0 → 0.0

Time: 6.3s

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 r4465 = x;
        double r4466 = y;
        double r4467 = r4465 + r4466;
        double r4468 = 10.0;
        double r4469 = r4467 / r4468;
        return r4469;
}

↓

double f(double x, double y) {
        double r4470 = x;
        double r4471 = y;
        double r4472 = r4470 + r4471;
        double r4473 = 10.0;
        double r4474 = r4472 / r4473;
        return r4474;
}

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 2019350 +o rules:numerics
(FPCore (x y)
  :name "Text.Parsec.Token:makeTokenParser from parsec-3.1.9, A"
  :precision binary64
  (/ (+ x y) 10))