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

Average Error: 0.0 → 0.0

Time: 10.6s

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 r7433 = x;
        double r7434 = y;
        double r7435 = r7433 + r7434;
        double r7436 = 10.0;
        double r7437 = r7435 / r7436;
        return r7437;
}

↓

double f(double x, double y) {
        double r7438 = x;
        double r7439 = y;
        double r7440 = r7438 + r7439;
        double r7441 = 10.0;
        double r7442 = r7440 / r7441;
        return r7442;
}

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 2019351 +o rules:numerics
(FPCore (x y)
  :name "Text.Parsec.Token:makeTokenParser from parsec-3.1.9, A"
  :precision binary64
  (/ (+ x y) 10))