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

Average Error: 0.0 → 0.0

Time: 5.9s

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 r5096 = x;
        double r5097 = y;
        double r5098 = r5096 + r5097;
        double r5099 = 10.0;
        double r5100 = r5098 / r5099;
        return r5100;
}

↓

double f(double x, double y) {
        double r5101 = x;
        double r5102 = y;
        double r5103 = r5101 + r5102;
        double r5104 = 10.0;
        double r5105 = r5103 / r5104;
        return r5105;
}

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 2020046 +o rules:numerics
(FPCore (x y)
  :name "Text.Parsec.Token:makeTokenParser from parsec-3.1.9, A"
  :precision binary64
  (/ (+ x y) 10))