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

Average Error: 0.0 → 0.0

Time: 6.4s

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 r5202 = x;
        double r5203 = y;
        double r5204 = r5202 + r5203;
        double r5205 = 10.0;
        double r5206 = r5204 / r5205;
        return r5206;
}

↓

double f(double x, double y) {
        double r5207 = x;
        double r5208 = y;
        double r5209 = r5207 + r5208;
        double r5210 = 10.0;
        double r5211 = r5209 / r5210;
        return r5211;
}

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))