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

Average Error: 0.0 → 0.0

Time: 7.2s

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 r5084 = x;
        double r5085 = y;
        double r5086 = r5084 + r5085;
        double r5087 = 10.0;
        double r5088 = r5086 / r5087;
        return r5088;
}

↓

double f(double x, double y) {
        double r5089 = x;
        double r5090 = y;
        double r5091 = r5089 + r5090;
        double r5092 = 10.0;
        double r5093 = r5091 / r5092;
        return r5093;
}

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