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

Average Error: 0.0 → 0.0

Time: 5.7s

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 r5061 = x;
        double r5062 = y;
        double r5063 = r5061 + r5062;
        double r5064 = 10.0;
        double r5065 = r5063 / r5064;
        return r5065;
}

↓

double f(double x, double y) {
        double r5066 = x;
        double r5067 = y;
        double r5068 = r5066 + r5067;
        double r5069 = 10.0;
        double r5070 = r5068 / r5069;
        return r5070;
}

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