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

Average Error: 0.0 → 0.0

Time: 7.4s

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 r4754 = x;
        double r4755 = y;
        double r4756 = r4754 + r4755;
        double r4757 = 10.0;
        double r4758 = r4756 / r4757;
        return r4758;
}

↓

double f(double x, double y) {
        double r4759 = x;
        double r4760 = y;
        double r4761 = r4759 + r4760;
        double r4762 = 10.0;
        double r4763 = r4761 / r4762;
        return r4763;
}

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))