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

Average Error: 0.0 → 0.0

Time: 5.6s

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 r4419 = x;
        double r4420 = y;
        double r4421 = r4419 + r4420;
        double r4422 = 10.0;
        double r4423 = r4421 / r4422;
        return r4423;
}

↓

double f(double x, double y) {
        double r4424 = x;
        double r4425 = y;
        double r4426 = r4424 + r4425;
        double r4427 = 10.0;
        double r4428 = r4426 / r4427;
        return r4428;
}

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 2019350 
(FPCore (x y)
  :name "Text.Parsec.Token:makeTokenParser from parsec-3.1.9, A"
  :precision binary64
  (/ (+ x y) 10))