Data.Random.Dice:roll from dice-0.1

Average Error: 0.0 → 0.0

Time: 330.0ms

Precision: 64

• Falling back on racket egraph because egg-herbie package not installed

Math

\[x \cdot x - 1\]

↓

\[x \cdot x - 1\]

C

double f(double x) {
        double r206088 = x;
        double r206089 = r206088 * r206088;
        double r206090 = 1.0;
        double r206091 = r206089 - r206090;
        return r206091;
}

↓

double f(double x) {
        double r206092 = x;
        double r206093 = r206092 * r206092;
        double r206094 = 1.0;
        double r206095 = r206093 - r206094;
        return r206095;
}

Error

Bits error versus x

Derivation

1. Initial program 0.0

   \[x \cdot x - 1\]

2. Final simplification 0.0

   \[\leadsto x \cdot x - 1\]

Reproduce

herbie shell --seed 2019350 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))