Data.Random.Dice:roll from dice-0.1

Average Error: 0.0 → 0.0

Time: 308.0ms

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 r53762 = x;
        double r53763 = r53762 * r53762;
        double r53764 = 1.0;
        double r53765 = r53763 - r53764;
        return r53765;
}

↓

double f(double x) {
        double r53766 = x;
        double r53767 = r53766 * r53766;
        double r53768 = 1.0;
        double r53769 = r53767 - r53768;
        return r53769;
}

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 2020045 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))