Data.Random.Dice:roll from dice-0.1

Average Error: 0.0 → 0.0

Time: 319.0ms

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 r253491 = x;
        double r253492 = r253491 * r253491;
        double r253493 = 1.0;
        double r253494 = r253492 - r253493;
        return r253494;
}

↓

double f(double x) {
        double r253495 = x;
        double r253496 = r253495 * r253495;
        double r253497 = 1.0;
        double r253498 = r253496 - r253497;
        return r253498;
}

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 2020042 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))