Average Error: 0.0 → 0.0
Time: 442.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r194598 = x;
        double r194599 = r194598 * r194598;
        double r194600 = 1.0;
        double r194601 = r194599 - r194600;
        return r194601;
}
↓
double f(double x) {
        double r194602 = x;
        double r194603 = r194602 * r194602;
        double r194604 = 1.0;
        double r194605 = r194603 - r194604;
        return r194605;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[x \cdot x - 1\]

  2. Final simplification0.0

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

Reproduce

herbie shell --seed 2020033 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))