Average Error: 0.0 → 0.0
Time: 951.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r229338 = x;
        double r229339 = r229338 * r229338;
        double r229340 = 1.0;
        double r229341 = r229339 - r229340;
        return r229341;
}
↓
double f(double x) {
        double r229342 = x;
        double r229343 = r229342 * r229342;
        double r229344 = 1.0;
        double r229345 = r229343 - r229344;
        return r229345;
}

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 2019303 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))