Average Error: 0.0 → 0.0
Time: 1.2s
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r211720 = x;
        double r211721 = r211720 * r211720;
        double r211722 = 1.0;
        double r211723 = r211721 - r211722;
        return r211723;
}
↓
double f(double x) {
        double r211724 = x;
        double r211725 = r211724 * r211724;
        double r211726 = 1.0;
        double r211727 = r211725 - r211726;
        return r211727;
}

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 2019196 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))