Average Error: 0.0 → 0.0
Time: 542.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r200723 = x;
        double r200724 = r200723 * r200723;
        double r200725 = 1.0;
        double r200726 = r200724 - r200725;
        return r200726;
}
↓
double f(double x) {
        double r200727 = x;
        double r200728 = r200727 * r200727;
        double r200729 = 1.0;
        double r200730 = r200728 - r200729;
        return r200730;
}

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 2019304 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))