Average Error: 0.0 → 0.0
Time: 708.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r132525 = x;
        double r132526 = r132525 * r132525;
        double r132527 = 1.0;
        double r132528 = r132526 - r132527;
        return r132528;
}
↓
double f(double x) {
        double r132529 = x;
        double r132530 = r132529 * r132529;
        double r132531 = 1.0;
        double r132532 = r132530 - r132531;
        return r132532;
}

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 2019325 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))