Average Error: 0.0 → 0.0
Time: 356.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r214544 = x;
        double r214545 = r214544 * r214544;
        double r214546 = 1.0;
        double r214547 = r214545 - r214546;
        return r214547;
}
↓
double f(double x) {
        double r214548 = x;
        double r214549 = r214548 * r214548;
        double r214550 = 1.0;
        double r214551 = r214549 - r214550;
        return r214551;
}

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 2019362 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))