Average Error: 0.0 → 0.0
Time: 349.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r259424 = x;
        double r259425 = r259424 * r259424;
        double r259426 = 1.0;
        double r259427 = r259425 - r259426;
        return r259427;
}
↓
double f(double x) {
        double r259428 = x;
        double r259429 = r259428 * r259428;
        double r259430 = 1.0;
        double r259431 = r259429 - r259430;
        return r259431;
}

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 2020001 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))