Average Error: 0.0 → 0.0
Time: 884.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r205349 = x;
        double r205350 = r205349 * r205349;
        double r205351 = 1.0;
        double r205352 = r205350 - r205351;
        return r205352;
}
↓
double f(double x) {
        double r205353 = x;
        double r205354 = r205353 * r205353;
        double r205355 = 1.0;
        double r205356 = r205354 - r205355;
        return r205356;
}

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 2019303 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))