Average Error: 0.0 → 0.0
Time: 581.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r113012 = x;
        double r113013 = r113012 * r113012;
        double r113014 = 1.0;
        double r113015 = r113013 - r113014;
        return r113015;
}
↓
double f(double x) {
        double r113016 = x;
        double r113017 = r113016 * r113016;
        double r113018 = 1.0;
        double r113019 = r113017 - r113018;
        return r113019;
}

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 2019326 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))