Average Error: 0.0 → 0.0
Time: 718.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r232143 = x;
        double r232144 = r232143 * r232143;
        double r232145 = 1.0;
        double r232146 = r232144 - r232145;
        return r232146;
}
↓
double f(double x) {
        double r232147 = x;
        double r232148 = r232147 * r232147;
        double r232149 = 1.0;
        double r232150 = r232148 - r232149;
        return r232150;
}

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 2019298 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))