Average Error: 0.0 → 0.0
Time: 1.2s
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r190741 = x;
        double r190742 = r190741 * r190741;
        double r190743 = 1.0;
        double r190744 = r190742 - r190743;
        return r190744;
}
↓
double f(double x) {
        double r190745 = x;
        double r190746 = r190745 * r190745;
        double r190747 = 1.0;
        double r190748 = r190746 - r190747;
        return r190748;
}

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 2019195 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))