Average Error: 0.0 → 0.0
Time: 710.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r213754 = x;
        double r213755 = r213754 * r213754;
        double r213756 = 1.0;
        double r213757 = r213755 - r213756;
        return r213757;
}
↓
double f(double x) {
        double r213758 = x;
        double r213759 = r213758 * r213758;
        double r213760 = 1.0;
        double r213761 = r213759 - r213760;
        return r213761;
}

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 2019304 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))