Average Error: 0.0 → 0.0
Time: 565.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r197643 = x;
        double r197644 = r197643 * r197643;
        double r197645 = 1.0;
        double r197646 = r197644 - r197645;
        return r197646;
}
↓
double f(double x) {
        double r197647 = x;
        double r197648 = r197647 * r197647;
        double r197649 = 1.0;
        double r197650 = r197648 - r197649;
        return r197650;
}

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