Average Error: 0.0 → 0.0
Time: 2.9s
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r222972 = x;
        double r222973 = r222972 * r222972;
        double r222974 = 1.0;
        double r222975 = r222973 - r222974;
        return r222975;
}
↓
double f(double x) {
        double r222976 = x;
        double r222977 = r222976 * r222976;
        double r222978 = 1.0;
        double r222979 = r222977 - r222978;
        return r222979;
}

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 2019235 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))