Average Error: 0.0 → 0.0
Time: 498.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r244866 = x;
        double r244867 = r244866 * r244866;
        double r244868 = 1.0;
        double r244869 = r244867 - r244868;
        return r244869;
}
↓
double f(double x) {
        double r244870 = x;
        double r244871 = r244870 * r244870;
        double r244872 = 1.0;
        double r244873 = r244871 - r244872;
        return r244873;
}

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 2020089 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))