Average Error: 0.0 → 0.0
Time: 764.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r183850 = x;
        double r183851 = r183850 * r183850;
        double r183852 = 1.0;
        double r183853 = r183851 - r183852;
        return r183853;
}
↓
double f(double x) {
        double r183854 = x;
        double r183855 = r183854 * r183854;
        double r183856 = 1.0;
        double r183857 = r183855 - r183856;
        return r183857;
}

Error

Bits error versus x

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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 2019194 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))