Average Error: 0.0 → 0.0
Time: 816.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r788112 = x;
        double r788113 = r788112 * r788112;
        double r788114 = 1.0;
        double r788115 = r788113 - r788114;
        return r788115;
}
↓
double f(double x) {
        double r788116 = x;
        double r788117 = r788116 * r788116;
        double r788118 = 1.0;
        double r788119 = r788117 - r788118;
        return r788119;
}

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 2019179 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))