Average Error: 0.0 → 0.0
Time: 896.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r12184592 = x;
        double r12184593 = r12184592 * r12184592;
        double r12184594 = 1.0;
        double r12184595 = r12184593 - r12184594;
        return r12184595;
}
↓
double f(double x) {
        double r12184596 = x;
        double r12184597 = r12184596 * r12184596;
        double r12184598 = 1.0;
        double r12184599 = r12184597 - r12184598;
        return r12184599;
}

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 2019174 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))