Average Error: 0.0 → 0.0
Time: 680.0ms
Precision: 64
\[x \cdot x - 1.0\]
↓
\[x \cdot x - 1.0\]
x \cdot x - 1.0
↓
x \cdot x - 1.0
double f(double x) {
        double r11742826 = x;
        double r11742827 = r11742826 * r11742826;
        double r11742828 = 1.0;
        double r11742829 = r11742827 - r11742828;
        return r11742829;
}
↓
double f(double x) {
        double r11742830 = x;
        double r11742831 = r11742830 * r11742830;
        double r11742832 = 1.0;
        double r11742833 = r11742831 - r11742832;
        return r11742833;
}

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

    \[x \cdot x - 1.0\]

  2. Final simplification0.0

    \[\leadsto x \cdot x - 1.0\]

Reproduce

herbie shell --seed 2019162 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))