Average Error: 0.0 → 0.0
Time: 4.5s
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r11204152 = x;
        double r11204153 = r11204152 * r11204152;
        double r11204154 = 1.0;
        double r11204155 = r11204153 - r11204154;
        return r11204155;
}
↓
double f(double x) {
        double r11204156 = x;
        double r11204157 = r11204156 * r11204156;
        double r11204158 = 1.0;
        double r11204159 = r11204157 - r11204158;
        return r11204159;
}

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 2019192 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))