Average Error: 0.0 → 0.0
Time: 915.0ms
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 r11173014 = x;
        double r11173015 = r11173014 * r11173014;
        double r11173016 = 1.0;
        double r11173017 = r11173015 - r11173016;
        return r11173017;
}
↓
double f(double x) {
        double r11173018 = x;
        double r11173019 = r11173018 * r11173018;
        double r11173020 = 1.0;
        double r11173021 = r11173019 - r11173020;
        return r11173021;
}

Error

Bits error versus x

Try it out

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 2019164 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))