Average Error: 0.0 → 0.0
Time: 866.0ms
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 r11799868 = x;
        double r11799869 = r11799868 * r11799868;
        double r11799870 = 1.0;
        double r11799871 = r11799869 - r11799870;
        return r11799871;
}
↓
double f(double x) {
        double r11799872 = x;
        double r11799873 = r11799872 * r11799872;
        double r11799874 = 1.0;
        double r11799875 = r11799873 - r11799874;
        return r11799875;
}

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 2019163 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))