Average Error: 0.0 → 0.0
Time: 747.0ms
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 r11730277 = x;
        double r11730278 = r11730277 * r11730277;
        double r11730279 = 1.0;
        double r11730280 = r11730278 - r11730279;
        return r11730280;
}
↓
double f(double x) {
        double r11730281 = x;
        double r11730282 = r11730281 * r11730281;
        double r11730283 = 1.0;
        double r11730284 = r11730282 - r11730283;
        return r11730284;
}

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 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))