Average Error: 0.0 → 0.0
Time: 327.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r310281 = x;
        double r310282 = r310281 * r310281;
        double r310283 = 1.0;
        double r310284 = r310282 - r310283;
        return r310284;
}
↓
double f(double x) {
        double r310285 = x;
        double r310286 = r310285 * r310285;
        double r310287 = 1.0;
        double r310288 = r310286 - r310287;
        return r310288;
}

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

    \[x \cdot x - 1\]

  2. Final simplification0.0

    \[\leadsto x \cdot x - 1\]

Reproduce

herbie shell --seed 2020024 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))