Average Error: 0.0 → 0.0
Time: 356.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r256346 = x;
        double r256347 = r256346 * r256346;
        double r256348 = 1.0;
        double r256349 = r256347 - r256348;
        return r256349;
}
↓
double f(double x) {
        double r256350 = x;
        double r256351 = r256350 * r256350;
        double r256352 = 1.0;
        double r256353 = r256351 - r256352;
        return r256353;
}

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 2020021 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))