Average Error: 0.0 → 0.0
Time: 318.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r262453 = x;
        double r262454 = r262453 * r262453;
        double r262455 = 1.0;
        double r262456 = r262454 - r262455;
        return r262456;
}
↓
double f(double x) {
        double r262457 = x;
        double r262458 = r262457 * r262457;
        double r262459 = 1.0;
        double r262460 = r262458 - r262459;
        return r262460;
}

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 2020062 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))