Average Error: 0.0 → 0.0
Time: 359.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r232550 = x;
        double r232551 = r232550 * r232550;
        double r232552 = 1.0;
        double r232553 = r232551 - r232552;
        return r232553;
}
↓
double f(double x) {
        double r232554 = x;
        double r232555 = r232554 * r232554;
        double r232556 = 1.0;
        double r232557 = r232555 - r232556;
        return r232557;
}

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 2020046 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))