Average Error: 0.0 → 0.0
Time: 674.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r173435 = x;
        double r173436 = r173435 * r173435;
        double r173437 = 1.0;
        double r173438 = r173436 - r173437;
        return r173438;
}
↓
double f(double x) {
        double r173439 = x;
        double r173440 = r173439 * r173439;
        double r173441 = 1.0;
        double r173442 = r173440 - r173441;
        return r173442;
}

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 2019326 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))