Average Error: 0.0 → 0.0
Time: 309.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r232516 = x;
        double r232517 = r232516 * r232516;
        double r232518 = 1.0;
        double r232519 = r232517 - r232518;
        return r232519;
}
↓
double f(double x) {
        double r232520 = x;
        double r232521 = r232520 * r232520;
        double r232522 = 1.0;
        double r232523 = r232521 - r232522;
        return r232523;
}

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 2020049 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))