Average Error: 0.0 → 0.0
Time: 643.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r151501 = x;
        double r151502 = r151501 * r151501;
        double r151503 = 1.0;
        double r151504 = r151502 - r151503;
        return r151504;
}
↓
double f(double x) {
        double r151505 = x;
        double r151506 = r151505 * r151505;
        double r151507 = 1.0;
        double r151508 = r151506 - r151507;
        return r151508;
}

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