Average Error: 0.0 → 0.0
Time: 876.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r322050 = x;
        double r322051 = r322050 * r322050;
        double r322052 = 1.0;
        double r322053 = r322051 - r322052;
        return r322053;
}
↓
double f(double x) {
        double r322054 = x;
        double r322055 = r322054 * r322054;
        double r322056 = 1.0;
        double r322057 = r322055 - r322056;
        return r322057;
}

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 2020036 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))