Average Error: 0.0 → 0.0
Time: 320.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r273076 = x;
        double r273077 = r273076 * r273076;
        double r273078 = 1.0;
        double r273079 = r273077 - r273078;
        return r273079;
}
↓
double f(double x) {
        double r273080 = x;
        double r273081 = r273080 * r273080;
        double r273082 = 1.0;
        double r273083 = r273081 - r273082;
        return r273083;
}

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 2020047 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))