Average Error: 0.0 → 0.0
Time: 725.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r310133 = x;
        double r310134 = r310133 * r310133;
        double r310135 = 1.0;
        double r310136 = r310134 - r310135;
        return r310136;
}
↓
double f(double x) {
        double r310137 = x;
        double r310138 = r310137 * r310137;
        double r310139 = 1.0;
        double r310140 = r310138 - r310139;
        return r310140;
}

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 2020065 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))