Average Error: 0.0 → 0.0
Time: 357.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r236177 = x;
        double r236178 = r236177 * r236177;
        double r236179 = 1.0;
        double r236180 = r236178 - r236179;
        return r236180;
}
↓
double f(double x) {
        double r236181 = x;
        double r236182 = r236181 * r236181;
        double r236183 = 1.0;
        double r236184 = r236182 - r236183;
        return r236184;
}

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 2020003 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))