Average Error: 0.0 → 0.0
Time: 1.4s
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r12556336 = x;
        double r12556337 = r12556336 * r12556336;
        double r12556338 = 1.0;
        double r12556339 = r12556337 - r12556338;
        return r12556339;
}
↓
double f(double x) {
        double r12556340 = x;
        double r12556341 = r12556340 * r12556340;
        double r12556342 = 1.0;
        double r12556343 = r12556341 - r12556342;
        return r12556343;
}

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 2019168 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))