Average Error: 0.0 → 0.0
Time: 332.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r237942 = x;
        double r237943 = r237942 * r237942;
        double r237944 = 1.0;
        double r237945 = r237943 - r237944;
        return r237945;
}
↓
double f(double x) {
        double r237946 = x;
        double r237947 = r237946 * r237946;
        double r237948 = 1.0;
        double r237949 = r237947 - r237948;
        return r237949;
}

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 2020024 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))