Average Error: 0.0 → 0.0
Time: 1.0s
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r318344 = x;
        double r318345 = r318344 * r318344;
        double r318346 = 1.0;
        double r318347 = r318345 - r318346;
        return r318347;
}
↓
double f(double x) {
        double r318348 = x;
        double r318349 = r318348 * r318348;
        double r318350 = 1.0;
        double r318351 = r318349 - r318350;
        return r318351;
}

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 2020036 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))