/*************************/
// Basic operations
/*************************/
// When adding a new entry we check if the neighborhood is already contained in the set
// If true, then we might replace the previous representative that is not connected to this neighborhood if the new one is lexicographically smaller
public void Update(BitSet representative, BitSet neighborhood)
{
if (_map.ContainsValue(neighborhood))
{
BitSet previousRep = _map.Reverse[neighborhood];
if (representative.IsLexicographicallySmaller(previousRep))
{
_map.Remove(previousRep, neighborhood);
_map.Add(representative, neighborhood);
}
}
else
{
_map.Add(representative, neighborhood);
}
}