/// <summary>
/// Check whether the range has an upper bound.
/// </summary>
/// <returns>true if the range has an upper bound, false otherwise.</returns>
public bool HasUpperBound()
{
return(UpperBound.IsClosed());
}
/// <summary>
/// Check whether the range has a lower bound.
/// </summary>
/// <returns>true if the range has a lower bound, false otherwise.</returns>
public bool HasLowerBound()
{
return(LowerBound.IsClosed());
}