/// <summary>
/// Compares the current instance with another object of the same type.
/// </summary>
/// <param name="obj">An object to compare with this instance.</param>
/// <returns>
/// A 32-bit signed integer that indicates the relative order of the objects being compared. The return value has these meanings: Value Meaning Less than zero This instance is less than obj. Zero This instance is equal to obj. Greater than zero This instance is greater than obj.
/// </returns>
/// <exception cref="T:System.ArgumentException">obj is not the same type as this instance. </exception>
public int CompareTo(object obj)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
if (this.GetType() == obj.GetType())
{
PascalSet set = obj as PascalSet;
return(this.Count.CompareTo(set.Count));
}
else
{
return(this.GetType().FullName.CompareTo(obj.GetType().FullName));
}
}
/// <summary>
/// Determines whether this set is a superset of the specified set.
/// </summary>
/// <param name="set">The set to be compared against.</param>
/// <returns>
/// <c>true</c> if this set is a superset of the specified set; otherwise, <c>false</c>.
/// </returns>
public bool IsSupersetOf(PascalSet set)
{
if (set == null)
{
throw new ArgumentNullException("set");
}
CheckIfUniverseTheSame(set);
for (int i = 0; i < data.Length; i++)
{
if (set.data[i])
{
if (!data[i])
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Determines whether the specified set is equal to this one.
/// </summary>
/// <param name="set">The set.</param>
/// <returns>
/// <c>true</c> if the specified set is equal this this one; otherwise, <c>false</c>.
/// </returns>
public bool IsEqual(PascalSet set)
{
if (set == null)
{
throw new ArgumentNullException("set");
}
if (!IsUniverseTheSame(set))
{
return(false);
}
else
{
for (int i = 0; i < data.Length; i++)
{
if (data[i] != set.data[i])
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Determines whether [is universe the same] [the specified set].
/// </summary>
/// <param name="set">The set.</param>
/// <returns>
/// <c>true</c> if [is universe the same] [the specified set]; otherwise, <c>false</c>.
/// </returns>
private bool IsUniverseTheSame(PascalSet set)
{
return
((set.lowerBound == this.lowerBound) &&
(set.upperBound == this.upperBound));
}