//------------------------------------------------------------------------------------------------
/// <summary>
/// <para>Static method to generate the set of all subsets of the given discrete element.</para>
/// <para>WARNING: DO NOT CALL THIS METHOD WITH AN ELEMENT TOO BIG (A HIGH NUMBER OF POSSIBLE
/// STATES/WORLD) OR IT WILL HARM YOUR POOR COMPUTER.</para>
/// </summary>
/// <param name="e">The element to generate the set from.</param>
/// <returns>Returns a new discrete set containing all the subsets of the given element.</returns>
public static DiscreteSet GenerateSetOfSubsets(DiscreteElement e)
{
DiscreteSet toReturn = new DiscreteSet();
DiscreteElementEnumerator enumerator = new DiscreteElementEnumerator(e.Size);
foreach (DiscreteElement el in enumerator)
{
if (el.IsASubset(e))
{
toReturn.Add(el);
}
}
return(toReturn);
}
//------------------------------------------------------------------------------------------------
/// <summary>
/// <para>Static method to generate a partial power set containing all the possible discrete elements
/// of a given size (nbOfAtoms) with a specified maximal cardinal.</para>
/// <para>WARNING: DO NOT CALL THIS METHOD WITH A NUMBER OF ATOMS TOO BIG OR IT WILL HARM YOUR POOR
/// COMPUTER.</para>
/// </summary>
/// <param name="numberOfAtoms">The number of possible states/worlds defined in the frame
/// of discernment.</param>
/// <param name="maxCard">The maximal cardinal for the created elements.</param>
/// <returns>Returns a new set </returns>
public static DiscreteSet GeneratePartialPowerSet(int numberOfAtoms, int maxCard)
{
DiscreteSet s = new DiscreteSet();
DiscreteElementEnumerator enumerator = new DiscreteElementEnumerator(numberOfAtoms);
foreach (DiscreteElement e in enumerator)
{
if (e.Card <= maxCard)
{
s.Add(e);
}
}
return(s);
}
