/// <summary>
/// list1, list 2 are 2 list of nodes. These nodes are Or-explicit
/// Return (list1 and list2)
/// [ REFS: 'result', DEREFS: dd1, dd2 ]
/// </summary>
public static List <CUDDNode> And(List <CUDDNode> list1, List <CUDDNode> list2)
{
List <CUDDNode> result = new List <CUDDNode>();
foreach (CUDDNode dd1 in list1)
{
foreach (CUDDNode dd2 in list2)
{
CUDD.Ref(dd1);
CUDD.Ref(dd2);
CUDDNode dd = CUDD.Function.And(dd1, dd2);
if (!dd.Equals(CUDD.ZERO))
{
result.Add(dd);
}
else
{
CUDD.Deref(dd);
}
}
}
CUDD.Deref(list1);
CUDD.Deref(list2);
//
return(result);
}
/// <summary>
/// Check whether subSet is a subset of set
/// [ REFS: '', DEREFS: 'none' ]
/// </summary>
public static bool IsSubSet(CUDDNode set, CUDDNode subSet)
{
CUDD.Ref(subSet);
CUDD.Ref(set);
CUDDNode temp = CUDD.Function.And(subSet, set);
bool result = temp.Equals(subSet);
CUDD.Deref(temp);
return(result);
}
/// <summary>
/// (dd && list[0]) || (dd && list[1]) ...
/// [ REFS: 'result', DEREFS: dd, list ]
/// </summary>
/// <param name="dd"></param>
/// <param name="list"></param>
/// <returns></returns>
public static List <CUDDNode> And(List <CUDDNode> list, CUDDNode dd)
{
List <CUDDNode> result = new List <CUDDNode>();
foreach (CUDDNode dd1 in list)
{
CUDD.Ref(dd);
CUDDNode temp = CUDD.Function.And(dd, dd1);
if (temp.Equals(CUDD.ZERO))
{
CUDD.Deref(temp);
}
else
{
result.Add(temp);
}
}
CUDD.Deref(dd);
return(result);
}
/// <summary>
/// [ REFS: 'none', DEREFS: 'dd if failed to add' ]
/// </summary>
public void AddNodeToGuard(CUDDNode dd)
{
if (!dd.Equals(CUDD.ZERO))
{
this.GuardDDs.Add(dd);
}
else
{
CUDD.Deref(dd);
}
}
