/// <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);
}
public static List <int> GetNumNodes(List <CUDDNode> dds)
{
List <int> result = new List <int>();
foreach (CUDDNode dd in dds)
{
result.Add(CUDD.GetNumNodes(dd));
}
return(result);
}
/// <summary>
/// Or all CUDDNode in dds
/// [ REFS: 'result', DEREFS: dds ]
/// </summary>
public static CUDDNode Or(List <CUDDNode> dds)
{
CUDDNode result = CUDD.Constant(0);
foreach (CUDDNode dd in dds)
{
result = CUDD.Function.Or(result, dd);
}
return(result);
}
/// <summary>
/// Return the complement of dds
/// [ REFS: 'result', DEREFS: 'dds' ]
/// </summary>
public static CUDDNode Not(List <CUDDNode> dds)
{
CUDDNode result = CUDD.Constant(1);
foreach (CUDDNode dd in dds)
{
result = CUDD.Function.And(result, CUDD.Function.Not(dd));
}
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 CUDDNode And(CUDDNode dd, List <CUDDNode> list)
{
CUDDNode result = CUDD.Constant(0);
foreach (CUDDNode dd1 in list)
{
CUDD.Ref(dd);
CUDDNode temp = CUDD.Function.And(dd, dd1);
result = CUDD.Function.Or(result, temp);
}
CUDD.Deref(dd);
return(result);
}
/// <summary>
/// Return the pointer address of the array of boolean variables in the memory
/// </summary>
/// <returns></returns>
public IntPtr GetArrayPointer()
{
if (isArrayAllocated)
{
return(ptr);
}
else
{
if (ptr != IntPtr.Zero)
{
CUDD.FreeArray(ptr);
}
ptr = BuildArray();
isArrayAllocated = true;
return(ptr);
}
}
/// <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);
}
public CUDDNode GetElse()
{
return(CUDD.GetElse(this));
}
public CUDDNode GetThen()
{
return(CUDD.GetThen(this));
}
public double GetValue()
{
return(CUDD.GetValue(this));
}
public int GetIndex()
{
return(CUDD.GetIndex(this));
}
/// <summary>
/// Check whether the represented boolean expression is actually a constant
/// </summary>
/// <returns></returns>
public bool IsConstant()
{
return(CUDD.IsConstant(this));
}
public void Deref()
{
CUDD.Deref(this.vars);
}
public void Ref()
{
CUDD.Ref(this.vars);
}