public static String getPowerSet(ArraySet e)
{
int n = Convert.ToInt32(Math.Pow(2, e.SIZE));
String result = "{{";
for (int count = 0; count < n; count++)
{
result += "{";
char[] binary = ToBinary(count).ToCharArray();
Array.Reverse(binary);
char[] newArray = new char[e.SIZE];
for (int i = 0; i < binary.Length; i++)
{
newArray[i] = binary[i];
}
while (newArray.Length < e.SIZE)
{
newArray[n - newArray.Length] = '0';
}
Array.Reverse(newArray);
for (int j = 0; j < newArray.Length; j++)
{
if (newArray[j] == '1')
{
result = result + e.data[j] + ",";
}
}
result = result.Remove(result.Length - 1);
result += "},";
}
result = result.Remove(result.Length - 1) + "}";
return(result);
}
public object Clone()
{
ArraySet temp = new ArraySet();
foreach (double i in this.data)
{
temp.add(i);
}
return(temp);
}
public static bool isSubsetOf(ArraySet a, ArraySet b)
{
foreach (object i in a.data)
{
if (!b.contains((double)i))
{
return(false);
}
}
return(true);
}
public ArraySet difference(ArraySet e)
{
ArraySet temp = (ArraySet)this.Clone();
foreach (double i in this.data)
{
if (e.contains(i))
{
temp.remove(i);
}
}
return(temp);
}
public ArraySet Union(ArraySet e)
{
ArraySet temp = (ArraySet)this.Clone();
foreach (double j in e.data)
{
if (!temp.contains(j))
{
temp.add(j);
}
}
return(temp);
}
public ArraySet intersection(ArraySet e)
{
ArraySet temp = new ArraySet();
foreach (double i in this.data)
{
foreach (double j in e.data)
{
if (i == j)
{
temp.add(i);
break;
}
}
}
return(temp);
}
