using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
namespace Common
{
// A Stacked array is an integer array that contains a sequence of ascending integers.
// It is another representation of a bitset. Instead it contains the list of positions in the bitset that
// are set to true.
public class StackArrayUtility
{
public StackArrayUtility(int max)
{
_buffer = new int[max];
}
public int[] ToStackedArray(BitArray ba)
{
int j = 0;
for (int i = 0; i < ba.Length; i++)
{
if (ba[i])
{
_buffer[j] = i;
j++;
}
}
int[] ret = new int[j];
for (int i = 0; i < j; i++)
{
ret[i] = _buffer[i];
}
return ret;
}
public void FromStackedArray(int[] stack, BitArray ba)
{
for (int i = 0; i < stack.Length; i++)
{
ba[i] = true;
}
}
#region private
private int[] _buffer = null;
#endregion
}
}