/// <summary>
/// Swaps 2 elements in the heap
/// </summary>
/// <param name="a">index of first element</param>
/// <param name="b">index of second element</param>
private void Swap(int a, int b)
{
PrioCord c = _heapList[a];
_heapList[a] = _heapList[b];
_heapList[b] = c;
_locations[c.Row][c.Column] = b;
c = _heapList[a];
_locations[c.Row][c.Column] = a;
}
/// <summary>
/// Raises the specified element to it's place
/// </summary>
/// <param name="i">index of element</param>
private void Float(int i)
{
PrioCord pk = _heapList[i];
while (i > 0 && Parent(i).Priority < pk.Priority)
{
_heapList[i] = Parent(i);
_locations[_heapList[i].Row][_heapList[i].Column] = i;
i = i / 2;
}
_heapList[i] = pk;
_locations[pk.Row][pk.Column] = i;
}