//checks if u (and v) touches an intersection of the hypercube, and if so,
//returns true if that point is in the vertex set
private static bool CheckVertexSet(Point2 u, Point2 v, int[] gap0, int d, int k)
{
if (!Globals.CheckVStar)
{
return(true);
}
var index = "";
var found = false;
for (int i = 0; i < Globals.d; i++)
{
//check that point is in intersection with hypercube
if (v.Coordinates[i] != Globals.k && v.Coordinates[i] != 0)
{
continue;
}
index = d.ToString() + "," + k.ToString() + "," + (2 * Globals.gap - gap0[i]).ToString();
//check for existence of vertex set
if (Globals.VertexSet.ContainsKey(index) && Globals.VertexSet[index].Count == 0)
{
continue;
}
Point2 q = v.DecreaseDimensionality(i);
found = false;
foreach (Point2 p in Globals.VertexSet[index])
{
if (p.Equals(q))
{
found = true;
break;
}
}
if (!found)
{
return(false);
}
}
for (int i = 0; i < Globals.d; i++)
{
//check that point is in intersection with hypercube
if (u.Coordinates[i] != Globals.k && u.Coordinates[i] != 0)
{
continue;
}
index = d.ToString() + k.ToString() + gap0[i].ToString();
//check for existence of vertex set
if (Globals.VertexSet.ContainsKey(index) && Globals.VertexSet[index].Count == 0)
{
continue;
}
Point2 q = u.DecreaseDimensionality(i);
found = false;
foreach (Point2 p in Globals.VertexSet[index])
{
if (p.Equals(q))
{
found = true;
break;
}
}
if (!found)
{
return(false);
}
}
return(true);
}
