private static void TestMatrixStuff()
{
Graph g = new Graph();
g.Directed = true;
Vertex v1 = new Vertex();
Vertex v2 = new Vertex();
Vertex v3 = new Vertex();
Vertex v4 = new Vertex();
g.AddVertex(v1);
g.AddVertex(v2);
g.AddVertex(v3);
g.AddVertex(v4);
g.AddEdge(new Edge(v2, v1, 25f));
g.AddEdge(new Edge(v1, v3, 10f));
g.RemoveEdge(g.GetEdges()[1]);
g.AddEdge(new Edge(v4, v2, 7f));
g.RemoveVertex(v1);
g.RemoveVertex(v2);
g.AddEdge(new Edge(v3, v4, 30f));
g.AddEdge(new Edge(v4, v3, 27f));
Console.WriteLine("Testing graph insertion and deletion");
g.PrintMatrix();
Console.WriteLine();
Graph g2 = new Graph();
g.CopyTo(g2);
g2.PrintMatrix();
}