Example #1
0
        public void RunHeuristics()
        {
            if (!chkBFOnly.Checked)
            {
                vs.Initialize();
                vs.MaxIndSet();

                grmin.Initialize();
                grmin.MaxIndSet();

                grmax.Initialize();
                grmax.MaxIndSet();

                gc1.Initialize();
                gc1.MaxIndSet();
            }

            bma.Initialize();
            bma.MaxIndSet();
        }
Example #2
0
        static void Main(string[] args)
        {
            BMA        bma   = new BMA();
            DepthFirst df    = new DepthFirst();
            VSA        vs    = new VSA();
            GreedyMin  grmin = new GreedyMin();
            GreedyMax  grmax = new GreedyMax();
            GreedyC1   gc1   = new GreedyC1();

            string fileName   = "";
            int    randomSeed = 0;
            string param;

            bool isAdj        = false;
            bool isDM         = false;
            bool isRandom     = false;
            bool isShowHeader = false;
            bool isDepth      = false;

            foreach (string arg in args)
            {
                switch (arg.Substring(0, 2).ToUpper())
                {
                case "/S":     // Random - seed
                    param = arg.Substring(3);
                    int.TryParse(param, out randomSeed);
                    break;

                case "/R":     // Random - number of nodes
                    param = arg.Substring(3);
                    if (int.TryParse(param, out Network.numNodes))
                    {
                        isRandom = true;
                    }
                    break;

                case "/H":     // Show header
                    isShowHeader = true;
                    break;

                case "/F":     // Read AdjMatrix from file
                    fileName = arg.Substring(3);
                    if (File.Exists(fileName))
                    {
                        isAdj = true;
                    }
                    break;

                case "/D":     // Read DIMACS from file
                    fileName = arg.Substring(3);
                    if (File.Exists(fileName))
                    {
                        isDM = true;
                    }
                    break;

                case "/P":     // Do Depth algorithm instead of heuristics
                    isDepth = true;
                    break;


                default:
                    Console.WriteLine("Invalid Parameters");
                    break;
                }
            }

            if (isAdj)
            {
                Network.ReadAdjacencyMatrix(fileName);
            }

            else if (isDM)
            {
                Network.ReadDIMACS(fileName);
            }

            else if (isRandom)
            {
                Network.RandomAdjacencyMatrix(randomSeed);
            }

            if (isShowHeader)
            {
                if (isDepth)
                {
                    Console.Write("Graph,Nodes,Edges,");
                    Console.Write("Depth,,,");
                    Console.WriteLine();
                    Console.Write(",,,");
                    Console.Write("MIS,NodeList,Time,");
                    Console.WriteLine();
                }
                else
                {
                    Console.Write("Graph,Nodes,Edges,");

                    Console.Write("BMA,,,");
                    Console.Write("Greedy-Min,,,");
                    Console.Write("Greedy-Max,,,");
                    Console.Write("Greedy-C1,,,");
                    Console.Write("VSA,,,");
                    Console.WriteLine();
                    Console.Write(",,,");
                    Console.Write("MIS,NodeList,Time,");
                    Console.Write("MIS,NodeList,Time,");
                    Console.Write("MIS,NodeList,Time,");
                    Console.Write("MIS,NodeList,Time,");
                    Console.Write("MIS,NodeList,Time,");
                    Console.WriteLine();
                }
            }


            if (!isAdj && !isDM && !isRandom)
            {
                // No input data
                return;
            }

            if (isDepth)
            {
                df.Initialize();
                df.MaxIndSet();
                Console.Write(string.Format("{0},{1},{2},", Path.GetFileNameWithoutExtension(fileName), Network.numNodes, Network.numEdges));
                Console.Write(string.Format("{0},{1},{2},", df.path.Count, String.Join(" ", df.path.ToArray()), df.elapsedTime.TotalMilliseconds));
                Console.WriteLine();
            }

            else
            {
                vs.Initialize();
                vs.MaxIndSet();
                grmin.Initialize();
                grmin.MaxIndSet();

                grmax.Initialize();
                grmax.MaxIndSet();

                gc1.Initialize();
                gc1.MaxIndSet();

                bma.Initialize();
                bma.MaxIndSet();

                Console.Write(string.Format("{0},{1},{2},", Path.GetFileNameWithoutExtension(fileName), Network.numNodes, Network.numEdges));

                Console.Write(string.Format("{0},({1}),{2},", bma.path.Count, String.Join(" ", bma.path.ToArray()), bma.elapsedTime.TotalMilliseconds));
                Console.Write(string.Format("{0},({1}),{2},", grmin.path.Count, String.Join(" ", grmin.path.ToArray()), grmin.elapsedTime.TotalMilliseconds));
                Console.Write(string.Format("{0},({1}),{2},", grmax.path.Count, String.Join(" ", grmax.path.ToArray()), grmax.elapsedTime.TotalMilliseconds));
                Console.Write(string.Format("{0},({1}),{2},", gc1.path.Count, String.Join(" ", gc1.path.ToArray()), gc1.elapsedTime.TotalMilliseconds));
                Console.Write(string.Format("{0},({1}),{2},", vs.path.Count, String.Join(" ", vs.path.ToArray()), vs.elapsedTime.TotalMilliseconds));
                Console.WriteLine();
                //SaveOutput();
            }
        }