Exemple #1
0
        public void testPerf(Graph g)
        {
            long milliseconds;

            Stopwatch stopDij = new Stopwatch();
            stopDij.Start();
            Dijkstra dj = new Dijkstra(g, g.getNodeAt(0));
            stopDij.Stop();
            milliseconds = stopDij.ElapsedMilliseconds;
            Console.WriteLine("Dijkstra : " + milliseconds + " ms");

            Stopwatch stopBell = new Stopwatch();
            stopBell.Start();
            Bellman bm = new Bellman(g, g.getNodeAt(0));
            stopBell.Stop();
            milliseconds = stopBell.ElapsedMilliseconds;
            Console.WriteLine("Bellman : " + milliseconds + " ms");

            Stopwatch stopDFS = new Stopwatch();
            stopDFS.Start();
            DepthFirst dfs = new DepthFirst(g , g.getNodeAt(0));
            stopDFS.Stop();
            milliseconds = stopDFS.ElapsedMilliseconds;
            Console.WriteLine("DFS : " + milliseconds + " ms");

            Stopwatch stopFloyd = new Stopwatch();
            stopFloyd.Start();
            Floyd fl = new Floyd(g);
            stopFloyd.Stop();
            milliseconds = stopFloyd.ElapsedMilliseconds;
            Console.WriteLine("Floyd : " + milliseconds + " ms");
        }
Exemple #2
0
        static void Main(string[] args)
        {
            /*

            Object[,] graphComponent = new Object[,] {
            {"Paris",    int.MaxValue, 1, int.MaxValue, int.MaxValue, 11, int.MaxValue, int.MaxValue},
            {"Bordeaux", int.MaxValue,  int.MaxValue, 5, int.MaxValue, int.MaxValue, int.MaxValue, int.MaxValue},
            {"Bayonne",  int.MaxValue,  int.MaxValue,  int.MaxValue,  5,  int.MaxValue, int.MaxValue, int.MaxValue},
            {"Pau",      3,   int.MaxValue, int.MaxValue, int.MaxValue, int.MaxValue, int.MaxValue, 3},
            {"Bangkok",  int.MaxValue,  int.MaxValue, int.MaxValue,int.MaxValue, int.MaxValue, 8, 13},
            {"Yangon", int.MaxValue, int.MaxValue, int.MaxValue, int.MaxValue, 3, int.MaxValue, int.MaxValue},
            {"Tarbes", int.MaxValue, int.MaxValue, int.MaxValue, int.MaxValue, int.MaxValue, int.MaxValue , int.MaxValue},
            };
            */

            Object[,] graphComponent = new Object[,] {
             {"Paris",    0, 1, 10, 3, int.MaxValue, int.MaxValue, int.MaxValue},
            {"Bordeaux", 4,   0, 3, 1, int.MaxValue, int.MaxValue, 5},
            {"Pau",      3,   7, 0, 1, int.MaxValue, 10, int.MaxValue},
             {"Bangkok",  52,  4, 1, 0, 8, int.MaxValue, int.MaxValue},
            {"Yangon", int.MaxValue, int.MaxValue, int.MaxValue, 8, int.MaxValue, int.MaxValue, int.MaxValue},
            {"Tarbes", int.MaxValue, 5, int.MaxValue, int.MaxValue, int.MaxValue, 0, int.MaxValue},
            {"Bayonne",  int.MaxValue,  int.MaxValue,  int.MaxValue,  int.MaxValue,  int.MaxValue, int.MaxValue, 0},
            };

            Graph g = new Graph(graphComponent);
            g.display();

            g.displayCurrentMatrix();

            SaveManager sm = new SaveManager();
            sm.saveGraph(g);

            StronglyConnectedComponent scc = new StronglyConnectedComponent();
            scc.displaySCC(g);

            /*
            Actions a = new Actions();
            a.testPerf(g);
            */
            Bellman bm = new Bellman(g, g.getNodeAt(0));
            bm.display();

            Dijkstra dj = new Dijkstra(g, g.getNodeAt(0));
            dj.display();

            /*
             *
            Floyd flo = new Floyd(g);
            flo.display();
             *
            DepthFirst dfs = new DepthFirst(g, g.getNodeAt(0));
            dfs.displayDFSPath();

            TreeDepthFirst tdfs = new TreeDepthFirst(g, g.getNodeAt(0));
            Graph zi = tdfs.getDFSGraph();

            zi.display();
             */
        }
Exemple #3
0
        public void generateMatrix(Graph g)
        {
            int dim = g.getNodeList().Count();
            Object[,] matrixC = new Object[dim, dim + 1]; //+1 <=> colonne ajoutée pour les noms

            //On ajoute les noms de noeuds à la matrice
            for (int i = 0; i < dim; i++)
                matrixC[i, 0] = g.getNodeAt(i).getName();

            //On remplit les cases connues
            foreach (Node n in g.getNodeList())
            {
                foreach (Arc a in n.getEgressArc())
                {
                    int x = a.getOrigin().getIndex();
                    int y = a.getEdge().getIndex();
                    setValueAt(matrixC, a.getCost(), x, y+1);
                }
            }
            //On remplie les cases inconnues
            for (int i = 0; i < dim; i++)
            {
                for (int j = 1; j < dim + 1; j++)
                {
                   if(matrixC[i, j]==null)
                   {
                       if (i + 1 == j)
                           matrixC[i, j] = 0;
                       else
                           matrixC[i, j] = int.MaxValue;
                   }
                }
            }
            this.costMatrix = matrixC;
            refreshCalcM();
        }