Exemple #1
0
// Test small graph
void GetSmallGraph() {
  PNEANet Graph;

  return;

  //Graph = TNEANet::GetSmallGraph();
  PrintGStats("GetSmallGraph:Graph",Graph);
}
Exemple #2
0
// Test node, edge creation
void ManipulateNodesEdges() {
  int NNodes = 1000;
  int NEdges = 100000;
  const char *FName = "demo.graph.dat";

  PNEANet Graph;
  PNEANet Graph1;
  PNEANet Graph2;
  int i;
  int n;
  int NCount;
  int ECount1;
  int ECount2;
  int x,y;
  bool t;

  Graph = TNEANet::New();
  t = Graph->Empty();

  // create the nodes
  for (i = 0; i < NNodes; i++) {
    Graph->AddNode(i);
  }
  n = Graph->GetNodes();
  t = Graph->Empty();

  // create random edges
  NCount = NEdges;
  while (NCount > 0) {
    x = rand() % NNodes;
    y = rand() % NNodes;
    n = Graph->AddEdge(x, y);
    NCount--;
  }
  PrintGStats("ManipulateNodesEdges:Graph",Graph);

  // get all the nodes
  NCount = 0;
  for (TNEANet::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++) {
    NCount++;
  }

  // get all the edges for all the nodes
  ECount1 = 0;
  for (TNEANet::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++) {
    for (int e = 0; e < NI.GetOutDeg(); e++) {
      ECount1++;
    }
  }

  // get all the edges directly
  ECount2 = 0;
  for (TNEANet::TEdgeI EI = Graph->BegEI(); EI < Graph->EndEI(); EI++) {
    ECount2++;
  }
  printf("graph ManipulateNodesEdges:Graph, nodes %d, edges1 %d, edges2 %d\n",
      NCount, ECount1, ECount2);

  // assignment
  Graph1 = TNEANet::New();
  *Graph1 = *Graph;
  PrintGStats("ManipulateNodesEdges:Graph1",Graph1);

  // save the graph
  {
    TFOut FOut(FName);
    Graph->Save(FOut);
    FOut.Flush();
  }

  // load the graph
  {
    TFIn FIn(FName);
    Graph2 = TNEANet::Load(FIn);
  }
  PrintGStats("ManipulateNodesEdges:Graph2",Graph2);

  // remove all the nodes and edges
  for (i = 0; i < NNodes; i++) {
    n = Graph->GetRndNId();
    Graph->DelNode(n);
  }

  PrintGStats("ManipulateNodesEdges:Graph",Graph);

  Graph1->Clr();
  PrintGStats("ManipulateNodesEdges:Graph1",Graph1);
}
Exemple #3
0
// Test the default constructor
void DefaultConstructor() {
  PNEANet Graph;

  Graph = TNEANet::New();
  PrintGStats("DefaultConstructor:Graph",Graph);
}
Exemple #4
0
// Test node, edge creation
void ManipulateNodesEdges() {
  int NNodes = 10000;
  int NEdges = 100000;
  const char *FName = "test.graph";

  PUNGraph Graph;
  PUNGraph Graph1;
  PUNGraph Graph2;
  int i;
  int n;
  int NCount;
  int ECount1;
  int ECount2;
  int x,y;
  bool t;

  Graph = TUNGraph::New();
  t = Graph->Empty();

  // create the nodes
  for (i = 0; i < NNodes; i++) {
    Graph->AddNode(i);
  }
  t = Graph->Empty();
  n = Graph->GetNodes();

  // create random edges
  NCount = NEdges;
  while (NCount > 0) {
    x = (long) (drand48() * NNodes);
    y = (long) (drand48() * NNodes);
    // Graph->GetEdges() is not correct for the loops (x == y),
    // skip the loops in this test
    if (x != y  &&  !Graph->IsEdge(x,y)) {
      n = Graph->AddEdge(x, y);
      NCount--;
    }
  }
  PrintGStats("ManipulateNodesEdges:Graph",Graph);

  // get all the nodes
  NCount = 0;
  for (TUNGraph::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++) {
    NCount++;
  }

  // get all the edges for all the nodes
  ECount1 = 0;
  for (TUNGraph::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++) {
    for (int e = 0; e < NI.GetOutDeg(); e++) {
      ECount1++;
    }
  }
  ECount1 /= 2;

  // get all the edges directly
  ECount2 = 0;
  for (TUNGraph::TEdgeI EI = Graph->BegEI(); EI < Graph->EndEI(); EI++) {
    ECount2++;
  }
  printf("graph ManipulateNodesEdges:Graph, nodes %d, edges1 %d, edges2 %d\n",
      NCount, ECount1, ECount2);

  // assignment
  Graph1 = TUNGraph::New();
  *Graph1 = *Graph;
  PrintGStats("ManipulateNodesEdges:Graph1",Graph1);

  // save the graph
  {
    TFOut FOut(FName);
    Graph->Save(FOut);
    FOut.Flush();
  }

  // load the graph
  {
    TFIn FIn(FName);
    Graph2 = TUNGraph::Load(FIn);
  }
  PrintGStats("ManipulateNodesEdges:Graph2",Graph2);

  // remove all the nodes and edges
  for (i = 0; i < NNodes; i++) {
    n = Graph->GetRndNId();
    Graph->DelNode(n);
  }

  PrintGStats("ManipulateNodesEdges:Graph",Graph);

  Graph1->Clr();
  PrintGStats("ManipulateNodesEdges:Graph1",Graph1);
}
Exemple #5
0
// Test small graph
void GetSmallGraph() {
  PUNGraph Graph;

  Graph = TUNGraph::GetSmallGraph();
  PrintGStats("GetSmallGraph:Graph",Graph);
}
Exemple #6
0
// Test the default constructor
void DefaultConstructor() {
  PUNGraph Graph;

  Graph = TUNGraph::New();
  PrintGStats("DefaultConstructor:Graph",Graph);
}
Exemple #7
0
// Create TMMNet, add modes, crossnets, create subgraphs, covert to TNEANet
void ManipulateMMNet() {
  int NNodes = 1000;
  int NEdges = 1000;
  // Create a multimodal network
  PMMNet Graph;
  Graph = PMMNet::New();
  PrintMMNetStats("Empty MMNet",Graph);

  // Add mode
  TStr TestMode1("TestMode1");
  Graph->AddModeNet(TestMode1);
  TInt TestModeId1 = Graph->GetModeId(TestMode1);

  // Add same-mode crossnet, directed
  TStr TestCross1("TestCross1");
  Graph->AddCrossNet(TestMode1, TestMode1, TestCross1, true);
  TInt TestCrossId1 = Graph->GetCrossId(TestCross1);

  // Add same-mode crossnet, undirected
  TStr TestCross2("TestCross2");
  Graph->AddCrossNet(TestModeId1, TestModeId1, TestCross2, false);
  TInt TestCrossId2 = Graph->GetCrossId(TestCross2);

  // Add mode
  TStr TestMode2("TestMode2");
  Graph->AddModeNet(TestMode2);
  TInt TestModeId2 = Graph->GetModeId(TestMode2);

  // Add crossnet, directed
  TStr TestCross3("TestCross3");
  Graph->AddCrossNet(TestMode1, TestMode2, TestCross3, true);
  TInt TestCrossId3 = Graph->GetCrossId(TestCross3);

  // Add crossnet, undirected
  TStr TestCross4("TestCross4");
  Graph->AddCrossNet(TestModeId1, TestModeId2, TestCross4, false);
  TInt TestCrossId4 = Graph->GetCrossId(TestCross4);

  PrintMMNetStats("MMNet with modes/crossnets",Graph);

  // Add Nodes
  TModeNet& ModeNet1 = Graph->GetModeNetByName(TestMode1);
  TModeNet& ModeNet2 = Graph->GetModeNetById(TestModeId2);
  for (int i=0; i < NNodes; i++) {
    ModeNet1.AddNode(i);
    ModeNet2.AddNode(i*2);
  }

  // Add edges
  TCrossNet& CrossNet1 = Graph->GetCrossNetByName(TestCross1);
  TCrossNet& CrossNet2 = Graph->GetCrossNetById(TestCrossId2);
  TCrossNet& CrossNet3 = Graph->GetCrossNetByName(TestCross3);
  TCrossNet& CrossNet4 = Graph->GetCrossNetById(TestCrossId4);
  for (int i=0; i < NEdges; i++) {
    CrossNet1.AddEdge(i, (i+1)%NNodes, i);
    CrossNet2.AddEdge((i+5)%NNodes, i, i);
    CrossNet3.AddEdge(i, (i%NNodes)*2, i);
    CrossNet4.AddEdge((i+5)%NNodes, (i%NNodes)*2, i);
  }

  //Iterate over modes
  for (TMMNet::TModeNetI MI = Graph->BegModeNetI(); MI < Graph->EndModeNetI(); MI++) {
    PrintGStats(MI.GetModeName().GetCStr(), MI.GetModeNet());
  }

  //Iterate over crossnets
  for (TMMNet::TCrossNetI CI = Graph->BegCrossNetI(); CI < Graph->EndCrossNetI(); CI++) {
    PrintGStats(CI.GetCrossName().GetCStr(), CI.GetCrossNet());
  }

  // Get subgraph
  TStrV CrossNets;
  CrossNets.Add(TestCross1);
  PMMNet Subgraph = Graph->GetSubgraphByCrossNet(CrossNets);
  PrintMMNetStats("Subgraph", Subgraph);
  TModeNet& M1 = Subgraph->GetModeNetByName(TestMode1);
  PrintGStats("M1", M1);
  // Get neighbor types
  TStrV M1Names;
  M1.GetCrossNetNames(M1Names);
  printf("Num neighbor types %d\n", M1Names.Len());
  // Get Neighbors for node 0
  TIntV Neighbors;
  M1.GetNeighborsByCrossNet(0, TestCross1, Neighbors);
  printf("Num Neighbors %d\n", Neighbors.Len());

  // Convert to TNEANet
  TIntV CrossNetIds;
  CrossNetIds.Add(TestCrossId1);
  CrossNetIds.Add(TestCrossId2);
  CrossNetIds.Add(TestCrossId3);
  CrossNetIds.Add(TestCrossId4);
  TVec<TTriple<TInt, TStr, TStr> > NodeAttrMapping; //Triples of (ModeId, OldAttrName, NewAttrName)
  TVec<TTriple<TInt, TStr, TStr> > EdgeAttrMapping; //Triples of (CrossId, OldAttrName, NewAttrName)
  PNEANet Net = Graph->ToNetwork(CrossNetIds, NodeAttrMapping, EdgeAttrMapping);
  PrintGStats("TNEANet", Net);
}