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C++ Epetra_CrsGraph::NumGlobalCols方法代码示例

本文整理汇总了C++中Epetra_CrsGraph::NumGlobalCols方法的典型用法代码示例。如果您正苦于以下问题:C++ Epetra_CrsGraph::NumGlobalCols方法的具体用法?C++ Epetra_CrsGraph::NumGlobalCols怎么用?C++ Epetra_CrsGraph::NumGlobalCols使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Epetra_CrsGraph的用法示例。


在下文中一共展示了Epetra_CrsGraph::NumGlobalCols方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: compute_hypergraph_metrics

int compute_hypergraph_metrics(const Epetra_CrsGraph &graph,
            Isorropia::Epetra::CostDescriber &costs,
            double &myGoalWeight,
            double &balance, double &cutn, double &cutl)  // output
{
  return compute_hypergraph_metrics(graph.RowMap(), graph.ColMap(),
                                     graph.NumGlobalCols(), costs,
                                     myGoalWeight,
                                     balance, cutn, cutl);
}
开发者ID:00liujj,项目名称:trilinos,代码行数:10,代码来源:ispatest_lbeval_utils.cpp

示例2: show_matrix

void show_matrix(const char *txt, const Epetra_CrsGraph &graph, const Epetra_Comm &comm)
{
  int me = comm.MyPID();

  if (comm.NumProc() > 10){
    if (me == 0){
      std::cerr << txt << std::endl;
      std::cerr << "Printed matrix format only works for 10 or fewer processes" << std::endl;
    }
    return;
  }

  const Epetra_BlockMap &rowmap = graph.RowMap();
  const Epetra_BlockMap &colmap = graph.ColMap();

  int myRows = rowmap.NumMyElements();
  int numRows = graph.NumGlobalRows();
  int numCols = graph.NumGlobalCols();
  int base = rowmap.IndexBase();

  if ((numRows > 200) || (numCols > 500)){
    if (me == 0){
      std::cerr << txt << std::endl;
      std::cerr << "show_matrix: problem is too large to display" << std::endl;
    }
    return;
  }

  int *myA = new int [numRows * numCols];
  memset(myA, 0, sizeof(int) * numRows * numCols);

  int *myIndices;

  int *myRowGIDs = rowmap.MyGlobalElements();

  for (int i=0; i< myRows; i++){
    int myRowLID = rowmap.LID(myRowGIDs[i]);

    int numEntries = graph.NumMyIndices(myRowLID);

    if (numEntries > 0){
      int rc = graph.ExtractMyRowView(myRowLID, numEntries, myIndices);
      if (rc){
        std::cerr << txt << std::endl;
        std::cerr << "extract graph error" << std::endl;
        return;
      }

      int *row = myA + (numCols * (myRowGIDs[i] - base));

      for (int j=0; j < numEntries; j++){
        int gid = colmap.GID(myIndices[j]);
        row[gid-base] = me+1;
      }
    }
  }

  printMatrix(txt, myA, NULL, NULL, numRows, numCols, comm);

  delete [] myA;
}
开发者ID:00liujj,项目名称:trilinos,代码行数:61,代码来源:ispatest_lbeval_utils.cpp


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