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

本文整理汇总了C++中Epetra_CrsGraph::ExtractGlobalRowView方法的典型用法代码示例。如果您正苦于以下问题:C++ Epetra_CrsGraph::ExtractGlobalRowView方法的具体用法?C++ Epetra_CrsGraph::ExtractGlobalRowView怎么用?C++ Epetra_CrsGraph::ExtractGlobalRowView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::ExtractGlobalRowView方法的1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: check

//==============================================================================
int check(Epetra_CrsGraph& A, int NumMyRows1, long long NumGlobalRows1, int NumMyNonzeros1,
	  long long NumGlobalNonzeros1, long long* MyGlobalElements, bool verbose)
{
  (void)MyGlobalElements;
  int ierr = 0;
	int i;
	int j;
	int forierr = 0;
  int NumGlobalIndices;
  int NumMyIndices;
	int* MyViewIndices;
  int MaxNumIndices = A.MaxNumIndices();
  int* MyCopyIndices = new int[MaxNumIndices];
  long long* GlobalCopyIndices = new long long[MaxNumIndices];

  // Test query functions

  int NumMyRows = A.NumMyRows();
  if(verbose) cout << "Number of local Rows = " << NumMyRows << endl;

  EPETRA_TEST_ERR(!(NumMyRows==NumMyRows1),ierr);

  int NumMyNonzeros = A.NumMyNonzeros();
  if(verbose) cout << "Number of local Nonzero entries = " << NumMyNonzeros << endl;

  EPETRA_TEST_ERR(!(NumMyNonzeros==NumMyNonzeros1),ierr);

  long long NumGlobalRows = A.NumGlobalRows64();
  if(verbose) cout << "Number of global Rows = " << NumGlobalRows << endl;

  EPETRA_TEST_ERR(!(NumGlobalRows==NumGlobalRows1),ierr);

  long long NumGlobalNonzeros = A.NumGlobalNonzeros64();
  if(verbose) cout << "Number of global Nonzero entries = " << NumGlobalNonzeros << endl;

  EPETRA_TEST_ERR(!(NumGlobalNonzeros==NumGlobalNonzeros1),ierr);

  // GlobalRowView should be illegal (since we have local indices)

  EPETRA_TEST_ERR(!(A.ExtractGlobalRowView(A.RowMap().MaxMyGID64(), NumGlobalIndices, GlobalCopyIndices)==-2),ierr);

  // Other binary tests

  EPETRA_TEST_ERR(A.NoDiagonal(),ierr);
  EPETRA_TEST_ERR(!(A.Filled()),ierr);
  EPETRA_TEST_ERR(!(A.MyGRID(A.RowMap().MaxMyGID64())),ierr);
  EPETRA_TEST_ERR(!(A.MyGRID(A.RowMap().MinMyGID64())),ierr);
  EPETRA_TEST_ERR(A.MyGRID(1+A.RowMap().MaxMyGID64()),ierr);
  EPETRA_TEST_ERR(A.MyGRID(-1+A.RowMap().MinMyGID64()),ierr);
  EPETRA_TEST_ERR(!(A.MyLRID(0)),ierr);
  EPETRA_TEST_ERR(!(A.MyLRID(NumMyRows-1)),ierr);
  EPETRA_TEST_ERR(A.MyLRID(-1),ierr);
  EPETRA_TEST_ERR(A.MyLRID(NumMyRows),ierr);

  forierr = 0;
  for(i = 0; i < NumMyRows; i++) {
    long long Row = A.GRID64(i);
    A.ExtractGlobalRowCopy(Row, MaxNumIndices, NumGlobalIndices, GlobalCopyIndices);
    A.ExtractMyRowView(i, NumMyIndices, MyViewIndices);
    forierr += !(NumGlobalIndices==NumMyIndices);
    for(j = 1; j < NumMyIndices; j++) EPETRA_TEST_ERR(!(MyViewIndices[j-1]<MyViewIndices[j]),ierr);
    for(j = 0; j < NumGlobalIndices; j++) {
			forierr += !(GlobalCopyIndices[j]==A.GCID64(MyViewIndices[j]));
			forierr += !(A.LCID(GlobalCopyIndices[j])==MyViewIndices[j]);
    }
  }
  EPETRA_TEST_ERR(forierr,ierr);
  forierr = 0;
  for(i = 0; i < NumMyRows; i++) {
    long long Row = A.GRID64(i);
    A.ExtractGlobalRowCopy(Row, MaxNumIndices, NumGlobalIndices, GlobalCopyIndices);
    A.ExtractMyRowCopy(i, MaxNumIndices, NumMyIndices, MyCopyIndices);
    forierr += !(NumGlobalIndices==NumMyIndices);
    for(j = 1; j < NumMyIndices; j++)
			EPETRA_TEST_ERR(!(MyCopyIndices[j-1]<MyCopyIndices[j]),ierr);
    for(j = 0; j < NumGlobalIndices; j++) {
			forierr += !(GlobalCopyIndices[j]==A.GCID64(MyCopyIndices[j]));
			forierr += !(A.LCID(GlobalCopyIndices[j])==MyCopyIndices[j]);
    }

  }
  EPETRA_TEST_ERR(forierr,ierr);

  delete[] MyCopyIndices;
  delete[] GlobalCopyIndices;

  if(verbose) cout << "Rows sorted check OK" << endl;

  return(ierr);
}
开发者ID:00liujj,项目名称:trilinos,代码行数:91,代码来源:cxx_main.cpp


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