Epetra_FECrsGraph.h

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//               Epetra: Linear Algebra Services Package
//                 Copyright 2011 Sandia Corporation
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#ifndef EPETRA_FECRSGRAPH_H
#define EPETRA_FECRSGRAPH_H

#include "Epetra_ConfigDefs.h"
#include "Epetra_Map.h"
#include "Epetra_CrsGraph.h"

#include <map>

class EPETRA_LIB_DLL_EXPORT Epetra_FECrsGraph : public Epetra_CrsGraph {
  friend class Epetra_FECrsMatrix;

  public:

  Epetra_FECrsGraph(Epetra_DataAccess CV,
        const Epetra_BlockMap& RowMap,
        int* NumIndicesPerRow,
        bool ignoreNonLocalEntries=false,
        bool buildNonlocalGraph=false);

  Epetra_FECrsGraph(Epetra_DataAccess CV,
        const Epetra_BlockMap& RowMap,
        int NumIndicesPerRow,
        bool ignoreNonLocalEntries=false,
        bool buildNonlocalGraph=false);

  Epetra_FECrsGraph(Epetra_DataAccess CV,
        const Epetra_BlockMap& RowMap,
        const Epetra_BlockMap& ColMap,
        int* NumIndicesPerRow,
        bool ignoreNonLocalEntries=false,
        bool buildNonlocalGraph=false);

  Epetra_FECrsGraph(Epetra_DataAccess CV,
        const Epetra_BlockMap& RowMap,
        const Epetra_BlockMap& ColMap,
        int NumIndicesPerRow,
        bool ignoreNonLocalEntries=false,
        bool buildNonlocalGraph=false);

  //  Using default copy constructor because there is no def in cpp file
  //  Epetra_FECrsGraph(const Epetra_FECrsGraph& Graph);

  virtual ~Epetra_FECrsGraph();

  //Let the compiler know we intend to overload the base-class function
  //InsertGlobalIndices rather than hide it.
  using Epetra_CrsGraph::InsertGlobalIndices;

#ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
  int InsertGlobalIndices(int numRows, const int* rows,
        int numCols, const int* cols);
#endif
#ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
  int InsertGlobalIndices(int numRows, const long long* rows,
        int numCols, const long long* cols);
#endif

  int GlobalAssemble(bool callFillComplete=true);

  int GlobalAssemble(const Epetra_Map& domain_map,
                     const Epetra_Map& range_map,
                     bool callFillComplete=true);

  bool UseNonlocalGraph () const {return buildNonlocalGraph_; };

 private:
  void DeleteMemory();
  int InsertNonlocalRow(int row, int offset);
  int InputNonlocalIndices(int row,
         int numCols,
         const int* cols);
  int InputNonlocalIndex(int rowoffset,
       int col);

  long long myFirstRow_;
  int myNumRows_;
  bool ignoreNonLocalEntries_;

#ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
  std::map<int,Epetra_CrsGraphData::EntriesInOneRow<int> > nonlocalRowData_int_;
#endif
#ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
  std::map<long long,Epetra_CrsGraphData::EntriesInOneRow<long long> > nonlocalRowData_LL_;
#endif

  template<typename int_type>
  std::map<int_type,Epetra_CrsGraphData::EntriesInOneRow<int_type> >& nonlocalRowData();

  Epetra_CrsGraph* nonlocalGraph_;
  bool buildNonlocalGraph_;

  Epetra_FECrsGraph & operator=(const Epetra_FECrsGraph& Graph);

  template<typename int_type>
  int InsertGlobalIndices(int numRows, const int_type* rows, int numCols, const int_type* cols);

  template<typename int_type>
  int GlobalAssemble(const Epetra_Map& domain_map, const Epetra_Map& range_map, bool callFillComplete);

};//class Epetra_FECrsGraph

#ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
template<> inline std::map<int,Epetra_CrsGraphData::EntriesInOneRow<int> >& Epetra_FECrsGraph::nonlocalRowData()
{
  return nonlocalRowData_int_;
}
#endif

#ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
template<> inline std::map<long long,Epetra_CrsGraphData::EntriesInOneRow<long long> >& Epetra_FECrsGraph::nonlocalRowData()
{
  return nonlocalRowData_LL_;
}
#endif

#endif