fei_Graph_Impl.hpp

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/*--------------------------------------------------------------------*/
/*    Copyright 2005 Sandia Corporation.                              */
/*    Under the terms of Contract DE-AC04-94AL85000, there is a       */
/*    non-exclusive license for use of this work by or on behalf      */
/*    of the U.S. Government.  Export of this program may require     */
/*    a license from the United States Government.                    */
/*--------------------------------------------------------------------*/
 
#ifndef _fei_Graph_Impl_hpp_
#define _fei_Graph_Impl_hpp_
 
#include <fei_iosfwd.hpp>
#include <fei_SharedPtr.hpp>
#include <fei_Graph.hpp>
#include <fei_mpi.h>
#include <fei_EqnComm.hpp>
 
namespace fei {
 
  class Graph_Impl : public fei::Graph {
  public:
    Graph_Impl(MPI_Comm comm, int firstLocalRow, int lastLocalRow);
 
    virtual ~Graph_Impl();
 
    int addIndices(int row,
       int len,
       const int* indices);
 
    int addSymmetricIndices(int numIndices,
          int* indices,
          bool diagonal=false);
 
    int gatherFromOverlap();
 
    table_type* getLocalGraph()
      {
  return( localGraphData_ );
      }
 
    std::vector<remote_table_type*>& getRemoteGraph()
      {
  return( remoteGraphData_);
      }
 
    int writeLocalGraph(FEI_OSTREAM& os,
      bool debug=false,
      bool prefixLinesWithPoundSign=true);
 
    int writeRemoteGraph(FEI_OSTREAM& os);
 
    int getNumLocalRows();
 
    int getNumLocalNonzeros() const;
 
    int getLocalRowLength(int row);
 
  private:
    void addDiagonals(int numIndices, int* indices);
 
    table_type* localGraphData_;
    std::vector<remote_table_type*> remoteGraphData_;
    fei::SharedPtr<fei::EqnComm> eqnComm_;
 
    int firstLocalRow_, lastLocalRow_;
    int localProc_, numProcs_;
    MPI_Comm comm_;
  };//class Graph_Impl
 
} //namespace fei
 
#endif // _fei_Graph_Impl_hpp_