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fei_Graph_Impl.hpp
00001 /*
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00004 //             FEI: Finite Element Interface to Linear Solvers
00005 //                  Copyright (2005) Sandia Corporation.
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00011 // modification, are permitted provided that the following conditions are
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00014 // 1. Redistributions of source code must retain the above copyright
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00016 //
00017 // 2. Redistributions in binary form must reproduce the above copyright
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00041 */
00042 
00043 
00044 #ifndef _fei_Graph_Impl_hpp_
00045 #define _fei_Graph_Impl_hpp_
00046 
00047 #include <fei_iosfwd.hpp>
00048 #include <fei_SharedPtr.hpp>
00049 #include <fei_Graph.hpp>
00050 #include <fei_mpi.h>
00051 #include <fei_EqnComm.hpp>
00052 
00053 namespace fei {
00054 
00056   class Graph_Impl : public fei::Graph {
00057   public:
00059     Graph_Impl(MPI_Comm comm, int firstLocalRow, int lastLocalRow);
00060 
00062     virtual ~Graph_Impl();
00063 
00065     int addIndices(int row,
00066        int len,
00067        const int* indices);
00068 
00072     int addSymmetricIndices(int numIndices,
00073           int* indices,
00074           bool diagonal=false);
00075 
00077     int gatherFromOverlap();
00078 
00081     table_type* getLocalGraph()
00082       {
00083   return( localGraphData_ );
00084       }
00085 
00087     std::vector<remote_table_type*>& getRemoteGraph()
00088       {
00089   return( remoteGraphData_);
00090       }
00091 
00093     int writeLocalGraph(FEI_OSTREAM& os,
00094       bool debug=false,
00095       bool prefixLinesWithPoundSign=true);
00096 
00098     int writeRemoteGraph(FEI_OSTREAM& os);
00099 
00101     int getNumLocalRows();
00102 
00105     int getNumLocalNonzeros() const;
00106 
00108     int getLocalRowLength(int row);
00109 
00110   private:
00111     void addDiagonals(int numIndices, int* indices);
00112 
00113     table_type* localGraphData_;
00114     std::vector<remote_table_type*> remoteGraphData_;
00115     fei::SharedPtr<fei::EqnComm> eqnComm_;
00116 
00117     int firstLocalRow_, lastLocalRow_;
00118     int localProc_, numProcs_;
00119     MPI_Comm comm_;
00120   };//class Graph_Impl
00121 
00122 } //namespace fei
00123 
00124 #endif // _fei_Graph_Impl_hpp_
00125 
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