Isorropia: Partitioning, Load Balancing and more
Isorropia_EpetraPartitioner2D.hpp
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00039 
00040 #ifndef _Isorropia_EpetraPartitioner2D_hpp_
00041 #define _Isorropia_EpetraPartitioner2D_hpp_
00042 
00043 #include <Isorropia_ConfigDefs.hpp>
00044 #include <Teuchos_RCP.hpp>
00045 #include <Teuchos_ParameterList.hpp>
00046 
00047 #include <Isorropia_EpetraOperator.hpp>
00048 #include <Isorropia_Partitioner2D.hpp>
00049 
00050 #ifdef HAVE_EPETRA
00051 class Epetra_Map;
00052 class Epetra_BlockMap;
00053 class Epetra_Import;
00054 class Epetra_Vector;
00055 class Epetra_MultiVector;
00056 class Epetra_CrsGraph;
00057 class Epetra_CrsMatrix;
00058 class Epetra_RowMatrix;
00059 class Epetra_LinearProblem;
00060 
00061 namespace Isorropia {
00062 
00063 namespace Epetra {
00064 
00070 class Partitioner2D : virtual public Isorropia::Partitioner2D, virtual public Isorropia::Epetra::Operator  {
00071 public:
00095   Partitioner2D(Teuchos::RCP<const Epetra_CrsGraph> input_graph,
00096     const Teuchos::ParameterList& paramlist = Teuchos::ParameterList("EmptyParameterList"),
00097                 bool compute_partitioning_now=true);
00098 
00123   Partitioner2D(Teuchos::RCP<const Epetra_RowMatrix> input_matrix,
00124               const Teuchos::ParameterList& paramlist = Teuchos::ParameterList("EmptyParameterList"),
00125               bool compute_partitioning_now=true);
00126 
00127 
00128 
00130   virtual ~Partitioner2D();
00131 
00132 
00133   // MMW: Missing functions that are in EpetraPartioner, might need to implement
00134   //void setPartSizes(int len, int *global_part_id, float *part_size);
00135   //void clearPartSizes();
00136 
00148   void partition(bool force_repartitioning=false);
00149 
00150   virtual void compute(bool forceRecomputing=false);
00151 
00152 
00155   int numElemsInPart(int part) const;
00156 
00157 
00160   int getNZIndx(int row, int column) const;
00161 
00162 
00165   void elemsInPart(int part, int* elementList, int len) const;
00166 
00167 
00168   // Should add RCP versions of the below
00169 
00170   int createDomainAndRangeMaps(Epetra_Map *domainMap, 
00171                    Epetra_Map *rangeMap);
00172 
00173   // perhaps pass parameter lists to these?
00174   int createColumnMap(Epetra_Map* colMap); 
00175   int createRowMap(Epetra_Map* rowMap); 
00176 
00177 
00178 
00179 
00180 };//class Partitioner2D
00181 
00182 }//namespace Epetra
00183 }//namespace Isorropia
00184 
00185 #endif //HAVE_EPETRA
00186 
00187 #endif
00188 
00189