Amesos2 - Direct Sparse Solver Interfaces Version of the Day
Amesos2_EpetraRowMatrix_AbstractMatrixAdapter_decl.hpp
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00044 
00055 #ifndef AMESOS2_EPETRAROWMATRIX_ABSTRACTMATRIXADAPTER_DECL_HPP
00056 #define AMESOS2_EPETRAROWMATRIX_ABSTRACTMATRIXADAPTER_DECL_HPP
00057 
00058 #include "Amesos2_config.h"
00059 
00060 #include <Teuchos_ArrayView.hpp>
00061 
00062 #include <Epetra_RowMatrix.h>
00063 
00064 #include "Amesos2_AbstractConcreteMatrixAdapter.hpp"
00065 #include "Amesos2_MatrixAdapter_decl.hpp"
00066 #include "Amesos2_MatrixTraits.hpp"
00067 #include "Amesos2_Util.hpp"
00068 
00069 namespace Amesos2 {
00070 
00071   using Teuchos::RCP;
00072   
00087   template < class DerivedMat >
00088   class AbstractConcreteMatrixAdapter< Epetra_RowMatrix, DerivedMat >
00089     : public MatrixAdapter< DerivedMat > {
00090   public:
00091     // Give our base class access to our private implementation functions
00092     friend class MatrixAdapter< DerivedMat >;
00093              
00094     typedef MatrixTraits<Epetra_RowMatrix>::scalar_t                 scalar_t;
00095     typedef MatrixTraits<Epetra_RowMatrix>::local_ordinal_t   local_ordinal_t;
00096     typedef MatrixTraits<Epetra_RowMatrix>::global_ordinal_t global_ordinal_t;
00097     typedef MatrixTraits<Epetra_RowMatrix>::node_t                     node_t;
00098 
00099     typedef DerivedMat                                               matrix_t;
00100 
00101   private:
00102     typedef MatrixAdapter< DerivedMat >                               super_t;
00103     
00104   public:
00105     typedef typename super_t::global_size_t                     global_size_t;
00106 
00107     typedef AbstractConcreteMatrixAdapter<matrix_t, DerivedMat>          type;
00108 
00109     // subclasses should override these typedef's in case of specialization
00110     typedef no_special_impl                                      get_crs_spec;
00111     typedef no_special_impl                                      get_ccs_spec;
00112     typedef MatrixTraits<Epetra_RowMatrix>::major_access         major_access;
00113 
00114     AbstractConcreteMatrixAdapter(RCP<matrix_t> m);
00115 
00116   public:     // these functions should technically be private
00117 
00118     // implementation functions
00119     void getGlobalRowCopy_impl(global_ordinal_t row,
00120              const Teuchos::ArrayView<global_ordinal_t>& indices,
00121              const Teuchos::ArrayView<scalar_t>& vals,
00122              size_t& nnz) const;
00123     
00124     void getGlobalColCopy_impl(global_ordinal_t col,
00125              const Teuchos::ArrayView<global_ordinal_t>& indices,
00126              const Teuchos::ArrayView<scalar_t>& vals,
00127              size_t& nnz) const;
00128 
00129     global_size_t getGlobalNNZ_impl() const;
00130 
00131     size_t getLocalNNZ_impl() const;
00132 
00133     global_size_t getGlobalNumRows_impl() const;
00134 
00135     global_size_t getGlobalNumCols_impl() const;
00136 
00137     size_t getMaxRowNNZ_impl() const;
00138 
00139     size_t getMaxColNNZ_impl() const;
00140 
00141     size_t getGlobalRowNNZ_impl(global_ordinal_t row) const;
00142 
00143     size_t getLocalRowNNZ_impl(local_ordinal_t row) const;
00144     
00145     size_t getGlobalColNNZ_impl(global_ordinal_t col) const;
00146 
00147     size_t getLocalColNNZ_impl(local_ordinal_t col) const;
00148 
00149     // Brunt of the work is put on the implementation for converting
00150     // their maps to a Tpetra::Map
00151     const RCP<const Tpetra::Map<local_ordinal_t,
00152         global_ordinal_t,
00153         node_t> >
00154     getRowMap_impl() const;
00155 
00156     const RCP<const Tpetra::Map<local_ordinal_t,
00157         global_ordinal_t,
00158         node_t> >
00159     getColMap_impl() const;
00160 
00161     const RCP<const Teuchos::Comm<int> > getComm_impl() const;
00162 
00163     bool isLocallyIndexed_impl() const;
00164 
00165     bool isGloballyIndexed_impl() const;
00166 
00167     // Because instantiation of the subclasses could be wildly
00168     // different (cf subclasses of Epetra_RowMatrix), this method
00169     // hands off implementation to the adapter for the subclass
00170     RCP<const super_t> get_impl(const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > map) const;
00171 
00172   };
00173 
00174 } // end namespace Amesos2
00175 
00176 #endif  // AMESOS2_EPETRAROWMATRIX_ABSTRACTMATRIXADAPTER_DECL_HPP