Amesos2_KokkosCrsMatrix_MatrixAdapter_decl.hpp

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#ifndef AMESOS2_KOKKOSCRSMATRIX_MATRIXADAPTER_DECL_HPP
#define AMESOS2_KOKKOSCRSMATRIX_MATRIXADAPTER_DECL_HPP
 
#include "Amesos2_config.h"
 
#include "Amesos2_MatrixAdapter_decl.hpp"
#include "KokkosSparse_CrsMatrix.hpp"
#include "Amesos2_Kokkos_View_Copy_Assign.hpp"
 
namespace Amesos2 {
 
  template <typename Scalar,
            typename LocalOrdinal,
            typename ExecutionSpace>
  class ConcreteMatrixAdapter<KokkosSparse::CrsMatrix<Scalar, LocalOrdinal, ExecutionSpace>> :
    public MatrixAdapter<KokkosSparse::CrsMatrix<Scalar, LocalOrdinal, ExecutionSpace>>
  {
  public:
    typedef KokkosSparse::CrsMatrix<Scalar, LocalOrdinal, ExecutionSpace> matrix_t;
 
  public:
    typedef typename MatrixTraits<matrix_t>::scalar_t                 scalar_t;
    typedef typename MatrixTraits<matrix_t>::local_ordinal_t   local_ordinal_t;
    typedef typename MatrixTraits<matrix_t>::global_ordinal_t global_ordinal_t;
    typedef typename MatrixTraits<matrix_t>::node_t                     node_t;
    typedef typename MatrixTraits<matrix_t>::global_size_t       global_size_t;
    #ifdef TPETRA_ENABLE_DEPRECATED_CODE
    typedef typename MatrixTraits<matrix_t>::sparse_ptr_type       spmtx_ptr_t;
    typedef typename MatrixTraits<matrix_t>::sparse_idx_type       spmtx_idx_t;
    typedef typename MatrixTraits<matrix_t>::sparse_values_type   spmtx_vals_t;
    #endif
    typedef no_special_impl                                       get_crs_spec;
    typedef no_special_impl                                       get_ccs_spec;
    typedef ConcreteMatrixAdapter<matrix_t>                               type;
    typedef typename MatrixTraits<matrix_t>::major_access         major_access;
 
    ConcreteMatrixAdapter(Teuchos::RCP<matrix_t> m);
 
    Teuchos::RCP<const MatrixAdapter<matrix_t> > get_impl(const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > map, EDistribution distribution = ROOTED) const;
 
    const Teuchos::RCP<const Teuchos::Comm<int> > getComm_impl() const;
    global_size_t getGlobalNumRows_impl() const;
    global_size_t getGlobalNumCols_impl() const;
    global_size_t getGlobalNNZ_impl() const;
    #ifdef TPETRA_ENABLE_DEPRECATED_CODE
    spmtx_ptr_t  getSparseRowPtr() const;
    spmtx_idx_t  getSparseColInd() const;
    spmtx_vals_t getSparseValues() const;
    #endif
 
    template<class KV>
    void getSparseRowPtr_kokkos_view(KV & view) const {
      deep_copy_or_assign_view(view, this->mat_->graph.row_map);
    }
 
    template<class KV>
    void getSparseColInd_kokkos_view(KV & view) const {
      deep_copy_or_assign_view(view, this->mat_->graph.entries);
    }
 
    template<class KV>
    void getSparseValues_kokkos_view(KV & view) const {
      deep_copy_or_assign_view(view, this->mat_->values);
    }
 
    size_t getGlobalRowNNZ_impl(global_ordinal_t row) const;
    size_t getLocalRowNNZ_impl(local_ordinal_t row) const;
    size_t getGlobalColNNZ_impl(global_ordinal_t col) const;
    size_t getLocalColNNZ_impl(local_ordinal_t col) const;
 
    global_size_t getRowIndexBase() const;
    global_size_t getColumnIndexBase() const;
 
    const Teuchos::RCP<const Tpetra::Map<local_ordinal_t,
        global_ordinal_t,
        node_t> >
    getMap_impl() const;
 
    const Teuchos::RCP<const Tpetra::Map<local_ordinal_t,
        global_ordinal_t,
        node_t> >
    getRowMap_impl() const;
 
    const Teuchos::RCP<const Tpetra::Map<local_ordinal_t,
        global_ordinal_t,
        node_t> >
    getColMap_impl() const;
 
    // implementation functions
    void getGlobalRowCopy_impl(global_ordinal_t row,
             const Teuchos::ArrayView<global_ordinal_t>& indices,
             const Teuchos::ArrayView<scalar_t>& vals,
             size_t& nnz) const;
 
    void getGlobalColCopy_impl(global_ordinal_t col,
             const Teuchos::ArrayView<global_ordinal_t>& indices,
             const Teuchos::ArrayView<scalar_t>& vals,
             size_t& nnz) const;
 
 
    template <typename KV_GO, typename KV_S>
    void getGlobalRowCopy_kokkos_view_impl(global_ordinal_t row,
                                           KV_GO & indices,
                                           KV_S & vals,
                                           size_t& nnz) const;
 
  };
 
} // end namespace Amesos2
 
#endif  // AMESOS2_KOKKOSCRSMATRIX_MATRIXADAPTER_DECL_HPP