Amesos2_MatrixAdapter_decl.hpp

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#ifndef AMESOS2_MATRIXADAPTER_DECL_HPP
#define AMESOS2_MATRIXADAPTER_DECL_HPP
 
#include "Amesos2_config.h"
 
#include <Teuchos_Comm.hpp>
#include <Teuchos_ArrayView.hpp>
#include <Teuchos_VerbosityLevel.hpp>
#include <Teuchos_FancyOStream.hpp>
 
#include <Tpetra_ConfigDefs.hpp>  // for global_size_t
 
// #include "Amesos2_ConcreteMatrixAdapter_decl.hpp"
#include "Amesos2_Util.hpp"
#include "Amesos2_MatrixTraits.hpp"
 
namespace Amesos2 {
 
  template <class M> class ConcreteMatrixAdapter;
  
  template < class Matrix >
  class MatrixAdapter {
 
  public:
 
    typedef typename MatrixTraits<Matrix>::scalar_t                 scalar_t;
    typedef typename MatrixTraits<Matrix>::local_ordinal_t   local_ordinal_t;
    typedef typename MatrixTraits<Matrix>::global_ordinal_t global_ordinal_t;
    typedef typename MatrixTraits<Matrix>::node_t                     node_t;
    typedef Tpetra::global_size_t                              global_size_t;
 
    typedef Matrix                                                  matrix_t;
    typedef MatrixAdapter<Matrix>                                       type;
    typedef ConcreteMatrixAdapter<Matrix>                          adapter_t;
 
    typedef typename MatrixTraits<Matrix>::local_matrix_t     local_matrix_t;
    typedef typename MatrixTraits<Matrix>::sparse_ptr_type       spmtx_ptr_t;
    typedef typename MatrixTraits<Matrix>::sparse_idx_type       spmtx_idx_t;
    typedef typename MatrixTraits<Matrix>::sparse_values_type   spmtx_vals_t;
 
    // template<typename S, typename GO, typename GS, typename Op>
    // friend class Util::get_cxs_helper<MatrixAdapter<Matrix>,S,GO,GS,Op>;
    // template<class M, typename S, typename GO, typename GS, typename Op>
    // friend class Util::get_cxs_helper;
 
    MatrixAdapter(Teuchos::RCP<Matrix> m);
 
 
    void getCrs(const Teuchos::ArrayView<scalar_t> nzval,
    const Teuchos::ArrayView<global_ordinal_t> colind,
    const Teuchos::ArrayView<global_size_t> rowptr,
    global_size_t& nnz,
    const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > rowmap,
    EStorage_Ordering ordering=ARBITRARY,
    EDistribution distribution=ROOTED) const; // This was placed as last argument to preserve API
 
    void getCrs(const Teuchos::ArrayView<scalar_t> nzval,
    const Teuchos::ArrayView<global_ordinal_t> colind,
    const Teuchos::ArrayView<global_size_t> rowptr,
    global_size_t& nnz,
    EDistribution distribution,
    EStorage_Ordering ordering=ARBITRARY) const;
 
    void getCcs(const Teuchos::ArrayView<scalar_t> nzval,
    const Teuchos::ArrayView<global_ordinal_t> rowind,
    const Teuchos::ArrayView<global_size_t> colptr,
    global_size_t& nnz,
    const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > colmap,
    EStorage_Ordering ordering=ARBITRARY,
    EDistribution distribution=ROOTED) const; // This was placed as last argument to preserve API
 
    void getCcs(const Teuchos::ArrayView<scalar_t> nzval,
    const Teuchos::ArrayView<global_ordinal_t> rowind,
    const Teuchos::ArrayView<global_size_t> colptr,
    global_size_t& nnz,
    EDistribution distribution,
    EStorage_Ordering ordering=ARBITRARY) const;
 
 
    const Teuchos::RCP<const Teuchos::Comm<int> > getComm() const
    {
      return comm_;
    }
 
    global_size_t getGlobalNumRows() const;
 
    global_size_t getGlobalNumCols() const;
 
    global_size_t getRowIndexBase() const;
 
    global_size_t getColumnIndexBase() const;
 
    global_size_t getGlobalNNZ() const;
 
    size_t getLocalNumRows() const;
 
    size_t getLocalNumCols() const;
 
    size_t getLocalNNZ() const;
 
    Teuchos::RCP<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> >
    getMap() const {
      return static_cast<const adapter_t*>(this)->getMap_impl();
    }
 
    Teuchos::RCP<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> >
    getRowMap() const {
      return row_map_;
    }
 
    Teuchos::RCP<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> >
    getColMap() const {
      return col_map_;
    }
 
    Teuchos::RCP<const type> get(const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > map, EDistribution distribution = ROOTED) const;
 
    std::string description() const;
 
    void describe(Teuchos::FancyOStream &out,
      const Teuchos::EVerbosityLevel verbLevel=Teuchos::Describable::verbLevel_default) const;
 
    spmtx_ptr_t returnRowPtr() const;
 
    spmtx_idx_t returnColInd() const;
 
    spmtx_vals_t returnValues() const;
 
  private:
 
    void help_getCrs(const Teuchos::ArrayView<scalar_t> nzval,
         const Teuchos::ArrayView<global_ordinal_t> colind,
         const Teuchos::ArrayView<global_size_t> rowptr,
         global_size_t& nnz,
         const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > rowmap,
         EDistribution distribution,
         EStorage_Ordering ordering,
         has_special_impl hsi) const;
 
    void help_getCrs(const Teuchos::ArrayView<scalar_t> nzval,
         const Teuchos::ArrayView<global_ordinal_t> colind,
         const Teuchos::ArrayView<global_size_t> rowptr,
         global_size_t& nnz,
         const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > rowmap,
         EDistribution distribution,
         EStorage_Ordering ordering,
         no_special_impl nsi) const;
 
    void do_getCrs(const Teuchos::ArrayView<scalar_t> nzval,
        const Teuchos::ArrayView<global_ordinal_t> colind,
        const Teuchos::ArrayView<global_size_t> rowptr,
        global_size_t& nnz,
        const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > rowmap,
        EDistribution distribution,
        EStorage_Ordering ordering,
        row_access ra) const;
 
    void do_getCrs(const Teuchos::ArrayView<scalar_t> nzval,
        const Teuchos::ArrayView<global_ordinal_t> colind,
        const Teuchos::ArrayView<global_size_t> rowptr,
        global_size_t& nnz,
        const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > rowmap,
        EDistribution distribution,
        EStorage_Ordering ordering,
        col_access ca) const;
 
    void help_getCcs(const Teuchos::ArrayView<scalar_t> nzval,
         const Teuchos::ArrayView<global_ordinal_t> rowind,
         const Teuchos::ArrayView<global_size_t> colptr,
         global_size_t& nnz,
         const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > colmap,
         EDistribution distribution,
         EStorage_Ordering ordering,
         has_special_impl hsi) const;
 
    void help_getCcs(const Teuchos::ArrayView<scalar_t> nzval,
         const Teuchos::ArrayView<global_ordinal_t> rowind,
         const Teuchos::ArrayView<global_size_t> colptr,
         global_size_t& nnz,
         const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > colmap,
         EDistribution distribution,
         EStorage_Ordering ordering,
         no_special_impl nsi) const;
 
    void do_getCcs(const Teuchos::ArrayView<scalar_t> nzval,
        const Teuchos::ArrayView<global_ordinal_t> rowind,
        const Teuchos::ArrayView<global_size_t> colptr,
        global_size_t& nnz,
        const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > colmap,
        EDistribution distribution,
        EStorage_Ordering ordering,
        row_access ra) const;
 
    void do_getCcs(const Teuchos::ArrayView<scalar_t> nzval,
        const Teuchos::ArrayView<global_ordinal_t> rowind,
        const Teuchos::ArrayView<global_size_t> colptr,
        global_size_t& nnz,
        const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > colmap,
        EDistribution distribution,
        EStorage_Ordering ordering,
        col_access ca) const;
 
  protected:
    // These methods will link to concrete implementations, and may
    // also be used by them
 
    void getGlobalRowCopy(global_ordinal_t row,
        const Teuchos::ArrayView<global_ordinal_t>& indices,
        const Teuchos::ArrayView<scalar_t>& vals,
        size_t& nnz) const;
 
    void getGlobalColCopy(global_ordinal_t col,
        const Teuchos::ArrayView<global_ordinal_t>& indices,
        const Teuchos::ArrayView<scalar_t>& vals,
        size_t& nnz) const;
 
    size_t getMaxRowNNZ() const;
 
    size_t getMaxColNNZ() const;
 
    size_t getGlobalRowNNZ(global_ordinal_t row) const;
 
    size_t getLocalRowNNZ(local_ordinal_t row) const;
 
    size_t getGlobalColNNZ(global_ordinal_t col) const;
 
    size_t getLocalColNNZ(local_ordinal_t col) const;
 
    bool isLocallyIndexed() const;
 
    bool isGloballyIndexed() const;
 
  protected:
    const Teuchos::RCP<const Matrix> mat_;
 
    mutable Teuchos::RCP<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > row_map_;
 
    mutable Teuchos::RCP<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > col_map_;
 
    mutable Teuchos::RCP<const Teuchos::Comm<int> > comm_;
  };        // end class MatrixAdapter
 
 
  // Factory creation method
  template <class Matrix>
  Teuchos::RCP<MatrixAdapter<Matrix> >
  createMatrixAdapter(Teuchos::RCP<Matrix> m);
    
  template <class Matrix>
  Teuchos::RCP<const MatrixAdapter<Matrix> >
  createConstMatrixAdapter(Teuchos::RCP<const Matrix> m);
 
} // end namespace Amesos2
 
#endif  // AMESOS2_MATRIXADAPTER_DECL_HPP