Tpetra_RowMatrix_decl.hpp

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#ifndef TPETRA_ROWMATRIX_DECL_HPP
#define TPETRA_ROWMATRIX_DECL_HPP

#include <Teuchos_Describable.hpp>
#include <Kokkos_DefaultNode.hpp>

#include "Tpetra_ConfigDefs.hpp"
#include "Tpetra_Operator.hpp"
#include "Tpetra_RowGraph.hpp"
#include "Tpetra_Packable.hpp"
#include "Tpetra_SrcDistObject.hpp"

namespace Tpetra {
  //
  // Forward declarations.  The "doxygen" bit simply tells Doxygen
  // (our automatic documentation generation system) to skip forward
  // declarations.
  //
#ifndef DOXYGEN_SHOULD_SKIP_THIS
  template<class LocalOrdinal, class GlobalOrdinal, class Node>
  class Map;

  template<class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
  class Vector;
#endif // DOXYGEN_SHOULD_SKIP_THIS

  template<class Scalar =
             Operator<>::scalar_type,
           class LocalOrdinal =
             typename Operator<Scalar>::local_ordinal_type,
           class GlobalOrdinal =
             typename Operator<Scalar, LocalOrdinal>::global_ordinal_type,
           class Node =
             typename Operator<Scalar, LocalOrdinal, GlobalOrdinal>::node_type>
  class RowMatrix :
    virtual public Operator<Scalar, LocalOrdinal, GlobalOrdinal, Node>,
    virtual public SrcDistObject,
    public Packable<char, LocalOrdinal> {
  public:


    typedef Scalar        scalar_type;
    typedef LocalOrdinal  local_ordinal_type;
    typedef GlobalOrdinal global_ordinal_type;
    typedef Node          node_type;




    virtual ~RowMatrix();




    virtual Teuchos::RCP<const Teuchos::Comm<int> > getComm() const = 0;

    virtual Teuchos::RCP<Node> getNode() const = 0;

    virtual Teuchos::RCP<const Map<LocalOrdinal,GlobalOrdinal,Node> > getRowMap() const = 0;

    virtual Teuchos::RCP<const Map<LocalOrdinal,GlobalOrdinal,Node> > getColMap() const = 0;

    virtual Teuchos::RCP<const RowGraph<LocalOrdinal,GlobalOrdinal,Node> > getGraph() const = 0;

    virtual global_size_t getGlobalNumRows() const = 0;

    virtual global_size_t getGlobalNumCols() const = 0;

    virtual size_t getNodeNumRows() const = 0;

    virtual size_t getNodeNumCols() const = 0;

    virtual GlobalOrdinal getIndexBase() const = 0;

    virtual global_size_t getGlobalNumEntries() const = 0;

    virtual size_t getNodeNumEntries() const = 0;

    virtual size_t getNumEntriesInGlobalRow (GlobalOrdinal globalRow) const = 0;

    virtual size_t getNumEntriesInLocalRow(LocalOrdinal localRow) const = 0;

    virtual global_size_t getGlobalNumDiags() const = 0;

    virtual size_t getNodeNumDiags() const = 0;

    virtual size_t getGlobalMaxNumRowEntries() const = 0;

    virtual size_t getNodeMaxNumRowEntries() const = 0;

    virtual bool hasColMap() const = 0;

    virtual bool isLowerTriangular() const = 0;

    virtual bool isUpperTriangular() const = 0;

    virtual bool isLocallyIndexed() const = 0;

    virtual bool isGloballyIndexed() const = 0;

    virtual bool isFillComplete() const = 0;

    virtual bool supportsRowViews() const = 0;




    virtual void
    getGlobalRowCopy (GlobalOrdinal GlobalRow,
                      const Teuchos::ArrayView<GlobalOrdinal> &Indices,
                      const Teuchos::ArrayView<Scalar> &Values,
                      size_t &NumEntries) const = 0;

    virtual void
    getLocalRowCopy (LocalOrdinal LocalRow,
                     const Teuchos::ArrayView<LocalOrdinal> &Indices,
                     const Teuchos::ArrayView<Scalar> &Values,
                     size_t &NumEntries) const = 0;

    virtual void
    getGlobalRowView (GlobalOrdinal GlobalRow,
                      ArrayView<const GlobalOrdinal> &indices,
                      ArrayView<const Scalar> &values) const = 0;

    virtual void
    getLocalRowView (LocalOrdinal LocalRow,
                     ArrayView<const LocalOrdinal> &indices,
                     ArrayView<const Scalar> &values) const = 0;

    virtual void getLocalDiagCopy (Vector<Scalar,LocalOrdinal,GlobalOrdinal,Node> &diag) const = 0;




    virtual void leftScale (const Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node>& x) = 0;

    virtual void rightScale (const Vector<Scalar, LocalOrdinal, GlobalOrdinal, Node>& x) = 0;

    virtual typename ScalarTraits<Scalar>::magnitudeType getFrobeniusNorm() const = 0;

    virtual Teuchos::RCP<RowMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node> >
    add (const Scalar& alpha,
         const RowMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>& A,
         const Scalar& beta,
         const Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> >& domainMap=Teuchos::null,
         const Teuchos::RCP<const Map<LocalOrdinal, GlobalOrdinal, Node> >& rangeMap=Teuchos::null,
         const Teuchos::RCP<Teuchos::ParameterList>& params=Teuchos::null) const;



    virtual void
    pack (const Teuchos::ArrayView<const LocalOrdinal>& exportLIDs,
          Teuchos::Array<char>& exports,
          const Teuchos::ArrayView<size_t>& numPacketsPerLID,
          size_t& constantNumPackets,
          Distributor& distor) const;
  }; // class RowMatrix
} // namespace Tpetra

#endif // TPETRA_ROWMATRIX_DECL_HPP