Xpetra_MatrixView.hpp

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// WARNING: This code is experimental. Backwards compatibility should not be expected.
 
#ifndef XPETRA_MATRIXVIEW_HPP
#define XPETRA_MATRIXVIEW_HPP
 
#include <Teuchos_Describable.hpp>
#include <Tpetra_KokkosCompat_DefaultNode.hpp>
 
#include "Xpetra_ConfigDefs.hpp"
#include "Xpetra_Map.hpp"

namespace Xpetra {
 
  template <class Scalar,
            class LocalOrdinal,
            class GlobalOrdinal,
            class Node = Tpetra::KokkosClassic::DefaultNode::DefaultNodeType>
  class MatrixView { // TODO : virtual public Teuchos::Describable {
    typedef Xpetra::Map<LocalOrdinal, GlobalOrdinal, Node> Map;
 
  public:



    MatrixView(const RCP<const Map> &rowMap, const RCP<const Map> &colMap)
      : rowMap_ (rowMap), colMap_(colMap), maxEigValueEstimate_(-Teuchos::ScalarTraits<Scalar>::one())
    { }

    virtual ~MatrixView() {}




    const RCP<const Map> & GetRowMap() const { return rowMap_; }

    const RCP<const Map> & GetColMap() const { return colMap_; }

    void SetRowMap(const RCP<const Map> & rowMap) { rowMap_ = rowMap; }

    void SetColMap(const RCP<const Map> & colMap) { colMap_ = colMap; }

    void SetMaxEigenvalueEstimate(Scalar const &sigma) { maxEigValueEstimate_ = sigma; }

    Scalar GetMaxEigenvalueEstimate() const { return maxEigValueEstimate_; }
 
  private:
    RCP<const Map> rowMap_;
    RCP<const Map> colMap_;
 
    Scalar maxEigValueEstimate_;
 
  }; // class MatrixView
 
} // namespace Xpetra
 
#define XPETRA_MATRIXVIEW_SHORT
#endif //XPETRA_MATRIX_VIEW_DECL_HPP