AbstractLinAlgPack_MatrixOpGetGMSTri.hpp

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#ifndef MATRIX_WITH_OP_GET_GMS_TRI_H
#define MATRIX_WITH_OP_GET_GMS_TRI_H

#include "AbstractLinAlgPack_Types.hpp"
#include "AbstractLinAlgPack_MatrixOp.hpp"
#include "DenseLinAlgPack_DMatrixAsTriSym.hpp"
#include "Teuchos_dyn_cast.hpp"

namespace AbstractLinAlgPack {

class MatrixOpGetGMSTri
  : virtual public AbstractLinAlgPack::MatrixOp // doxygen needs full name
{
public:

  virtual const DenseLinAlgPack::DMatrixSliceTri get_tri_gms_view() const = 0;

  virtual void free_tri_gms_view(const DenseLinAlgPack::DMatrixSliceTri* tri_gms_view) const = 0;

}; // end class MatrixOpGetGMSTri

class MatrixDenseTriEncap {
public:

  MatrixDenseTriEncap( const MatrixOpGetGMSTri&  mat_get );
  MatrixDenseTriEncap( const MatrixOp& mat );
  ~MatrixDenseTriEncap();
  const DenseLinAlgPack::DMatrixSliceTri operator()() const;

private:

  const MatrixOpGetGMSTri     &mat_get_;
  const DenseLinAlgPack::DMatrixSliceTri       tri_gms_view_;
  MatrixDenseTriEncap();                                      // Not defined and not to be called!
  MatrixDenseTriEncap(const MatrixDenseTriEncap&);               // ""
  MatrixDenseTriEncap& operator=(const MatrixDenseTriEncap&);    // ""

}; // end class MatrixDenseTriEncap

// ///////////////////////////////////////////
// Inline members

// MatrixDenseTriEncap

inline
MatrixDenseTriEncap::MatrixDenseTriEncap( const MatrixOpGetGMSTri&  mat_get )
  :mat_get_(mat_get)
  ,tri_gms_view_(mat_get_.get_tri_gms_view())
{}

inline
MatrixDenseTriEncap::MatrixDenseTriEncap( const MatrixOp& mat )
  :mat_get_(Teuchos::dyn_cast<const MatrixOpGetGMSTri>(mat))
  ,tri_gms_view_(mat_get_.get_tri_gms_view())
{}

inline
MatrixDenseTriEncap::~MatrixDenseTriEncap()
{
  mat_get_.free_tri_gms_view(&tri_gms_view_);
}

inline
const DenseLinAlgPack::DMatrixSliceTri MatrixDenseTriEncap::operator()() const
{
  return tri_gms_view_;
}

} // end namespace AbstractLinAlgPack

#endif // MATRIX_WITH_OP_GET_GMS_TRI_H