EpetraExt_BlockVector.h

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#ifndef EPETRAEXT_BLOCKVECTOR_H
#define EPETRAEXT_BLOCKVECTOR_H

#include "Epetra_Vector.h" 
#include "Teuchos_RCP.hpp"
#include <vector>


namespace EpetraExt {

class BlockVector: public Epetra_Vector {
 public:



  BlockVector( const Epetra_BlockMap & BaseMap, const Epetra_BlockMap & GlobalMap);

  BlockVector(Epetra_DataAccess CV, const Epetra_BlockMap & BaseMap, 
        const Epetra_Vector & BlockVec);
  
  BlockVector( const BlockVector & MV );

  virtual ~BlockVector();
  
  int ExtractBlockValues( Epetra_Vector & BaseVec, int BlockRow) const;

  int LoadBlockValues(const Epetra_Vector & BaseVec, int BlockRow);

  int BlockSumIntoGlobalValues(int NumIndices, double* Values,
                               int* Indices, int BlockRow);
  int BlockReplaceGlobalValues(int NumIndices, double* Values,
                               int* Indices, int BlockRow);

  Teuchos::RCP<const Epetra_Vector> GetBlock(int BlockRow) const;

  Teuchos::RCP<Epetra_Vector> GetBlock(int BlockRow);

  const Epetra_BlockMap& GetBaseMap() const;
  
 protected:

  Epetra_BlockMap BaseMap_;

  int Offset_;

};

} //namespace EpetraExt

#endif /* EPETRAEXT_BLOCKVECTOR_H */