EpetraExt_BlockMultiVector.h

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#ifndef EPETRAEXT_BLOCKMULTIVECTOR_H
#define EPETRAEXT_BLOCKMULTIVECTOR_H

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


namespace EpetraExt {

class BlockMultiVector: public Epetra_MultiVector {
 public:


  BlockMultiVector( const Epetra_BlockMap & BaseMap, const Epetra_BlockMap & GlobalMap,
 int NumVectors );

  BlockMultiVector(Epetra_DataAccess CV, const Epetra_BlockMap & BaseMap, 
        const Epetra_MultiVector & BlockVec);

  BlockMultiVector( const BlockMultiVector & MV );

  virtual ~BlockMultiVector();
  
  int ExtractBlockValues( Epetra_MultiVector & BaseVec, long long BlockRow) const;

  int LoadBlockValues(const Epetra_MultiVector & BaseVec, long long BlockRow);

  Teuchos::RCP<const Epetra_MultiVector> GetBlock(long long BlockRow) const;

  Teuchos::RCP<Epetra_MultiVector> GetBlock(long long BlockRow);

  const Epetra_BlockMap& GetBaseMap() const;
  
 protected:

  Epetra_BlockMap BaseMap_;

  long long Offset_;

};

} //namespace EpetraExt

#endif /* EPETRAEXT_BLOCKMULTIVECTOR_H */