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EpetraExt_BlockMultiVector.h
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00001 //@HEADER
00002 /*
00003 ************************************************************************
00004 
00005               EpetraExt: Extended Linear Algebra Services Package 
00006                 Copyright (2001) Sandia Corporation
00007 
00008 Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00009 license for use of this work by or on behalf of the U.S. Government.
00010 
00011 This library is free software; you can redistribute it and/or modify
00012 it under the terms of the GNU Lesser General Public License as
00013 published by the Free Software Foundation; either version 2.1 of the
00014 License, or (at your option) any later version.
00015  
00016 This library is distributed in the hope that it will be useful, but
00017 WITHOUT ANY WARRANTY; without even the implied warranty of
00018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00019 Lesser General Public License for more details.
00020  
00021 You should have received a copy of the GNU Lesser General Public
00022 License along with this library; if not, write to the Free Software
00023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00024 USA
00025 Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00026 
00027 ************************************************************************
00028 */
00029 //@HEADER
00030 
00031 #ifndef EPETRAEXT_BLOCKMULTIVECTOR_H
00032 #define EPETRAEXT_BLOCKMULTIVECTOR_H
00033 
00034 #include "Epetra_MultiVector.h" 
00035 #include "Teuchos_RCP.hpp"
00036 #include <vector>
00037 
00039 
00046 namespace EpetraExt {
00047 
00048 class BlockMultiVector: public Epetra_MultiVector {
00049  public:
00050 
00052 
00053 
00062   BlockMultiVector( const Epetra_BlockMap & BaseMap, const Epetra_BlockMap & GlobalMap,
00063  int NumVectors );
00064 
00074   BlockMultiVector(Epetra_DataAccess CV, const Epetra_BlockMap & BaseMap, 
00075         const Epetra_MultiVector & BlockVec);
00076 
00078   BlockMultiVector( const BlockMultiVector & MV );
00079 
00081   virtual ~BlockMultiVector();
00083   
00085   int ExtractBlockValues( Epetra_MultiVector & BaseVec, int BlockRow) const;
00086 
00088   int LoadBlockValues(const Epetra_MultiVector & BaseVec, int BlockRow);
00089 
00091   Teuchos::RCP<const Epetra_MultiVector> GetBlock(int BlockRow) const;
00092 
00094   Teuchos::RCP<Epetra_MultiVector> GetBlock(int BlockRow);
00095 
00097   const Epetra_BlockMap& GetBaseMap() const;
00098   
00099  protected:
00100 
00101   Epetra_BlockMap BaseMap_;
00102 
00103   int Offset_;
00104 
00105 };
00106 
00107 } //namespace EpetraExt
00108 
00109 #endif /* EPETRAEXT_BLOCKMULTIVECTOR_H */
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