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EpetraExt_BlockVector.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_BLOCKVECTOR_H
00032 #define EPETRAEXT_BLOCKVECTOR_H
00033 
00034 #include "Epetra_Vector.h" 
00035 #include "Teuchos_RCP.hpp"
00036 #include <vector>
00037 
00039 
00046 namespace EpetraExt {
00047 
00048 class BlockVector: public Epetra_Vector {
00049  public:
00050 
00052 
00053 
00062   BlockVector( const Epetra_BlockMap & BaseMap, const Epetra_BlockMap & GlobalMap);
00063 
00073   BlockVector(Epetra_DataAccess CV, const Epetra_BlockMap & BaseMap, 
00074         const Epetra_Vector & BlockVec);
00075   
00077   BlockVector( const BlockVector & MV );
00078 
00080   virtual ~BlockVector();
00082   
00084   int ExtractBlockValues( Epetra_Vector & BaseVec, int BlockRow) const;
00085 
00087   int LoadBlockValues(const Epetra_Vector & BaseVec, int BlockRow);
00088 
00090   int BlockSumIntoGlobalValues(int NumIndices, double* Values,
00091                                int* Indices, int BlockRow);
00093   int BlockReplaceGlobalValues(int NumIndices, double* Values,
00094                                int* Indices, int BlockRow);
00095 
00097   Teuchos::RCP<const Epetra_Vector> GetBlock(int BlockRow) const;
00098 
00100   Teuchos::RCP<Epetra_Vector> GetBlock(int BlockRow);
00101 
00103   const Epetra_BlockMap& GetBaseMap() const;
00104   
00105  protected:
00106 
00107   Epetra_BlockMap BaseMap_;
00108 
00109   int Offset_;
00110 
00111 };
00112 
00113 } //namespace EpetraExt
00114 
00115 #endif /* EPETRAEXT_BLOCKVECTOR_H */
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