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 
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   
00066 
00077   BlockMultiVector( const Epetra_BlockMap & BaseMap, const Epetra_BlockMap & GlobalMap,
00078                     int NumBlocks, int NumVectors );
00079 
00081   BlockMultiVector( const BlockMultiVector & MV );
00082 
00084   virtual ~BlockMultiVector();
00086   
00088   Epetra_MultiVector & Block( int i = 0 ) { return *(Blocks_[i]); }
00089   const Epetra_MultiVector & Block( int i = 0 ) const { return *(Blocks_[i]); }
00090   
00091  protected:
00092 
00093   void AllocateBlocks_();
00094   void DeleteBlocks_();
00095 
00096   Epetra_BlockMap BaseMap_;
00097 
00098   std::vector<Epetra_MultiVector*> Blocks_;
00099 
00100   int NumBlocks_;
00101 
00102   std::vector< double** > Ptrs_;
00103 
00104 };
00105 
00106 } //namespace EpetraExt
00107 
00108 #endif /* EPETRAEXT_BLOCKMULTIVECTOR_H */

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