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Teko_BlockingEpetra.hpp
1/*
2// @HEADER
3//
4// ***********************************************************************
5//
6// Teko: A package for block and physics based preconditioning
7// Copyright 2010 Sandia Corporation
8//
9// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
10// the U.S. Government retains certain rights in this software.
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13// modification, are permitted provided that the following conditions are
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16// 1. Redistributions of source code must retain the above copyright
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19// 2. Redistributions in binary form must reproduce the above copyright
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44
45*/
46
47#ifndef __Teko_BlockingEpetra_hpp__
48#define __Teko_BlockingEpetra_hpp__
49
50#include "Teuchos_RCP.hpp"
51
52// include basic Epetra information
53#include "Epetra_Map.h"
54#include "Epetra_Comm.h"
55#include "Epetra_CrsMatrix.h"
56#include "Epetra_Vector.h"
57#include "Epetra_MultiVector.h"
58#include "Epetra_Export.h"
59#include "Epetra_Import.h"
60#include "Epetra_IntVector.h"
61
62#include <vector>
63
64namespace Teko {
65namespace Epetra {
66namespace Blocking {
67
68typedef std::pair<Teuchos::RCP<Epetra_Map>,Teuchos::RCP<Epetra_Map> > MapPair;
69typedef std::pair<Teuchos::RCP<Epetra_Import>,Teuchos::RCP<Epetra_Export> > ImExPair;
70
84const MapPair buildSubMap(const std::vector< int > & gid, const Epetra_Comm &comm);
85
95const ImExPair buildExportImport(const Epetra_Map & baseMap,const MapPair & maps);
96
106void many2one(Epetra_MultiVector & one, const std::vector<Teuchos::RCP<const Epetra_MultiVector> > & many,
107 const std::vector<Teuchos::RCP<Epetra_Export> > & subExport);
108
115void one2many(std::vector<Teuchos::RCP<Epetra_MultiVector> > & many, const Epetra_MultiVector & single,
116 const std::vector<Teuchos::RCP<Epetra_Import> > & subImport);
117
125void buildSubVectors(const std::vector<MapPair> & maps,
126 std::vector<Teuchos::RCP<Epetra_MultiVector> > & vectors,int count);
127
133Teuchos::RCP<Epetra_IntVector> getSubBlockColumnGIDs(const Epetra_CrsMatrix & A,const MapPair & mapPair);
134
148Teuchos::RCP<Epetra_CrsMatrix> buildSubBlock(int i,int j,const Epetra_CrsMatrix & A,const std::vector<MapPair> & subMaps);
149
163void rebuildSubBlock(int i,int j,const Epetra_CrsMatrix & A,const std::vector<MapPair> & subMaps,Epetra_CrsMatrix & mat);
164
165} // end Blocking
166} // end Epetra
167} // end Teko
168
169#endif