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Teko_StridedMappingStrategy.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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23// 3. Neither the name of the Corporation nor the names of the
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27// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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45*/
46
47#ifndef __Teko_StridedMappingStrategy_hpp__
48#define __Teko_StridedMappingStrategy_hpp__
49
50// stl includes
51#include <vector>
52
53// Teuchos includes
54#include "Teuchos_RCP.hpp"
55
56// Thyra includes
57#include "Thyra_MultiVectorBase.hpp"
58#include "Thyra_LinearOpBase.hpp"
59#include "Thyra_BlockedLinearOpBase.hpp"
60
61// Epetra includes
62#include "Epetra_Comm.h"
63#include "Epetra_Map.h"
64#include "Epetra_MultiVector.h"
65#include "Epetra_Import.h"
66#include "Epetra_Export.h"
67#include "Epetra_CrsMatrix.h"
68
69// Teko includes
70#include "Teko_EpetraOperatorWrapper.hpp"
71
72namespace Teko {
73namespace Epetra {
74
75class StridedMappingStrategy : public MappingStrategy {
76public:
78
79
89 StridedMappingStrategy(const std::vector<int> & vars,const Teuchos::RCP<const Epetra_Map> & map, const Epetra_Comm & comm);
91
93
94
102 virtual void copyEpetraIntoThyra(const Epetra_MultiVector& epetra_X,
103 const Teuchos::Ptr<Thyra::MultiVectorBase<double> > & thyra_X) const;
104
112 virtual void copyThyraIntoEpetra(const Teuchos::RCP<const Thyra::MultiVectorBase<double> > & thyra_Y,
113 Epetra_MultiVector& epetra_Y) const;
114
122 virtual const Teuchos::RCP<const Epetra_Map> domainMap() const
123 { return domainMap_; }
124
132 virtual const Teuchos::RCP<const Epetra_Map> rangeMap() const
133 { return rangeMap_; }
134
139 virtual std::string toString() const
140 { return std::string("StridedMappingStrategy"); }
141
143
145
146
161 void buildBlockTransferData(const std::vector<int> & vars,const Teuchos::RCP<const Epetra_Map> & baseMap,
162 const Epetra_Comm & comm);
163
175 const std::vector<std::pair<int,Teuchos::RCP<Epetra_Map> > > & getMaps() const
176 { return blockMaps_; }
177
189 const Teuchos::RCP<Thyra::BlockedLinearOpBase<double> >
190 buildBlockedThyraOp(const Teuchos::RCP<const Epetra_CrsMatrix> & mat,const std::string & label="<ANYM>") const;
191
201 void rebuildBlockedThyraOp(const RCP<const Epetra_CrsMatrix> & mat,
202 const RCP<Thyra::BlockedLinearOpBase<double> > & A) const;
203
205
206protected:
207 // member variables
208
210
211 Teuchos::RCP<const Epetra_Map> domainMap_;
212 Teuchos::RCP<const Epetra_Map> rangeMap_;
214
216
217 std::vector<std::pair<int,Teuchos::RCP<Epetra_Map> > > blockMaps_;
218 std::vector<Teuchos::RCP<Epetra_Export> > blockExport_;
219 std::vector<Teuchos::RCP<Epetra_Import> > blockImport_;
221};
222
223} // end namespace Epetra
224} // end namespace Teko
225
226#endif
virtual void copyThyraIntoEpetra(const RCP< const Thyra::MultiVectorBase< double > > &thyraX, Epetra_MultiVector &epetraX) const =0
Copy an Thyra::MultiVectorBase into a Epetra_MultiVector.