Teko Version of the Day
Loading...
Searching...
No Matches
Teko_BlockedMappingStrategy.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.
11//
12// Redistribution and use in source and binary forms, with or without
13// modification, are permitted provided that the following conditions are
14// met:
15//
16// 1. Redistributions of source code must retain the above copyright
17// notice, this list of conditions and the following disclaimer.
18//
19// 2. Redistributions in binary form must reproduce the above copyright
20// notice, this list of conditions and the following disclaimer in the
21// documentation and/or other materials provided with the distribution.
22//
23// 3. Neither the name of the Corporation nor the names of the
24// contributors may be used to endorse or promote products derived from
25// this software without specific prior written permission.
26//
27// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
28// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
31// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
32// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
33// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
34// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
35// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
36// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
37// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38//
39// Questions? Contact Eric C. Cyr (eccyr@sandia.gov)
40//
41// ***********************************************************************
42//
43// @HEADER
44
45*/
46
47#ifndef __Teko_BlockedMappingStrategy_hpp__
48#define __Teko_BlockedMappingStrategy_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#include "Teko_BlockingEpetra.hpp"
72
73namespace Teko {
74namespace Epetra {
75
76class BlockedMappingStrategy : public MappingStrategy {
77public:
79
80
90 BlockedMappingStrategy(const std::vector<std::vector<int> > & vars,
91 const Teuchos::RCP<const Epetra_Map> & baseMap, const Epetra_Comm & comm);
93
95
96
104 virtual void copyEpetraIntoThyra(const Epetra_MultiVector& epetra_X,
105 const Teuchos::Ptr<Thyra::MultiVectorBase<double> > & thyra_X) const;
106
114 virtual void copyThyraIntoEpetra(const Teuchos::RCP<const Thyra::MultiVectorBase<double> > & thyra_Y,
115 Epetra_MultiVector& epetra_Y) const;
116
124 virtual const Teuchos::RCP<const Epetra_Map> domainMap() const
125 { return domainMap_; }
126
134 virtual const Teuchos::RCP<const Epetra_Map> rangeMap() const
135 { return rangeMap_; }
136
141 virtual std::string toString() const
142 { return std::string("BlockedMappingStrategy"); }
143
145
147
148
163 void buildBlockTransferData(const std::vector<std::vector<int> > & vars,
164 const Teuchos::RCP<const Epetra_Map> & baseMap, const Epetra_Comm & comm);
165
177 const std::vector<Blocking::MapPair> & getMaps() const
178 { return blockMaps_; }
179
191 const Teuchos::RCP<Thyra::BlockedLinearOpBase<double> >
192 buildBlockedThyraOp(const Teuchos::RCP<const Epetra_CrsMatrix> & mat,const std::string & label="<ANYM>") const;
193
203 void rebuildBlockedThyraOp(const RCP<const Epetra_CrsMatrix> & mat,
204 const RCP<Thyra::BlockedLinearOpBase<double> > & A) const;
205
207
208protected:
209 // member variables
210
212
213 Teuchos::RCP<const Epetra_Map> domainMap_;
214 Teuchos::RCP<const Epetra_Map> rangeMap_;
216
218
219 std::vector<Blocking::MapPair> blockMaps_;
220 std::vector<Teuchos::RCP<Epetra_Import> > blockImport_;
221 std::vector<Teuchos::RCP<Epetra_Export> > blockExport_;
223};
224
225} // end namespace Epetra
226} // end namespace Teko
227
228#endif