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Teko_StridedMappingStrategy.hpp
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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 
72 namespace Teko {
73 namespace Epetra {
74 
75 class StridedMappingStrategy : public MappingStrategy {
76 public:
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 
206 protected:
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.