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Teko_BlockedMappingStrategy.hpp
00001 /*
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00003 // 
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00005 // 
00006 //      Teko: A package for block and physics based preconditioning
00007 //                  Copyright 2010 Sandia Corporation 
00008 //  
00009 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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00011 //  
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00013 // modification, are permitted provided that the following conditions are
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00016 // 1. Redistributions of source code must retain the above copyright
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00019 // 2. Redistributions in binary form must reproduce the above copyright
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00023 // 3. Neither the name of the Corporation nor the names of the
00024 // contributors may be used to endorse or promote products derived from
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00045 */
00046 
00047 #ifndef __Teko_BlockedMappingStrategy_hpp__
00048 #define __Teko_BlockedMappingStrategy_hpp__
00049 
00050 // stl includes
00051 #include <vector>
00052 
00053 // Teuchos includes
00054 #include "Teuchos_RCP.hpp"
00055 
00056 // Thyra includes
00057 #include "Thyra_MultiVectorBase.hpp"
00058 #include "Thyra_LinearOpBase.hpp"
00059 #include "Thyra_BlockedLinearOpBase.hpp"
00060 
00061 // Epetra includes
00062 #include "Epetra_Comm.h"
00063 #include "Epetra_Map.h"
00064 #include "Epetra_MultiVector.h"
00065 #include "Epetra_Import.h"
00066 #include "Epetra_Export.h"
00067 #include "Epetra_CrsMatrix.h"
00068 
00069 // Teko includes
00070 #include "Teko_EpetraOperatorWrapper.hpp"
00071 #include "Teko_BlockingEpetra.hpp"
00072 
00073 namespace Teko {
00074 namespace Epetra {
00075 
00076 class BlockedMappingStrategy : public MappingStrategy {
00077 public:
00079 
00080 
00090    BlockedMappingStrategy(const std::vector<std::vector<int> > & vars,
00091          const Teuchos::RCP<const Epetra_Map> & baseMap, const Epetra_Comm & comm);
00093 
00095 
00096 
00104    virtual void copyEpetraIntoThyra(const Epetra_MultiVector& epetra_X, 
00105                                     const Teuchos::Ptr<Thyra::MultiVectorBase<double> > & thyra_X) const;
00106 
00114    virtual void copyThyraIntoEpetra(const Teuchos::RCP<const Thyra::MultiVectorBase<double> > & thyra_Y, 
00115                                     Epetra_MultiVector& epetra_Y) const;
00116 
00124    virtual const Teuchos::RCP<const Epetra_Map> domainMap() const
00125    { return domainMap_; }
00126 
00134    virtual const Teuchos::RCP<const Epetra_Map> rangeMap() const
00135    { return rangeMap_; }
00136 
00141    virtual std::string toString() const
00142    { return std::string("BlockedMappingStrategy"); }
00143  
00145 
00147 
00148 
00163    void buildBlockTransferData(const std::vector<std::vector<int> > & vars,
00164          const Teuchos::RCP<const Epetra_Map> & baseMap, const Epetra_Comm & comm);
00165 
00177    const std::vector<Blocking::MapPair> & getMaps() const
00178    { return blockMaps_; }
00179 
00191    const Teuchos::RCP<Thyra::BlockedLinearOpBase<double> > 
00192    buildBlockedThyraOp(const Teuchos::RCP<const Epetra_CrsMatrix> & mat,const std::string & label="<ANYM>") const;
00193 
00203    void rebuildBlockedThyraOp(const RCP<const Epetra_CrsMatrix> & mat,
00204                               const RCP<Thyra::BlockedLinearOpBase<double> > & A) const;
00205 
00207 
00208 protected:
00209    // member variables
00210 
00212 
00213    Teuchos::RCP<const Epetra_Map> domainMap_; 
00214    Teuchos::RCP<const Epetra_Map> rangeMap_;
00216 
00218 
00219    std::vector<Blocking::MapPair> blockMaps_;
00220    std::vector<Teuchos::RCP<Epetra_Import> > blockImport_;
00221    std::vector<Teuchos::RCP<Epetra_Export> > blockExport_;
00223 };
00224 
00225 } // end namespace Epetra
00226 } // end namespace Teko
00227 
00228 #endif
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