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Teko_InterlacedEpetra.hpp
00001 /*
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00006 //      Teko: A package for block and physics based preconditioning
00007 //                  Copyright 2010 Sandia Corporation 
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00009 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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00045 */
00046 
00047 #ifndef __Teko_InterlacedEpetra_hpp__
00048 #define __Teko_InterlacedEpetra_hpp__
00049 
00050 // Teuchos includes
00051 #include "Teuchos_RCP.hpp"
00052 
00053 // include basic Epetra information
00054 #ifdef HAVE_MPI
00055    #include "Epetra_MpiComm.h"
00056 #else
00057    #include "Epetra_SerialComm.h"
00058 #endif
00059 #include "Epetra_Map.h"
00060 #include "Epetra_CrsMatrix.h"
00061 #include "Epetra_MultiVector.h"
00062 #include "Epetra_Vector.h"
00063 #include "Epetra_Export.h"
00064 #include "Epetra_Import.h"
00065 
00066 #include <vector>
00067 
00068 namespace Teko {
00069 namespace Epetra {
00070 namespace Strided {
00071 
00091 void buildSubMaps(int numGlobals,int numVars,const Epetra_Comm & comm,
00092                   std::vector<std::pair<int,Teuchos::RCP<Epetra_Map> > > & subMaps);
00093 
00113 void buildSubMaps(int numGlobals,const std::vector<int> & vars,const Epetra_Comm & comm,
00114                   std::vector<std::pair<int,Teuchos::RCP<Epetra_Map> > > & subMaps);
00115 
00137 void buildSubMaps(int numGlobals,int numMyElements,int minMyGID,const std::vector<int> & vars,const Epetra_Comm & comm,
00138                   std::vector<std::pair<int,Teuchos::RCP<Epetra_Map> > > & subMaps);
00139 
00160 void buildSubMaps(const Epetra_Map & globalMap,const std::vector<int> & vars,const Epetra_Comm & comm,
00161                   std::vector<std::pair<int,Teuchos::RCP<Epetra_Map> > > & subMaps);
00162 
00163 // build conversion import and export operators
00164 void buildExportImport(const Epetra_Map & baseMap, 
00165                        const std::vector<std::pair<int,Teuchos::RCP<Epetra_Map> > > & subMaps,
00166                        std::vector<Teuchos::RCP<Epetra_Export> > & subExport,
00167                        std::vector<Teuchos::RCP<Epetra_Import> > & subImport);
00168 
00169 // build a vector of subVectors
00170 void buildSubVectors(const std::vector<std::pair<int,Teuchos::RCP<Epetra_Map> > > & subMaps,
00171                      std::vector<Teuchos::RCP<Epetra_MultiVector> > & subVectors,int count);
00172 
00176 void associateSubVectors(const std::vector<std::pair<int,Teuchos::RCP<Epetra_Map> > > & subMaps,
00177                          std::vector<Teuchos::RCP<const Epetra_MultiVector> > & subVectors);
00178 
00179 // build a single subblock Epetra_CrsMatrix
00180 Teuchos::RCP<Epetra_CrsMatrix> buildSubBlock(int i,int j,const Epetra_CrsMatrix & A,
00181                                              const std::vector<std::pair<int,Teuchos::RCP<Epetra_Map> > > & subMaps);
00182 
00183 // Rebuild a single subblock of a matrix
00184 void rebuildSubBlock(int i,int j,const Epetra_CrsMatrix & A,
00185                      const std::vector<std::pair<int,Teuchos::RCP<Epetra_Map> > > & subMaps,Epetra_CrsMatrix & mat);
00186 
00187 // copy contents of many subvectors to a single vector
00188 void many2one(Epetra_MultiVector & one, const std::vector<Teuchos::RCP<const Epetra_MultiVector> > & many,
00189               const std::vector<Teuchos::RCP<Epetra_Export> > & subExport);
00190 
00191 // copy contents of a single vector to many subvectors
00192 void one2many(std::vector<Teuchos::RCP<Epetra_MultiVector> > & many,const Epetra_MultiVector & single,
00193               const std::vector<Teuchos::RCP<Epetra_Import> > & subImport);
00194 
00195 }
00196 } // end namespace Epetra
00197 } // end namespace Teko
00198 
00199 #endif
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