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Teko_BlockingEpetra.hpp
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46 
47 #ifndef __Teko_BlockingEpetra_hpp__
48 #define __Teko_BlockingEpetra_hpp__
49 
50 #include "Teuchos_RCP.hpp"
51 
52 // include basic Epetra information
53 #include "Epetra_Map.h"
54 #include "Epetra_Comm.h"
55 #include "Epetra_CrsMatrix.h"
56 #include "Epetra_Vector.h"
57 #include "Epetra_MultiVector.h"
58 #include "Epetra_Export.h"
59 #include "Epetra_Import.h"
60 #include "Epetra_IntVector.h"
61 
62 #include <vector>
63 
64 namespace Teko {
65 namespace Epetra {
66 namespace Blocking {
67 
68 typedef std::pair<Teuchos::RCP<Epetra_Map>, Teuchos::RCP<Epetra_Map> > MapPair;
69 typedef std::pair<Teuchos::RCP<Epetra_Import>, Teuchos::RCP<Epetra_Export> > ImExPair;
70 
84 const MapPair buildSubMap(const std::vector<int> &gid, const Epetra_Comm &comm);
85 
95 const ImExPair buildExportImport(const Epetra_Map &baseMap, const MapPair &maps);
96 
107 void many2one(Epetra_MultiVector &one,
108  const std::vector<Teuchos::RCP<const Epetra_MultiVector> > &many,
109  const std::vector<Teuchos::RCP<Epetra_Export> > &subExport);
110 
118 void one2many(std::vector<Teuchos::RCP<Epetra_MultiVector> > &many,
119  const Epetra_MultiVector &single,
120  const std::vector<Teuchos::RCP<Epetra_Import> > &subImport);
121 
129 void buildSubVectors(const std::vector<MapPair> &maps,
130  std::vector<Teuchos::RCP<Epetra_MultiVector> > &vectors, int count);
131 
137 Teuchos::RCP<Epetra_IntVector> getSubBlockColumnGIDs(const Epetra_CrsMatrix &A,
138  const MapPair &mapPair);
139 
153 Teuchos::RCP<Epetra_CrsMatrix> buildSubBlock(int i, int j, const Epetra_CrsMatrix &A,
154  const std::vector<MapPair> &subMaps);
155 
169 void rebuildSubBlock(int i, int j, const Epetra_CrsMatrix &A, const std::vector<MapPair> &subMaps,
170  Epetra_CrsMatrix &mat);
171 
172 } // namespace Blocking
173 } // namespace Epetra
174 } // namespace Teko
175 
176 #endif