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EpetraExt_BlockVector.h
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41 
42 #ifndef EPETRAEXT_BLOCKVECTOR_H
43 #define EPETRAEXT_BLOCKVECTOR_H
44 
45 #include "Epetra_ConfigDefs.h"
46 #include "Epetra_Vector.h"
47 #include "Teuchos_RCP.hpp"
48 #include <vector>
49 
51 
58 namespace EpetraExt {
59 
60 class BlockVector: public Epetra_Vector {
61  public:
62 
64 
74  BlockVector( const Epetra_BlockMap & BaseMap, const Epetra_BlockMap & GlobalMap);
75 
85  BlockVector(Epetra_DataAccess CV, const Epetra_BlockMap & BaseMap,
86  const Epetra_Vector & BlockVec);
87 
89  BlockVector( const BlockVector & MV );
90 
92  virtual ~BlockVector();
94 
96  int ExtractBlockValues( Epetra_Vector & BaseVec, long long BlockRow) const;
97 
99  int LoadBlockValues(const Epetra_Vector & BaseVec, long long BlockRow);
100 
101 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
102  int BlockSumIntoGlobalValues(int NumIndices, double* Values,
104  int* Indices, int BlockRow);
106  int BlockReplaceGlobalValues(int NumIndices, double* Values,
107  int* Indices, int BlockRow);
108 #endif
109 
110 #ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
111  int BlockSumIntoGlobalValues(int NumIndices, double* Values,
113  long long* Indices, long long BlockRow);
115  int BlockReplaceGlobalValues(int NumIndices, double* Values,
116  long long* Indices, long long BlockRow);
117 #endif
118 
120  Teuchos::RCP<const Epetra_Vector> GetBlock(long long BlockRow) const;
121 
123  Teuchos::RCP<Epetra_Vector> GetBlock(long long BlockRow);
124 
126  const Epetra_BlockMap& GetBaseMap() const;
127 
128  protected:
129 
131 
132  long long Offset_;
133 
134 };
135 
136 } //namespace EpetraExt
137 
138 #endif /* EPETRAEXT_BLOCKVECTOR_H */
int BlockSumIntoGlobalValues(int NumIndices, double *Values, int *Indices, int BlockRow)
Load entries into BlockVector with base vector indices offset by BlockRow.
int BlockReplaceGlobalValues(int NumIndices, double *Values, int *Indices, int BlockRow)
Load entries into BlockVector with base vector indices offset by BlockRow.
virtual ~BlockVector()
Destructor.
int ExtractBlockValues(Epetra_Vector &BaseVec, long long BlockRow) const
Extract a single block from a Block Vector: block row is global, not a stencil value.
int LoadBlockValues(const Epetra_Vector &BaseVec, long long BlockRow)
Load a single block into a Block Vector: block row is global, not a stencil value.
BlockVector(const Epetra_BlockMap &BaseMap, const Epetra_BlockMap &GlobalMap)
BlockVector constuctor with one block row per processor.
Teuchos::RCP< const Epetra_Vector > GetBlock(long long BlockRow) const
Return Epetra_Vector for given block row.
Epetra_DataAccess
const Epetra_BlockMap & GetBaseMap() const
Return base map.