/usr/include/trilinos/EpetraExt_BlockVector.h is in libtrilinos-epetraext-dev 12.4.2-2.
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// ***********************************************************************
//
// EpetraExt: Epetra Extended - Linear Algebra Services Package
// Copyright (2011) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
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//
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// this software without specific prior written permission.
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//@HEADER
#ifndef EPETRAEXT_BLOCKVECTOR_H
#define EPETRAEXT_BLOCKVECTOR_H
#include "Epetra_ConfigDefs.h"
#include "Epetra_Vector.h"
#include "Teuchos_RCP.hpp"
#include <vector>
//! EpetraExt::BlockVector: A class for constructing a distributed block vector
/*! The EpetraExt::BlockVector allows construction of a block vector made up of Epetra_Vector blocks as well as access to the full systems as a Epetra_Vector. It derives from and extends the Epetra_Vector class
<b>Constructing EpetraExt::BlockVector objects</b>
*/
namespace EpetraExt {
class BlockVector: public Epetra_Vector {
public:
//@{ \name Constructors/Destructor.
//! BlockVector constuctor with one block row per processor.
/*! Creates a BlockVector object and allocates storage.
\param In
BaseMap - Map determining local structure, can be distrib. over subset of proc.'s
\param In
GlobalMap - Full map describing the overall global structure, generally generated by the construction of a BlockCrsMatrix object
\param In
NumBlocks - Number of local blocks
*/
BlockVector( const Epetra_BlockMap & BaseMap, const Epetra_BlockMap & GlobalMap);
/*! Creates a BlockVector object from an existing Epetra_Vector.
\param In
Epetra_DataAccess - Enumerated type set to Copy or View.
\param In
BaseMap - Map determining local structure, can be distrib. over subset of proc.'s
\param In
BlockVec - Source Epetra vector whose map must be the full map for the block vector
*/
BlockVector(Epetra_DataAccess CV, const Epetra_BlockMap & BaseMap,
const Epetra_Vector & BlockVec);
//! Copy constructor.
BlockVector( const BlockVector & MV );
//! Destructor
virtual ~BlockVector();
//@}
//! Extract a single block from a Block Vector: block row is global, not a stencil value
int ExtractBlockValues( Epetra_Vector & BaseVec, long long BlockRow) const;
//! Load a single block into a Block Vector: block row is global, not a stencil value
int LoadBlockValues(const Epetra_Vector & BaseVec, long long BlockRow);
#ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
//! Load entries into BlockVector with base vector indices offset by BlockRow
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);
#endif
#ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
//! Load entries into BlockVector with base vector indices offset by BlockRow
int BlockSumIntoGlobalValues(int NumIndices, double* Values,
long long* Indices, long long BlockRow);
//! Load entries into BlockVector with base vector indices offset by BlockRow
int BlockReplaceGlobalValues(int NumIndices, double* Values,
long long* Indices, long long BlockRow);
#endif
//! Return Epetra_Vector for given block row
Teuchos::RCP<const Epetra_Vector> GetBlock(long long BlockRow) const;
//! Return Epetra_Vector for given block row
Teuchos::RCP<Epetra_Vector> GetBlock(long long BlockRow);
//! Return base map
const Epetra_BlockMap& GetBaseMap() const;
protected:
Epetra_BlockMap BaseMap_;
long long Offset_;
};
} //namespace EpetraExt
#endif /* EPETRAEXT_BLOCKVECTOR_H */
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