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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,
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//@HEADER
#ifndef EpetraExt_CRSGRAPH_OVERLAP_H
#define EpetraExt_CRSGRAPH_OVERLAP_H
#include <EpetraExt_Transform.h>
class Epetra_BlockMap;
class Epetra_CrsGraph;
namespace EpetraExt {
///
/** Given an input Epetra_CrsGraph, a "overlapped" Epetra_CrsGraph is generated
* including rows associated with off processor contributions.
*/
class CrsGraph_Overlap : public StructuralSameTypeTransform<Epetra_CrsGraph> {
const int levelOverlap_;
const bool squareLocalBlock_;
Epetra_BlockMap * OverlapMap_;
public:
///
/** Destructor
*/
~CrsGraph_Overlap();
///
/** Constructor
*/
CrsGraph_Overlap( int overlap, bool squareLocalBlock = false )
: levelOverlap_(overlap),
squareLocalBlock_(squareLocalBlock),
OverlapMap_(0)
{}
///
/** Constructs "overlapped" Epetra_CrsGraph from original
*/
NewTypeRef operator()( OriginalTypeRef orig );
};
} //namespace EpetraExt
#endif //EpetraExt_CRSGRAPH_OVERLAP_H
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