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// ***********************************************************************
//
// EpetraExt: Epetra Extended - Linear Algebra Services Package
// Copyright (2001) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//@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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