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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_CRSMATRIX_REINDEX_H
#define EpetraExt_CRSMATRIX_REINDEX_H
#include <EpetraExt_Transform.h>
class Epetra_CrsMatrix;
class Epetra_Map;
namespace EpetraExt {
///
/** Given an Epetra_CrsMatrix, a "reindexed" version is returned based on
* the new row map. The row map must be conformal to the original. The
* Matrix data will be shared by the new Matrix using the new indexing
*/
class CrsMatrix_Reindex : public ViewTransform<Epetra_CrsMatrix> {
const Epetra_Map & NewRowMap_;
Epetra_Map * NewColMap_;
public:
///
/** Destructor
*/
~CrsMatrix_Reindex();
///
/** Constructor
*/
CrsMatrix_Reindex( const Epetra_Map & new_row_map )
: NewRowMap_(new_row_map),
NewColMap_(0)
{}
///
/** Constructs "reindexed" Matrix
*/
NewTypeRef operator()( OriginalTypeRef orig );
};
} //namespace EpetraExt
#endif //EpetraExt_CRSMATRIX_REINDEX_H
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