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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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// modification, are permitted provided that the following conditions are
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//
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// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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//@HEADER
#ifndef EpetraExt_CRSGRAPH_SUBCOPY_H
#define EpetraExt_CRSGRAPH_SUBCOPY_H
#include <EpetraExt_Transform.h>
#include <Epetra_Map.h>
class Epetra_CrsMatrix;
class Epetra_Import;
namespace EpetraExt {
//! Generates a sub-block view of a Epetra_CrsMatrix
class CrsMatrix_SubCopy : public SameTypeTransform<Epetra_CrsMatrix> {
Epetra_Map newRowMap_;
Epetra_Map newColMap_;
Epetra_Map newDomainMap_;
Epetra_Map newRangeMap_;
Epetra_Import * importer_;
public:
//! Destructor
~CrsMatrix_SubCopy();
//! Constructor
CrsMatrix_SubCopy( const Epetra_Map & newMap )
: newRowMap_(newMap),
newColMap_(newMap),
newDomainMap_(newMap),
newRangeMap_(newMap)
{}
//! Constructor
CrsMatrix_SubCopy( const Epetra_Map & newRangeAndRowMap,
const Epetra_Map & newDomainMap )
: newRowMap_(newRangeAndRowMap),
newColMap_(newDomainMap),
newDomainMap_(newDomainMap),
newRangeMap_(newRangeAndRowMap)
{}
//! Transformation Operator
NewTypeRef operator()( OriginalTypeRef orig );
///
bool fwd();
///
bool rvs();
private:
template<typename int_type>
NewTypeRef transform( OriginalTypeRef orig );
};
} //namespace EpetraExt
#endif //EpetraExt_CRSGRAPH_SUBCOPY_H
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