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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_ZOLTANQUERY_H
#define EPETRAEXT_ZOLTANQUERY_H
#include "EpetraExt_ConfigDefs.h"
#include <Zoltan_QueryObject.h>
#include <vector>
class Epetra_CrsGraph;
namespace EpetraExt {
///
/** Query helper object to be used form Zoltan partitioning/ordering.
* This object allows Zoltan to query an Epetra_CrsGraph object for it's
* partitioning/ordering algorithms
*/
class ZoltanQuery : public Zoltan::QueryObject
{
const Epetra_CrsGraph & graph_;
const Epetra_CrsGraph * tgraph_;
std::vector< std::vector<int> > LBProc_;
std::vector< std::vector<int> > LBProc_Trans_;
const bool localEdgesOnly_;
public:
///
/** Constructor
*/
ZoltanQuery( const Epetra_CrsGraph & graph,
const Epetra_CrsGraph * tgraph = 0,
bool localEdgesOnly = false );
//General Functions
int Number_Objects ( void * data,
int * ierr );
void Object_List ( void * data,
int num_gid_entries,
int num_lid_entries,
ZOLTAN_ID_PTR global_ids,
ZOLTAN_ID_PTR local_ids,
int weight_dim,
float * object_weights,
int * ierr );
//Graph Based Functions
int Number_Edges ( void * data,
int num_gid_entries,
int num_lid_entries,
ZOLTAN_ID_PTR global_id,
ZOLTAN_ID_PTR local_id,
int * ierr );
void Edge_List ( void * data,
int num_gid_entries,
int num_lid_entries,
ZOLTAN_ID_PTR global_id,
ZOLTAN_ID_PTR local_id,
ZOLTAN_ID_PTR neighbor_global_ids,
int * neighbor_procs,
int weight_dim,
float * edge_weights,
int * ierr );
//HyperGraph Functions
int Number_HG_Edges ( void * data,
int * ierr );
int Number_HG_Pins ( void * data,
int * ierr );
int HG_Edge_List ( void * data,
int num_gid_entries,
int ewgt_dim,
int nedge,
int maxsize,
int * edge_sizes,
ZOLTAN_ID_PTR edge_verts,
int * edge_procs,
float * edge_weights );
};
} //namespace EpetraExt
#endif //EPETRAEXT_ZOLTANQUERY_H
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