gmpMetisPartitioning.h

Go to the documentation of this file.

/************************************************************************
**
** Copyright (C) 2014 by Carlos Augusto Teixeira Mendes
** All rights reserved.
**
** This file is part of the "GeMA" software. It's use should respect
** the terms in the license agreement that can be found together
** with this source code.
** It is provided AS IS, with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE.
**
************************************************************************/
 
#ifndef _GEMA_PLUGIN_GEMA_PCR_METISPARTITIONING_H_
#define _GEMA_PLUGIN_GEMA_PCR_METISPARTITIONING_H_
 
#include "gmpGemaPCR.h"
 
/* Important: GEMA_PCR_USE_METIS is defined if the project was compiled with
              Metis support (cmake must be present at the user environment). It
              will be absent if not available. In that case, this class basically
              does nothing and returns false for both checkOptions() and
              partition() calls.
*/
 
#ifdef GEMA_PCR_USE_METIS
#include <metis.h>
 
class GmpMetisPartitioning : public GmpPartitionMethod
{
public:
  GmpMetisPartitioning(const QVariantMap& options);
 
  virtual bool checkOptions   (const GmLogCategory& logger);
  virtual void printParameters(const GmLogCategory& logger) const;
 
  virtual bool partition(GmCellMesh* mesh, int numPartitions, QVector<int>& cellPartition,
                         const GmLogCategory& logger) const;
private:
  idx_t _metisOptions[METIS_NOPTIONS];  
  int   _ncommon;                       
  int   _objVal;                        
  QVector<float> _partWeights;          
};
 
#else 
 
class GmpMetisPartitioning : public GmpPartitionMethod
{
public:
  // Inherit base class constructor
  using GmpPartitionMethod::GmpPartitionMethod;
 
  virtual bool checkOptions(const GmLogCategory& logger)
  {
    gmErrorMsg(logger, QObject::tr("GemaPCR was not compiled with Metis support"));
    return false;
  }
 
  virtual void printParameters(const GmLogCategory& logger) const
  {
    GmLogIdenter ident;
    gmInfoMsg(logger, QObject::tr("Partition  method  : Metis"));
  }
 
  virtual bool partition(GmCellMesh* mesh, int numPartitions, QVector<int>& cellPartition,
                         const GmLogCategory& logger) const
  {
    Q_UNUSED(mesh); Q_UNUSED(numPartitions); Q_UNUSED(cellPartition);
    gmErrorMsg(logger, QObject::tr("GemaPCR was not compiled with Metis support"));
    return false;
  }
};
#endif
 
 
#endif