Map.h

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//-----------------------------------------------------------------------bl-
//--------------------------------------------------------------------------
//
// QUESO - a library to support the Quantification of Uncertainty
// for Estimation, Simulation and Optimization
//
// Copyright (C) 2008-2017 The PECOS Development Team
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the Version 2.1 GNU Lesser General
// Public License as published by the Free Software Foundation.
//
// 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. 51 Franklin Street, Fifth Floor,
// Boston, MA  02110-1301  USA
//
//-----------------------------------------------------------------------el-

#ifndef UQ_MAP_H
#define UQ_MAP_H

#include <queso/Defines.h>
#ifdef QUESO_HAS_TRILINOS
#include <Epetra_Map.h>
#endif

#include <queso/MpiComm.h>

namespace QUESO {

class Map
{
public:


  Map(int                   numGlobalElements,
             int                   indexBase,
             const MpiComm& comm);

  Map(const Map& src);

 ~Map();


  Map& operator= (const Map& rhs);



  int                   NumGlobalElements() const;

  int                   IndexBase        () const;//1st position in the global processor in my processors

  int                   NumMyElements    () const;

  int                   MinMyGID         () const;


  const MpiComm& Comm             () const;

#ifdef QUESO_HAS_TRILINOS
  const Epetra_Map&     epetraMap        () const;
#endif

private:
  Map();

  void                  copy             (const Map& src);

  MpiComm m_MpiComm;

#ifdef QUESO_HAS_TRILINOS
  Epetra_Map*    m_epetraMap;
#else
  int            m_numGlobalElements;

  int            m_indexBase;

  int            m_numMyElements;
#endif
};

}  // End namespace QUESO

#endif // UQ_MAP_H