inPlace.hpp

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/*
 * MeDiPack, a Message Differentiation Package
 *
 * Copyright (C) 2015-2025 Chair for Scientific Computing (SciComp), University of Kaiserslautern-Landau
 * Homepage: http://scicomp.rptu.de
 * Contact:  Prof. Nicolas R. Gauger (codi@scicomp.uni-kl.de)
 *
 * Lead developers: Max Sagebaum (SciComp, University of Kaiserslautern-Landau)
 *
 * This file is part of MeDiPack (http://scicomp.rptu.de/software/medi).
 *
 * MeDiPack 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 3 of the License, or (at your option) any later version.
 *
 * MeDiPack 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 MeDiPack.
 * If not, see <http://www.gnu.org/licenses/>.
 *
 * Authors: Max Sagebaum, Tim Albring (SciComp, University of Kaiserslautern-Landau)
 */
 
#pragma once
 
#include <mpi.h>

namespace medi {

  struct AMPI_IN_PLACE_IMPL {
    
      AMPI_IN_PLACE_IMPL () {}
 
      template<typename T>
      operator const T*() const {
          return reinterpret_cast<const T*>(MPI_IN_PLACE);
      }
 
      template<typename T>
      operator T*() const {
          return reinterpret_cast<T*>(MPI_IN_PLACE);
      }
 
  };

  extern const AMPI_IN_PLACE_IMPL AMPI_IN_PLACE;
}