timpi_macros.h

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// The TIMPI Message-Passing Parallelism Library.
// Copyright (C) 2002-2025 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
 
// 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
 
 
 
#ifndef TIMPI_MACROS_H
#define TIMPI_MACROS_H
 
 
// Local includes
#include "timpi/timpi_config.h"
 
#ifdef TIMPI_HAVE_CXX20
#  define timpi_pure [[nodiscard("Pure-function return values should not be discarded")]]
#elif defined(TIMPI_HAVE_CXX17)
#  define timpi_pure [[nodiscard]]
#else
#  define timpi_pure
#endif
 
#endif // TIMPI_MACROS_H