45 lines
1.1 KiB
C++
Executable File
45 lines
1.1 KiB
C++
Executable File
// Copyright (c) 2006 INRIA Sophia-Antipolis (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 3 of the License,
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// or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: LGPL-3.0+
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//
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//
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// Author(s) : Sylvain Pion
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#ifndef CGAL_CONSTANT_H
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#define CGAL_CONSTANT_H
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#include <CGAL/config.h>
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#include <CGAL/tss.h>
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namespace CGAL {
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// The function constant<T, int i>() returns a const reference to T(i).
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// TODO : is it worth documenting ?
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template < typename T, int i >
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inline
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const T&
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constant()
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{
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CGAL_STATIC_THREAD_LOCAL_VARIABLE(T, t,i);
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return t;
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}
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} //namespace CGAL
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#endif // CGAL_CONSTANT_H
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