63 lines
3.2 KiB
C
63 lines
3.2 KiB
C
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// Copyright (c) 2014
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// INRIA Saclay-Ile de France (France)
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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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// Author(s) : Marc Glisse
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#ifndef CGAL_STATIC_INT_H
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#define CGAL_STATIC_INT_H
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#include <CGAL/constant.h>
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namespace CGAL {
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template <class NT> struct static_zero {
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operator NT() const { return constant<NT,0>(); }
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};
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template <class NT> struct static_one {
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operator NT() const { return constant<NT,1>(); }
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};
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template <class NT> static_zero<NT> operator-(static_zero<NT>) { return static_zero<NT>(); }
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template <class NT> NT operator+(NT const& x, static_zero<NT>) { return x; }
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template <class NT> NT operator+(static_zero<NT>, NT const& x) { return x; }
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template <class NT> static_zero<NT> operator+(static_zero<NT>, static_zero<NT>) { return static_zero<NT>(); }
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template <class NT> static_one<NT> operator+(static_zero<NT>, static_one<NT>) { return static_one<NT>(); }
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template <class NT> static_one<NT> operator+(static_one<NT>, static_zero<NT>) { return static_one<NT>(); }
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template <class NT> NT operator-(NT const& x, static_zero<NT>) { return x; }
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template <class NT> NT operator-(static_zero<NT>, NT const& x) { return -x; }
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template <class NT> static_zero<NT> operator-(static_zero<NT>, static_zero<NT>) { return static_zero<NT>(); }
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template <class NT> static_zero<NT> operator-(static_one<NT>, static_one<NT>) { return static_zero<NT>(); }
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template <class NT> static_one<NT> operator-(static_one<NT>, static_zero<NT>) { return static_one<NT>(); }
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template <class NT> NT operator*(NT const& x, static_one<NT>) { return x; }
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template <class NT> NT operator*(static_one<NT>, NT const& x) { return x; }
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template <class NT> static_zero<NT> operator*(NT const&, static_zero<NT>) { return static_zero<NT>(); }
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template <class NT> static_zero<NT> operator*(static_zero<NT>, NT const&) { return static_zero<NT>(); }
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template <class NT> static_zero<NT> operator*(static_zero<NT>, static_zero<NT>) { return static_zero<NT>(); }
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template <class NT> static_one<NT> operator*(static_one<NT>, static_one<NT>) { return static_one<NT>(); }
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template <class NT> static_zero<NT> operator*(static_zero<NT>, static_one<NT>) { return static_zero<NT>(); }
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template <class NT> static_zero<NT> operator*(static_one<NT>, static_zero<NT>) { return static_zero<NT>(); }
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template <class NT> NT operator/(NT const& x, static_one<NT>) { return x; }
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template <class NT> static_zero<NT> operator/(static_zero<NT>, NT const&) { return static_zero<NT>(); }
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template <class NT> static_zero<NT> operator/(static_zero<NT>, static_one<NT>) { return static_zero<NT>(); }
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template <class NT> static_one<NT> operator/(static_one<NT>, static_one<NT>) { return static_one<NT>(); }
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}
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#endif // CGAL_STATIC_INT_H
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