mirror of https://github.com/CGAL/cgal
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
// Copyright (c) 2000 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). 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; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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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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//
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//
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// Author(s) : Herve Bronnimann
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#ifndef CGAL_CARTESIAN_PREDICATES_ON_DIRECTIONS_2_H
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#define CGAL_CARTESIAN_PREDICATES_ON_DIRECTIONS_2_H
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CGAL_BEGIN_NAMESPACE
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template < class K >
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inline
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typename K::Boolean
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equal_direction(const DirectionC2<K> &d1,
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const DirectionC2<K> &d2)
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{
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return equal_directionC2(d1.dx(), d1.dy(), d2.dx(), d2.dy());
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}
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template < class K >
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inline
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typename K::Comparison_result
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compare_angle_with_x_axis(const DirectionC2<K> &d1,
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const DirectionC2<K> &d2)
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{
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return K().compare_angle_with_x_axis_2_object()(d1, d2);
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}
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CGAL_END_NAMESPACE
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#endif // CGAL_CARTESIAN_PREDICATES_ON_DIRECTIONS_2_H
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