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),
|
|
// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
|
|
// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
|
|
// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
|
|
// and Tel-Aviv University (Israel). All rights reserved.
|
|
//
|
|
// This file is part of CGAL (www.cgal.org); 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; version 2.1 of the License.
|
|
// See the file LICENSE.LGPL distributed with CGAL.
|
|
//
|
|
// Licensees holding a valid commercial license may use this file in
|
|
// accordance with the commercial license agreement provided with the software.
|
|
//
|
|
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
|
|
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
//
|
|
// $Source$
|
|
// $Revision$ $Date$
|
|
// $Name$
|
|
//
|
|
// Author(s) : Herve Bronnimann
|
|
|
|
#ifndef CGAL_CARTESIAN_PREDICATES_ON_DIRECTIONS_2_H
|
|
#define CGAL_CARTESIAN_PREDICATES_ON_DIRECTIONS_2_H
|
|
|
|
CGAL_BEGIN_NAMESPACE
|
|
|
|
template < class K >
|
|
inline
|
|
bool
|
|
equal_direction(const DirectionC2<K> &d1,
|
|
const DirectionC2<K> &d2)
|
|
{
|
|
return equal_directionC2(d1.dx(), d1.dy(), d2.dx(), d2.dy());
|
|
}
|
|
|
|
template < class K >
|
|
inline
|
|
Comparison_result
|
|
compare_angle_with_x_axis(const DirectionC2<K> &d1,
|
|
const DirectionC2<K> &d2)
|
|
{
|
|
return K().compare_angle_with_x_axis_2_object()(d1, d2);
|
|
}
|
|
|
|
CGAL_END_NAMESPACE
|
|
|
|
#endif // CGAL_CARTESIAN_PREDICATES_ON_DIRECTIONS_2_H
|