50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
|
// Copyright (c) 2000
|
||
|
// Utrecht University (The Netherlands),
|
||
|
// ETH Zurich (Switzerland),
|
||
|
// INRIA Sophia-Antipolis (France),
|
||
|
// Max-Planck-Institute Saarbruecken (Germany),
|
||
|
// and Tel-Aviv University (Israel). All rights reserved.
|
||
|
//
|
||
|
// This file is part of CGAL (www.cgal.org)
|
||
|
//
|
||
|
// $URL: https://github.com/CGAL/cgal/blob/v5.1/Cartesian_kernel/include/CGAL/Cartesian/line_constructions_2.h $
|
||
|
// $Id: line_constructions_2.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
|
||
|
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
|
||
|
//
|
||
|
//
|
||
|
// Author(s) : Herve Bronnimann
|
||
|
|
||
|
#ifndef CGAL_CARTESIAN_LINE_CONSTRUCTIONS_2_H
|
||
|
#define CGAL_CARTESIAN_LINE_CONSTRUCTIONS_2_H
|
||
|
|
||
|
#include <CGAL/Cartesian/Point_2.h>
|
||
|
#include <CGAL/Cartesian/Line_2.h>
|
||
|
|
||
|
#include <CGAL/Cartesian/Direction_2.h>
|
||
|
|
||
|
namespace CGAL {
|
||
|
|
||
|
template < class K >
|
||
|
inline
|
||
|
LineC2<K>
|
||
|
line_from_point_direction(const PointC2<K> &p,
|
||
|
const DirectionC2<K> &d)
|
||
|
{
|
||
|
return K().construct_line_2_object()(p, d);
|
||
|
}
|
||
|
|
||
|
template < class K >
|
||
|
inline
|
||
|
LineC2<K>
|
||
|
perpendicular_through_point(const LineC2<K> &l,
|
||
|
const PointC2<K> &p)
|
||
|
{
|
||
|
typename K::FT a, b, c;
|
||
|
perpendicular_through_pointC2(l.a(), l.b(), p.x(), p.y(), a, b, c);
|
||
|
return LineC2<K>(a, b, c);
|
||
|
}
|
||
|
|
||
|
} //namespace CGAL
|
||
|
|
||
|
#endif // CGAL_CARTESIAN_LINE_CONSTRUCTIONS_2_H
|