File: Ray_2.h

package info (click to toggle)
cgal 6.1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 144,912 kB
  • sloc: cpp: 810,858; ansic: 208,477; sh: 493; python: 411; makefile: 286; javascript: 174
file content (68 lines) | stat: -rw-r--r-- 1,473 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
// 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/v6.1/Cartesian_kernel/include/CGAL/Cartesian/Ray_2.h $
// $Id: include/CGAL/Cartesian/Ray_2.h b26b07a1242 $
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s)     : Andreas Fabri, Herve Bronnimann

#ifndef CGAL_CARTESIAN_RAY_2_H
#define CGAL_CARTESIAN_RAY_2_H

#include <CGAL/array.h>

namespace CGAL {

template < class R_ >
class RayC2
{
  typedef typename R_::FT                   FT;
  typedef typename R_::Point_2              Point_2;
  typedef typename R_::Ray_2                Ray_2;

  typedef std::array<Point_2, 2>          Rep;
  typedef typename R_::template Handle<Rep>::type  Base;

  Base base;

public:
  typedef R_                                     R;

  RayC2()
  {}

  RayC2(const Point_2 &sp, const Point_2 &secondp)
    : base{sp, secondp}
  {}


  const Point_2&
  source() const
  {
    return get_pointee_or_identity(base)[0];
  }

  const Point_2 &
  second_point() const
  {
    return get_pointee_or_identity(base)[1];
  }

  typename R_::Boolean   is_degenerate() const
  {
    return source() == second_point();
  }

};

} //namespace CGAL

#endif // CGAL_CARTESIAN_RAY_2_H