node.hpp revision 1.1.1.5 
1// -*- C++ -*-
2
3// Copyright (C) 2005-2017 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the terms
7// of the GNU General Public License as published by the Free Software
8// Foundation; either version 3, or (at your option) any later
9// version.
10
11// This library is distributed in the hope that it will be useful, but
12// WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14// General Public License for more details.
15
16// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23// <http://www.gnu.org/licenses/>.
24
25// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
26
27// Permission to use, copy, modify, sell, and distribute this software
28// is hereby granted without fee, provided that the above copyright
29// notice appears in all copies, and that both that copyright notice
30// and this permission notice appear in supporting documentation. None
31// of the above authors, nor IBM Haifa Research Laboratories, make any
32// representation about the suitability of this software for any
33// purpose. It is provided "as is" without express or implied
34// warranty.
35
36/**
37 * @file left_child_next_sibling_heap_/node.hpp
38 * Contains an implementation struct for this type of heap's node.
39 */
40
41#ifndef PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_NODE_HPP
42#define PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_NODE_HPP
43
44namespace __gnu_pbds
45{
46  namespace detail
47  {
48    /// Node.
49    template<typename _Value, typename _Metadata, typename _Alloc>
50    struct left_child_next_sibling_heap_node_
51    {
52    private:
53      typedef left_child_next_sibling_heap_node_<_Value, _Metadata, _Alloc> this_type;
54
55    public:
56      typedef _Value 				value_type;
57      typedef typename _Alloc::size_type 	size_type;
58      typedef _Metadata 			metadata_type;
59
60      typedef typename _Alloc::template rebind<this_type>::other::pointer node_pointer;
61
62      value_type 	m_value;
63      metadata_type 	m_metadata;
64      node_pointer 	m_p_l_child;
65      node_pointer 	m_p_next_sibling;
66      node_pointer 	m_p_prev_or_parent;
67    };
68
69    template<typename _Value, typename _Alloc>
70    struct left_child_next_sibling_heap_node_<_Value, null_type, _Alloc>
71    {
72    private:
73      typedef left_child_next_sibling_heap_node_<_Value, null_type, _Alloc> this_type;
74
75    public:
76      typedef _Value 				value_type;
77      typedef typename _Alloc::size_type 	size_type;
78
79      typedef typename _Alloc::template rebind<this_type>::other::pointer node_pointer;
80
81      value_type 	m_value;
82      node_pointer 	m_p_l_child;
83      node_pointer 	m_p_next_sibling;
84      node_pointer 	m_p_prev_or_parent;
85    };
86
87  } // namespace detail
88} // namespace __gnu_pbds
89
90#endif // #ifndef PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_NODE_HPP
91