libstdc++-v3/include/ext/pb_ds/detail/left_child_next_sibling_heap_/node.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2014 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
  44 namespace __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