1 // -*- C++ -*- 2 3 // Copyright (C) 2005-2022 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 #include <ext/pb_ds/detail/types_traits.hpp> 45 46 namespace __gnu_pbds 47 { 48 namespace detail 49 { 50 /// Node. 51 template<typename _Value, typename _Metadata, typename _Alloc> 52 struct left_child_next_sibling_heap_node_ 53 { 54 private: 55 typedef left_child_next_sibling_heap_node_<_Value, _Metadata, _Alloc> this_type; 56 57 public: 58 typedef _Value value_type; 59 typedef typename _Alloc::size_type size_type; 60 typedef _Metadata metadata_type; 61 62 typedef typename rebind_traits<_Alloc, this_type>::pointer node_pointer; 63 64 value_type m_value; 65 metadata_type m_metadata; 66 node_pointer m_p_l_child; 67 node_pointer m_p_next_sibling; 68 node_pointer m_p_prev_or_parent; 69 }; 70 71 template<typename _Value, typename _Alloc> 72 struct left_child_next_sibling_heap_node_<_Value, null_type, _Alloc> 73 { 74 private: 75 typedef left_child_next_sibling_heap_node_<_Value, null_type, _Alloc> this_type; 76 77 public: 78 typedef _Value value_type; 79 typedef typename _Alloc::size_type size_type; 80 81 typedef typename rebind_traits<_Alloc, this_type>::pointer node_pointer; 82 83 value_type m_value; 84 node_pointer m_p_l_child; 85 node_pointer m_p_next_sibling; 86 node_pointer m_p_prev_or_parent; 87 }; 88 89 } // namespace detail 90 } // namespace __gnu_pbds 91 92 #endif // #ifndef PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_NODE_HPP 93