1 // -*- C++ -*- 2 3 // Copyright (C) 2005, 2006, 2009 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 rc_binomial_heap_.hpp 38 * Contains an implementation for rc_binomial_heap_. 39 */ 40 41 /* 42 * Redundant-counter binomial heap. 43 */ 44 45 #include <ext/pb_ds/detail/cond_dealtor.hpp> 46 #include <ext/pb_ds/detail/type_utils.hpp> 47 #include <ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp> 48 #include <ext/pb_ds/detail/rc_binomial_heap_/rc.hpp> 49 #include <debug/debug.h> 50 51 namespace __gnu_pbds 52 { 53 namespace detail 54 { 55 #define PB_DS_CLASS_T_DEC \ 56 template<typename Value_Type, class Cmp_Fn, class Allocator> 57 58 #define PB_DS_CLASS_C_DEC \ 59 rc_binomial_heap_<Value_Type, Cmp_Fn, Allocator> 60 61 #define PB_DS_BASE_C_DEC \ 62 binomial_heap_base_<Value_Type, Cmp_Fn, Allocator> 63 64 #define PB_DS_RC_C_DEC \ 65 rc<typename PB_DS_BASE_C_DEC::node, Allocator> 66 67 /** 68 * class description = "8y|\|0|\/|i41 h34p 74813"> 69 **/ 70 template<typename Value_Type, class Cmp_Fn, class Allocator> 71 class rc_binomial_heap_ : public PB_DS_BASE_C_DEC 72 { 73 74 private: 75 typedef PB_DS_BASE_C_DEC base_type; 76 77 typedef typename base_type::node_pointer node_pointer; 78 79 typedef typename base_type::const_node_pointer const_node_pointer; 80 81 typedef PB_DS_RC_C_DEC rc_t; 82 83 public: 84 85 typedef typename Allocator::size_type size_type; 86 87 typedef typename Allocator::difference_type difference_type; 88 89 typedef Value_Type value_type; 90 91 typedef typename base_type::pointer pointer; 92 93 typedef typename base_type::const_pointer const_pointer; 94 95 typedef typename base_type::reference reference; 96 97 typedef typename base_type::const_reference const_reference; 98 99 typedef typename base_type::const_point_iterator const_point_iterator; 100 101 typedef typename base_type::point_iterator point_iterator; 102 103 typedef typename base_type::const_iterator const_iterator; 104 105 typedef typename base_type::iterator iterator; 106 107 typedef typename base_type::cmp_fn cmp_fn; 108 109 typedef typename base_type::allocator_type allocator_type; 110 111 public: 112 113 rc_binomial_heap_(); 114 115 rc_binomial_heap_(const Cmp_Fn& r_cmp_fn); 116 117 rc_binomial_heap_(const PB_DS_CLASS_C_DEC& other); 118 119 ~rc_binomial_heap_(); 120 121 void 122 swap(PB_DS_CLASS_C_DEC& other); 123 124 inline point_iterator 125 push(const_reference r_val); 126 127 void 128 modify(point_iterator it, const_reference r_new_val); 129 130 inline void 131 pop(); 132 133 void 134 erase(point_iterator it); 135 136 inline void 137 clear(); 138 139 template<typename Pred> 140 size_type 141 erase_if(Pred pred); 142 143 template<typename Pred> 144 void 145 split(Pred pred, PB_DS_CLASS_C_DEC& other); 146 147 void 148 join(PB_DS_CLASS_C_DEC& other); 149 150 #ifdef _GLIBCXX_DEBUG 151 void 152 assert_valid() const; 153 #endif 154 155 #ifdef PB_DS_RC_BINOMIAL_HEAP_TRACE_ 156 void 157 trace() const; 158 #endif 159 160 private: 161 162 inline node_pointer 163 link_with_next_sibling(node_pointer p_nd); 164 165 void 166 make_0_exposed(); 167 168 void 169 make_binomial_heap(); 170 171 #ifdef _GLIBCXX_DEBUG 172 static const_node_pointer 173 next_2_pointer(const_node_pointer p_nd); 174 175 static const_node_pointer 176 next_after_0_pointer(const_node_pointer p_nd); 177 #endif 178 179 private: 180 rc_t m_rc; 181 }; 182 183 #include <ext/pb_ds/detail/rc_binomial_heap_/constructors_destructor_fn_imps.hpp> 184 #include <ext/pb_ds/detail/rc_binomial_heap_/debug_fn_imps.hpp> 185 #include <ext/pb_ds/detail/rc_binomial_heap_/erase_fn_imps.hpp> 186 #include <ext/pb_ds/detail/rc_binomial_heap_/trace_fn_imps.hpp> 187 #include <ext/pb_ds/detail/rc_binomial_heap_/insert_fn_imps.hpp> 188 #include <ext/pb_ds/detail/rc_binomial_heap_/split_join_fn_imps.hpp> 189 190 #undef PB_DS_CLASS_C_DEC 191 192 #undef PB_DS_CLASS_T_DEC 193 194 #undef PB_DS_BASE_C_DEC 195 196 #undef PB_DS_RC_C_DEC 197 } // namespace detail 198 } // namespace __gnu_pbds 199
