1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006 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 2, 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// You should have received a copy of the GNU General Public License 17// along with this library; see the file COPYING. If not, write to 18// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, 19// MA 02111-1307, USA. 20 21// As a special exception, you may use this file as part of a free 22// software library without restriction. Specifically, if other files 23// instantiate templates or use macros or inline functions from this 24// file, or you compile this file and link it with other files to 25// produce an executable, this file does not by itself cause the 26// resulting executable to be covered by the GNU General Public 27// License. This exception does not however invalidate any other 28// reasons why the executable file might be covered by the GNU General 29// Public License. 30 31// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 32 33// Permission to use, copy, modify, sell, and distribute this software 34// is hereby granted without fee, provided that the above copyright 35// notice appears in all copies, and that both that copyright notice 36// and this permission notice appear in supporting documentation. None 37// of the above authors, nor IBM Haifa Research Laboratories, make any 38// representation about the suitability of this software for any 39// purpose. It is provided "as is" without express or implied 40// warranty. 41 42/** 43 * @file rc_binomial_heap_.hpp 44 * Contains an implementation for rc_binomial_heap_. 45 */ 46 47/* 48 * Redundant-counter binomial heap. 49 */ 50 51#include <ext/pb_ds/detail/cond_dealtor.hpp> 52#include <ext/pb_ds/detail/type_utils.hpp> 53#include <ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp> 54#include <ext/pb_ds/detail/rc_binomial_heap_/rc.hpp> 55#include <debug/debug.h> 56 57namespace pb_ds 58{ 59 namespace detail 60 { 61#define PB_DS_CLASS_T_DEC \ 62 template<typename Value_Type, class Cmp_Fn, class Allocator> 63 64#define PB_DS_CLASS_C_DEC \ 65 rc_binomial_heap_<Value_Type, Cmp_Fn, Allocator> 66 67#define PB_DS_BASE_C_DEC \ 68 binomial_heap_base_<Value_Type, Cmp_Fn, Allocator> 69 70#define PB_DS_RC_C_DEC \ 71 rc<typename PB_DS_BASE_C_DEC::node, Allocator> 72 73 /** 74 * class description = "8y|\|0|\/|i41 h34p 74813"> 75 **/ 76 template<typename Value_Type, class Cmp_Fn, class Allocator> 77 class rc_binomial_heap_ : public PB_DS_BASE_C_DEC 78 { 79 80 private: 81 typedef PB_DS_BASE_C_DEC base_type; 82 83 typedef typename base_type::node_pointer node_pointer; 84 85 typedef typename base_type::const_node_pointer const_node_pointer; 86 87 typedef PB_DS_RC_C_DEC rc_t; 88 89 public: 90 91 typedef typename Allocator::size_type size_type; 92 93 typedef typename Allocator::difference_type difference_type; 94 95 typedef Value_Type value_type; 96 97 typedef typename base_type::pointer pointer; 98 99 typedef typename base_type::const_pointer const_pointer; 100 101 typedef typename base_type::reference reference; 102 103 typedef typename base_type::const_reference const_reference; 104 105 typedef typename base_type::const_point_iterator const_point_iterator; 106 107 typedef typename base_type::point_iterator point_iterator; 108 109 typedef typename base_type::const_iterator const_iterator; 110 111 typedef typename base_type::iterator iterator; 112 113 typedef typename base_type::cmp_fn cmp_fn; 114 115 typedef typename base_type::allocator allocator; 116 117 public: 118 119 rc_binomial_heap_(); 120 121 rc_binomial_heap_(const Cmp_Fn& r_cmp_fn); 122 123 rc_binomial_heap_(const PB_DS_CLASS_C_DEC& other); 124 125 ~rc_binomial_heap_(); 126 127 void 128 swap(PB_DS_CLASS_C_DEC& other); 129 130 inline point_iterator 131 push(const_reference r_val); 132 133 void 134 modify(point_iterator it, const_reference r_new_val); 135 136 inline void 137 pop(); 138 139 void 140 erase(point_iterator it); 141 142 inline void 143 clear(); 144 145 template<typename Pred> 146 size_type 147 erase_if(Pred pred); 148 149 template<typename Pred> 150 void 151 split(Pred pred, PB_DS_CLASS_C_DEC& other); 152 153 void 154 join(PB_DS_CLASS_C_DEC& other); 155 156#ifdef _GLIBCXX_DEBUG 157 void 158 assert_valid() const; 159#endif 160 161#ifdef PB_DS_RC_BINOMIAL_HEAP_TRACE_ 162 void 163 trace() const; 164#endif 165 166 private: 167 168 inline node_pointer 169 link_with_next_sibling(node_pointer p_nd); 170 171 void 172 make_0_exposed(); 173 174 void 175 make_binomial_heap(); 176 177#ifdef _GLIBCXX_DEBUG 178 static const_node_pointer 179 next_2_pointer(const_node_pointer p_nd); 180 181 static const_node_pointer 182 next_after_0_pointer(const_node_pointer p_nd); 183#endif 184 185 private: 186 rc_t m_rc; 187 }; 188 189#include <ext/pb_ds/detail/rc_binomial_heap_/constructors_destructor_fn_imps.hpp> 190#include <ext/pb_ds/detail/rc_binomial_heap_/debug_fn_imps.hpp> 191#include <ext/pb_ds/detail/rc_binomial_heap_/erase_fn_imps.hpp> 192#include <ext/pb_ds/detail/rc_binomial_heap_/trace_fn_imps.hpp> 193#include <ext/pb_ds/detail/rc_binomial_heap_/insert_fn_imps.hpp> 194#include <ext/pb_ds/detail/rc_binomial_heap_/split_join_fn_imps.hpp> 195 196#undef PB_DS_CLASS_C_DEC 197 198#undef PB_DS_CLASS_T_DEC 199 200#undef PB_DS_BASE_C_DEC 201 202#undef PB_DS_RC_C_DEC 203 } // namespace detail 204} // namespace pb_ds 205