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 rc_binomial_heap_/rc_binomial_heap_.hpp 38 * Contains an implementation for redundant-counter binomial heap. 39 */ 40 41 #include <ext/pb_ds/detail/cond_dealtor.hpp> 42 #include <ext/pb_ds/detail/type_utils.hpp> 43 #include <ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp> 44 #include <ext/pb_ds/detail/rc_binomial_heap_/rc.hpp> 45 #include <debug/debug.h> 46 47 namespace __gnu_pbds 48 { 49 namespace detail 50 { 51 #define PB_DS_CLASS_T_DEC \ 52 template<typename Value_Type, typename Cmp_Fn, typename _Alloc> 53 54 #define PB_DS_CLASS_C_DEC \ 55 rc_binomial_heap<Value_Type, Cmp_Fn, _Alloc> 56 57 #define PB_DS_RC_C_DEC \ 58 rc<typename binomial_heap_base<Value_Type, Cmp_Fn, _Alloc>::node, _Alloc> 59 60 /** 61 * Redundant-counter binomial heap. 62 * 63 * @ingroup heap-detail 64 */ 65 template<typename Value_Type, typename Cmp_Fn, typename _Alloc> 66 class rc_binomial_heap 67 : public binomial_heap_base<Value_Type, Cmp_Fn, _Alloc> 68 { 69 private: 70 typedef binomial_heap_base<Value_Type, Cmp_Fn, _Alloc> 71 base_type; 72 typedef typename base_type::node_pointer node_pointer; 73 typedef typename base_type::node_const_pointer node_const_pointer; 74 typedef PB_DS_RC_C_DEC rc_t; 75 76 public: 77 typedef Value_Type value_type; 78 typedef typename _Alloc::size_type size_type; 79 typedef typename _Alloc::difference_type difference_type; 80 typedef typename base_type::pointer pointer; 81 typedef typename base_type::const_pointer const_pointer; 82 typedef typename base_type::reference reference; 83 typedef typename base_type::const_reference const_reference; 84 typedef typename base_type::point_const_iterator point_const_iterator; 85 typedef typename base_type::point_iterator point_iterator; 86 typedef typename base_type::const_iterator const_iterator; 87 typedef typename base_type::iterator iterator; 88 typedef typename base_type::cmp_fn cmp_fn; 89 typedef typename base_type::allocator_type allocator_type; 90 91 rc_binomial_heap(); 92 93 rc_binomial_heap(const Cmp_Fn&); 94 95 rc_binomial_heap(const PB_DS_CLASS_C_DEC&); 96 97 ~rc_binomial_heap(); 98 99 void 100 swap(PB_DS_CLASS_C_DEC&); 101 102 inline point_iterator 103 push(const_reference); 104 105 void 106 modify(point_iterator, const_reference); 107 108 inline void 109 pop(); 110 111 void 112 erase(point_iterator); 113 114 inline void 115 clear(); 116 117 template<typename Pred> 118 size_type 119 erase_if(Pred); 120 121 template<typename Pred> 122 void 123 split(Pred, PB_DS_CLASS_C_DEC&); 124 125 void 126 join(PB_DS_CLASS_C_DEC&); 127 128 #ifdef _GLIBCXX_DEBUG 129 void 130 assert_valid(const char*, int) const; 131 #endif 132 133 #ifdef PB_DS_RC_BINOMIAL_HEAP_TRACE_ 134 void 135 trace() const; 136 #endif 137 138 private: 139 140 inline node_pointer 141 link_with_next_sibling(node_pointer); 142 143 void 144 make_0_exposed(); 145 146 void 147 make_binomial_heap(); 148 149 #ifdef _GLIBCXX_DEBUG 150 static node_const_pointer 151 next_2_pointer(node_const_pointer); 152 153 static node_const_pointer 154 next_after_0_pointer(node_const_pointer); 155 #endif 156 157 rc_t m_rc; 158 }; 159 160 #include <ext/pb_ds/detail/rc_binomial_heap_/constructors_destructor_fn_imps.hpp> 161 #include <ext/pb_ds/detail/rc_binomial_heap_/debug_fn_imps.hpp> 162 #include <ext/pb_ds/detail/rc_binomial_heap_/erase_fn_imps.hpp> 163 #include <ext/pb_ds/detail/rc_binomial_heap_/trace_fn_imps.hpp> 164 #include <ext/pb_ds/detail/rc_binomial_heap_/insert_fn_imps.hpp> 165 #include <ext/pb_ds/detail/rc_binomial_heap_/split_join_fn_imps.hpp> 166 167 #undef PB_DS_CLASS_C_DEC 168 #undef PB_DS_CLASS_T_DEC 169 #undef PB_DS_RC_C_DEC 170 } // namespace detail 171 } // namespace __gnu_pbds 172
