libstdc++
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00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2005, 2006, 2009, 2011 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the terms 00007 // of the GNU General Public License as published by the Free Software 00008 // Foundation; either version 3, or (at your option) any later 00009 // version. 00010 00011 // This library is distributed in the hope that it will be useful, but 00012 // WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 // General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 00026 00027 // Permission to use, copy, modify, sell, and distribute this software 00028 // is hereby granted without fee, provided that the above copyright 00029 // notice appears in all copies, and that both that copyright notice 00030 // and this permission notice appear in supporting documentation. None 00031 // of the above authors, nor IBM Haifa Research Laboratories, make any 00032 // representation about the suitability of this software for any 00033 // purpose. It is provided "as is" without express or implied 00034 // warranty. 00035 00036 /** 00037 * @file rc_binomial_heap_/rc_binomial_heap_.hpp 00038 * Contains an implementation for redundant-counter binomial heap. 00039 */ 00040 00041 #include <ext/pb_ds/detail/cond_dealtor.hpp> 00042 #include <ext/pb_ds/detail/type_utils.hpp> 00043 #include <ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp> 00044 #include <ext/pb_ds/detail/rc_binomial_heap_/rc.hpp> 00045 #include <debug/debug.h> 00046 00047 namespace __gnu_pbds 00048 { 00049 namespace detail 00050 { 00051 #define PB_DS_CLASS_T_DEC \ 00052 template<typename Value_Type, typename Cmp_Fn, typename _Alloc> 00053 00054 #define PB_DS_CLASS_C_DEC \ 00055 rc_binomial_heap<Value_Type, Cmp_Fn, _Alloc> 00056 00057 #define PB_DS_RC_C_DEC \ 00058 rc<typename binomial_heap_base<Value_Type, Cmp_Fn, _Alloc>::node, _Alloc> 00059 00060 /** 00061 * Redundant-counter binomial heap. 00062 * 00063 * @ingroup heap-detail 00064 */ 00065 template<typename Value_Type, typename Cmp_Fn, typename _Alloc> 00066 class rc_binomial_heap 00067 : public binomial_heap_base<Value_Type, Cmp_Fn, _Alloc> 00068 { 00069 private: 00070 typedef binomial_heap_base<Value_Type, Cmp_Fn, _Alloc> 00071 base_type; 00072 typedef typename base_type::node_pointer node_pointer; 00073 typedef typename base_type::node_const_pointer node_const_pointer; 00074 typedef PB_DS_RC_C_DEC rc_t; 00075 00076 public: 00077 typedef Value_Type value_type; 00078 typedef typename _Alloc::size_type size_type; 00079 typedef typename _Alloc::difference_type difference_type; 00080 typedef typename base_type::pointer pointer; 00081 typedef typename base_type::const_pointer const_pointer; 00082 typedef typename base_type::reference reference; 00083 typedef typename base_type::const_reference const_reference; 00084 typedef typename base_type::point_const_iterator point_const_iterator; 00085 typedef typename base_type::point_iterator point_iterator; 00086 typedef typename base_type::const_iterator const_iterator; 00087 typedef typename base_type::iterator iterator; 00088 typedef typename base_type::cmp_fn cmp_fn; 00089 typedef typename base_type::allocator_type allocator_type; 00090 00091 rc_binomial_heap(); 00092 00093 rc_binomial_heap(const Cmp_Fn&); 00094 00095 rc_binomial_heap(const PB_DS_CLASS_C_DEC&); 00096 00097 ~rc_binomial_heap(); 00098 00099 void 00100 swap(PB_DS_CLASS_C_DEC&); 00101 00102 inline point_iterator 00103 push(const_reference); 00104 00105 void 00106 modify(point_iterator, const_reference); 00107 00108 inline void 00109 pop(); 00110 00111 void 00112 erase(point_iterator); 00113 00114 inline void 00115 clear(); 00116 00117 template<typename Pred> 00118 size_type 00119 erase_if(Pred); 00120 00121 template<typename Pred> 00122 void 00123 split(Pred, PB_DS_CLASS_C_DEC&); 00124 00125 void 00126 join(PB_DS_CLASS_C_DEC&); 00127 00128 #ifdef _GLIBCXX_DEBUG 00129 void 00130 assert_valid(const char*, int) const; 00131 #endif 00132 00133 #ifdef PB_DS_RC_BINOMIAL_HEAP_TRACE_ 00134 void 00135 trace() const; 00136 #endif 00137 00138 private: 00139 00140 inline node_pointer 00141 link_with_next_sibling(node_pointer); 00142 00143 void 00144 make_0_exposed(); 00145 00146 void 00147 make_binomial_heap(); 00148 00149 #ifdef _GLIBCXX_DEBUG 00150 static node_const_pointer 00151 next_2_pointer(node_const_pointer); 00152 00153 static node_const_pointer 00154 next_after_0_pointer(node_const_pointer); 00155 #endif 00156 00157 rc_t m_rc; 00158 }; 00159 00160 #include <ext/pb_ds/detail/rc_binomial_heap_/constructors_destructor_fn_imps.hpp> 00161 #include <ext/pb_ds/detail/rc_binomial_heap_/debug_fn_imps.hpp> 00162 #include <ext/pb_ds/detail/rc_binomial_heap_/erase_fn_imps.hpp> 00163 #include <ext/pb_ds/detail/rc_binomial_heap_/trace_fn_imps.hpp> 00164 #include <ext/pb_ds/detail/rc_binomial_heap_/insert_fn_imps.hpp> 00165 #include <ext/pb_ds/detail/rc_binomial_heap_/split_join_fn_imps.hpp> 00166 00167 #undef PB_DS_CLASS_C_DEC 00168 #undef PB_DS_CLASS_T_DEC 00169 #undef PB_DS_RC_C_DEC 00170 } // namespace detail 00171 } // namespace __gnu_pbds