1169691Skan// -*- C++ -*- 2169691Skan 3169691Skan// Copyright (C) 2005, 2006 Free Software Foundation, Inc. 4169691Skan// 5169691Skan// This file is part of the GNU ISO C++ Library. This library is free 6169691Skan// software; you can redistribute it and/or modify it under the terms 7169691Skan// of the GNU General Public License as published by the Free Software 8169691Skan// Foundation; either version 2, or (at your option) any later 9169691Skan// version. 10169691Skan 11169691Skan// This library is distributed in the hope that it will be useful, but 12169691Skan// WITHOUT ANY WARRANTY; without even the implied warranty of 13169691Skan// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14169691Skan// General Public License for more details. 15169691Skan 16169691Skan// You should have received a copy of the GNU General Public License 17169691Skan// along with this library; see the file COPYING. If not, write to 18169691Skan// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, 19169691Skan// MA 02111-1307, USA. 20169691Skan 21169691Skan// As a special exception, you may use this file as part of a free 22169691Skan// software library without restriction. Specifically, if other files 23169691Skan// instantiate templates or use macros or inline functions from this 24169691Skan// file, or you compile this file and link it with other files to 25169691Skan// produce an executable, this file does not by itself cause the 26169691Skan// resulting executable to be covered by the GNU General Public 27169691Skan// License. This exception does not however invalidate any other 28169691Skan// reasons why the executable file might be covered by the GNU General 29169691Skan// Public License. 30169691Skan 31169691Skan// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 32169691Skan 33169691Skan// Permission to use, copy, modify, sell, and distribute this software 34169691Skan// is hereby granted without fee, provided that the above copyright 35169691Skan// notice appears in all copies, and that both that copyright notice 36169691Skan// and this permission notice appear in supporting documentation. None 37169691Skan// of the above authors, nor IBM Haifa Research Laboratories, make any 38169691Skan// representation about the suitability of this software for any 39169691Skan// purpose. It is provided "as is" without express or implied 40169691Skan// warranty. 41169691Skan 42169691Skan/** 43169691Skan * @file left_child_next_sibling_heap_.hpp 44169691Skan * Contains an implementation class for a basic heap. 45169691Skan */ 46169691Skan 47169691Skan#ifndef PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_HPP 48169691Skan#define PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_HPP 49169691Skan 50169691Skan/* 51169691Skan * Based on CLRS. 52169691Skan */ 53169691Skan 54169691Skan#include <iterator> 55169691Skan#include <ext/pb_ds/detail/cond_dealtor.hpp> 56169691Skan#include <ext/pb_ds/detail/type_utils.hpp> 57169691Skan#include <ext/pb_ds/detail/left_child_next_sibling_heap_/node.hpp> 58169691Skan#include <ext/pb_ds/detail/left_child_next_sibling_heap_/const_point_iterator.hpp> 59169691Skan#include <ext/pb_ds/detail/left_child_next_sibling_heap_/const_iterator.hpp> 60169691Skan#ifdef PB_DS_LC_NS_HEAP_TRACE_ 61169691Skan#include <iostream> 62169691Skan#endif 63169691Skan#include <debug/debug.h> 64169691Skan 65169691Skannamespace pb_ds 66169691Skan{ 67169691Skan namespace detail 68169691Skan { 69169691Skan 70169691Skan#ifdef _GLIBCXX_DEBUG 71169691Skan#define PB_DS_CLASS_T_DEC \ 72169691Skan template< \ 73169691Skan typename Value_Type, \ 74169691Skan class Cmp_Fn, \ 75169691Skan typename Node_Metadata, \ 76169691Skan class Allocator, \ 77169691Skan bool Single_Link_Roots> 78169691Skan#else 79169691Skan#define PB_DS_CLASS_T_DEC \ 80169691Skan template< \ 81169691Skan typename Value_Type, \ 82169691Skan class Cmp_Fn, \ 83169691Skan typename Node_Metadata, \ 84169691Skan class Allocator> 85169691Skan#endif 86169691Skan 87169691Skan#ifdef _GLIBCXX_DEBUG 88169691Skan#define PB_DS_CLASS_C_DEC \ 89169691Skan left_child_next_sibling_heap_< \ 90169691Skan Value_Type, \ 91169691Skan Cmp_Fn, \ 92169691Skan Node_Metadata, \ 93169691Skan Allocator, \ 94169691Skan Single_Link_Roots> 95169691Skan#else 96169691Skan#define PB_DS_CLASS_C_DEC \ 97169691Skan left_child_next_sibling_heap_< \ 98169691Skan Value_Type, \ 99169691Skan Cmp_Fn, \ 100169691Skan Node_Metadata, \ 101169691Skan Allocator> 102169691Skan#endif 103169691Skan 104169691Skan /** 105169691Skan * class description = "Base class for some types of h3ap$"> 106169691Skan **/ 107169691Skan#ifdef _GLIBCXX_DEBUG 108169691Skan template<typename Value_Type, 109169691Skan class Cmp_Fn, 110169691Skan typename Node_Metadata, 111169691Skan class Allocator, 112169691Skan bool Single_Link_Roots> 113169691Skan#else 114169691Skan template<typename Value_Type, 115169691Skan class Cmp_Fn, 116169691Skan typename Node_Metadata, 117169691Skan class Allocator> 118169691Skan#endif 119169691Skan class left_child_next_sibling_heap_ : public Cmp_Fn 120169691Skan { 121169691Skan 122169691Skan protected: 123169691Skan typedef 124169691Skan typename Allocator::template rebind< 125169691Skan left_child_next_sibling_heap_node_< 126169691Skan Value_Type, 127169691Skan Node_Metadata, 128169691Skan Allocator> >::other 129169691Skan node_allocator; 130169691Skan 131169691Skan typedef typename node_allocator::value_type node; 132169691Skan 133169691Skan typedef typename node_allocator::pointer node_pointer; 134169691Skan 135169691Skan typedef typename node_allocator::const_pointer const_node_pointer; 136169691Skan 137169691Skan typedef Node_Metadata node_metadata; 138169691Skan 139169691Skan typedef std::pair< node_pointer, node_pointer> node_pointer_pair; 140169691Skan 141169691Skan private: 142169691Skan typedef cond_dealtor< node, Allocator> cond_dealtor_t; 143169691Skan 144169691Skan enum 145169691Skan { 146169691Skan simple_value = is_simple<Value_Type>::value 147169691Skan }; 148169691Skan 149169691Skan typedef integral_constant<int, simple_value> no_throw_copies_t; 150169691Skan 151169691Skan public: 152169691Skan 153169691Skan typedef typename Allocator::size_type size_type; 154169691Skan 155169691Skan typedef typename Allocator::difference_type difference_type; 156169691Skan 157169691Skan typedef Value_Type value_type; 158169691Skan 159169691Skan typedef 160169691Skan typename Allocator::template rebind< 161169691Skan value_type>::other::pointer 162169691Skan pointer; 163169691Skan 164169691Skan typedef 165169691Skan typename Allocator::template rebind< 166169691Skan value_type>::other::const_pointer 167169691Skan const_pointer; 168169691Skan 169169691Skan typedef 170169691Skan typename Allocator::template rebind< 171169691Skan value_type>::other::reference 172169691Skan reference; 173169691Skan 174169691Skan typedef 175169691Skan typename Allocator::template rebind< 176169691Skan value_type>::other::const_reference 177169691Skan const_reference; 178169691Skan 179169691Skan typedef 180169691Skan left_child_next_sibling_heap_node_const_point_iterator_< 181169691Skan node, 182169691Skan Allocator> 183169691Skan const_point_iterator; 184169691Skan 185169691Skan typedef const_point_iterator point_iterator; 186169691Skan 187169691Skan typedef 188169691Skan left_child_next_sibling_heap_const_iterator_< 189169691Skan node, 190169691Skan Allocator> 191169691Skan const_iterator; 192169691Skan 193169691Skan typedef const_iterator iterator; 194169691Skan 195169691Skan typedef Cmp_Fn cmp_fn; 196169691Skan 197169691Skan typedef Allocator allocator; 198169691Skan 199169691Skan public: 200169691Skan 201169691Skan left_child_next_sibling_heap_(); 202169691Skan 203169691Skan left_child_next_sibling_heap_(const Cmp_Fn& r_cmp_fn); 204169691Skan 205169691Skan left_child_next_sibling_heap_(const PB_DS_CLASS_C_DEC& other); 206169691Skan 207169691Skan void 208169691Skan swap(PB_DS_CLASS_C_DEC& other); 209169691Skan 210169691Skan ~left_child_next_sibling_heap_(); 211169691Skan 212169691Skan inline bool 213169691Skan empty() const; 214169691Skan 215169691Skan inline size_type 216169691Skan size() const; 217169691Skan 218169691Skan inline size_type 219169691Skan max_size() const; 220169691Skan 221169691Skan Cmp_Fn& 222169691Skan get_cmp_fn(); 223169691Skan 224169691Skan const Cmp_Fn& 225169691Skan get_cmp_fn() const; 226169691Skan 227169691Skan inline iterator 228169691Skan begin(); 229169691Skan 230169691Skan inline const_iterator 231169691Skan begin() const; 232169691Skan 233169691Skan inline iterator 234169691Skan end(); 235169691Skan 236169691Skan inline const_iterator 237169691Skan end() const; 238169691Skan 239169691Skan void 240169691Skan clear(); 241169691Skan 242169691Skan#ifdef PB_DS_LC_NS_HEAP_TRACE_ 243169691Skan void 244169691Skan trace() const; 245169691Skan#endif 246169691Skan 247169691Skan protected: 248169691Skan 249169691Skan inline node_pointer 250169691Skan get_new_node_for_insert(const_reference r_val); 251169691Skan 252169691Skan inline static void 253169691Skan make_child_of(node_pointer p_nd, node_pointer p_new_parent); 254169691Skan 255169691Skan void 256169691Skan value_swap(PB_DS_CLASS_C_DEC& other); 257169691Skan 258169691Skan inline static node_pointer 259169691Skan parent(node_pointer p_nd); 260169691Skan 261169691Skan inline void 262169691Skan swap_with_parent(node_pointer p_nd, node_pointer p_parent); 263169691Skan 264169691Skan void 265169691Skan bubble_to_top(node_pointer p_nd); 266169691Skan 267169691Skan inline void 268169691Skan actual_erase_node(node_pointer p_nd); 269169691Skan 270169691Skan void 271169691Skan clear_imp(node_pointer p_nd); 272169691Skan 273169691Skan void 274169691Skan to_linked_list(); 275169691Skan 276169691Skan template<typename Pred> 277169691Skan node_pointer 278169691Skan prune(Pred pred); 279169691Skan 280169691Skan#ifdef _GLIBCXX_DEBUG 281169691Skan void 282169691Skan assert_valid() const; 283169691Skan 284169691Skan void 285169691Skan assert_node_consistent(const_node_pointer p_nd, bool single_link) const; 286169691Skan 287169691Skan static size_type 288169691Skan size_under_node(const_node_pointer p_nd); 289169691Skan 290169691Skan static size_type 291169691Skan degree(const_node_pointer p_nd); 292169691Skan#endif 293169691Skan 294169691Skan#ifdef PB_DS_LC_NS_HEAP_TRACE_ 295169691Skan static void 296169691Skan trace_node(const_node_pointer, size_type level); 297169691Skan#endif 298169691Skan 299169691Skan protected: 300169691Skan node_pointer m_p_root; 301169691Skan 302169691Skan size_type m_size; 303169691Skan 304169691Skan private: 305169691Skan#ifdef _GLIBCXX_DEBUG 306169691Skan void 307169691Skan assert_iterators() const; 308169691Skan 309169691Skan void 310169691Skan assert_size() const; 311169691Skan 312169691Skan static size_type 313169691Skan size_from_node(const_node_pointer p_nd); 314169691Skan#endif 315169691Skan 316169691Skan node_pointer 317169691Skan recursive_copy_node(const_node_pointer p_nd); 318169691Skan 319169691Skan inline node_pointer 320169691Skan get_new_node_for_insert(const_reference r_val, false_type); 321169691Skan 322169691Skan inline node_pointer 323169691Skan get_new_node_for_insert(const_reference r_val, true_type); 324169691Skan 325169691Skan#ifdef PB_DS_LC_NS_HEAP_TRACE_ 326169691Skan template<typename Metadata_> 327169691Skan static void 328169691Skan trace_node_metadata(const_node_pointer p_nd, type_to_type<Metadata_>); 329169691Skan 330169691Skan static void 331169691Skan trace_node_metadata(const_node_pointer, type_to_type<null_left_child_next_sibling_heap_node_metadata>); 332169691Skan#endif 333169691Skan 334169691Skan private: 335169691Skan static node_allocator s_node_allocator; 336169691Skan 337169691Skan static no_throw_copies_t s_no_throw_copies_ind; 338169691Skan }; 339169691Skan 340169691Skan#include <ext/pb_ds/detail/left_child_next_sibling_heap_/constructors_destructor_fn_imps.hpp> 341169691Skan#include <ext/pb_ds/detail/left_child_next_sibling_heap_/iterators_fn_imps.hpp> 342169691Skan#include <ext/pb_ds/detail/left_child_next_sibling_heap_/debug_fn_imps.hpp> 343169691Skan#include <ext/pb_ds/detail/left_child_next_sibling_heap_/trace_fn_imps.hpp> 344169691Skan#include <ext/pb_ds/detail/left_child_next_sibling_heap_/insert_fn_imps.hpp> 345169691Skan#include <ext/pb_ds/detail/left_child_next_sibling_heap_/erase_fn_imps.hpp> 346169691Skan#include <ext/pb_ds/detail/left_child_next_sibling_heap_/info_fn_imps.hpp> 347169691Skan#include <ext/pb_ds/detail/left_child_next_sibling_heap_/policy_access_fn_imps.hpp> 348169691Skan 349169691Skan#undef PB_DS_CLASS_C_DEC 350169691Skan#undef PB_DS_CLASS_T_DEC 351169691Skan 352169691Skan } // namespace detail 353169691Skan} // namespace pb_ds 354169691Skan 355169691Skan#endif 356