1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006, 2007, 2008, 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 constructors_destructor_fn_imps.hpp 38 * Contains an implementation class for binary_heap_. 39 */ 40 41PB_DS_CLASS_T_DEC 42typename PB_DS_CLASS_C_DEC::entry_allocator 43PB_DS_CLASS_C_DEC::s_entry_allocator; 44 45PB_DS_CLASS_T_DEC 46typename PB_DS_CLASS_C_DEC::value_allocator 47PB_DS_CLASS_C_DEC::s_value_allocator; 48 49PB_DS_CLASS_T_DEC 50typename PB_DS_CLASS_C_DEC::no_throw_copies_t 51PB_DS_CLASS_C_DEC::s_no_throw_copies_ind; 52 53PB_DS_CLASS_T_DEC 54template<typename It> 55void 56PB_DS_CLASS_C_DEC:: 57copy_from_range(It first_it, It last_it) 58{ 59 while (first_it != last_it) 60 { 61 insert_value(*first_it, s_no_throw_copies_ind); 62 ++first_it; 63 } 64 65 std::make_heap(m_a_entries, m_a_entries + m_size, static_cast<entry_cmp& >(*this)); 66 67 _GLIBCXX_DEBUG_ONLY(assert_valid();) 68} 69 70PB_DS_CLASS_T_DEC 71PB_DS_CLASS_C_DEC:: 72binary_heap_() : 73 m_size(0), 74 m_actual_size(resize_policy::min_size), 75 m_a_entries(s_entry_allocator.allocate(m_actual_size)) 76{ 77 _GLIBCXX_DEBUG_ONLY(assert_valid();) 78} 79 80PB_DS_CLASS_T_DEC 81PB_DS_CLASS_C_DEC:: 82binary_heap_(const Cmp_Fn& r_cmp_fn) : 83 entry_cmp(r_cmp_fn), 84 m_size(0), 85 m_actual_size(resize_policy::min_size), 86 m_a_entries(s_entry_allocator.allocate(m_actual_size)) 87{ 88 _GLIBCXX_DEBUG_ONLY(assert_valid();) 89} 90 91PB_DS_CLASS_T_DEC 92PB_DS_CLASS_C_DEC:: 93binary_heap_(const PB_DS_CLASS_C_DEC& other) : 94 entry_cmp(other), 95 resize_policy(other), 96 m_size(0), 97 m_actual_size(other.m_actual_size), 98 m_a_entries(s_entry_allocator.allocate(m_actual_size)) 99{ 100 _GLIBCXX_DEBUG_ONLY(other.assert_valid();) 101 _GLIBCXX_DEBUG_ASSERT(m_a_entries != other.m_a_entries); 102 103 const_iterator first_it = other.begin(); 104 const_iterator last_it = other.end(); 105 106 __try 107 { 108 while (first_it != last_it) 109 { 110 insert_value(*first_it, s_no_throw_copies_ind); 111 ++first_it; 112 } 113 } 114 __catch(...) 115 { 116 for (size_type i = 0; i < m_size; ++i) 117 erase_at(m_a_entries, i, s_no_throw_copies_ind); 118 119 s_entry_allocator.deallocate(m_a_entries, m_actual_size); 120 __throw_exception_again; 121 } 122 _GLIBCXX_DEBUG_ONLY(assert_valid();) 123} 124 125PB_DS_CLASS_T_DEC 126void 127PB_DS_CLASS_C_DEC:: 128swap(PB_DS_CLASS_C_DEC& other) 129{ 130 _GLIBCXX_DEBUG_ONLY(assert_valid();) 131 _GLIBCXX_DEBUG_ONLY(other.assert_valid();) 132 _GLIBCXX_DEBUG_ASSERT(m_a_entries != other.m_a_entries); 133 134 value_swap(other); 135 std::swap((entry_cmp& )(*this), (entry_cmp& )other); 136 _GLIBCXX_DEBUG_ONLY(assert_valid();) 137 _GLIBCXX_DEBUG_ONLY(other.assert_valid();) 138} 139 140PB_DS_CLASS_T_DEC 141void 142PB_DS_CLASS_C_DEC:: 143value_swap(PB_DS_CLASS_C_DEC& other) 144{ 145 std::swap(m_a_entries, other.m_a_entries); 146 std::swap(m_size, other.m_size); 147 std::swap(m_actual_size, other.m_actual_size); 148 static_cast<resize_policy*>(this)->swap(other); 149} 150 151PB_DS_CLASS_T_DEC 152PB_DS_CLASS_C_DEC:: 153~binary_heap_() 154{ 155 for (size_type i = 0; i < m_size; ++i) 156 erase_at(m_a_entries, i, s_no_throw_copies_ind); 157 s_entry_allocator.deallocate(m_a_entries, m_actual_size); 158} 159 160