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ultra_embe |
// -*- C++ -*-
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// Copyright (C) 2005, 2006, 2007, 2008, 2009, 2011
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the terms
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// of the GNU General Public License as published by the Free Software
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// Foundation; either version 3, or (at your option) any later
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// version.
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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// Permission to use, copy, modify, sell, and distribute this software
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// is hereby granted without fee, provided that the above copyright
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// notice appears in all copies, and that both that copyright notice
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// and this permission notice appear in supporting documentation. None
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// of the above authors, nor IBM Haifa Research Laboratories, make any
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// representation about the suitability of this software for any
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// purpose. It is provided "as is" without express or implied
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// warranty.
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/**
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* @file binary_heap_/constructors_destructor_fn_imps.hpp
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* Contains an implementation class for binary_heap_.
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*/
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PB_DS_CLASS_T_DEC
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typename PB_DS_CLASS_C_DEC::entry_allocator
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PB_DS_CLASS_C_DEC::s_entry_allocator;
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PB_DS_CLASS_T_DEC
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typename PB_DS_CLASS_C_DEC::value_allocator
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PB_DS_CLASS_C_DEC::s_value_allocator;
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PB_DS_CLASS_T_DEC
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typename PB_DS_CLASS_C_DEC::no_throw_copies_t
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PB_DS_CLASS_C_DEC::s_no_throw_copies_ind;
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PB_DS_CLASS_T_DEC
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template<typename It>
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void
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PB_DS_CLASS_C_DEC::
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copy_from_range(It first_it, It last_it)
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{
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while (first_it != last_it)
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{
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insert_value(*first_it, s_no_throw_copies_ind);
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++first_it;
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}
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make_heap();
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PB_DS_ASSERT_VALID((*this))
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}
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PB_DS_CLASS_T_DEC
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PB_DS_CLASS_C_DEC::
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binary_heap()
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: m_size(0), m_actual_size(resize_policy::min_size),
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m_a_entries(s_entry_allocator.allocate(m_actual_size))
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{ PB_DS_ASSERT_VALID((*this)) }
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PB_DS_CLASS_T_DEC
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PB_DS_CLASS_C_DEC::
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binary_heap(const Cmp_Fn& r_cmp_fn)
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: entry_cmp(r_cmp_fn), m_size(0), m_actual_size(resize_policy::min_size),
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m_a_entries(s_entry_allocator.allocate(m_actual_size))
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{ PB_DS_ASSERT_VALID((*this)) }
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PB_DS_CLASS_T_DEC
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PB_DS_CLASS_C_DEC::
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binary_heap(const PB_DS_CLASS_C_DEC& other)
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: entry_cmp(other), resize_policy(other), m_size(0),
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m_actual_size(other.m_actual_size),
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m_a_entries(s_entry_allocator.allocate(m_actual_size))
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{
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PB_DS_ASSERT_VALID(other)
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_GLIBCXX_DEBUG_ASSERT(m_a_entries != other.m_a_entries);
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__try
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{
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copy_from_range(other.begin(), other.end());
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}
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__catch(...)
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{
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for (size_type i = 0; i < m_size; ++i)
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erase_at(m_a_entries, i, s_no_throw_copies_ind);
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s_entry_allocator.deallocate(m_a_entries, m_actual_size);
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__throw_exception_again;
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}
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PB_DS_ASSERT_VALID((*this))
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}
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PB_DS_CLASS_T_DEC
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void
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PB_DS_CLASS_C_DEC::
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swap(PB_DS_CLASS_C_DEC& other)
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{
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PB_DS_ASSERT_VALID((*this))
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PB_DS_ASSERT_VALID(other)
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_GLIBCXX_DEBUG_ASSERT(m_a_entries != other.m_a_entries);
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value_swap(other);
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std::swap((entry_cmp&)(*this), (entry_cmp&)other);
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PB_DS_ASSERT_VALID((*this))
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PB_DS_ASSERT_VALID(other)
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}
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PB_DS_CLASS_T_DEC
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void
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PB_DS_CLASS_C_DEC::
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value_swap(PB_DS_CLASS_C_DEC& other)
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{
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std::swap(m_a_entries, other.m_a_entries);
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std::swap(m_size, other.m_size);
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std::swap(m_actual_size, other.m_actual_size);
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static_cast<resize_policy*>(this)->swap(other);
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}
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PB_DS_CLASS_T_DEC
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PB_DS_CLASS_C_DEC::
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~binary_heap()
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{
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for (size_type i = 0; i < m_size; ++i)
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erase_at(m_a_entries, i, s_no_throw_copies_ind);
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s_entry_allocator.deallocate(m_a_entries, m_actual_size);
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}
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