forked from KolibriOS/kolibrios
432e5f16f8
git-svn-id: svn://kolibrios.org@6554 a494cfbc-eb01-0410-851d-a64ba20cac60
89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
// -*- C++ -*-
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// Copyright (C) 2005-2015 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 pairing_heap_/insert_fn_imps.hpp
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* Contains an implementation class for a pairing heap.
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*/
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PB_DS_CLASS_T_DEC
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inline typename PB_DS_CLASS_C_DEC::point_iterator
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PB_DS_CLASS_C_DEC::
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push(const_reference r_val)
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{
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PB_DS_ASSERT_VALID((*this))
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node_pointer p_new_nd = base_type::get_new_node_for_insert(r_val);
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push_imp(p_new_nd);
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PB_DS_ASSERT_VALID((*this))
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return point_iterator(p_new_nd);
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}
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PB_DS_CLASS_T_DEC
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inline void
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PB_DS_CLASS_C_DEC::
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push_imp(node_pointer p_nd)
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{
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p_nd->m_p_l_child = 0;
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if (base_type::m_p_root == 0)
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{
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p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = 0;
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base_type::m_p_root = p_nd;
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}
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else if (Cmp_Fn::operator()(base_type::m_p_root->m_value, p_nd->m_value))
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{
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p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = 0;
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base_type::make_child_of(base_type::m_p_root, p_nd);
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PB_DS_ASSERT_NODE_CONSISTENT(p_nd, false)
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base_type::m_p_root = p_nd;
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}
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else
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{
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base_type::make_child_of(p_nd, base_type::m_p_root);
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PB_DS_ASSERT_NODE_CONSISTENT(base_type::m_p_root, false)
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}
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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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modify(point_iterator it, const_reference r_new_val)
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{
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PB_DS_ASSERT_VALID((*this))
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remove_node(it.m_p_nd);
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it.m_p_nd->m_value = r_new_val;
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push_imp(it.m_p_nd);
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PB_DS_ASSERT_VALID((*this))
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}
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