3 // Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
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
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.
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.
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/>.
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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
37 * @file insert_fn_imps.hpp
38 * Contains an implementation class for a pairing heap.
42 inline typename PB_DS_CLASS_C_DEC::point_iterator
44 push(const_reference r_val)
46 _GLIBCXX_DEBUG_ONLY(assert_valid();)
48 node_pointer p_new_nd = base_type::get_new_node_for_insert(r_val);
52 _GLIBCXX_DEBUG_ONLY(assert_valid();)
54 return point_iterator(p_new_nd);
60 push_imp(node_pointer p_nd)
62 p_nd->m_p_l_child = 0;
64 if (base_type::m_p_root == 0)
66 p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = 0;
68 base_type::m_p_root = p_nd;
70 else if (Cmp_Fn::operator()(base_type::m_p_root->m_value, p_nd->m_value))
72 p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = 0;
74 base_type::make_child_of(base_type::m_p_root, p_nd);
75 _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd, false));
77 base_type::m_p_root = p_nd;
81 base_type::make_child_of(p_nd, base_type::m_p_root);
82 _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(base_type::m_p_root, false));
89 modify(point_iterator it, const_reference r_new_val)
91 _GLIBCXX_DEBUG_ONLY(assert_valid();)
93 remove_node(it.m_p_nd);
95 it.m_p_nd->m_value = r_new_val;
99 _GLIBCXX_DEBUG_ONLY(assert_valid();)