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4569a895 AT |
1 | // -*- C++ -*- |
2 | ||
aa118a03 | 3 | // Copyright (C) 2005-2014 Free Software Foundation, Inc. |
4569a895 AT |
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 | |
748086b7 | 8 | // Foundation; either version 3, or (at your option) any later |
4569a895 AT |
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 | ||
748086b7 JJ |
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/>. | |
4569a895 AT |
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 | /** | |
a345e45d | 37 | * @file pairing_heap_/insert_fn_imps.hpp |
4569a895 AT |
38 | * Contains an implementation class for a pairing heap. |
39 | */ | |
40 | ||
41 | PB_DS_CLASS_T_DEC | |
42 | inline typename PB_DS_CLASS_C_DEC::point_iterator | |
43 | PB_DS_CLASS_C_DEC:: | |
44 | push(const_reference r_val) | |
45 | { | |
f5886803 | 46 | PB_DS_ASSERT_VALID((*this)) |
f5886803 | 47 | node_pointer p_new_nd = base_type::get_new_node_for_insert(r_val); |
4569a895 | 48 | push_imp(p_new_nd); |
f5886803 | 49 | PB_DS_ASSERT_VALID((*this)) |
f5886803 | 50 | return point_iterator(p_new_nd); |
4569a895 AT |
51 | } |
52 | ||
53 | PB_DS_CLASS_T_DEC | |
54 | inline void | |
55 | PB_DS_CLASS_C_DEC:: | |
56 | push_imp(node_pointer p_nd) | |
57 | { | |
8fc81078 | 58 | p_nd->m_p_l_child = 0; |
8fc81078 | 59 | if (base_type::m_p_root == 0) |
4569a895 | 60 | { |
8fc81078 | 61 | p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = 0; |
4569a895 AT |
62 | base_type::m_p_root = p_nd; |
63 | } | |
64 | else if (Cmp_Fn::operator()(base_type::m_p_root->m_value, p_nd->m_value)) | |
65 | { | |
8fc81078 | 66 | p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = 0; |
4569a895 | 67 | base_type::make_child_of(base_type::m_p_root, p_nd); |
f5886803 | 68 | PB_DS_ASSERT_NODE_CONSISTENT(p_nd, false) |
4569a895 AT |
69 | base_type::m_p_root = p_nd; |
70 | } | |
71 | else | |
72 | { | |
73 | base_type::make_child_of(p_nd, base_type::m_p_root); | |
f5886803 | 74 | PB_DS_ASSERT_NODE_CONSISTENT(base_type::m_p_root, false) |
4569a895 AT |
75 | } |
76 | } | |
77 | ||
78 | PB_DS_CLASS_T_DEC | |
79 | void | |
80 | PB_DS_CLASS_C_DEC:: | |
81 | modify(point_iterator it, const_reference r_new_val) | |
82 | { | |
f5886803 | 83 | PB_DS_ASSERT_VALID((*this)) |
f5886803 | 84 | remove_node(it.m_p_nd); |
4569a895 | 85 | it.m_p_nd->m_value = r_new_val; |
4569a895 | 86 | push_imp(it.m_p_nd); |
f5886803 FD |
87 | PB_DS_ASSERT_VALID((*this)) |
88 | } |