1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
// -*- C++ -*-
// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License as published by the Free Software
// Foundation; either version 3, or (at your option) any later
// version.
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @file insert_fn_imps.hpp
* Contains an implementation class for left_child_next_sibling_heap_.
*/
PB_DS_CLASS_T_DEC
inline typename PB_DS_CLASS_C_DEC::node_pointer
PB_DS_CLASS_C_DEC::
get_new_node_for_insert(const_reference r_val)
{
return get_new_node_for_insert(r_val, s_no_throw_copies_ind);
}
PB_DS_CLASS_T_DEC
inline typename PB_DS_CLASS_C_DEC::node_pointer
PB_DS_CLASS_C_DEC::
get_new_node_for_insert(const_reference r_val, false_type)
{
node_pointer p_new_nd = s_node_allocator.allocate(1);
cond_dealtor_t cond(p_new_nd);
new (const_cast<void* >(
static_cast<const void* >(&p_new_nd->m_value)))
typename node::value_type(r_val);
cond.set_no_action();
++m_size;
return (p_new_nd);
}
PB_DS_CLASS_T_DEC
inline typename PB_DS_CLASS_C_DEC::node_pointer
PB_DS_CLASS_C_DEC::
get_new_node_for_insert(const_reference r_val, true_type)
{
node_pointer p_new_nd = s_node_allocator.allocate(1);
new (const_cast<void* >(
static_cast<const void* >(&p_new_nd->m_value)))
typename node::value_type(r_val);
++m_size;
return (p_new_nd);
}
PB_DS_CLASS_T_DEC
inline void
PB_DS_CLASS_C_DEC::
make_child_of(node_pointer p_nd, node_pointer p_new_parent)
{
_GLIBCXX_DEBUG_ASSERT(p_nd != NULL);
_GLIBCXX_DEBUG_ASSERT(p_new_parent != NULL);
p_nd->m_p_next_sibling = p_new_parent->m_p_l_child;
if (p_new_parent->m_p_l_child != NULL)
p_new_parent->m_p_l_child->m_p_prev_or_parent = p_nd;
p_nd->m_p_prev_or_parent = p_new_parent;
p_new_parent->m_p_l_child = p_nd;
}
PB_DS_CLASS_T_DEC
inline typename PB_DS_CLASS_C_DEC::node_pointer
PB_DS_CLASS_C_DEC::
parent(node_pointer p_nd)
{
while (true)
{
node_pointer p_pot = p_nd->m_p_prev_or_parent;
if (p_pot == NULL || p_pot->m_p_l_child == p_nd)
return p_pot;
p_nd = p_pot;
}
}
PB_DS_CLASS_T_DEC
inline void
PB_DS_CLASS_C_DEC::
swap_with_parent(node_pointer p_nd, node_pointer p_parent)
{
if (p_parent == m_p_root)
m_p_root = p_nd;
_GLIBCXX_DEBUG_ASSERT(p_nd != NULL);
_GLIBCXX_DEBUG_ASSERT(p_parent != NULL);
_GLIBCXX_DEBUG_ASSERT(parent(p_nd) == p_parent);
const bool nd_direct_child = p_parent->m_p_l_child == p_nd;
const bool parent_root = p_parent->m_p_prev_or_parent == NULL;
const bool parent_direct_child =
!parent_root&& p_parent->m_p_prev_or_parent->m_p_l_child == p_parent;
std::swap(p_parent->m_p_prev_or_parent, p_nd->m_p_prev_or_parent);
std::swap(p_parent->m_p_next_sibling, p_nd->m_p_next_sibling);
std::swap(p_parent->m_p_l_child, p_nd->m_p_l_child);
std::swap(p_parent->m_metadata, p_nd->m_metadata);
_GLIBCXX_DEBUG_ASSERT(p_nd->m_p_l_child != NULL);
_GLIBCXX_DEBUG_ASSERT(p_parent->m_p_prev_or_parent != NULL);
if (p_nd->m_p_next_sibling != NULL)
p_nd->m_p_next_sibling->m_p_prev_or_parent = p_nd;
if (p_parent->m_p_next_sibling != NULL)
p_parent->m_p_next_sibling->m_p_prev_or_parent = p_parent;
if (p_parent->m_p_l_child != NULL)
p_parent->m_p_l_child->m_p_prev_or_parent = p_parent;
if (parent_direct_child)
p_nd->m_p_prev_or_parent->m_p_l_child = p_nd;
else if (!parent_root)
p_nd->m_p_prev_or_parent->m_p_next_sibling = p_nd;
if (!nd_direct_child)
{
p_nd->m_p_l_child->m_p_prev_or_parent = p_nd;
p_parent->m_p_prev_or_parent->m_p_next_sibling = p_parent;
}
else
{
_GLIBCXX_DEBUG_ASSERT(p_nd->m_p_l_child == p_nd);
_GLIBCXX_DEBUG_ASSERT(p_parent->m_p_prev_or_parent == p_parent);
p_nd->m_p_l_child = p_parent;
p_parent->m_p_prev_or_parent = p_nd;
}
_GLIBCXX_DEBUG_ASSERT(parent(p_parent) == p_nd);
}
|
