libstdc++: debug_fn_imps.hpp Source File

libstdc++

left_child_next_sibling_heap_/debug_fn_imps.hpp
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1// -*- C++ -*-
2
3// Copyright (C) 2005-2026 Free Software Foundation, Inc.
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
8// Foundation; either version 3, or (at your option) any later
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
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/>.
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/**
37 * @file left_child_next_sibling_heap_/debug_fn_imps.hpp
38 * Contains an implementation class for left_child_next_sibling_heap_.
39 */
40
41#ifdef PB_DS_CLASS_C_DEC
42
43#ifdef _GLIBCXX_DEBUG
44
45PB_DS_CLASS_T_DEC
46void
47PB_DS_CLASS_C_DEC::
48assert_valid(const char* __file, int __line) const
49{
50 PB_DS_DEBUG_VERIFY(m_p_root == 0 || m_p_root->m_p_prev_or_parent == 0);
51
52 if (m_p_root != 0)
53 assert_node_consistent(m_p_root, Single_Link_Roots, __file, __line);
54 assert_size(__file, __line);
55 assert_iterators(__file, __line);
56}
57
58PB_DS_CLASS_T_DEC
59void
60PB_DS_CLASS_C_DEC::
61assert_node_consistent(node_const_pointer p_nd, bool single_link,
62 const char* __file, int __line) const
63{
64 if (p_nd == 0)
65 return;
66
67 assert_node_consistent(p_nd->m_p_l_child, false, __file, __line);
68 assert_node_consistent(p_nd->m_p_next_sibling, single_link, __file, __line);
69
70 if (single_link)
71 PB_DS_DEBUG_VERIFY(p_nd->m_p_prev_or_parent == 0);
72 else if (p_nd->m_p_next_sibling != 0)
73 PB_DS_DEBUG_VERIFY(p_nd->m_p_next_sibling->m_p_prev_or_parent == p_nd);
74
75 if (p_nd->m_p_l_child == 0)
76 return;
77
78 node_const_pointer p_child = p_nd->m_p_l_child;
79 while (p_child != 0)
80 {
81 node_const_pointer p_next_child = p_child->m_p_next_sibling;
82 PB_DS_DEBUG_VERIFY(!Cmp_Fn::operator()(p_nd->m_value, p_child->m_value));
83 p_child = p_next_child;
84 }
85 PB_DS_DEBUG_VERIFY(p_nd->m_p_l_child->m_p_prev_or_parent == p_nd);
86}
87
88PB_DS_CLASS_T_DEC
89void
90PB_DS_CLASS_C_DEC::
91assert_iterators(const char* __file, int __line) const
92{
93 PB_DS_DEBUG_VERIFY(std::distance(begin(), end()) == size());
94}
95
96PB_DS_CLASS_T_DEC
97void
98PB_DS_CLASS_C_DEC::
99assert_size(const char* __file, int __line) const
100{
101 PB_DS_DEBUG_VERIFY(size_from_node(m_p_root) == m_size);
102}
103
104PB_DS_CLASS_T_DEC
105typename PB_DS_CLASS_C_DEC::size_type
106PB_DS_CLASS_C_DEC::
107size_under_node(node_const_pointer p_nd)
108{ return 1 + size_from_node(p_nd->m_p_l_child); }
109
110PB_DS_CLASS_T_DEC
111typename PB_DS_CLASS_C_DEC::size_type
112PB_DS_CLASS_C_DEC::
113size_from_node(node_const_pointer p_nd)
114{
115 size_type ret = 0;
116 while (p_nd != 0)
117 {
118 ret += 1 + size_from_node(p_nd->m_p_l_child);
119 p_nd = p_nd->m_p_next_sibling;
120 }
121 return ret;
122}
123
124PB_DS_CLASS_T_DEC
125typename PB_DS_CLASS_C_DEC::size_type
126PB_DS_CLASS_C_DEC::
127degree(node_const_pointer p_nd)
128{
129 size_type ret = 0;
130 node_const_pointer p_child = p_nd->m_p_l_child;
131 while (p_child != 0)
132 {
133 ++ret;
134 p_child = p_child->m_p_next_sibling;
135 }
136 return ret;
137}
138
139#endif
140#endif
std::distance
constexpr iterator_traits< _InputIterator >::difference_type distance(_InputIterator __first, _InputIterator __last)
A generalization of pointer arithmetic.
Definition stl_iterator_base_funcs.h:178