libstdc++
left_child_next_sibling_heap_/debug_fn_imps.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005-2022 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
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13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
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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
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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 
45 PB_DS_CLASS_T_DEC
46 void
47 PB_DS_CLASS_C_DEC::
48 assert_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 
58 PB_DS_CLASS_T_DEC
59 void
60 PB_DS_CLASS_C_DEC::
61 assert_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 
88 PB_DS_CLASS_T_DEC
89 void
90 PB_DS_CLASS_C_DEC::
91 assert_iterators(const char* __file, int __line) const
92 {
93  PB_DS_DEBUG_VERIFY(std::distance(begin(), end()) == size());
94 }
95 
96 PB_DS_CLASS_T_DEC
97 void
98 PB_DS_CLASS_C_DEC::
99 assert_size(const char* __file, int __line) const
100 {
101  PB_DS_DEBUG_VERIFY(size_from_node(m_p_root) == m_size);
102 }
103 
104 PB_DS_CLASS_T_DEC
105 typename PB_DS_CLASS_C_DEC::size_type
106 PB_DS_CLASS_C_DEC::
107 size_under_node(node_const_pointer p_nd)
108 { return 1 + size_from_node(p_nd->m_p_l_child); }
109 
110 PB_DS_CLASS_T_DEC
111 typename PB_DS_CLASS_C_DEC::size_type
112 PB_DS_CLASS_C_DEC::
113 size_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 
124 PB_DS_CLASS_T_DEC
125 typename PB_DS_CLASS_C_DEC::size_type
126 PB_DS_CLASS_C_DEC::
127 degree(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
constexpr iterator_traits< _InputIterator >::difference_type distance(_InputIterator __first, _InputIterator __last)
A generalization of pointer arithmetic.
constexpr const _Tp * begin(initializer_list< _Tp > __ils) noexcept
Return an iterator pointing to the first element of the initializer_list.
constexpr const _Tp * end(initializer_list< _Tp > __ils) noexcept
Return an iterator pointing to one past the last element of the initializer_list.