libstdc++

rc_binomial_heap_/debug_fn_imps.hpp
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1 // -*- C++ -*-
2
3 // Copyright (C) 2005-2013 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 rc_binomial_heap_/debug_fn_imps.hpp
38 * Contains an implementation for rc_binomial_heap_.
39 */
40
41 #ifdef _GLIBCXX_DEBUG
42
43 PB_DS_CLASS_T_DEC
44 void
45 PB_DS_CLASS_C_DEC::
46 assert_valid(const char* __file, int __line) const
47 {
48 base_type::assert_valid(false, __file, __line);
49 if (!base_type::empty())
50 {
51 PB_DS_DEBUG_VERIFY(base_type::m_p_max != 0);
52 base_type::assert_max(__file, __line);
53 }
54
55 m_rc.assert_valid(__file, __line);
56
57 if (m_rc.empty())
58 {
59 base_type::assert_valid(true, __file, __line);
60 PB_DS_DEBUG_VERIFY(next_2_pointer(base_type::m_p_root) == 0);
61 return;
62 }
63
64 node_const_pointer p_nd = next_2_pointer(base_type::m_p_root);
65 typename rc_t::const_iterator it = m_rc.end();
66 --it;
67
68 while (p_nd != 0)
69 {
70 PB_DS_DEBUG_VERIFY(*it == p_nd);
71 node_const_pointer p_next = p_nd->m_p_next_sibling;
72 PB_DS_DEBUG_VERIFY(p_next != 0);
73 PB_DS_DEBUG_VERIFY(p_nd->m_metadata == p_next->m_metadata);
74 PB_DS_DEBUG_VERIFY(p_next->m_p_next_sibling == 0 ||
75 p_next->m_metadata < p_next->m_p_next_sibling->m_metadata);
76
77 --it;
78 p_nd = next_2_pointer(next_after_0_pointer(p_nd));
79 }
80 PB_DS_DEBUG_VERIFY(it + 1 == m_rc.begin());
81 }
82
83 PB_DS_CLASS_T_DEC
84 typename PB_DS_CLASS_C_DEC::node_const_pointer
85 PB_DS_CLASS_C_DEC::
86 next_2_pointer(node_const_pointer p_nd)
87 {
88 if (p_nd == 0)
89 return 0;
90
91 node_pointer p_next = p_nd->m_p_next_sibling;
92
93 if (p_next == 0)
94 return 0;
95
96 if (p_nd->m_metadata == p_next->m_metadata)
97 return p_nd;
98
99 return next_2_pointer(p_next);
100 }
101
102 PB_DS_CLASS_T_DEC
103 typename PB_DS_CLASS_C_DEC::node_const_pointer
104 PB_DS_CLASS_C_DEC::
105 next_after_0_pointer(node_const_pointer p_nd)
106 {
107 if (p_nd == 0)
108 return 0;
109
110 node_pointer p_next = p_nd->m_p_next_sibling;
111
112 if (p_next == 0)
113 return 0;
114
115 if (p_nd->m_metadata < p_next->m_metadata)
116 return p_next;
117
118 return next_after_0_pointer(p_next);
119 }
120
121 #endif