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
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 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::
assert_valid(const char * __file,int __line) const48 assert_valid(const char* __file, int __line) const
49 {
50   base_type::assert_valid(false, __file, __line);
51   if (!base_type::empty())
52     {
53       PB_DS_DEBUG_VERIFY(base_type::m_p_max != 0);
54       base_type::assert_max(__file, __line);
55     }
56 
57   m_rc.assert_valid(__file, __line);
58 
59   if (m_rc.empty())
60     {
61       base_type::assert_valid(true, __file, __line);
62       PB_DS_DEBUG_VERIFY(next_2_pointer(base_type::m_p_root) == 0);
63       return;
64     }
65 
66   node_const_pointer p_nd = next_2_pointer(base_type::m_p_root);
67   typename rc_t::const_iterator it = m_rc.end();
68   --it;
69 
70   while (p_nd != 0)
71     {
72       PB_DS_DEBUG_VERIFY(*it == p_nd);
73       node_const_pointer p_next = p_nd->m_p_next_sibling;
74       PB_DS_DEBUG_VERIFY(p_next != 0);
75       PB_DS_DEBUG_VERIFY(p_nd->m_metadata == p_next->m_metadata);
76       PB_DS_DEBUG_VERIFY(p_next->m_p_next_sibling == 0 ||
77                            p_next->m_metadata < p_next->m_p_next_sibling->m_metadata);
78 
79       --it;
80       p_nd = next_2_pointer(next_after_0_pointer(p_nd));
81     }
82   PB_DS_DEBUG_VERIFY(it + 1 == m_rc.begin());
83 }
84 
85 PB_DS_CLASS_T_DEC
86 typename PB_DS_CLASS_C_DEC::node_const_pointer
87 PB_DS_CLASS_C_DEC::
next_2_pointer(node_const_pointer p_nd)88 next_2_pointer(node_const_pointer p_nd)
89 {
90   if (p_nd == 0)
91     return 0;
92 
93   node_pointer p_next = p_nd->m_p_next_sibling;
94 
95   if (p_next == 0)
96     return 0;
97 
98   if (p_nd->m_metadata == p_next->m_metadata)
99     return p_nd;
100 
101   return next_2_pointer(p_next);
102 }
103 
104 PB_DS_CLASS_T_DEC
105 typename PB_DS_CLASS_C_DEC::node_const_pointer
106 PB_DS_CLASS_C_DEC::
next_after_0_pointer(node_const_pointer p_nd)107 next_after_0_pointer(node_const_pointer p_nd)
108 {
109   if (p_nd == 0)
110     return 0;
111 
112   node_pointer p_next = p_nd->m_p_next_sibling;
113 
114   if (p_next == 0)
115     return 0;
116 
117   if (p_nd->m_metadata < p_next->m_metadata)
118     return p_next;
119 
120   return next_after_0_pointer(p_next);
121 }
122 
123 #endif
124 #endif
125