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  • only in /macosx-10.10.1/libstdcxx-104.1/include/c++/4.2.1/ext/pb_ds/detail/binomial_heap_base_/
1// -*- C++ -*-
2
3// Copyright (C) 2005, 2006 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 2, 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// You should have received a copy of the GNU General Public License
17// along with this library; see the file COPYING.  If not, write to
18// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19// MA 02111-1307, USA.
20
21// As a special exception, you may use this file as part of a free
22// software library without restriction.  Specifically, if other files
23// instantiate templates or use macros or inline functions from this
24// file, or you compile this file and link it with other files to
25// produce an executable, this file does not by itself cause the
26// resulting executable to be covered by the GNU General Public
27// License.  This exception does not however invalidate any other
28// reasons why the executable file might be covered by the GNU General
29// Public License.
30
31// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
32
33// Permission to use, copy, modify, sell, and distribute this software
34// is hereby granted without fee, provided that the above copyright
35// notice appears in all copies, and that both that copyright notice
36// and this permission notice appear in supporting documentation. None
37// of the above authors, nor IBM Haifa Research Laboratories, make any
38// representation about the suitability of this software for any
39// purpose. It is provided "as is" without express or implied
40// warranty.
41
42/**
43 * @file debug_fn_imps.hpp
44 * Contains an implementation class for a base of binomial heaps.
45 */
46
47#ifdef _GLIBCXX_DEBUG
48
49PB_DS_CLASS_T_DEC
50void
51PB_DS_CLASS_C_DEC::
52assert_valid(bool strictly_binomial) const
53{
54  base_type::assert_valid();
55  assert_node_consistent(base_type::m_p_root, strictly_binomial, true);
56  assert_max();
57}
58
59PB_DS_CLASS_T_DEC
60void
61PB_DS_CLASS_C_DEC::
62assert_max() const
63{
64  if (m_p_max == NULL)
65    return;
66  _GLIBCXX_DEBUG_ASSERT(base_type::parent(m_p_max) == NULL);
67  for (const_iterator it = base_type::begin(); it != base_type::end(); ++it)
68    _GLIBCXX_DEBUG_ASSERT(!Cmp_Fn::operator()(m_p_max->m_value, it.m_p_nd->m_value));
69}
70
71PB_DS_CLASS_T_DEC
72void
73PB_DS_CLASS_C_DEC::
74assert_node_consistent(const_node_pointer p_nd, bool strictly_binomial, bool increasing) const
75{
76  _GLIBCXX_DEBUG_ASSERT(increasing || strictly_binomial);
77  base_type::assert_node_consistent(p_nd, false);
78  if (p_nd == NULL)
79    return;
80  _GLIBCXX_DEBUG_ASSERT(p_nd->m_metadata == base_type::degree(p_nd));
81  _GLIBCXX_DEBUG_ASSERT(base_type::size_under_node(p_nd) ==
82		   static_cast<size_type>(1 << p_nd->m_metadata));
83  assert_node_consistent(p_nd->m_p_next_sibling, strictly_binomial, increasing);
84  assert_node_consistent(p_nd->m_p_l_child, true, false);
85  if (p_nd->m_p_next_sibling != NULL)
86    if (increasing)
87      {
88	if (strictly_binomial)
89	  _GLIBCXX_DEBUG_ASSERT(p_nd->m_metadata < p_nd->m_p_next_sibling->m_metadata);
90	else
91	  _GLIBCXX_DEBUG_ASSERT(p_nd->m_metadata <= p_nd->m_p_next_sibling->m_metadata);
92      }
93    else
94      _GLIBCXX_DEBUG_ASSERT(p_nd->m_metadata > p_nd->m_p_next_sibling->m_metadata);
95}
96
97#endif
98