libstdc++-v3/include/ext/pb_ds/detail/binomial_heap_base_/debug_fn_imps.hpp

   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 binomial_heap_base_/debug_fn_imps.hpp
  38  * Contains an implementation class for a base of binomial heaps.
  39  */
  40
  41 #ifdef _GLIBCXX_DEBUG
  42
  43 PB_DS_CLASS_T_DEC
  44 void
  45 PB_DS_CLASS_C_DEC::
  46 assert_valid(bool strictly_binomial, const char* __file, int __line) const
  47 {
  48   base_type::assert_valid(__file, __line);
  49   assert_node_consistent(base_type::m_p_root, strictly_binomial, true,
  50                          __file, __line);
  51   assert_max(__file, __line);
  52 }
  53
  54 PB_DS_CLASS_T_DEC
  55 void
  56 PB_DS_CLASS_C_DEC::
  57 assert_max(const char* __file, int __line) const
  58 {
  59   if (m_p_max == 0)
  60     return;
  61   PB_DS_DEBUG_VERIFY(base_type::parent(m_p_max) == 0);
  62   for (const_iterator it = base_type::begin(); it != base_type::end(); ++it)
  63     PB_DS_DEBUG_VERIFY(!Cmp_Fn::operator()(m_p_max->m_value,
  64                                            it.m_p_nd->m_value));
  65 }
  66
  67 PB_DS_CLASS_T_DEC
  68 void
  69 PB_DS_CLASS_C_DEC::
  70 assert_node_consistent(node_const_pointer p_nd, bool strictly_binomial,
  71                        bool increasing, const char* __file, int __line) const
  72 {
  73   PB_DS_DEBUG_VERIFY(increasing || strictly_binomial);
  74   base_type::assert_node_consistent(p_nd, false, __file, __line);
  75   if (p_nd == 0)
  76     return;
  77   PB_DS_DEBUG_VERIFY(p_nd->m_metadata == base_type::degree(p_nd));
  78   PB_DS_DEBUG_VERIFY(base_type::size_under_node(p_nd) ==
  79                    static_cast<size_type>(1 << p_nd->m_metadata));
  80   assert_node_consistent(p_nd->m_p_next_sibling, strictly_binomial, increasing,
  81                          __file, __line);
  82   assert_node_consistent(p_nd->m_p_l_child, true, false, __file, __line);
  83   if (p_nd->m_p_next_sibling != 0)
  84     {
  85       if (increasing)
  86         {
  87           if (strictly_binomial)
  88             PB_DS_DEBUG_VERIFY(p_nd->m_metadata
  89                                   < p_nd->m_p_next_sibling->m_metadata);
  90           else
  91             PB_DS_DEBUG_VERIFY(p_nd->m_metadata
  92                                   <= p_nd->m_p_next_sibling->m_metadata);
  93         }
  94       else
  95         PB_DS_DEBUG_VERIFY(p_nd->m_metadata
  96                               > p_nd->m_p_next_sibling->m_metadata);
  97     }
  98 }
  99
 100 #endif