mingw/lib/gcc/mingw32/4.3.3/include/c++/ext/pb_ds/detail/thin_heap_/debug_fn_imps.hpp

   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 for thin_heap_.
  45  */
  46
  47 #ifdef _GLIBCXX_DEBUG
  48
  49 PB_DS_CLASS_T_DEC
  50 void
  51 PB_DS_CLASS_C_DEC::
  52 assert_valid() const
  53 {
  54   base_type::assert_valid();
  55   assert_node_consistent(base_type::m_p_root, true);
  56   assert_max();
  57   assert_aux_null();
  58 }
  59
  60 PB_DS_CLASS_T_DEC
  61 void
  62 PB_DS_CLASS_C_DEC::
  63 assert_aux_null() const
  64 {
  65   for (size_type i = 0; i < max_rank; ++i)
  66     _GLIBCXX_DEBUG_ASSERT(m_a_aux[i] == NULL);
  67 }
  68
  69 PB_DS_CLASS_T_DEC
  70 void
  71 PB_DS_CLASS_C_DEC::
  72 assert_max() const
  73 {
  74   if (m_p_max == NULL)
  75     {
  76       _GLIBCXX_DEBUG_ASSERT(base_type::empty());
  77       return;
  78     }
  79
  80   _GLIBCXX_DEBUG_ASSERT(!base_type::empty());
  81   _GLIBCXX_DEBUG_ASSERT(base_type::parent(m_p_max) == NULL);
  82   _GLIBCXX_DEBUG_ASSERT(m_p_max->m_p_prev_or_parent == NULL);
  83   for (const_iterator it = base_type::begin(); it != base_type::end(); ++it)
  84     _GLIBCXX_DEBUG_ASSERT(!Cmp_Fn::operator()(m_p_max->m_value, it.m_p_nd->m_value));
  85 }
  86
  87 PB_DS_CLASS_T_DEC
  88 void
  89 PB_DS_CLASS_C_DEC::
  90 assert_node_consistent(const_node_pointer p_nd, bool root) const
  91 {
  92   base_type::assert_node_consistent(p_nd, root);
  93   if (p_nd == NULL)
  94     return;
  95
  96   assert_node_consistent(p_nd->m_p_next_sibling, root);
  97   assert_node_consistent(p_nd->m_p_l_child, false);
  98   if (!root)
  99     {
 100       if (p_nd->m_metadata == 0)
 101         _GLIBCXX_DEBUG_ASSERT(p_nd->m_p_next_sibling == NULL);
 102       else
 103         _GLIBCXX_DEBUG_ASSERT(p_nd->m_metadata == p_nd->m_p_next_sibling->m_metadata + 1);
 104     }
 105
 106   if (p_nd->m_p_l_child != NULL)
 107     _GLIBCXX_DEBUG_ASSERT(p_nd->m_p_l_child->m_metadata + 1 == base_type::degree(p_nd));
 108
 109   const bool unmarked_valid =(p_nd->m_p_l_child == NULL&&  p_nd->m_metadata == 0) ||(p_nd->m_p_l_child != NULL&&  p_nd->m_metadata == p_nd->m_p_l_child->m_metadata + 1);
 110
 111   const bool marked_valid =(p_nd->m_p_l_child == NULL&&  p_nd->m_metadata == 1) ||(p_nd->m_p_l_child != NULL&&  p_nd->m_metadata == p_nd->m_p_l_child->m_metadata + 2);
 112
 113   _GLIBCXX_DEBUG_ASSERT(unmarked_valid || marked_valid);
 114   if (root)
 115     _GLIBCXX_DEBUG_ASSERT(unmarked_valid);
 116 }
 117
 118 #endif