mingw/lib/gcc/mingw32/4.3.3/include/c++/ext/pb_ds/detail/rc_binomial_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 rc_binomial_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(false);
  55   if (!base_type::empty())
  56     {
  57       _GLIBCXX_DEBUG_ASSERT(base_type::m_p_max != NULL);
  58       base_type::assert_max();
  59     }
  60
  61   m_rc.assert_valid();
  62
  63   if (m_rc.empty())
  64     {
  65       base_type::assert_valid(true);
  66       _GLIBCXX_DEBUG_ASSERT(next_2_pointer(base_type::m_p_root) == NULL);
  67       return;
  68     }
  69
  70   const_node_pointer p_nd = next_2_pointer(base_type::m_p_root);
  71   typename rc_t::const_iterator it = m_rc.end();
  72   --it;
  73
  74   while (p_nd != NULL)
  75     {
  76       _GLIBCXX_DEBUG_ASSERT(*it == p_nd);
  77       const_node_pointer p_next = p_nd->m_p_next_sibling;
  78       _GLIBCXX_DEBUG_ASSERT(p_next != NULL);
  79       _GLIBCXX_DEBUG_ASSERT(p_nd->m_metadata == p_next->m_metadata);
  80       _GLIBCXX_DEBUG_ASSERT(p_next->m_p_next_sibling == NULL ||
  81                        p_next->m_metadata < p_next->m_p_next_sibling->m_metadata);
  82
  83       --it;
  84       p_nd = next_2_pointer(next_after_0_pointer(p_nd));
  85     }
  86   _GLIBCXX_DEBUG_ASSERT(it + 1 == m_rc.begin());
  87 }
  88
  89 PB_DS_CLASS_T_DEC
  90 typename PB_DS_CLASS_C_DEC::const_node_pointer
  91 PB_DS_CLASS_C_DEC::
  92 next_2_pointer(const_node_pointer p_nd)
  93 {
  94   if (p_nd == NULL)
  95     return NULL;
  96
  97   node_pointer p_next = p_nd->m_p_next_sibling;
  98
  99   if (p_next == NULL)
 100     return NULL;
 101
 102   if (p_nd->m_metadata == p_next->m_metadata)
 103     return p_nd;
 104
 105   return next_2_pointer(p_next);
 106 }
 107
 108 PB_DS_CLASS_T_DEC
 109 typename PB_DS_CLASS_C_DEC::const_node_pointer
 110 PB_DS_CLASS_C_DEC::
 111 next_after_0_pointer(const_node_pointer p_nd)
 112 {
 113   if (p_nd == NULL)
 114     return NULL;
 115
 116   node_pointer p_next = p_nd->m_p_next_sibling;
 117
 118   if (p_next == NULL)
 119     return NULL;
 120
 121   if (p_nd->m_metadata < p_next->m_metadata)
 122     return p_next;
 123
 124   return next_after_0_pointer(p_next);
 125 }
 126
 127 #endif