libstdc++-v3/include/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 PB_DS_RC_BINOMIAL_HEAP_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
  56   if (!base_type::empty())
  57     {
  58       PB_DS_DBG_ASSERT(base_type::m_p_max != NULL);
  59
  60       base_type::assert_max();
  61     }
  62
  63   m_rc.assert_valid();
  64
  65   if (m_rc.empty())
  66     {
  67       base_type::assert_valid(true);
  68
  69       PB_DS_DBG_ASSERT(next_2_pointer(base_type::m_p_root) == NULL);
  70
  71       return;
  72     }
  73
  74   const_node_pointer p_nd = next_2_pointer(base_type::m_p_root);
  75
  76   typename rc_t::const_iterator it = m_rc.end();
  77   --it;
  78
  79   while (p_nd != NULL)
  80     {
  81       PB_DS_DBG_ASSERT(*it == p_nd);
  82
  83       const_node_pointer p_next = p_nd->m_p_next_sibling;
  84
  85       PB_DS_DBG_ASSERT(p_next != NULL);
  86
  87       PB_DS_DBG_ASSERT(p_nd->m_metadata == p_next->m_metadata);
  88
  89       PB_DS_DBG_ASSERT(p_next->m_p_next_sibling == NULL ||
  90                        p_next->m_metadata < p_next->m_p_next_sibling->m_metadata);
  91
  92       --it;
  93
  94       p_nd = next_2_pointer(next_after_0_pointer(p_nd));
  95     }
  96
  97   PB_DS_DBG_ASSERT(it + 1 == m_rc.begin());
  98 }
  99
 100 PB_DS_CLASS_T_DEC
 101 typename PB_DS_CLASS_C_DEC::const_node_pointer
 102 PB_DS_CLASS_C_DEC::
 103 next_2_pointer(const_node_pointer p_nd)
 104 {
 105   if (p_nd == NULL)
 106     return NULL;
 107
 108   node_pointer p_next = p_nd->m_p_next_sibling;
 109
 110   if (p_next == NULL)
 111     return NULL;
 112
 113   if (p_nd->m_metadata == p_next->m_metadata)
 114     return p_nd;
 115
 116   return next_2_pointer(p_next);
 117 }
 118
 119 PB_DS_CLASS_T_DEC
 120 typename PB_DS_CLASS_C_DEC::const_node_pointer
 121 PB_DS_CLASS_C_DEC::
 122 next_after_0_pointer(const_node_pointer p_nd)
 123 {
 124   if (p_nd == NULL)
 125     return NULL;
 126
 127   node_pointer p_next = p_nd->m_p_next_sibling;
 128
 129   if (p_next == NULL)
 130     return NULL;
 131
 132   if (p_nd->m_metadata < p_next->m_metadata)
 133     return p_next;
 134
 135   return next_after_0_pointer(p_next);
 136 }
 137
 138 #endif // #ifdef PB_DS_RC_BINOMIAL_HEAP__DEBUG_