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// -*- C++ -*-
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License as published by the Free Software
// Foundation; either version 3, or (at your option) any later
// version.
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @file debug_fn_imps.hpp
* Contains an implementation class for a base of binomial heaps.
*/
#ifdef _GLIBCXX_DEBUG
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
assert_valid(bool strictly_binomial) const
{
base_type::assert_valid();
assert_node_consistent(base_type::m_p_root, strictly_binomial, true);
assert_max();
}
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
assert_max() const
{
if (m_p_max == NULL)
return;
_GLIBCXX_DEBUG_ASSERT(base_type::parent(m_p_max) == NULL);
for (const_iterator it = base_type::begin(); it != base_type::end(); ++it)
_GLIBCXX_DEBUG_ASSERT(!Cmp_Fn::operator()(m_p_max->m_value,
it.m_p_nd->m_value));
}
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
assert_node_consistent(const_node_pointer p_nd, bool strictly_binomial,
bool increasing) const
{
_GLIBCXX_DEBUG_ASSERT(increasing || strictly_binomial);
base_type::assert_node_consistent(p_nd, false);
if (p_nd == NULL)
return;
_GLIBCXX_DEBUG_ASSERT(p_nd->m_metadata == base_type::degree(p_nd));
_GLIBCXX_DEBUG_ASSERT(base_type::size_under_node(p_nd) ==
static_cast<size_type>(1 << p_nd->m_metadata));
assert_node_consistent(p_nd->m_p_next_sibling, strictly_binomial, increasing);
assert_node_consistent(p_nd->m_p_l_child, true, false);
if (p_nd->m_p_next_sibling != NULL)
{
if (increasing)
{
if (strictly_binomial)
_GLIBCXX_DEBUG_ASSERT(p_nd->m_metadata
< p_nd->m_p_next_sibling->m_metadata);
else
_GLIBCXX_DEBUG_ASSERT(p_nd->m_metadata
<= p_nd->m_p_next_sibling->m_metadata);
}
else
_GLIBCXX_DEBUG_ASSERT(p_nd->m_metadata
> p_nd->m_p_next_sibling->m_metadata);
}
}
#endif
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