rc_binomial_heap_/erase_fn_imps.hpp
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// -*- C++ -*-
// Copyright (C) 2005-2018 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 rc_binomial_heap_/erase_fn_imps.hpp
* Contains an implementation for rc_binomial_heap_.
*/
PB_DS_CLASS_T_DEC
inline void
PB_DS_CLASS_C_DEC::
pop()
{
make_binomial_heap();
_GLIBCXX_DEBUG_ASSERT(!base_type::empty());
base_type::pop();
base_type::find_max();
}
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
clear()
{
base_type::clear();
m_rc.clear();
}
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
make_binomial_heap()
{
node_pointer p_nd = base_type::m_p_root;
while (p_nd != 0)
{
node_pointer p_next = p_nd->m_p_next_sibling;
if (p_next == 0)
p_nd = p_next;
else if (p_nd->m_metadata == p_next->m_metadata)
p_nd = link_with_next_sibling(p_nd);
else if (p_nd->m_metadata < p_next->m_metadata)
p_nd = p_next;
#ifdef _GLIBCXX_DEBUG
else
_GLIBCXX_DEBUG_ASSERT(0);
#endif
}
m_rc.clear();
}
PB_DS_CLASS_T_DEC
template<typename Pred>
typename PB_DS_CLASS_C_DEC::size_type
PB_DS_CLASS_C_DEC::
erase_if(Pred pred)
{
make_binomial_heap();
const size_type ersd = base_type::erase_if(pred);
base_type::find_max();
PB_DS_ASSERT_VALID((*this))
return ersd;
}
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
erase(point_iterator it)
{
make_binomial_heap();
base_type::erase(it);
base_type::find_max();
}