Subversion Repositories openrisc_2011-10-31

// -*- C++ -*-

// Copyright (C) 2005, 2006, 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 insert_fn_imps.hpp

 * Contains an implementation class for a pairing heap.

 */

PB_DS_CLASS_T_DEC

inline typename PB_DS_CLASS_C_DEC::point_iterator

PB_DS_CLASS_C_DEC::

push(const_reference r_val)

{

  _GLIBCXX_DEBUG_ONLY(assert_valid();)

    node_pointer p_new_nd = base_type::get_new_node_for_insert(r_val);

  push_imp(p_new_nd);

  _GLIBCXX_DEBUG_ONLY(assert_valid();)

    return point_iterator(p_new_nd);

}

PB_DS_CLASS_T_DEC

inline void

PB_DS_CLASS_C_DEC::

push_imp(node_pointer p_nd)

{

  p_nd->m_p_l_child = NULL;

  if (base_type::m_p_root == NULL)

    {

      p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = NULL;

      base_type::m_p_root = p_nd;

    }

  else if (Cmp_Fn::operator()(base_type::m_p_root->m_value, p_nd->m_value))

    {

      p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = NULL;

      base_type::make_child_of(base_type::m_p_root, p_nd);

      _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd, false));

      base_type::m_p_root = p_nd;

    }

  else

    {

      base_type::make_child_of(p_nd, base_type::m_p_root);

      _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(base_type::m_p_root, false));

    }

}

PB_DS_CLASS_T_DEC

void

PB_DS_CLASS_C_DEC::

modify(point_iterator it, const_reference r_new_val)

{

  _GLIBCXX_DEBUG_ONLY(assert_valid();)

    remove_node(it.m_p_nd);

  it.m_p_nd->m_value = r_new_val;

  push_imp(it.m_p_nd);

  _GLIBCXX_DEBUG_ONLY(assert_valid();)

    }