release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/arm-brcm-linux-uclibcgnueabi/include/c++/4.5.3/ext/pb_ds/detail/pairing_heap_/insert_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006, 2009 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 3, 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 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License and
  21 // a copy of the GCC Runtime Library Exception along with this program;
  22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  26
  27 // Permission to use, copy, modify, sell, and distribute this software
  28 // is hereby granted without fee, provided that the above copyright
  29 // notice appears in all copies, and that both that copyright notice
  30 // and this permission notice appear in supporting documentation. None
  31 // of the above authors, nor IBM Haifa Research Laboratories, make any
  32 // representation about the suitability of this software for any
  33 // purpose. It is provided "as is" without express or implied
  34 // warranty.
  35
  36 /**
  37  * @file insert_fn_imps.hpp
  38  * Contains an implementation class for a pairing heap.
  39  */
  40
  41 PB_DS_CLASS_T_DEC
  42 inline typename PB_DS_CLASS_C_DEC::point_iterator
  43 PB_DS_CLASS_C_DEC::
  44 push(const_reference r_val)
  45 {
  46   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  47
  48     node_pointer p_new_nd = base_type::get_new_node_for_insert(r_val);
  49
  50   push_imp(p_new_nd);
  51
  52   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  53
  54     return point_iterator(p_new_nd);
  55 }
  56
  57 PB_DS_CLASS_T_DEC
  58 inline void
  59 PB_DS_CLASS_C_DEC::
  60 push_imp(node_pointer p_nd)
  61 {
  62   p_nd->m_p_l_child = NULL;
  63
  64   if (base_type::m_p_root == NULL)
  65     {
  66       p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = NULL;
  67
  68       base_type::m_p_root = p_nd;
  69     }
  70   else if (Cmp_Fn::operator()(base_type::m_p_root->m_value, p_nd->m_value))
  71     {
  72       p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = NULL;
  73
  74       base_type::make_child_of(base_type::m_p_root, p_nd);
  75       _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd, false));
  76
  77       base_type::m_p_root = p_nd;
  78     }
  79   else
  80     {
  81       base_type::make_child_of(p_nd, base_type::m_p_root);
  82       _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(base_type::m_p_root, false));
  83     }
  84 }
  85
  86 PB_DS_CLASS_T_DEC
  87 void
  88 PB_DS_CLASS_C_DEC::
  89 modify(point_iterator it, const_reference r_new_val)
  90 {
  91   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  92
  93     remove_node(it.m_p_nd);
  94
  95   it.m_p_nd->m_value = r_new_val;
  96
  97   push_imp(it.m_p_nd);
  98
  99   _GLIBCXX_DEBUG_ONLY(assert_valid();)
 100     }
 101