libstdc++
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00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2005, 2006, 2009, 2010, 2011 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the terms 00007 // of the GNU General Public License as published by the Free Software 00008 // Foundation; either version 3, or (at your option) any later 00009 // version. 00010 00011 // This library is distributed in the hope that it will be useful, but 00012 // WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 // General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 00026 00027 // Permission to use, copy, modify, sell, and distribute this software 00028 // is hereby granted without fee, provided that the above copyright 00029 // notice appears in all copies, and that both that copyright notice 00030 // and this permission notice appear in supporting documentation. None 00031 // of the above authors, nor IBM Haifa Research Laboratories, make any 00032 // representation about the suitability of this software for any 00033 // purpose. It is provided "as is" without express or implied 00034 // warranty. 00035 00036 /** 00037 * @file pairing_heap_/insert_fn_imps.hpp 00038 * Contains an implementation class for a pairing heap. 00039 */ 00040 00041 PB_DS_CLASS_T_DEC 00042 inline typename PB_DS_CLASS_C_DEC::point_iterator 00043 PB_DS_CLASS_C_DEC:: 00044 push(const_reference r_val) 00045 { 00046 PB_DS_ASSERT_VALID((*this)) 00047 node_pointer p_new_nd = base_type::get_new_node_for_insert(r_val); 00048 push_imp(p_new_nd); 00049 PB_DS_ASSERT_VALID((*this)) 00050 return point_iterator(p_new_nd); 00051 } 00052 00053 PB_DS_CLASS_T_DEC 00054 inline void 00055 PB_DS_CLASS_C_DEC:: 00056 push_imp(node_pointer p_nd) 00057 { 00058 p_nd->m_p_l_child = 0; 00059 if (base_type::m_p_root == 0) 00060 { 00061 p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = 0; 00062 base_type::m_p_root = p_nd; 00063 } 00064 else if (Cmp_Fn::operator()(base_type::m_p_root->m_value, p_nd->m_value)) 00065 { 00066 p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = 0; 00067 base_type::make_child_of(base_type::m_p_root, p_nd); 00068 PB_DS_ASSERT_NODE_CONSISTENT(p_nd, false) 00069 base_type::m_p_root = p_nd; 00070 } 00071 else 00072 { 00073 base_type::make_child_of(p_nd, base_type::m_p_root); 00074 PB_DS_ASSERT_NODE_CONSISTENT(base_type::m_p_root, false) 00075 } 00076 } 00077 00078 PB_DS_CLASS_T_DEC 00079 void 00080 PB_DS_CLASS_C_DEC:: 00081 modify(point_iterator it, const_reference r_new_val) 00082 { 00083 PB_DS_ASSERT_VALID((*this)) 00084 remove_node(it.m_p_nd); 00085 it.m_p_nd->m_value = r_new_val; 00086 push_imp(it.m_p_nd); 00087 PB_DS_ASSERT_VALID((*this)) 00088 }