1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006 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 2, 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// You should have received a copy of the GNU General Public License 17// along with this library; see the file COPYING. If not, write to 18// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, 19// MA 02111-1307, USA. 20 21// As a special exception, you may use this file as part of a free 22// software library without restriction. Specifically, if other files 23// instantiate templates or use macros or inline functions from this 24// file, or you compile this file and link it with other files to 25// produce an executable, this file does not by itself cause the 26// resulting executable to be covered by the GNU General Public 27// License. This exception does not however invalidate any other 28// reasons why the executable file might be covered by the GNU General 29// Public License. 30 31// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 32 33// Permission to use, copy, modify, sell, and distribute this software 34// is hereby granted without fee, provided that the above copyright 35// notice appears in all copies, and that both that copyright notice 36// and this permission notice appear in supporting documentation. None 37// of the above authors, nor IBM Haifa Research Laboratories, make any 38// representation about the suitability of this software for any 39// purpose. It is provided "as is" without express or implied 40// warranty. 41 42/** 43 * @file insert_fn_imps.hpp 44 * Contains an implementation class for a pairing heap. 45 */ 46 47PB_DS_CLASS_T_DEC 48inline typename PB_DS_CLASS_C_DEC::point_iterator 49PB_DS_CLASS_C_DEC:: 50push(const_reference r_val) 51{ 52 _GLIBCXX_DEBUG_ONLY(assert_valid();) 53 54 node_pointer p_new_nd = base_type::get_new_node_for_insert(r_val); 55 56 push_imp(p_new_nd); 57 58 _GLIBCXX_DEBUG_ONLY(assert_valid();) 59 60 return point_iterator(p_new_nd); 61} 62 63PB_DS_CLASS_T_DEC 64inline void 65PB_DS_CLASS_C_DEC:: 66push_imp(node_pointer p_nd) 67{ 68 p_nd->m_p_l_child = NULL; 69 70 if (base_type::m_p_root == NULL) 71 { 72 p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = NULL; 73 74 base_type::m_p_root = p_nd; 75 } 76 else if (Cmp_Fn::operator()(base_type::m_p_root->m_value, p_nd->m_value)) 77 { 78 p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = NULL; 79 80 base_type::make_child_of(base_type::m_p_root, p_nd); 81 _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd, false)); 82 83 base_type::m_p_root = p_nd; 84 } 85 else 86 { 87 base_type::make_child_of(p_nd, base_type::m_p_root); 88 _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(base_type::m_p_root, false)); 89 } 90} 91 92PB_DS_CLASS_T_DEC 93void 94PB_DS_CLASS_C_DEC:: 95modify(point_iterator it, const_reference r_new_val) 96{ 97 _GLIBCXX_DEBUG_ONLY(assert_valid();) 98 99 remove_node(it.m_p_nd); 100 101 it.m_p_nd->m_value = r_new_val; 102 103 push_imp(it.m_p_nd); 104 105 _GLIBCXX_DEBUG_ONLY(assert_valid();) 106 } 107 108