1 // -*- C++ -*- 2 3 // Copyright (C) 2005-2013 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 bin_search_tree_/find_fn_imps.hpp 38 * Contains an implementation class for bin_search_tree_. 39 */ 40 41 PB_DS_CLASS_T_DEC 42 inline typename PB_DS_CLASS_C_DEC::point_const_iterator 43 PB_DS_CLASS_C_DEC:: 44 lower_bound(key_const_reference r_key) const 45 { 46 node_pointer p_pot = m_p_head; 47 node_pointer p_nd = m_p_head->m_p_parent; 48 49 while (p_nd != 0) 50 if (Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key)) 51 p_nd = p_nd->m_p_right; 52 else 53 { 54 p_pot = p_nd; 55 p_nd = p_nd->m_p_left; 56 } 57 return iterator(p_pot); 58 } 59 60 PB_DS_CLASS_T_DEC 61 inline typename PB_DS_CLASS_C_DEC::point_iterator 62 PB_DS_CLASS_C_DEC:: 63 lower_bound(key_const_reference r_key) 64 { 65 node_pointer p_pot = m_p_head; 66 node_pointer p_nd = m_p_head->m_p_parent; 67 68 while (p_nd != 0) 69 if (Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key)) 70 p_nd = p_nd->m_p_right; 71 else 72 { 73 p_pot = p_nd; 74 p_nd = p_nd->m_p_left; 75 } 76 return iterator(p_pot); 77 } 78 79 PB_DS_CLASS_T_DEC 80 inline typename PB_DS_CLASS_C_DEC::point_const_iterator 81 PB_DS_CLASS_C_DEC:: 82 upper_bound(key_const_reference r_key) const 83 { 84 node_pointer p_pot = m_p_head; 85 node_pointer p_nd = m_p_head->m_p_parent; 86 87 while (p_nd != 0) 88 if (Cmp_Fn::operator()(r_key, PB_DS_V2F(p_nd->m_value))) 89 { 90 p_pot = p_nd; 91 p_nd = p_nd->m_p_left; 92 } 93 else 94 p_nd = p_nd->m_p_right; 95 return const_iterator(p_pot); 96 } 97 98 PB_DS_CLASS_T_DEC 99 inline typename PB_DS_CLASS_C_DEC::point_iterator 100 PB_DS_CLASS_C_DEC:: 101 upper_bound(key_const_reference r_key) 102 { 103 node_pointer p_pot = m_p_head; 104 node_pointer p_nd = m_p_head->m_p_parent; 105 106 while (p_nd != 0) 107 if (Cmp_Fn::operator()(r_key, PB_DS_V2F(p_nd->m_value))) 108 { 109 p_pot = p_nd; 110 p_nd = p_nd->m_p_left; 111 } 112 else 113 p_nd = p_nd->m_p_right; 114 return point_iterator(p_pot); 115 } 116 117 PB_DS_CLASS_T_DEC 118 inline typename PB_DS_CLASS_C_DEC::point_iterator 119 PB_DS_CLASS_C_DEC:: 120 find(key_const_reference r_key) 121 { 122 PB_DS_STRUCT_ONLY_ASSERT_VALID((*this)) 123 node_pointer p_pot = m_p_head; 124 node_pointer p_nd = m_p_head->m_p_parent; 125 126 while (p_nd != 0) 127 if (!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key)) 128 { 129 p_pot = p_nd; 130 p_nd = p_nd->m_p_left; 131 } 132 else 133 p_nd = p_nd->m_p_right; 134 135 node_pointer ret = p_pot; 136 if (p_pot != m_p_head) 137 { 138 const bool __cmp = Cmp_Fn::operator()(r_key, PB_DS_V2F(p_pot->m_value)); 139 if (__cmp) 140 ret = m_p_head; 141 } 142 return point_iterator(ret); 143 } 144 145 PB_DS_CLASS_T_DEC 146 inline typename PB_DS_CLASS_C_DEC::point_const_iterator 147 PB_DS_CLASS_C_DEC:: 148 find(key_const_reference r_key) const 149 { 150 PB_DS_STRUCT_ONLY_ASSERT_VALID((*this)) 151 node_pointer p_pot = m_p_head; 152 node_pointer p_nd = m_p_head->m_p_parent; 153 154 while (p_nd != 0) 155 if (!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key)) 156 { 157 p_pot = p_nd; 158 p_nd = p_nd->m_p_left; 159 } 160 else 161 p_nd = p_nd->m_p_right; 162 163 node_pointer ret = p_pot; 164 if (p_pot != m_p_head) 165 { 166 const bool __cmp = Cmp_Fn::operator()(r_key, PB_DS_V2F(p_pot->m_value)); 167 if (__cmp) 168 ret = m_p_head; 169 } 170 return point_const_iterator(ret); 171 } 172
