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4569a895 AT |
1 | // -*- C++ -*- |
2 | ||
5624e564 | 3 | // Copyright (C) 2005-2015 Free Software Foundation, Inc. |
4569a895 AT |
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 | |
748086b7 | 8 | // Foundation; either version 3, or (at your option) any later |
4569a895 AT |
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 | ||
748086b7 JJ |
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. | |
4569a895 | 19 | |
748086b7 JJ |
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/>. | |
4569a895 AT |
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 | /** | |
a345e45d | 37 | * @file bin_search_tree_/find_fn_imps.hpp |
4569a895 AT |
38 | * Contains an implementation class for bin_search_tree_. |
39 | */ | |
40 | ||
41 | PB_DS_CLASS_T_DEC | |
a345e45d | 42 | inline typename PB_DS_CLASS_C_DEC::point_const_iterator |
4569a895 | 43 | PB_DS_CLASS_C_DEC:: |
a345e45d | 44 | lower_bound(key_const_reference r_key) const |
4569a895 AT |
45 | { |
46 | node_pointer p_pot = m_p_head; | |
47 | node_pointer p_nd = m_p_head->m_p_parent; | |
48 | ||
8fc81078 | 49 | while (p_nd != 0) |
a345e45d | 50 | if (Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key)) |
4569a895 AT |
51 | p_nd = p_nd->m_p_right; |
52 | else | |
53 | { | |
54 | p_pot = p_nd; | |
4569a895 AT |
55 | p_nd = p_nd->m_p_left; |
56 | } | |
a345e45d | 57 | return iterator(p_pot); |
4569a895 AT |
58 | } |
59 | ||
60 | PB_DS_CLASS_T_DEC | |
61 | inline typename PB_DS_CLASS_C_DEC::point_iterator | |
62 | PB_DS_CLASS_C_DEC:: | |
a345e45d | 63 | lower_bound(key_const_reference r_key) |
4569a895 AT |
64 | { |
65 | node_pointer p_pot = m_p_head; | |
66 | node_pointer p_nd = m_p_head->m_p_parent; | |
67 | ||
8fc81078 | 68 | while (p_nd != 0) |
a345e45d | 69 | if (Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key)) |
4569a895 AT |
70 | p_nd = p_nd->m_p_right; |
71 | else | |
72 | { | |
73 | p_pot = p_nd; | |
4569a895 AT |
74 | p_nd = p_nd->m_p_left; |
75 | } | |
a345e45d | 76 | return iterator(p_pot); |
4569a895 AT |
77 | } |
78 | ||
79 | PB_DS_CLASS_T_DEC | |
a345e45d | 80 | inline typename PB_DS_CLASS_C_DEC::point_const_iterator |
4569a895 | 81 | PB_DS_CLASS_C_DEC:: |
a345e45d | 82 | upper_bound(key_const_reference r_key) const |
4569a895 AT |
83 | { |
84 | node_pointer p_pot = m_p_head; | |
85 | node_pointer p_nd = m_p_head->m_p_parent; | |
86 | ||
8fc81078 | 87 | while (p_nd != 0) |
a345e45d | 88 | if (Cmp_Fn::operator()(r_key, PB_DS_V2F(p_nd->m_value))) |
4569a895 | 89 | { |
a345e45d BK |
90 | p_pot = p_nd; |
91 | p_nd = p_nd->m_p_left; | |
4569a895 AT |
92 | } |
93 | else | |
94 | p_nd = p_nd->m_p_right; | |
a345e45d | 95 | return const_iterator(p_pot); |
4569a895 AT |
96 | } |
97 | ||
98 | PB_DS_CLASS_T_DEC | |
99 | inline typename PB_DS_CLASS_C_DEC::point_iterator | |
100 | PB_DS_CLASS_C_DEC:: | |
a345e45d | 101 | upper_bound(key_const_reference r_key) |
4569a895 AT |
102 | { |
103 | node_pointer p_pot = m_p_head; | |
104 | node_pointer p_nd = m_p_head->m_p_parent; | |
105 | ||
8fc81078 | 106 | while (p_nd != 0) |
a345e45d | 107 | if (Cmp_Fn::operator()(r_key, PB_DS_V2F(p_nd->m_value))) |
4569a895 | 108 | { |
a345e45d BK |
109 | p_pot = p_nd; |
110 | p_nd = p_nd->m_p_left; | |
4569a895 AT |
111 | } |
112 | else | |
113 | p_nd = p_nd->m_p_right; | |
a345e45d | 114 | return point_iterator(p_pot); |
4569a895 AT |
115 | } |
116 | ||
117 | PB_DS_CLASS_T_DEC | |
118 | inline typename PB_DS_CLASS_C_DEC::point_iterator | |
119 | PB_DS_CLASS_C_DEC:: | |
a345e45d | 120 | find(key_const_reference r_key) |
4569a895 | 121 | { |
f5886803 | 122 | PB_DS_STRUCT_ONLY_ASSERT_VALID((*this)) |
f5886803 | 123 | node_pointer p_pot = m_p_head; |
4569a895 AT |
124 | node_pointer p_nd = m_p_head->m_p_parent; |
125 | ||
8fc81078 | 126 | while (p_nd != 0) |
4569a895 AT |
127 | if (!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key)) |
128 | { | |
129 | p_pot = p_nd; | |
4569a895 AT |
130 | p_nd = p_nd->m_p_left; |
131 | } | |
132 | else | |
133 | p_nd = p_nd->m_p_right; | |
134 | ||
a345e45d BK |
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); | |
4569a895 AT |
143 | } |
144 | ||
145 | PB_DS_CLASS_T_DEC | |
a345e45d | 146 | inline typename PB_DS_CLASS_C_DEC::point_const_iterator |
4569a895 | 147 | PB_DS_CLASS_C_DEC:: |
a345e45d | 148 | find(key_const_reference r_key) const |
4569a895 | 149 | { |
f5886803 | 150 | PB_DS_STRUCT_ONLY_ASSERT_VALID((*this)) |
f5886803 | 151 | node_pointer p_pot = m_p_head; |
4569a895 AT |
152 | node_pointer p_nd = m_p_head->m_p_parent; |
153 | ||
8fc81078 | 154 | while (p_nd != 0) |
4569a895 AT |
155 | if (!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key)) |
156 | { | |
157 | p_pot = p_nd; | |
4569a895 AT |
158 | p_nd = p_nd->m_p_left; |
159 | } | |
160 | else | |
161 | p_nd = p_nd->m_p_right; | |
162 | ||
a345e45d BK |
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); | |
4569a895 | 171 | } |