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1 | // std::rel_ops implementation -*- C++ -*- |
2 | ||
4312e020 | 3 | // Copyright (C) 2001, 2002, 2004, 2005, 2008 Free Software Foundation, Inc. |
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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 | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU 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, 2009 Free Software Foundation. | |
42526146 | 19 | |
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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/>. | |
42526146 | 24 | |
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25 | /* |
26 | * | |
27 | * Copyright (c) 1994 | |
28 | * Hewlett-Packard Company | |
29 | * | |
30 | * Permission to use, copy, modify, distribute and sell this software | |
31 | * and its documentation for any purpose is hereby granted without fee, | |
32 | * provided that the above copyright notice appear in all copies and | |
33 | * that both that copyright notice and this permission notice appear | |
34 | * in supporting documentation. Hewlett-Packard Company makes no | |
35 | * representations about the suitability of this software for any | |
36 | * purpose. It is provided "as is" without express or implied warranty. | |
37 | * | |
38 | * Copyright (c) 1996,1997 | |
39 | * Silicon Graphics | |
40 | * | |
41 | * Permission to use, copy, modify, distribute and sell this software | |
42 | * and its documentation for any purpose is hereby granted without fee, | |
43 | * provided that the above copyright notice appear in all copies and | |
44 | * that both that copyright notice and this permission notice appear | |
45 | * in supporting documentation. Silicon Graphics makes no | |
46 | * representations about the suitability of this software for any | |
47 | * purpose. It is provided "as is" without express or implied warranty. | |
48 | * | |
49 | */ | |
50 | ||
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51 | /** @file stl_relops.h |
52 | * This is an internal header file, included by other library headers. | |
53 | * You should not attempt to use it directly. | |
ffe94f83 | 54 | * |
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55 | * Inclusion of this file has been removed from |
56 | * all of the other STL headers for safety reasons, except std_utility.h. | |
57 | * For more information, see the thread of about twenty messages starting | |
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58 | * with http://gcc.gnu.org/ml/libstdc++/2001-01/msg00223.html, or |
59 | * http://gcc.gnu.org/onlinedocs/libstdc++/faq.html#faq.ambiguous_overloads | |
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60 | * |
61 | * Short summary: the rel_ops operators should be avoided for the present. | |
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62 | */ |
63 | ||
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64 | #ifndef _STL_RELOPS_H |
65 | #define _STL_RELOPS_H 1 | |
725dc051 | 66 | |
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67 | _GLIBCXX_BEGIN_NAMESPACE(std) |
68 | ||
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69 | namespace rel_ops |
70 | { | |
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71 | /** @namespace std::rel_ops |
72 | * @brief The generated relational operators are sequestered here. | |
73 | */ | |
ed6814f7 | 74 | |
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75 | /** |
76 | * @brief Defines @c != for arbitrary types, in terms of @c ==. | |
77 | * @param x A thing. | |
78 | * @param y Another thing. | |
79 | * @return x != y | |
80 | * | |
81 | * This function uses @c == to determine its result. | |
82 | */ | |
83 | template <class _Tp> | |
84 | inline bool | |
85 | operator!=(const _Tp& __x, const _Tp& __y) | |
86 | { return !(__x == __y); } | |
ffe94f83 | 87 | |
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88 | /** |
89 | * @brief Defines @c > for arbitrary types, in terms of @c <. | |
90 | * @param x A thing. | |
91 | * @param y Another thing. | |
92 | * @return x > y | |
93 | * | |
94 | * This function uses @c < to determine its result. | |
95 | */ | |
96 | template <class _Tp> | |
97 | inline bool | |
98 | operator>(const _Tp& __x, const _Tp& __y) | |
99 | { return __y < __x; } | |
725dc051 | 100 | |
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101 | /** |
102 | * @brief Defines @c <= for arbitrary types, in terms of @c <. | |
103 | * @param x A thing. | |
104 | * @param y Another thing. | |
105 | * @return x <= y | |
106 | * | |
107 | * This function uses @c < to determine its result. | |
108 | */ | |
109 | template <class _Tp> | |
110 | inline bool | |
111 | operator<=(const _Tp& __x, const _Tp& __y) | |
112 | { return !(__y < __x); } | |
725dc051 | 113 | |
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114 | /** |
115 | * @brief Defines @c >= for arbitrary types, in terms of @c <. | |
116 | * @param x A thing. | |
117 | * @param y Another thing. | |
118 | * @return x >= y | |
119 | * | |
120 | * This function uses @c < to determine its result. | |
121 | */ | |
122 | template <class _Tp> | |
123 | inline bool | |
124 | operator>=(const _Tp& __x, const _Tp& __y) | |
125 | { return !(__x < __y); } | |
725dc051 | 126 | |
d53d7f6e | 127 | } // namespace rel_ops |
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128 | |
129 | _GLIBCXX_END_NAMESPACE | |
725dc051 | 130 | |
3d7c150e | 131 | #endif /* _STL_RELOPS_H */ |