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| 4680 | right-hear | 1 | /* |
| 2 | * |
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| 3 | * Copyright (c) 1994 |
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| 4 | * Hewlett-Packard Company |
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| 5 | * |
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| 6 | * Permission to use, copy, modify, distribute and sell this software |
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| 7 | * and its documentation for any purpose is hereby granted without fee, |
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| 8 | * provided that the above copyright notice appear in all copies and |
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| 9 | * that both that copyright notice and this permission notice appear |
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| 10 | * in supporting documentation. Hewlett-Packard Company makes no |
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| 11 | * representations about the suitability of this software for any |
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| 12 | * purpose. It is provided "as is" without express or implied warranty. |
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| 13 | * |
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| 14 | * |
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| 15 | * Copyright (c) 1996,1997 |
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| 16 | * Silicon Graphics Computer Systems, Inc. |
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| 17 | * |
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| 18 | * Permission to use, copy, modify, distribute and sell this software |
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| 19 | * and its documentation for any purpose is hereby granted without fee, |
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| 20 | * provided that the above copyright notice appear in all copies and |
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| 21 | * that both that copyright notice and this permission notice appear |
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| 22 | * in supporting documentation. Silicon Graphics makes no |
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| 23 | * representations about the suitability of this software for any |
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| 24 | * purpose. It is provided "as is" without express or implied warranty. |
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| 25 | */ |
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| 26 | |||
| 27 | /* NOTE: This is an internal header file, included by other STL headers. |
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| 28 | * You should not attempt to use it directly. |
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| 29 | */ |
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| 30 | |||
| 31 | #ifndef __SGI_STL_INTERNAL_PAIR_H |
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| 32 | #define __SGI_STL_INTERNAL_PAIR_H |
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| 33 | |||
| 34 | namespace std |
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| 35 | { |
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| 36 | |||
| 37 | template |
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| 38 | struct pair { |
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| 39 | typedef _T1 first_type; |
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| 40 | typedef _T2 second_type; |
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| 41 | |||
| 42 | _T1 first; |
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| 43 | _T2 second; |
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| 44 | #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS |
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| 45 | //265. std::pair::pair() effects overly restrictive |
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| 46 | pair() : first(), second() {} |
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| 47 | #else |
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| 48 | pair() : first(_T1()), second(_T2()) {} |
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| 49 | #endif |
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| 50 | pair(const _T1& __a, const _T2& __b) : first(__a), second(__b) {} |
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| 51 | |||
| 52 | template |
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| 53 | pair(const pair<_U1, _U2>& __p) : first(__p.first), second(__p.second) {} |
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| 54 | }; |
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| 55 | |||
| 56 | template |
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| 57 | inline bool operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) |
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| 58 | { |
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| 59 | return __x.first == __y.first && __x.second == __y.second; |
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| 60 | } |
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| 61 | |||
| 62 | template |
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| 63 | inline bool operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) |
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| 64 | { |
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| 65 | return __x.first < __y.first || |
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| 66 | (!(__y.first < __x.first) && __x.second < __y.second); |
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| 67 | } |
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| 68 | |||
| 69 | template |
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| 70 | inline bool operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) { |
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| 71 | return !(__x == __y); |
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| 72 | } |
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| 73 | |||
| 74 | template |
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| 75 | inline bool operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) { |
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| 76 | return __y < __x; |
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| 77 | } |
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| 78 | |||
| 79 | template |
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| 80 | inline bool operator<=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) { |
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| 81 | return !(__y < __x); |
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| 82 | } |
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| 83 | |||
| 84 | template |
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| 85 | inline bool operator>=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) { |
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| 86 | return !(__x < __y); |
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| 87 | } |
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| 88 | |||
| 89 | template |
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| 90 | #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS |
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| 91 | //181. make_pair() unintended behavior |
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| 92 | inline pair<_T1, _T2> make_pair(_T1 __x, _T2 __y) |
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| 93 | #else |
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| 94 | inline pair<_T1, _T2> make_pair(const _T1& __x, const _T2& __y) |
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| 95 | #endif |
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| 96 | { |
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| 97 | return pair<_T1, _T2>(__x, __y); |
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| 98 | } |
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| 99 | |||
| 100 | } // namespace std |
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| 101 | |||
| 102 | #endif /* __SGI_STL_INTERNAL_PAIR_H */ |
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| 103 | |||
| 104 | // Local Variables: |
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| 105 | // mode:C++ |
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| 106 | // End: |