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1 | // Variable Templates For chrono -*- C++ -*- |
2 | ||
7adcbafe | 3 | // Copyright (C) 2014-2022 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 | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
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 | ||
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 | /** @file experimental/chrono | |
26 | * This is a TS C++ Library header. | |
1ababc8b | 27 | * @ingroup libfund-ts |
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28 | */ |
29 | ||
30 | // | |
31 | // N3932 Variable Templates For Type Traits (Revision 1) | |
32 | // | |
33 | ||
34 | #ifndef _GLIBCXX_EXPERIMENTAL_CHRONO | |
35 | #define _GLIBCXX_EXPERIMENTAL_CHRONO 1 | |
36 | ||
37 | #pragma GCC system_header | |
38 | ||
d681026d | 39 | #if __cplusplus >= 201402L |
6b17203a | 40 | |
7f78718b | 41 | #include <bits/chrono.h> // Only the C++14 parts of <chrono> |
e347987d | 42 | #include <experimental/bits/lfts_config.h> |
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43 | |
44 | namespace std _GLIBCXX_VISIBILITY(default) | |
45 | { | |
4a15d842 FD |
46 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
47 | ||
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48 | namespace chrono { |
49 | namespace experimental | |
50 | { | |
51 | inline namespace fundamentals_v1 | |
52 | { | |
3c732e6f | 53 | // See C++14 20.12.4, customization traits |
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54 | template <typename _Rep> |
55 | constexpr bool treat_as_floating_point_v = | |
56 | treat_as_floating_point<_Rep>::value; | |
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57 | } // namespace fundamentals_v1 |
58 | } // namespace experimental | |
59 | } // namespace chrono | |
4a15d842 | 60 | _GLIBCXX_END_NAMESPACE_VERSION |
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61 | } // namespace std |
62 | ||
63 | #endif // __cplusplus <= 201103L | |
64 | ||
65 | #endif // _GLIBCXX_EXPERIMENTAL_CHRONO |