1 // Variable Templates For ratio -*- C++ -*-
3 // Copyright (C) 2014-2019 Free Software Foundation, Inc.
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
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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.
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.
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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
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25 /** @file experimental/ratio
26 * This is a TS C++ Library header.
30 // N3932 Variable Templates For Type Traits (Revision 1)
33 #ifndef _GLIBCXX_EXPERIMENTAL_RATIO
34 #define _GLIBCXX_EXPERIMENTAL_RATIO 1
36 #pragma GCC system_header
38 #if __cplusplus >= 201402L
41 #include <experimental/bits/lfts_config.h>
43 namespace std _GLIBCXX_VISIBILITY(default)
45 _GLIBCXX_BEGIN_NAMESPACE_VERSION
47 namespace experimental
49 inline namespace fundamentals_v1
51 // See C++14 20.11.5, ratio comparison
52 template <typename _R1, typename _R2>
53 constexpr bool ratio_equal_v = ratio_equal<_R1, _R2>::value;
54 template <typename _R1, typename _R2>
55 constexpr bool ratio_not_equal_v = ratio_not_equal<_R1, _R2>::value;
56 template <typename _R1, typename _R2>
57 constexpr bool ratio_less_v = ratio_less<_R1, _R2>::value;
58 template <typename _R1, typename _R2>
59 constexpr bool ratio_less_equal_v = ratio_less_equal<_R1, _R2>::value;
60 template <typename _R1, typename _R2>
61 constexpr bool ratio_greater_v = ratio_greater<_R1, _R2>::value;
62 template <typename _R1, typename _R2>
63 constexpr bool ratio_greater_equal_v = ratio_greater_equal<_R1, _R2>::value;
64 } // namespace fundamentals_v1
65 } // namespace experimental
67 _GLIBCXX_END_NAMESPACE_VERSION
70 #endif // __cplusplus <= 201103L
72 #endif // _GLIBCXX_EXPERIMENTAL_RATIO