1 // Variable Templates For ratio -*- C++ -*-
3 // Copyright (C) 2014-2020 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
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7 // terms of the GNU General Public License as published by the
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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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25 /** @file experimental/ratio
26 * This is a TS C++ Library header.
31 // N3932 Variable Templates For Type Traits (Revision 1)
34 #ifndef _GLIBCXX_EXPERIMENTAL_RATIO
35 #define _GLIBCXX_EXPERIMENTAL_RATIO 1
37 #pragma GCC system_header
39 #if __cplusplus >= 201402L
42 #include <experimental/bits/lfts_config.h>
44 namespace std _GLIBCXX_VISIBILITY(default)
46 _GLIBCXX_BEGIN_NAMESPACE_VERSION
48 namespace experimental
50 inline namespace fundamentals_v1
52 // See C++14 20.11.5, ratio comparison
53 template <typename _R1, typename _R2>
54 constexpr bool ratio_equal_v = ratio_equal<_R1, _R2>::value;
55 template <typename _R1, typename _R2>
56 constexpr bool ratio_not_equal_v = ratio_not_equal<_R1, _R2>::value;
57 template <typename _R1, typename _R2>
58 constexpr bool ratio_less_v = ratio_less<_R1, _R2>::value;
59 template <typename _R1, typename _R2>
60 constexpr bool ratio_less_equal_v = ratio_less_equal<_R1, _R2>::value;
61 template <typename _R1, typename _R2>
62 constexpr bool ratio_greater_v = ratio_greater<_R1, _R2>::value;
63 template <typename _R1, typename _R2>
64 constexpr bool ratio_greater_equal_v = ratio_greater_equal<_R1, _R2>::value;
65 } // namespace fundamentals_v1
66 } // namespace experimental
68 _GLIBCXX_END_NAMESPACE_VERSION
71 #endif // __cplusplus <= 201103L
73 #endif // _GLIBCXX_EXPERIMENTAL_RATIO