libstdc++
experimental/ratio
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1// Variable Templates For ratio -*- C++ -*-
2
3// Copyright (C) 2014-2023 Free Software Foundation, Inc.
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/ratio
26 * This is a TS C++ Library header.
27 * @ingroup libfund-ts
28 */
29
30//
31// N3932 Variable Templates For Type Traits (Revision 1)
32//
33
34#ifndef _GLIBCXX_EXPERIMENTAL_RATIO
35#define _GLIBCXX_EXPERIMENTAL_RATIO 1
36
37#pragma GCC system_header
38
39#include <bits/requires_hosted.h> // experimental is currently omitted
40
41#if __cplusplus >= 201402L
42
43#include <ratio>
44#include <experimental/bits/lfts_config.h>
45
46namespace std _GLIBCXX_VISIBILITY(default)
47{
48_GLIBCXX_BEGIN_NAMESPACE_VERSION
49
50namespace experimental
51{
52inline namespace fundamentals_v1
53{
54// See C++14 20.11.5, ratio comparison
55template <typename _R1, typename _R2>
56 constexpr bool ratio_equal_v = ratio_equal<_R1, _R2>::value;
57template <typename _R1, typename _R2>
58 constexpr bool ratio_not_equal_v = ratio_not_equal<_R1, _R2>::value;
59template <typename _R1, typename _R2>
60 constexpr bool ratio_less_v = ratio_less<_R1, _R2>::value;
61template <typename _R1, typename _R2>
62 constexpr bool ratio_less_equal_v = ratio_less_equal<_R1, _R2>::value;
63template <typename _R1, typename _R2>
64 constexpr bool ratio_greater_v = ratio_greater<_R1, _R2>::value;
65template <typename _R1, typename _R2>
66 constexpr bool ratio_greater_equal_v = ratio_greater_equal<_R1, _R2>::value;
67} // namespace fundamentals_v1
68} // namespace experimental
69
70_GLIBCXX_END_NAMESPACE_VERSION
71} // namespace std
72
73#endif // __cplusplus <= 201103L
74
75#endif // _GLIBCXX_EXPERIMENTAL_RATIO