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The C and C++ Include Header Files
cat -n /usr/include/c++/15/experimental/ratio
1 // Variable Templates For ratio -*- C++ -*- 2 3 // Copyright (C) 2014-2025 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 #ifdef _GLIBCXX_SYSHDR 38 #pragma GCC system_header 39 #endif 40 41 #include <bits/requires_hosted.h> // experimental is currently omitted 42 43 #if __cplusplus >= 201402L 44 45 #include <ratio> 46 #include <experimental/bits/lfts_config.h> 47 48 namespace std _GLIBCXX_VISIBILITY(default) 49 { 50 _GLIBCXX_BEGIN_NAMESPACE_VERSION 51 52 namespace experimental 53 { 54 inline namespace fundamentals_v1 55 { 56 // See C++14 20.11.5, ratio comparison 57 template <typename _R1, typename _R2> 58 constexpr bool ratio_equal_v = ratio_equal<_R1, _R2>::value; 59 template <typename _R1, typename _R2> 60 constexpr bool ratio_not_equal_v = ratio_not_equal<_R1, _R2>::value; 61 template <typename _R1, typename _R2> 62 constexpr bool ratio_less_v = ratio_less<_R1, _R2>::value; 63 template <typename _R1, typename _R2> 64 constexpr bool ratio_less_equal_v = ratio_less_equal<_R1, _R2>::value; 65 template <typename _R1, typename _R2> 66 constexpr bool ratio_greater_v = ratio_greater<_R1, _R2>::value; 67 template <typename _R1, typename _R2> 68 constexpr bool ratio_greater_equal_v = ratio_greater_equal<_R1, _R2>::value; 69 } // namespace fundamentals_v1 70 } // namespace experimental 71 72 _GLIBCXX_END_NAMESPACE_VERSION 73 } // namespace std 74 75 #endif // __cplusplus <= 201103L 76 77 #endif // _GLIBCXX_EXPERIMENTAL_RATIO