1// Variable Templates For chrono -*- C++ -*- 2 3// Copyright (C) 2014-2016 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/chrono 26 * This is a TS C++ Library header. 27 */ 28 29// 30// N3932 Variable Templates For Type Traits (Revision 1) 31// 32 33#ifndef _GLIBCXX_EXPERIMENTAL_CHRONO 34#define _GLIBCXX_EXPERIMENTAL_CHRONO 1 35 36#pragma GCC system_header 37 38#if __cplusplus <= 201103L 39# include <bits/c++14_warning.h> 40#else 41 42#include <chrono> 43#include <experimental/bits/lfts_config.h> 44 45namespace std _GLIBCXX_VISIBILITY(default) 46{ 47namespace chrono { 48namespace experimental 49{ 50inline namespace fundamentals_v1 51{ 52_GLIBCXX_BEGIN_NAMESPACE_VERSION 53// See C++14 §20.12.4, customization traits 54template <typename _Rep> 55 constexpr bool treat_as_floating_point_v = 56 treat_as_floating_point<_Rep>::value; 57_GLIBCXX_END_NAMESPACE_VERSION 58} // namespace fundamentals_v1 59} // namespace experimental 60} // namespace chrono 61} // namespace std 62 63#endif // __cplusplus <= 201103L 64 65#endif // _GLIBCXX_EXPERIMENTAL_CHRONO 66