1// Variable Templates For chrono -*- 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
8// Free Software Foundation; either version 3, or (at your option)
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.
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.
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/>.
25/** @file experimental/chrono
26 * This is a TS C++ Library header.
30// N3932 Variable Templates For Type Traits (Revision 1)
33#ifndef _GLIBCXX_EXPERIMENTAL_CHRONO
34#define _GLIBCXX_EXPERIMENTAL_CHRONO 1
36#pragma GCC system_header
38#if __cplusplus >= 201402L
41#include <experimental/bits/lfts_config.h>
43namespace std _GLIBCXX_VISIBILITY(default)
45_GLIBCXX_BEGIN_NAMESPACE_VERSION
50inline namespace fundamentals_v1
52// See C++14 20.12.4, customization traits
53template <typename _Rep>
54 constexpr bool treat_as_floating_point_v =
55 treat_as_floating_point<_Rep>::value;
56} // namespace fundamentals_v1
57} // namespace experimental
59_GLIBCXX_END_NAMESPACE_VERSION
62#endif // __cplusplus <= 201103L
64#endif // _GLIBCXX_EXPERIMENTAL_CHRONO