xref: /dflybsd-src/contrib/gcc-8.0/libstdc++-v3/include/experimental/chrono (revision 38fd149817dfbff97799f62fcb70be98c4e32523)
1*38fd1498Szrj// Variable Templates For chrono -*- C++ -*-
2*38fd1498Szrj
3*38fd1498Szrj// Copyright (C) 2014-2018 Free Software Foundation, Inc.
4*38fd1498Szrj//
5*38fd1498Szrj// This file is part of the GNU ISO C++ Library.  This library is free
6*38fd1498Szrj// software; you can redistribute it and/or modify it under the
7*38fd1498Szrj// terms of the GNU General Public License as published by the
8*38fd1498Szrj// Free Software Foundation; either version 3, or (at your option)
9*38fd1498Szrj// any later version.
10*38fd1498Szrj
11*38fd1498Szrj// This library is distributed in the hope that it will be useful,
12*38fd1498Szrj// but WITHOUT ANY WARRANTY; without even the implied warranty of
13*38fd1498Szrj// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14*38fd1498Szrj// GNU General Public License for more details.
15*38fd1498Szrj
16*38fd1498Szrj// Under Section 7 of GPL version 3, you are granted additional
17*38fd1498Szrj// permissions described in the GCC Runtime Library Exception, version
18*38fd1498Szrj// 3.1, as published by the Free Software Foundation.
19*38fd1498Szrj
20*38fd1498Szrj// You should have received a copy of the GNU General Public License and
21*38fd1498Szrj// a copy of the GCC Runtime Library Exception along with this program;
22*38fd1498Szrj// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23*38fd1498Szrj// <http://www.gnu.org/licenses/>.
24*38fd1498Szrj
25*38fd1498Szrj/** @file experimental/chrono
26*38fd1498Szrj *  This is a TS C++ Library header.
27*38fd1498Szrj */
28*38fd1498Szrj
29*38fd1498Szrj//
30*38fd1498Szrj// N3932 Variable Templates For Type Traits (Revision 1)
31*38fd1498Szrj//
32*38fd1498Szrj
33*38fd1498Szrj#ifndef _GLIBCXX_EXPERIMENTAL_CHRONO
34*38fd1498Szrj#define _GLIBCXX_EXPERIMENTAL_CHRONO 1
35*38fd1498Szrj
36*38fd1498Szrj#pragma GCC system_header
37*38fd1498Szrj
38*38fd1498Szrj#if __cplusplus >= 201402L
39*38fd1498Szrj
40*38fd1498Szrj#include <chrono>
41*38fd1498Szrj#include <experimental/bits/lfts_config.h>
42*38fd1498Szrj
43*38fd1498Szrjnamespace std _GLIBCXX_VISIBILITY(default)
44*38fd1498Szrj{
45*38fd1498Szrj_GLIBCXX_BEGIN_NAMESPACE_VERSION
46*38fd1498Szrj
47*38fd1498Szrjnamespace chrono {
48*38fd1498Szrjnamespace experimental
49*38fd1498Szrj{
50*38fd1498Szrjinline namespace fundamentals_v1
51*38fd1498Szrj{
52*38fd1498Szrj// See C++14 §20.12.4, customization traits
53*38fd1498Szrjtemplate <typename _Rep>
54*38fd1498Szrj   constexpr bool treat_as_floating_point_v =
55*38fd1498Szrj     treat_as_floating_point<_Rep>::value;
56*38fd1498Szrj} // namespace fundamentals_v1
57*38fd1498Szrj} // namespace experimental
58*38fd1498Szrj} // namespace chrono
59*38fd1498Szrj_GLIBCXX_END_NAMESPACE_VERSION
60*38fd1498Szrj} // namespace std
61*38fd1498Szrj
62*38fd1498Szrj#endif // __cplusplus <= 201103L
63*38fd1498Szrj
64*38fd1498Szrj#endif // _GLIBCXX_EXPERIMENTAL_CHRONO
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