chrono revision 303975
1// -*- C++ -*- 2//===------------------------------ chrono ---------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is distributed under the University of Illinois Open Source 7// License. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11#ifndef _LIBCPP_EXPERIMENTAL_CHRONO 12#define _LIBCPP_EXPERIMENTAL_CHRONO 13 14/** 15 experimental/chrono synopsis 16 17// C++1y 18 19#include <chrono> 20 21namespace std { 22namespace chrono { 23namespace experimental { 24inline namespace fundamentals_v1 { 25 26 // See C++14 20.12.4, customization traits 27 template <class Rep> constexpr bool treat_as_floating_point_v 28 = treat_as_floating_point<Rep>::value; 29 30} // namespace fundamentals_v1 31} // namespace experimental 32} // namespace chrono 33} // namespace std 34 35 */ 36 37#include <experimental/__config> 38#include <chrono> 39 40#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 41#pragma GCC system_header 42#endif 43 44#if _LIBCPP_STD_VER > 11 45 46_LIBCPP_BEGIN_NAMESPACE_CHRONO_LFTS 47 48#ifndef _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 49 50template <class _Rep> _LIBCPP_CONSTEXPR bool treat_as_floating_point_v 51 = treat_as_floating_point<_Rep>::value; 52 53#endif /* _LIBCPP_HAS_NO_VARIABLE_TEMPLATES */ 54 55_LIBCPP_END_NAMESPACE_CHRONO_LFTS 56 57#endif /* _LIBCPP_STD_VER > 11 */ 58 59#endif /* _LIBCPP_EXPERIMENTAL_CHRONO */ 60