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 21 namespace std { 22 namespace chrono { 23 namespace experimental { 24 inline 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 50 template <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
