33 #ifndef _GLIBCXX_EXPERIMENTAL_CHRONO
34 #define _GLIBCXX_EXPERIMENTAL_CHRONO 1
36 #pragma GCC system_header
38 #if __cplusplus >= 201402L
43 namespace std _GLIBCXX_VISIBILITY(default)
46 namespace experimental
48 inline namespace fundamentals_v1
50 _GLIBCXX_BEGIN_NAMESPACE_VERSION
52 template <
typename _Rep>
53 constexpr
bool treat_as_floating_point_v =
54 treat_as_floating_point<_Rep>::value;
55 _GLIBCXX_END_NAMESPACE_VERSION
61 #endif // __cplusplus <= 201103L
63 #endif // _GLIBCXX_EXPERIMENTAL_CHRONO