34 #ifndef _GLIBCXX_EXPERIMENTAL_CHRONO
35 #define _GLIBCXX_EXPERIMENTAL_CHRONO 1
37 #pragma GCC system_header
39 #if __cplusplus >= 201402L
44 namespace std _GLIBCXX_VISIBILITY(default)
46 _GLIBCXX_BEGIN_NAMESPACE_VERSION
49 namespace experimental
51 inline namespace fundamentals_v1
54 template <
typename _Rep>
55 constexpr
bool treat_as_floating_point_v =
56 treat_as_floating_point<_Rep>::value;
60 _GLIBCXX_END_NAMESPACE_VERSION
63 #endif // __cplusplus <= 201103L
65 #endif // _GLIBCXX_EXPERIMENTAL_CHRONO