33 #ifndef _GLIBCXX_EXPERIMENTAL_CHRONO 34 #define _GLIBCXX_EXPERIMENTAL_CHRONO 1 36 #pragma GCC system_header 38 #if __cplusplus <= 201103L 45 namespace std _GLIBCXX_VISIBILITY(default)
48 namespace experimental
50 inline namespace fundamentals_v1
52 _GLIBCXX_BEGIN_NAMESPACE_VERSION
54 template <
typename _Rep>
55 constexpr
bool treat_as_floating_point_v =
56 treat_as_floating_point<_Rep>::value;
57 _GLIBCXX_END_NAMESPACE_VERSION
63 #endif // __cplusplus <= 201103L 65 #endif // _GLIBCXX_EXPERIMENTAL_CHRONO ISO C++ entities toplevel namespace is std.