1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03, c++11 11 12 // <experimental/chrono> 13 14 // template <class Rep> constexpr bool treat_as_floating_point_v; 15 16 #include <experimental/chrono> 17 #include <type_traits> 18 19 namespace ex = std::chrono::experimental; 20 namespace cr = std::chrono; 21 22 template <class T, bool Expect> 23 void test() 24 { 25 static_assert( 26 ex::treat_as_floating_point_v<T> == Expect, "" 27 ); 28 static_assert( 29 ex::treat_as_floating_point_v<T> == cr::treat_as_floating_point<T>::value, "" 30 ); 31 } 32 33 int main() 34 { 35 { 36 static_assert( 37 std::is_same< 38 decltype(ex::treat_as_floating_point_v<float>), const bool 39 >::value, "" 40 ); 41 } 42 test<int, false>(); 43 test<unsigned, false>(); 44 test<char, false>(); 45 test<bool, false>(); 46 test<float, true>(); 47 test<double, true>(); 48 test<long double, true>(); 49 } 50
