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 // test numeric_limits 11 12 // has_denorm 13 14 #include <limits> 15 16 template <class T, std::float_denorm_style expected> 17 void 18 test() 19 { 20 static_assert(std::numeric_limits<T>::has_denorm == expected, "has_denorm test 1"); 21 static_assert(std::numeric_limits<const T>::has_denorm == expected, "has_denorm test 2"); 22 static_assert(std::numeric_limits<volatile T>::has_denorm == expected, "has_denorm test 3"); 23 static_assert(std::numeric_limits<const volatile T>::has_denorm == expected, "has_denorm test 4"); 24 } 25 26 int main() 27 { 28 test<bool, std::denorm_absent>(); 29 test<char, std::denorm_absent>(); 30 test<signed char, std::denorm_absent>(); 31 test<unsigned char, std::denorm_absent>(); 32 test<wchar_t, std::denorm_absent>(); 33 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 34 test<char16_t, std::denorm_absent>(); 35 test<char32_t, std::denorm_absent>(); 36 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS 37 test<short, std::denorm_absent>(); 38 test<unsigned short, std::denorm_absent>(); 39 test<int, std::denorm_absent>(); 40 test<unsigned int, std::denorm_absent>(); 41 test<long, std::denorm_absent>(); 42 test<unsigned long, std::denorm_absent>(); 43 test<long long, std::denorm_absent>(); 44 test<unsigned long long, std::denorm_absent>(); 45 #ifndef _LIBCPP_HAS_NO_INT128 46 test<__int128_t, std::denorm_absent>(); 47 test<__uint128_t, std::denorm_absent>(); 48 #endif 49 test<float, std::denorm_present>(); 50 test<double, std::denorm_present>(); 51 test<long double, std::denorm_present>(); 52 } 53
