1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // test numeric_limits
10
11 // has_signaling_NaN
12
13 #include <limits>
14
15 #include "test_macros.h"
16
17 template <class T, bool expected>
18 void
test()19 test()
20 {
21 static_assert(std::numeric_limits<T>::has_signaling_NaN == expected, "has_signaling_NaN test 1");
22 static_assert(std::numeric_limits<const T>::has_signaling_NaN == expected, "has_signaling_NaN test 2");
23 static_assert(std::numeric_limits<volatile T>::has_signaling_NaN == expected, "has_signaling_NaN test 3");
24 static_assert(std::numeric_limits<const volatile T>::has_signaling_NaN == expected, "has_signaling_NaN test 4");
25 }
26
main(int,char **)27 int main(int, char**)
28 {
29 test<bool, false>();
30 test<char, false>();
31 test<signed char, false>();
32 test<unsigned char, false>();
33 test<wchar_t, false>();
34 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
35 test<char8_t, false>();
36 #endif
37 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
38 test<char16_t, false>();
39 test<char32_t, false>();
40 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS
41 test<short, false>();
42 test<unsigned short, false>();
43 test<int, false>();
44 test<unsigned int, false>();
45 test<long, false>();
46 test<unsigned long, false>();
47 test<long long, false>();
48 test<unsigned long long, false>();
49 #ifndef _LIBCPP_HAS_NO_INT128
50 test<__int128_t, false>();
51 test<__uint128_t, false>();
52 #endif
53 test<float, true>();
54 test<double, true>();
55 test<long double, true>();
56
57 return 0;
58 }
59