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 // radix
13
14 #include <limits>
15 #include <cfloat>
16
17 #include "test_macros.h"
18
19 template <class T, int expected>
20 void
test()21 test()
22 {
23 static_assert(std::numeric_limits<T>::radix == expected, "radix test 1");
24 static_assert(std::numeric_limits<const T>::radix == expected, "radix test 2");
25 static_assert(std::numeric_limits<volatile T>::radix == expected, "radix test 3");
26 static_assert(std::numeric_limits<const volatile T>::radix == expected, "radix test 4");
27 }
28
main()29 int main()
30 {
31 test<bool, 2>();
32 test<char, 2>();
33 test<signed char, 2>();
34 test<unsigned char, 2>();
35 test<wchar_t, 2>();
36 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
37 test<char8_t, 2>();
38 #endif
39 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
40 test<char16_t, 2>();
41 test<char32_t, 2>();
42 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS
43 test<short, 2>();
44 test<unsigned short, 2>();
45 test<int, 2>();
46 test<unsigned int, 2>();
47 test<long, 2>();
48 test<unsigned long, 2>();
49 test<long long, 2>();
50 test<unsigned long long, 2>();
51 #ifndef _LIBCPP_HAS_NO_INT128
52 test<__int128_t, 2>();
53 test<__uint128_t, 2>();
54 #endif
55 test<float, FLT_RADIX>();
56 test<double, FLT_RADIX>();
57 test<long double, FLT_RADIX>();
58 }
59