blob: f4ea61f23dc64c73ab97d4f42b2a5d064ac0fb8f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// test numeric_limits
// quiet_NaN()
#include <limits>
#include <cmath>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
template <class T>
void
test_imp(std::true_type)
{
assert(std::isnan(std::numeric_limits<T>::quiet_NaN()));
assert(std::isnan(std::numeric_limits<const T>::quiet_NaN()));
assert(std::isnan(std::numeric_limits<volatile T>::quiet_NaN()));
assert(std::isnan(std::numeric_limits<const volatile T>::quiet_NaN()));
}
template <class T>
void
test_imp(std::false_type)
{
assert(std::numeric_limits<T>::quiet_NaN() == T());
assert(std::numeric_limits<const T>::quiet_NaN() == T());
assert(std::numeric_limits<volatile T>::quiet_NaN() == T());
assert(std::numeric_limits<const volatile T>::quiet_NaN() == T());
}
template <class T>
inline
void
test()
{
test_imp<T>(std::is_floating_point<T>());
}
int main(int, char**)
{
test<bool>();
test<char>();
test<signed char>();
test<unsigned char>();
test<wchar_t>();
#if TEST_STD_VER > 17 && defined(__cpp_char8_t)
test<char8_t>();
#endif
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
test<char16_t>();
test<char32_t>();
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
test<short>();
test<unsigned short>();
test<int>();
test<unsigned int>();
test<long>();
test<unsigned long>();
test<long long>();
test<unsigned long long>();
#ifndef _LIBCPP_HAS_NO_INT128
test<__int128_t>();
test<__uint128_t>();
#endif
test<float>();
test<double>();
test<long double>();
return 0;
}
|
