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 | // UNSUPPORTED: c++03, c++11, c++14 |
10 | |
11 | // to_chars requires functions in the dylib that have not been introduced in older |
12 | // versions of the dylib on macOS. |
13 | // XFAIL: availability-fp_to_chars-missing |
14 | |
15 | // steady_clock requires threads. |
16 | // UNSUPPORTED: no-threads |
17 | // UNSUPPORTED: no-random-device |
18 | // UNSUPPORTED: no-localization |
19 | |
20 | // XFAIL: LIBCXX-AIX-FIXME |
21 | |
22 | // <charconv> |
23 | |
24 | #include <type_traits> |
25 | |
26 | // Work-around for sprintf_s's usage in the Microsoft tests. |
27 | #ifndef _WIN32 |
28 | # define sprintf_s snprintf |
29 | #endif |
30 | |
31 | #ifdef _MSVC_STL_VERSION |
32 | #include <xutility> |
33 | using std::_Bit_cast; |
34 | #else |
35 | // FUNCTION TEMPLATE _Bit_cast |
36 | template <class _To, class _From, |
37 | std::enable_if_t<sizeof(_To) == sizeof(_From) && std::is_trivially_copyable_v<_To> && |
38 | std::is_trivially_copyable_v<_From>, |
39 | int> = 0> |
40 | [[nodiscard]] constexpr _To _Bit_cast(const _From& _From_obj) noexcept { |
41 | return __builtin_bit_cast(_To, _From_obj); |
42 | } |
43 | #endif |
44 | |
45 | // Includes Microsoft's test that tests the entire header. |
46 | |
47 | #include "test.cpp" |
48 | |