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
|
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14
// TODO Investigate why this fails
// UNSUPPORTED: windows
// This test times out under msan
// UNSUPPORTED: msan
// to_chars requires functions in the dylib that have not been introduced in older
// versions of the dylib on macOS.
// XFAIL: availability-fp_to_chars-missing
// steady_clock requires threads.
// UNSUPPORTED: no-threads
// UNSUPPORTED: no-random-device
// UNSUPPORTED: no-localization
// XFAIL: LIBCXX-AIX-FIXME
// <charconv>
#include <type_traits>
#include "test_macros.h"
// Work-around for sprintf_s's usage in the Microsoft tests.
#ifndef _WIN32
# define sprintf_s snprintf
#endif
#ifdef _MSVC_STL_VERSION
#include <xutility>
using std::_Bit_cast;
#else
// FUNCTION TEMPLATE _Bit_cast
template <class _To, class _From,
std::enable_if_t<sizeof(_To) == sizeof(_From) && std::is_trivially_copyable_v<_To> &&
std::is_trivially_copyable_v<_From>,
int> = 0>
[[nodiscard]] constexpr _To _Bit_cast(const _From& _From_obj) noexcept {
return __builtin_bit_cast(_To, _From_obj);
}
#endif
// Includes Microsoft's test that tests the entire header.
#include "test.cpp"
|
