1 // -*- C++ -*-
2 //===----------------------------------------------------------------------===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef _LIBCPP___CHARCONV_CHARS_FORMAT_H
11 #define _LIBCPP___CHARCONV_CHARS_FORMAT_H
12 
13 #include <__config>
14 #include <__utility/to_underlying.h>
15 
16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17 #  pragma GCC system_header
18 #endif
19 
20 _LIBCPP_BEGIN_NAMESPACE_STD
21 
22 #if _LIBCPP_STD_VER > 14
23 
24 enum class _LIBCPP_ENUM_VIS chars_format
25 {
26     scientific = 0x1,
27     fixed = 0x2,
28     hex = 0x4,
29     general = fixed | scientific
30 };
31 
32 inline _LIBCPP_INLINE_VISIBILITY constexpr chars_format
33 operator~(chars_format __x) {
34   return chars_format(~_VSTD::__to_underlying(__x));
35 }
36 
37 inline _LIBCPP_INLINE_VISIBILITY constexpr chars_format
38 operator&(chars_format __x, chars_format __y) {
39   return chars_format(_VSTD::__to_underlying(__x) &
40                       _VSTD::__to_underlying(__y));
41 }
42 
43 inline _LIBCPP_INLINE_VISIBILITY constexpr chars_format
44 operator|(chars_format __x, chars_format __y) {
45   return chars_format(_VSTD::__to_underlying(__x) |
46                       _VSTD::__to_underlying(__y));
47 }
48 
49 inline _LIBCPP_INLINE_VISIBILITY constexpr chars_format
50 operator^(chars_format __x, chars_format __y) {
51   return chars_format(_VSTD::__to_underlying(__x) ^
52                       _VSTD::__to_underlying(__y));
53 }
54 
55 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 chars_format&
56 operator&=(chars_format& __x, chars_format __y) {
57   __x = __x & __y;
58   return __x;
59 }
60 
61 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 chars_format&
62 operator|=(chars_format& __x, chars_format __y) {
63   __x = __x | __y;
64   return __x;
65 }
66 
67 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 chars_format&
68 operator^=(chars_format& __x, chars_format __y) {
69   __x = __x ^ __y;
70   return __x;
71 }
72 
73 #endif // _LIBCPP_STD_VER > 14
74 
75 _LIBCPP_END_NAMESPACE_STD
76 
77 #endif // _LIBCPP___CHARCONV_CHARS_FORMAT_H
78