libcxx/include/__charconv/chars_format.h

   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 #ifndef _LIBCPP_CXX03_LANG
  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_AFTER_CXX11 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_AFTER_CXX11 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_AFTER_CXX11 chars_format&
  68 operator^=(chars_format& __x, chars_format __y) {
  69   __x = __x ^ __y;
  70   return __x;
  71 }
  72
  73 #endif // _LIBCPP_CXX03_LANG
  74
  75 _LIBCPP_END_NAMESPACE_STD
  76
  77 #endif // _LIBCPP___CHARCONV_CHARS_FORMAT_H