/* This file is NOT part of the LLVM Project

        Copyright 2023 Green Hills Software, Inc.
    This program is the property of Green Hills Software, Inc,
    its contents are proprietary information and no part of it
    is to be disclosed to anyone except employees of Green Hills
    Software, Inc., or as agreed in writing signed by the President
    of Green Hills Software, Inc.
*/

// This file defines some utility functions which are defined in the 
// libcxx <charconv> implementation, but are not defined in ours

#ifndef _LIBCPP_GHS_CHARCONV_UTILS
#define _LIBCPP_GHS_CHARCONV_UTILS

#include <__config>
#include <__type_traits/enable_if.h>
#include <__type_traits/is_unsigned.h>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#  pragma GCC system_header
#endif

#if defined(__ghs__)
  #pragma ghs start_cxx_lib_header
  #pragma ghs startdata
  #if defined(__ghs_max_pack_value)
    #pragma pack (push, __ghs_max_pack_value)
  #endif
#endif

_LIBCPP_BEGIN_NAMESPACE_STD

template <typename _Tp>
_LIBCPP_CONSTEXPR_SINCE_CXX14 
typename enable_if<is_unsigned<_Tp>::value, _Tp>::type
__complement(_Tp __t) {
    return _Tp(~__t + 1);
}

_LIBCPP_END_NAMESPACE_STD

#if defined(__ghs__)
  #if defined(__ghs_max_pack_value)
    #pragma pack(pop)
  #endif
  #pragma ghs enddata
  #pragma ghs end_cxx_lib_header
#endif

#endif /* _LIBCPP_GHS_CHARCONV_UTILS */