libcxx/include/__cxx03/__fwd/complex.h

   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 #ifndef _LIBCPP___FWD_COMPLEX_H
  10 #define _LIBCPP___FWD_COMPLEX_H
  11
  12 #include <__cxx03/__config>
  13 #include <__cxx03/cstddef>
  14
  15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  16 #  pragma GCC system_header
  17 #endif
  18
  19 _LIBCPP_BEGIN_NAMESPACE_STD
  20
  21 template <class _Tp>
  22 class _LIBCPP_TEMPLATE_VIS complex;
  23
  24 #if _LIBCPP_STD_VER >= 26
  25
  26 template <size_t _Ip, class _Tp>
  27 _LIBCPP_HIDE_FROM_ABI constexpr _Tp& get(complex<_Tp>&) noexcept;
  28
  29 template <size_t _Ip, class _Tp>
  30 _LIBCPP_HIDE_FROM_ABI constexpr _Tp&& get(complex<_Tp>&&) noexcept;
  31
  32 template <size_t _Ip, class _Tp>
  33 _LIBCPP_HIDE_FROM_ABI constexpr const _Tp& get(const complex<_Tp>&) noexcept;
  34
  35 template <size_t _Ip, class _Tp>
  36 _LIBCPP_HIDE_FROM_ABI constexpr const _Tp&& get(const complex<_Tp>&&) noexcept;
  37
  38 #endif // _LIBCPP_STD_VER >= 26
  39
  40 _LIBCPP_END_NAMESPACE_STD
  41
  42 #endif // _LIBCPP___FWD_COMPLEX_H