1  // -*- C++ -*- compatibility header.
       2  
       3  // Copyright (C) 2007-2023 Free Software Foundation, Inc.
       4  //
       5  // This file is part of the GNU ISO C++ Library.  This library is free
       6  // software; you can redistribute it and/or modify it under the
       7  // terms of the GNU General Public License as published by the
       8  // Free Software Foundation; either version 3, or (at your option)
       9  // any later version.
      10  
      11  // This library is distributed in the hope that it will be useful,
      12  // but WITHOUT ANY WARRANTY; without even the implied warranty of
      13  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14  // GNU General Public License for more details.
      15  
      16  // Under Section 7 of GPL version 3, you are granted additional
      17  // permissions described in the GCC Runtime Library Exception, version
      18  // 3.1, as published by the Free Software Foundation.
      19  
      20  // You should have received a copy of the GNU General Public License and
      21  // a copy of the GCC Runtime Library Exception along with this program;
      22  // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      23  // <http://www.gnu.org/licenses/>.
      24  
      25  /** @file complex.h
      26   *  This is a Standard C++ Library header.
      27   */
      28  
      29  #include <bits/c++config.h>
      30  
      31  #if __cplusplus >= 201103L
      32  # include <ccomplex>
      33  #endif
      34  
      35  #if __cplusplus >= 201103L && defined(__STRICT_ANSI__)
      36  // For strict modes do not include the C library's <complex.h>, see PR 82417.
      37  #elif _GLIBCXX_HAVE_COMPLEX_H
      38  # include_next <complex.h>
      39  # ifdef _GLIBCXX_COMPLEX
      40  // See PR56111, keep the macro in C++03 if possible.
      41  #  undef complex
      42  # endif
      43  #endif
      44  
      45  #ifndef _GLIBCXX_COMPLEX_H
      46  #define _GLIBCXX_COMPLEX_H 1
      47  
      48  #endif