libstdc++-v3/testsuite/26_numerics/headers/complex.h/std_c++11.h

   1 // Copyright (C) 2017-2023 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-options "-std=c++11" }
  19
  20 #include <complex.h>
  21
  22 // Should be equivalent to #include <complex>
  23 template class std::complex<double>;
  24
  25 #ifdef complex
  26 # error "'complex' is defined as a macro by <complex.h> for -std=c++11"
  27 #endif
  28 #ifdef imaginary
  29 # error "'imaginary' is defined as a macro by <complex.h> for -std=c++11"
  30 #endif
  31 #ifdef I
  32 # error "'I' is defined as a macro by <complex.h> for -std=c++11"
  33 #endif