libstdc++-v3/testsuite/26_numerics/headers/complex.h/std_c++98.cc

   1 // Copyright (C) 2017-2024 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-do compile { target c++98_only } }
  19 // { dg-add-options strict_std }
  20 // { dg-add-options no_pch }
  21
  22 #include <complex.h>
  23
  24 // Should be equivalent to C99 <complex.h>, not C++ <complex>
  25 #ifndef complex
  26 # error "'complex' is not defined as a macro by <complex.h> for -std=c++98"
  27 #endif
  28 namespace std
  29 {
  30 #undef complex
  31   struct complex;
  32 }
  33
  34 #if _GLIBCXX_HAVE_COMPLEX_H
  35 namespace test
  36 {
  37   using ::cacos;
  38   using ::casin;
  39   using ::catan;
  40   using ::ccos;
  41   using ::csin;
  42   using ::ctan;
  43   using ::ccosh;
  44   using ::csinh;
  45   using ::ctanh;
  46   using ::cexp;
  47   using ::clog;
  48   using ::cabs;
  49   using ::cpow;
  50   using ::csqrt;
  51   using ::carg;
  52   using ::cimag;
  53   using ::conj;
  54   using ::cproj;
  55   using ::creal;
  56 }
  57 #endif