1 // -*- C++ -*- compatibility header. 2 3 // Copyright (C) 2007-2014 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 #ifndef _GLIBCXX_COMPLEX_H 30 #define _GLIBCXX_COMPLEX_H 1 31 32 #if __cplusplus >= 201103L 33 # include <ccomplex> 34 #else // C++98 and C++03 35 36 // The C++ <complex> header is incompatible with the C99 <complex.h> header, 37 // they cannot be included into a single translation unit portably. Notably, 38 // C++11's <ccomplex> does not include C99's <complex.h> and in C++11's 39 // <complex.h> is defined to provide only what C++11's <ccomplex> does in a 40 // different namespace. 41 #ifdef _GLIBCXX_COMPLEX 42 # error Cannot include both <complex> and C99's <complex.h> 43 #endif 44 45 // Delegate to a system complex.h if we don't provide it as part of the C++ 46 // implementation. 47 #include_next <complex.h> 48 49 // Provide a define indicating that a C99-style <complex.h> has been included. 50 #define _GLIBCXX_C99_COMPLEX_H 51 52 #endif // C++98 and C++03 53 54 #endif 55
