typeof.hh
Go to the documentation of this file.00001 // -*- c++ -*- 00002 00003 // Copyright (C) 2009 Ed Rosten (er258@cam.ac.uk) 00004 // 00005 // This file is part of the TooN Library. This library is free 00006 // software; you can redistribute it and/or modify it under the 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 2, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // You should have received a copy of the GNU General Public License along 00017 // with this library; see the file COPYING. If not, write to the Free 00018 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 00019 // USA. 00020 00021 // As a special exception, you may use this file as part of a free software 00022 // library without restriction. Specifically, if other files instantiate 00023 // templates or use macros or inline functions from this file, or you compile 00024 // this file and link it with other files to produce an executable, this 00025 // file does not by itself cause the resulting executable to be covered by 00026 // the GNU General Public License. This exception does not however 00027 // invalidate any other reasons why the executable file might be covered by 00028 // the GNU General Public License. 00029 00030 #ifdef TOON_TYPEOF_DECLTYPE 00031 #define TOON_TYPEOF(X) decltype((X)) 00032 #elif defined TOON_TYPEOF_TYPEOF 00033 #define TOON_TYPEOF(X) typeof((X)) 00034 #elif defined TOON_TYPEOF___TYPEOF__ 00035 #define TOON_TYPEOF(X) __typeof__((X)) 00036 #elif defined TOON_TYPEOF_BOOST 00037 #include <boost/typeof/typeof.hpp> 00038 #define TOON_TYPEOF(X) BOOST_TYPEOF((X)) 00039 #else 00040 #include <complex> 00041 namespace TooN{ 00042 namespace Internal{ 00043 #include <TooN/internal/builtin_typeof.h> 00044 } 00045 } 00046 #define TOON_TYPEOF(X) typename Internal::DeEnumerate<sizeof Internal::enumerate(X)>::type 00047 #endif