TooN 2.0.0-beta8
internal/typeof.hh
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