is_pod.hpp

00001 /*
00002 This file is part of GraphLab.
00003 
00004 GraphLab is free software: you can redistribute it and/or modify
00005 it under the terms of the GNU Lesser General Public License as 
00006 published by the Free Software Foundation, either version 3 of 
00007 the License, or (at your option) any later version.
00008 
00009 GraphLab is distributed in the hope that it will be useful,
00010 but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 GNU Lesser General Public License for more details.
00013 
00014 You should have received a copy of the GNU Lesser General Public 
00015 License along with GraphLab.  If not, see <http://www.gnu.org/licenses/>.
00016 */
00017 
00018 #ifndef GRAPHLAB_IS_POD_HPP
00019 #define GRAPHLAB_IS_POD_HPP
00020 #include <boost/type_traits.hpp>
00021 
00022 namespace graphlab {
00023 
00024   template <typename T>
00025   struct gl_is_pod{
00026     // it is a pod and is not an integer since we have special handlings for integers
00027 
00028     // (T is POD and  T is not an integer of size >= 2)
00029     BOOST_STATIC_CONSTANT(bool, value =
00030                           (
00031                            boost::type_traits::ice_and<
00032                              boost::is_pod<T>::value,
00033                              boost::type_traits::ice_not<
00034                                boost::type_traits::ice_and<
00035                                  boost::is_integral<T>::value,
00036                                  sizeof(T) >= 2
00037                                  >::value
00038                                >::value
00039                              >::value
00040                           ));
00041 
00042   };
00043 
00044 }
00045 
00046 #endif
00047 
00048 
00049