2 #ifndef BOOST_MPL_MATH_IS_EVEN_HPP_INCLUDED
\r
3 #define BOOST_MPL_MATH_IS_EVEN_HPP_INCLUDED
\r
5 // Copyright Aleksey Gurtovoy 2000-2004
\r
7 // Distributed under the Boost Software License, Version 1.0.
\r
8 // (See accompanying file LICENSE_1_0.txt or copy at
\r
9 // http://www.boost.org/LICENSE_1_0.txt)
\r
11 // See http://www.boost.org/libs/mpl for documentation.
\r
13 // $Id: is_even.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
\r
14 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
\r
15 // $Revision: 49267 $
\r
17 #include <boost/mpl/bool.hpp>
\r
18 #include <boost/mpl/aux_/na_spec.hpp>
\r
19 #include <boost/mpl/aux_/lambda_support.hpp>
\r
20 #include <boost/mpl/aux_/config/msvc.hpp>
\r
21 #include <boost/mpl/aux_/config/workaround.hpp>
\r
23 namespace boost { namespace mpl {
\r
25 #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
\r
31 enum { value = (N::value % 2) == 0 };
\r
32 typedef bool_<value> type;
\r
38 typename BOOST_MPL_AUX_NA_PARAM(N)
\r
41 #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
\r
42 : aux::is_even_base<N>::type
\r
44 : bool_<((N::value % 2) == 0)>
\r
47 BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_even,(N))
\r
50 BOOST_MPL_AUX_NA_SPEC(1, is_even)
\r
54 #endif // BOOST_MPL_MATH_IS_EVEN_HPP_INCLUDED
\r