vmd/detail/is_number.hpp

0001
0002 //  (C) Copyright Edward Diener 2011-2015
0003 //  Use, modification and distribution are subject to the Boost Software License,
0004 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0005 //  http://www.boost.org/LICENSE_1_0.txt).
0006
0007 #if !defined(BOOST_VMD_DETAIL_IS_NUMBER_HPP)
0008 #define BOOST_VMD_DETAIL_IS_NUMBER_HPP
0009
0010 #include <boost/preprocessor/control/iif.hpp>
0011 #include <boost/vmd/identity.hpp>
0012 #include <boost/vmd/detail/equal_type.hpp>
0013 #include <boost/vmd/detail/identifier_type.hpp>
0014 #include <boost/vmd/detail/is_identifier.hpp>
0015 #include <boost/vmd/detail/number_registration.hpp>
0016
0017 #define BOOST_VMD_DETAIL_IS_NUMBER_TYPE(vseq) \
0018     BOOST_VMD_DETAIL_EQUAL_TYPE \
0019         ( \
0020         BOOST_VMD_TYPE_NUMBER, \
0021         BOOST_VMD_DETAIL_IDENTIFIER_TYPE(vseq) \
0022         ) \
0023 /**/
0024
0025 #define BOOST_VMD_DETAIL_IS_NUMBER(vseq) \
0026     BOOST_VMD_IDENTITY_RESULT \
0027         ( \
0028         BOOST_PP_IIF \
0029             ( \
0030             BOOST_VMD_DETAIL_IS_IDENTIFIER_SINGLE(vseq), \
0031             BOOST_VMD_DETAIL_IS_NUMBER_TYPE, \
0032             BOOST_VMD_IDENTITY(0) \
0033             ) \
0034         (vseq) \
0035         ) \
0036 /**/
0037
0038 #endif /* BOOST_VMD_DETAIL_IS_NUMBER_HPP */