boost/vmd/is_number.hpp
// (C) Copyright Edward Diener 2011-2015 // Use, modification and distribution are subject to the Boost Software License, // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt). #if !defined(BOOST_VMD_IS_NUMBER_HPP) #define BOOST_VMD_IS_NUMBER_HPP #include <boost/vmd/detail/setup.hpp> #if BOOST_PP_VARIADICS #include <boost/vmd/detail/is_number.hpp> /* The succeeding comments in this file are in doxygen format. */ /** \file */ /** \def BOOST_VMD_IS_NUMBER(sequence) \brief Tests whether a sequence is a Boost PP number. The macro checks to see if a sequence is a Boost PP number. A Boost PP number is a value from 0 to 256. sequence = a possible number returns = 1 if the sequence is a Boost PP number, 0 if it is not. If the input is not a VMD data type this macro could lead to a preprocessor error. This is because the macro uses preprocessor concatenation to determine if the input is a number once it is determined that the input does not start with parenthesis. If the data being concatenated would lead to an invalid preprocessor token the compiler can issue a preprocessor error. */ #define BOOST_VMD_IS_NUMBER(sequence) \ BOOST_VMD_DETAIL_IS_NUMBER(sequence) \ /**/ #endif /* BOOST_PP_VARIADICS */ #endif /* BOOST_VMD_IS_NUMBER_HPP */