compute/detail/variadic_macros.hpp

0001 //---------------------------------------------------------------------------//
0002 // Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
0003 //
0004 // Distributed under the Boost Software License, Version 1.0
0005 // See accompanying file LICENSE_1_0.txt or copy at
0006 // http://www.boost.org/LICENSE_1_0.txt
0007 //
0008 // See http://boostorg.github.com/compute for more information.
0009 //---------------------------------------------------------------------------//
0010
0011 #ifndef BOOST_COMPUTE_DETAIL_VARIDAIC_MACROS_HPP
0012 #define BOOST_COMPUTE_DETAIL_VARIDAIC_MACROS_HPP
0013
0014 #include <boost/preprocessor/cat.hpp>
0015 #include <boost/preprocessor/config/config.hpp>
0016 #include <boost/preprocessor/tuple/to_seq.hpp>
0017
0018 #if BOOST_PP_VARIADICS == 1
0019 #  include <boost/preprocessor/variadic/size.hpp>
0020 #endif
0021
0022 #ifdef BOOST_PP_VARIADIC_SIZE
0023 #  define BOOST_COMPUTE_PP_VARIADIC_SIZE BOOST_PP_VARIADIC_SIZE
0024 #else
0025 #  define BOOST_COMPUTE_PP_VARIADIC_SIZE(...) BOOST_COMPUTE_PP_VARIADIC_SIZE_I(__VA_ARGS__, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1,)
0026 #  define BOOST_COMPUTE_PP_VARIADIC_SIZE_I(e0, e1, e2, e3, e4, e5, e6, e7, e8, e9, e10, e11, e12, e13, e14, e15, e16, e17, e18, e19, e20, e21, e22, e23, e24, e25, e26, e27, e28, e29, e30, e31, e32, e33, e34, e35, e36, e37, e38, e39, e40, e41, e42, e43, e44, e45, e46, e47, e48, e49, e50, e51, e52, e53, e54, e55, e56, e57, e58, e59, e60, e61, e62, e63, size, ...) size
0027 #endif
0028
0029 #define BOOST_COMPUTE_PP_TUPLE_SIZE(tuple) \
0030     BOOST_COMPUTE_PP_VARIADIC_SIZE tuple
0031
0032 #define BOOST_COMPUTE_PP_TUPLE_TO_SEQ(tuple) \
0033     BOOST_PP_TUPLE_TO_SEQ(BOOST_COMPUTE_PP_TUPLE_SIZE(tuple), tuple)
0034
0035 #endif // BOOST_COMPUTE_DETAIL_VARIDAIC_MACROS_HPP