blob: 5a29f554f5724b0b5a8aeb50d44c5e00ddfc67d1 [file] [log] [blame]
# /* Copyright (C) 2001
# * Housemarque Oy
# * http://www.housemarque.com
# *
# * Distributed under 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)
# */
#
# /* Revised by Paul Mensonides (2002) */
#
# /* See http://www.boost.org for most recent version. */
#
# ifndef BOOST_PREPROCESSOR_ARITHMETIC_ADD_HPP
# define BOOST_PREPROCESSOR_ARITHMETIC_ADD_HPP
#
# include <boost/preprocessor/arithmetic/dec.hpp>
# include <boost/preprocessor/arithmetic/inc.hpp>
# include <boost/preprocessor/config/config.hpp>
# include <boost/preprocessor/control/while.hpp>
# include <boost/preprocessor/tuple/elem.hpp>
#
# /* BOOST_PP_ADD */
#
# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
# define BOOST_PP_ADD(x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_ADD_P, BOOST_PP_ADD_O, (x, y)))
# else
# define BOOST_PP_ADD(x, y) BOOST_PP_ADD_I(x, y)
# define BOOST_PP_ADD_I(x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_ADD_P, BOOST_PP_ADD_O, (x, y)))
# endif
#
# define BOOST_PP_ADD_P(d, xy) BOOST_PP_TUPLE_ELEM(2, 1, xy)
#
# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
# define BOOST_PP_ADD_O(d, xy) BOOST_PP_ADD_O_I xy
# else
# define BOOST_PP_ADD_O(d, xy) BOOST_PP_ADD_O_I(BOOST_PP_TUPLE_ELEM(2, 0, xy), BOOST_PP_TUPLE_ELEM(2, 1, xy))
# endif
#
# define BOOST_PP_ADD_O_I(x, y) (BOOST_PP_INC(x), BOOST_PP_DEC(y))
#
# /* BOOST_PP_ADD_D */
#
# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
# define BOOST_PP_ADD_D(d, x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_ADD_P, BOOST_PP_ADD_O, (x, y)))
# else
# define BOOST_PP_ADD_D(d, x, y) BOOST_PP_ADD_D_I(d, x, y)
# define BOOST_PP_ADD_D_I(d, x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_ADD_P, BOOST_PP_ADD_O, (x, y)))
# endif
#
# endif