| # /* 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_MUL_HPP |
| # define BOOST_PREPROCESSOR_ARITHMETIC_MUL_HPP |
| # |
| # include <boost/preprocessor/arithmetic/add.hpp> |
| # include <boost/preprocessor/arithmetic/dec.hpp> |
| # include <boost/preprocessor/config/config.hpp> |
| # include <boost/preprocessor/control/while.hpp> |
| # include <boost/preprocessor/tuple/elem.hpp> |
| # include <boost/preprocessor/tuple/rem.hpp> |
| # |
| # /* BOOST_PP_MUL */ |
| # |
| # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
| # define BOOST_PP_MUL(x, y) BOOST_PP_TUPLE_ELEM(3, 0, BOOST_PP_WHILE(BOOST_PP_MUL_P, BOOST_PP_MUL_O, (0, x, y))) |
| # else |
| # define BOOST_PP_MUL(x, y) BOOST_PP_MUL_I(x, y) |
| # define BOOST_PP_MUL_I(x, y) BOOST_PP_TUPLE_ELEM(3, 0, BOOST_PP_WHILE(BOOST_PP_MUL_P, BOOST_PP_MUL_O, (0, x, y))) |
| # endif |
| # |
| # define BOOST_PP_MUL_P(d, rxy) BOOST_PP_TUPLE_ELEM(3, 2, rxy) |
| # |
| # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT() |
| # define BOOST_PP_MUL_O(d, rxy) BOOST_PP_MUL_O_IM(d, BOOST_PP_TUPLE_REM_3 rxy) |
| # define BOOST_PP_MUL_O_IM(d, im) BOOST_PP_MUL_O_I(d, im) |
| # else |
| # define BOOST_PP_MUL_O(d, rxy) BOOST_PP_MUL_O_I(d, BOOST_PP_TUPLE_ELEM(3, 0, rxy), BOOST_PP_TUPLE_ELEM(3, 1, rxy), BOOST_PP_TUPLE_ELEM(3, 2, rxy)) |
| # endif |
| # |
| # define BOOST_PP_MUL_O_I(d, r, x, y) (BOOST_PP_ADD_D(d, r, x), x, BOOST_PP_DEC(y)) |
| # |
| # /* BOOST_PP_MUL_D */ |
| # |
| # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
| # define BOOST_PP_MUL_D(d, x, y) BOOST_PP_TUPLE_ELEM(3, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_MUL_P, BOOST_PP_MUL_O, (0, x, y))) |
| # else |
| # define BOOST_PP_MUL_D(d, x, y) BOOST_PP_MUL_D_I(d, x, y) |
| # define BOOST_PP_MUL_D_I(d, x, y) BOOST_PP_TUPLE_ELEM(3, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_MUL_P, BOOST_PP_MUL_O, (0, x, y))) |
| # endif |
| # |
| # endif |