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- # /* 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
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