williamr@2: # /* Copyright (C) 2001
williamr@2: #  * Housemarque Oy
williamr@2: #  * http://www.housemarque.com
williamr@2: #  *
williamr@2: #  * Distributed under the Boost Software License, Version 1.0. (See
williamr@2: #  * accompanying file LICENSE_1_0.txt or copy at
williamr@2: #  * http://www.boost.org/LICENSE_1_0.txt)
williamr@2: #  */
williamr@2: #
williamr@2: # /* Revised by Paul Mensonides (2002) */
williamr@2: #
williamr@2: # /* See http://www.boost.org for most recent version. */
williamr@2: #
williamr@2: # ifndef BOOST_PREPROCESSOR_ARITHMETIC_MUL_HPP
williamr@2: # define BOOST_PREPROCESSOR_ARITHMETIC_MUL_HPP
williamr@2: #
williamr@2: # include <boost/preprocessor/arithmetic/add.hpp>
williamr@2: # include <boost/preprocessor/arithmetic/dec.hpp>
williamr@2: # include <boost/preprocessor/config/config.hpp>
williamr@2: # include <boost/preprocessor/control/while.hpp>
williamr@2: # include <boost/preprocessor/tuple/elem.hpp>
williamr@2: # include <boost/preprocessor/tuple/rem.hpp>
williamr@2: #
williamr@2: # /* BOOST_PP_MUL */
williamr@2: #
williamr@2: # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
williamr@2: #    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)))
williamr@2: # else
williamr@2: #    define BOOST_PP_MUL(x, y) BOOST_PP_MUL_I(x, y)
williamr@2: #    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)))
williamr@2: # endif
williamr@2: #
williamr@2: # define BOOST_PP_MUL_P(d, rxy) BOOST_PP_TUPLE_ELEM(3, 2, rxy)
williamr@2: #
williamr@2: # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
williamr@2: #    define BOOST_PP_MUL_O(d, rxy) BOOST_PP_MUL_O_IM(d, BOOST_PP_TUPLE_REM_3 rxy)
williamr@2: #    define BOOST_PP_MUL_O_IM(d, im) BOOST_PP_MUL_O_I(d, im)
williamr@2: # else
williamr@2: #    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))
williamr@2: # endif
williamr@2: #
williamr@2: # define BOOST_PP_MUL_O_I(d, r, x, y) (BOOST_PP_ADD_D(d, r, x), x, BOOST_PP_DEC(y))
williamr@2: #
williamr@2: # /* BOOST_PP_MUL_D */
williamr@2: #
williamr@2: # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
williamr@2: #    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)))
williamr@2: # else
williamr@2: #    define BOOST_PP_MUL_D(d, x, y) BOOST_PP_MUL_D_I(d, x, y)
williamr@2: #    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)))
williamr@2: # endif
williamr@2: #
williamr@2: # endif