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 williamr@2: # include williamr@2: # include williamr@2: # include williamr@2: # include williamr@2: # include 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