| 1 | # /* Copyright (C) 2001 |
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| 2 | # * Housemarque Oy |
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| 3 | # * http://www.housemarque.com |
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| 4 | # * |
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| 5 | # * Distributed under the Boost Software License, Version 1.0. (See |
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| 6 | # * accompanying file LICENSE_1_0.txt or copy at |
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| 7 | # * http://www.boost.org/LICENSE_1_0.txt) |
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| 8 | # */ |
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| 9 | # |
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| 10 | # /* Revised by Paul Mensonides (2002) */ |
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| 11 | # |
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| 12 | # /* See http://www.boost.org for most recent version. */ |
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| 13 | # |
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| 14 | # ifndef BOOST_PREPROCESSOR_ARITHMETIC_MUL_HPP |
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| 15 | # define BOOST_PREPROCESSOR_ARITHMETIC_MUL_HPP |
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| 16 | # |
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| 17 | # include <boost/preprocessor/arithmetic/add.hpp> |
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| 18 | # include <boost/preprocessor/arithmetic/dec.hpp> |
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| 19 | # include <boost/preprocessor/config/config.hpp> |
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| 20 | # include <boost/preprocessor/control/while.hpp> |
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| 21 | # include <boost/preprocessor/tuple/elem.hpp> |
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| 22 | # include <boost/preprocessor/tuple/rem.hpp> |
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| 23 | # |
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| 24 | # /* BOOST_PP_MUL */ |
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| 25 | # |
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| 26 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
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| 27 | # 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))) |
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| 28 | # else |
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| 29 | # define BOOST_PP_MUL(x, y) BOOST_PP_MUL_I(x, y) |
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| 30 | # 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))) |
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| 31 | # endif |
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| 32 | # |
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| 33 | # define BOOST_PP_MUL_P(d, rxy) BOOST_PP_TUPLE_ELEM(3, 2, rxy) |
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| 34 | # |
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| 35 | # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT() |
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| 36 | # define BOOST_PP_MUL_O(d, rxy) BOOST_PP_MUL_O_IM(d, BOOST_PP_TUPLE_REM_3 rxy) |
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| 37 | # define BOOST_PP_MUL_O_IM(d, im) BOOST_PP_MUL_O_I(d, im) |
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| 38 | # else |
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| 39 | # 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)) |
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| 40 | # endif |
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| 41 | # |
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| 42 | # define BOOST_PP_MUL_O_I(d, r, x, y) (BOOST_PP_ADD_D(d, r, x), x, BOOST_PP_DEC(y)) |
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| 43 | # |
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| 44 | # /* BOOST_PP_MUL_D */ |
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| 45 | # |
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| 46 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
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| 47 | # 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))) |
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| 48 | # else |
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| 49 | # define BOOST_PP_MUL_D(d, x, y) BOOST_PP_MUL_D_I(d, x, y) |
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| 50 | # 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))) |
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| 51 | # endif |
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| 52 | # |
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| 53 | # endif |
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