1 | # /* Copyright (C) 2001 |
2 | # * Housemarque Oy |
3 | # * http://www.housemarque.com |
4 | # * |
5 | # * Distributed under the Boost Software License, Version 1.0. (See |
6 | # * accompanying file LICENSE_1_0.txt or copy at |
7 | # * http://www.boost.org/LICENSE_1_0.txt) |
8 | # */ |
9 | # |
10 | # /* Revised by Paul Mensonides (2002) */ |
11 | # |
12 | # /* See http://www.boost.org for most recent version. */ |
13 | # |
14 | # ifndef BOOST_PREPROCESSOR_ARITHMETIC_MUL_HPP |
15 | # define BOOST_PREPROCESSOR_ARITHMETIC_MUL_HPP |
16 | # |
17 | # include <boost/preprocessor/arithmetic/add.hpp> |
18 | # include <boost/preprocessor/arithmetic/dec.hpp> |
19 | # include <boost/preprocessor/config/config.hpp> |
20 | # include <boost/preprocessor/control/while.hpp> |
21 | # include <boost/preprocessor/tuple/elem.hpp> |
22 | # include <boost/preprocessor/tuple/rem.hpp> |
23 | # |
24 | # /* BOOST_PP_MUL */ |
25 | # |
26 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
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))) |
28 | # else |
29 | # define BOOST_PP_MUL(x, y) BOOST_PP_MUL_I(x, y) |
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))) |
31 | # endif |
32 | # |
33 | # define BOOST_PP_MUL_P(d, rxy) BOOST_PP_TUPLE_ELEM(3, 2, rxy) |
34 | # |
35 | # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT() |
36 | # define BOOST_PP_MUL_O(d, rxy) BOOST_PP_MUL_O_IM(d, BOOST_PP_TUPLE_REM_3 rxy) |
37 | # define BOOST_PP_MUL_O_IM(d, im) BOOST_PP_MUL_O_I(d, im) |
38 | # else |
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)) |
40 | # endif |
41 | # |
42 | # define BOOST_PP_MUL_O_I(d, r, x, y) (BOOST_PP_ADD_D(d, r, x), x, BOOST_PP_DEC(y)) |
43 | # |
44 | # /* BOOST_PP_MUL_D */ |
45 | # |
46 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
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))) |
48 | # else |
49 | # define BOOST_PP_MUL_D(d, x, y) BOOST_PP_MUL_D_I(d, x, y) |
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))) |
51 | # endif |
52 | # |
53 | # endif |
54 | |