source: NonGTP/Boost/boost/preprocessor/arithmetic/detail/div_base.hpp @ 857

Revision 857, 2.6 KB checked in by igarcia, 19 years ago (diff)
Line 
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_DETAIL_DIV_BASE_HPP
15# define BOOST_PREPROCESSOR_ARITHMETIC_DETAIL_DIV_BASE_HPP
16#
17# include <boost/preprocessor/arithmetic/inc.hpp>
18# include <boost/preprocessor/arithmetic/sub.hpp>
19# include <boost/preprocessor/comparison/less_equal.hpp>
20# include <boost/preprocessor/config/config.hpp>
21# include <boost/preprocessor/control/while.hpp>
22# include <boost/preprocessor/tuple/elem.hpp>
23# include <boost/preprocessor/tuple/rem.hpp>
24#
25# /* BOOST_PP_DIV_BASE */
26#
27# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
28#    define BOOST_PP_DIV_BASE(x, y) BOOST_PP_WHILE(BOOST_PP_DIV_BASE_P, BOOST_PP_DIV_BASE_O, (0, x, y))
29# else
30#    define BOOST_PP_DIV_BASE(x, y) BOOST_PP_DIV_BASE_I(x, y)
31#    define BOOST_PP_DIV_BASE_I(x, y) BOOST_PP_WHILE(BOOST_PP_DIV_BASE_P, BOOST_PP_DIV_BASE_O, (0, x, y))
32# endif
33#
34# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
35#    define BOOST_PP_DIV_BASE_P(d, rxy) BOOST_PP_DIV_BASE_P_IM(d, BOOST_PP_TUPLE_REM_3 rxy)
36#    define BOOST_PP_DIV_BASE_P_IM(d, im) BOOST_PP_DIV_BASE_P_I(d, im)
37# else
38#    define BOOST_PP_DIV_BASE_P(d, rxy) BOOST_PP_DIV_BASE_P_I(d, BOOST_PP_TUPLE_ELEM(3, 0, rxy), BOOST_PP_TUPLE_ELEM(3, 1, rxy), BOOST_PP_TUPLE_ELEM(3, 2, rxy))
39# endif
40#
41# define BOOST_PP_DIV_BASE_P_I(d, r, x, y) BOOST_PP_LESS_EQUAL_D(d, y, x)
42#
43# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
44#    define BOOST_PP_DIV_BASE_O(d, rxy) BOOST_PP_DIV_BASE_O_IM(d, BOOST_PP_TUPLE_REM_3 rxy)
45#    define BOOST_PP_DIV_BASE_O_IM(d, im) BOOST_PP_DIV_BASE_O_I(d, im)
46# else
47#    define BOOST_PP_DIV_BASE_O(d, rxy) BOOST_PP_DIV_BASE_O_I(d, BOOST_PP_TUPLE_ELEM(3, 0, rxy), BOOST_PP_TUPLE_ELEM(3, 1, rxy), BOOST_PP_TUPLE_ELEM(3, 2, rxy))
48# endif
49#
50# define BOOST_PP_DIV_BASE_O_I(d, r, x, y) (BOOST_PP_INC(r), BOOST_PP_SUB_D(d, x, y), y)
51#
52# /* BOOST_PP_DIV_BASE_D */
53#
54# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
55#    define BOOST_PP_DIV_BASE_D(d, x, y) BOOST_PP_WHILE_ ## d(BOOST_PP_DIV_BASE_P, BOOST_PP_DIV_BASE_O, (0, x, y))
56# else
57#    define BOOST_PP_DIV_BASE_D(d, x, y) BOOST_PP_DIV_BASE_D_I(d, x, y)
58#    define BOOST_PP_DIV_BASE_D_I(d, x, y) BOOST_PP_WHILE_ ## d(BOOST_PP_DIV_BASE_P, BOOST_PP_DIV_BASE_O, (0, x, y))
59# endif
60#
61# endif
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