arithmetic/detail/div_base.hpp

0001 # /* Copyright (C) 2001
0002 #  * Housemarque Oy
0003 #  * http://www.housemarque.com
0004 #  *
0005 #  * Distributed under the Boost Software License, Version 1.0. (See
0006 #  * accompanying file LICENSE_1_0.txt or copy at
0007 #  * http://www.boost.org/LICENSE_1_0.txt)
0008 #  */
0009 0010 ">#
0011 # /* Revised by Paul Mensonides (2002) */
0012 0013 ">#
0014 # /* See http://www.boost.org for most recent version. */
0015 0016 ">#
0017 # ifndef BOOST_PREPROCESSOR_ARITHMETIC_DETAIL_DIV_BASE_HPP
0018 # define BOOST_PREPROCESSOR_ARITHMETIC_DETAIL_DIV_BASE_HPP
0019 0020 ">#
0021 # include <boost/preprocessor/arithmetic/inc.hpp>
0022 # include <boost/preprocessor/arithmetic/sub.hpp>
0023 # include <boost/preprocessor/comparison/less_equal.hpp>
0024 # include <boost/preprocessor/config/config.hpp>
0025 # include <boost/preprocessor/control/while.hpp>
0026 # include <boost/preprocessor/tuple/elem.hpp>
0027 # include <boost/preprocessor/tuple/rem.hpp>
0028 0029 ">#
0030 # /* BOOST_PP_DIV_BASE */
0031 0032 ">#
0033 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
0034 #    define BOOST_PP_DIV_BASE(x, y) BOOST_PP_WHILE(BOOST_PP_DIV_BASE_P, BOOST_PP_DIV_BASE_O, (0, x, y))
0035 # else
0036 #    define BOOST_PP_DIV_BASE(x, y) BOOST_PP_DIV_BASE_I(x, y)
0037 #    define BOOST_PP_DIV_BASE_I(x, y) BOOST_PP_WHILE(BOOST_PP_DIV_BASE_P, BOOST_PP_DIV_BASE_O, (0, x, y))
0038 # endif
0039 0040 ">#
0041 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
0042 #    define BOOST_PP_DIV_BASE_P(d, rxy) BOOST_PP_DIV_BASE_P_IM(d, BOOST_PP_TUPLE_REM_3 rxy)
0043 #    define BOOST_PP_DIV_BASE_P_IM(d, im) BOOST_PP_DIV_BASE_P_I(d, im)
0044 # else
0045 #    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))
0046 # endif
0047 0048 ">#
0049 # define BOOST_PP_DIV_BASE_P_I(d, r, x, y) BOOST_PP_LESS_EQUAL_D(d, y, x)
0050 0051 ">#
0052 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
0053 #    define BOOST_PP_DIV_BASE_O(d, rxy) BOOST_PP_DIV_BASE_O_IM(d, BOOST_PP_TUPLE_REM_3 rxy)
0054 #    define BOOST_PP_DIV_BASE_O_IM(d, im) BOOST_PP_DIV_BASE_O_I(d, im)
0055 # else
0056 #    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))
0057 # endif
0058 0059 ">#
0060 # define BOOST_PP_DIV_BASE_O_I(d, r, x, y) (BOOST_PP_INC(r), BOOST_PP_SUB_D(d, x, y), y)
0061 0062 ">#
0063 # /* BOOST_PP_DIV_BASE_D */
0064 0065 ">#
0066 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
0067 #    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))
0068 # else
0069 #    define BOOST_PP_DIV_BASE_D(d, x, y) BOOST_PP_DIV_BASE_D_I(d, x, y)
0070 #    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))
0071 # endif
0072 0073 ">#
0074 # endif