2010-07-26 17:06:36 +00:00
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# /* Copyright (C) 2001
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# * Housemarque Oy
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# * http://www.housemarque.com
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# *
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# * Distributed under the Boost Software License, Version 1.0. (See
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# * accompanying file LICENSE_1_0.txt or copy at
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# * http://www.boost.org/LICENSE_1_0.txt)
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# */
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#
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# /* Revised by Paul Mensonides (2002) */
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#
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# /* See http://www.boost.org for most recent version. */
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#
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# ifndef BOOST_PREPROCESSOR_ARITHMETIC_MUL_HPP
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# define BOOST_PREPROCESSOR_ARITHMETIC_MUL_HPP
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#
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# include <boost/preprocessor/arithmetic/add.hpp>
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# include <boost/preprocessor/arithmetic/dec.hpp>
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# include <boost/preprocessor/config/config.hpp>
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# include <boost/preprocessor/control/while.hpp>
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# include <boost/preprocessor/tuple/elem.hpp>
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# include <boost/preprocessor/tuple/rem.hpp>
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#
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# /* BOOST_PP_MUL */
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#
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# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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# 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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# else
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# define BOOST_PP_MUL(x, y) BOOST_PP_MUL_I(x, y)
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# 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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# endif
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#
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# define BOOST_PP_MUL_P(d, rxy) BOOST_PP_TUPLE_ELEM(3, 2, rxy)
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#
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# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
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# define BOOST_PP_MUL_O(d, rxy) BOOST_PP_MUL_O_IM(d, BOOST_PP_TUPLE_REM_3 rxy)
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# define BOOST_PP_MUL_O_IM(d, im) BOOST_PP_MUL_O_I(d, im)
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# else
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# 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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# endif
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#
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# 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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#
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# /* BOOST_PP_MUL_D */
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#
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# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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# 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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# else
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# define BOOST_PP_MUL_D(d, x, y) BOOST_PP_MUL_D_I(d, x, y)
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# 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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# endif
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#
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# endif
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