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_LIST_REST_N_HPP
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15 | # define BOOST_PREPROCESSOR_LIST_REST_N_HPP
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16 | #
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17 | # include <boost/preprocessor/arithmetic/dec.hpp>
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18 | # include <boost/preprocessor/config/config.hpp>
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19 | # include <boost/preprocessor/control/while.hpp>
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20 | # include <boost/preprocessor/list/adt.hpp>
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21 | # include <boost/preprocessor/tuple/elem.hpp>
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22 | #
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23 | # /* BOOST_PP_LIST_REST_N */
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24 | #
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25 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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26 | # define BOOST_PP_LIST_REST_N(count, list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_LIST_REST_N_P, BOOST_PP_LIST_REST_N_O, (list, count)))
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27 | # else
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28 | # define BOOST_PP_LIST_REST_N(count, list) BOOST_PP_LIST_REST_N_I(count, list)
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29 | # define BOOST_PP_LIST_REST_N_I(count, list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_LIST_REST_N_P, BOOST_PP_LIST_REST_N_O, (list, count)))
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30 | # endif
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31 | #
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32 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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33 | # define BOOST_PP_LIST_REST_N_P(d, lc) BOOST_PP_TUPLE_ELEM(2, 1, lc)
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34 | # else
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35 | # define BOOST_PP_LIST_REST_N_P(d, lc) BOOST_PP_LIST_REST_N_P_I lc
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36 | # define BOOST_PP_LIST_REST_N_P_I(list, count) count
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37 | # endif
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38 | #
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39 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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40 | # define BOOST_PP_LIST_REST_N_O(d, lc) (BOOST_PP_LIST_REST(BOOST_PP_TUPLE_ELEM(2, 0, lc)), BOOST_PP_DEC(BOOST_PP_TUPLE_ELEM(2, 1, lc)))
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41 | # else
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42 | # define BOOST_PP_LIST_REST_N_O(d, lc) BOOST_PP_LIST_REST_N_O_I lc
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43 | # define BOOST_PP_LIST_REST_N_O_I(list, count) (BOOST_PP_LIST_REST(list), BOOST_PP_DEC(count))
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44 | # endif
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45 | #
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46 | # /* BOOST_PP_LIST_REST_N_D */
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47 | #
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48 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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49 | # define BOOST_PP_LIST_REST_N_D(d, count, list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_LIST_REST_N_P, BOOST_PP_LIST_REST_N_O, (list, count)))
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50 | # else
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51 | # define BOOST_PP_LIST_REST_N_D(d, count, list) BOOST_PP_LIST_REST_N_D_I(d, count, list)
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52 | # define BOOST_PP_LIST_REST_N_D_I(d, count, list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_LIST_REST_N_P, BOOST_PP_LIST_REST_N_O, (list, count)))
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53 | # endif
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54 | #
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55 | # endif
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