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1 | # /* ************************************************************************** |
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2 | # * * |
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3 | # * (C) Copyright Paul Mensonides 2002. |
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4 | # * Distributed under the Boost Software License, Version 1.0. (See |
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5 | # * accompanying file LICENSE_1_0.txt or copy at |
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6 | # * http://www.boost.org/LICENSE_1_0.txt) |
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7 | # * * |
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8 | # ************************************************************************** */ |
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9 | # |
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10 | # /* See http://www.boost.org for most recent version. */ |
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11 | # |
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12 | # ifndef BOOST_PREPROCESSOR_CONTROL_EXPR_IIF_HPP |
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13 | # define BOOST_PREPROCESSOR_CONTROL_EXPR_IIF_HPP |
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14 | # |
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15 | # include <boost/preprocessor/config/config.hpp> |
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16 | # |
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17 | # /* BOOST_PP_EXPR_IIF */ |
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18 | # |
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19 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC() |
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20 | # define BOOST_PP_EXPR_IIF(bit, expr) BOOST_PP_EXPR_IIF_I(bit, expr) |
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21 | # else |
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22 | # define BOOST_PP_EXPR_IIF(bit, expr) BOOST_PP_EXPR_IIF_OO((bit, expr)) |
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23 | # define BOOST_PP_EXPR_IIF_OO(par) BOOST_PP_EXPR_IIF_I ## par |
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24 | # endif |
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25 | # |
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26 | # define BOOST_PP_EXPR_IIF_I(bit, expr) BOOST_PP_EXPR_IIF_ ## bit(expr) |
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27 | # |
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28 | # define BOOST_PP_EXPR_IIF_0(expr) |
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29 | # define BOOST_PP_EXPR_IIF_1(expr) expr |
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30 | # |
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31 | # endif |
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