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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_PUNCTUATION_PAREN_IF_HPP
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13 # define BOOST_PREPROCESSOR_PUNCTUATION_PAREN_IF_HPP
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14 #
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15 # include <boost/preprocessor/config/config.hpp>
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16 # include <boost/preprocessor/control/if.hpp>
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17 # include <boost/preprocessor/facilities/empty.hpp>
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18 # include <boost/preprocessor/punctuation/paren.hpp>
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19 #
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20 # /* BOOST_PP_LPAREN_IF */
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21 #
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22 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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23 # define BOOST_PP_LPAREN_IF(cond) BOOST_PP_IF(cond, BOOST_PP_LPAREN, BOOST_PP_EMPTY)()
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24 # else
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25 # define BOOST_PP_LPAREN_IF(cond) BOOST_PP_LPAREN_IF_I(cond)
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26 # define BOOST_PP_LPAREN_IF_I(cond) BOOST_PP_IF(cond, BOOST_PP_LPAREN, BOOST_PP_EMPTY)()
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27 # endif
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28 #
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29 # /* BOOST_PP_RPAREN_IF */
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30 #
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31 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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32 # define BOOST_PP_RPAREN_IF(cond) BOOST_PP_IF(cond, BOOST_PP_RPAREN, BOOST_PP_EMPTY)()
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33 # else
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34 # define BOOST_PP_RPAREN_IF(cond) BOOST_PP_RPAREN_IF_I(cond)
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35 # define BOOST_PP_RPAREN_IF_I(cond) BOOST_PP_IF(cond, BOOST_PP_RPAREN, BOOST_PP_EMPTY)()
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36 # endif
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37 #
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38 # endif
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