forked from boostorg/preprocessor
37 lines
1.5 KiB
C++
37 lines
1.5 KiB
C++
# /* **************************************************************************
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# * *
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# * (C) Copyright Paul Mensonides 2002. Permission to copy, use, *
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# * modify, sell, and distribute this software is granted provided *
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# * this copyright notice appears in all copies. This software is *
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# * provided "as is" without express or implied warranty, and with *
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# * no claim at to its suitability for any purpose. *
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# * *
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# ************************************************************************** */
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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_CONTROL_IIF_HPP
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# define BOOST_PREPROCESSOR_CONTROL_IIF_HPP
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#
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# include <boost/preprocessor/cat.hpp>
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# include <boost/preprocessor/config/config.hpp>
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#
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# /* BOOST_PP_IIF */
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#
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# if BOOST_PP_CONFIG_FLAGS & BOOST_PP_CONFIG_IDEAL
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# define BOOST_PP_IIF(bit, t, f) BOOST_PP_CAT(BOOST_PP_IIF_, bit)(t, f)
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# else
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# if ~BOOST_PP_CONFIG_FLAGS & BOOST_PP_CONFIG_MWCW
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# define BOOST_PP_IIF(bit, t, f) BOOST_PP_IIF_D(bit, t, f)
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# else
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# define BOOST_PP_IIF(bit, t, f) BOOST_PP_EVIL_IIF_D((bit, t, f))
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# define BOOST_PP_EVIL_IIF_D(par) BOOST_PP_IIF_D ## par
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# endif
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# define BOOST_PP_IIF_D(bit, t, f) BOOST_PP_IIF_ ## bit(t, f)
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# endif
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#
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# define BOOST_PP_IIF_0(t, f) f
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# define BOOST_PP_IIF_1(t, f) t
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#
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# endif
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