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# /* Copyright (C) 2001
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# * http://www.housemarque.com
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# * Permission to copy, use, modify, sell and distribute this software is
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# * granted provided this copyright notice appears in all copies. This
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# * software is provided "as is" without express or implied warranty, and
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# * with no claim as to its suitability for any purpose.
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# /* Revised by Paul Mensonides (2002) */
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# /* See http://www.boost.org for most recent version. */
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# ifndef BOOST_PREPROCESSOR_CONTROL_EXPR_IF_HPP
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# define BOOST_PREPROCESSOR_CONTROL_EXPR_IF_HPP
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# include <boost/preprocessor/config/config.hpp>
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# include <boost/preprocessor/control/expr_iif.hpp>
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# include <boost/preprocessor/logical/bool.hpp>
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# /* BOOST_PP_EXPR_IF */
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# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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# define BOOST_PP_EXPR_IF(cond, expr) BOOST_PP_EXPR_IIF(BOOST_PP_BOOL(cond), expr)
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# define BOOST_PP_EXPR_IF(cond, expr) BOOST_PP_EXPR_IF_I(cond, expr)
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# define BOOST_PP_EXPR_IF_I(cond, expr) BOOST_PP_EXPR_IIF(BOOST_PP_BOOL(cond), expr)