williamr@2: # /* **************************************************************************
williamr@2: #  *                                                                          *
williamr@2: #  *     (C) Copyright Paul Mensonides 2002.
williamr@2: #  *     Distributed under the Boost Software License, Version 1.0. (See
williamr@2: #  *     accompanying file LICENSE_1_0.txt or copy at
williamr@2: #  *     http://www.boost.org/LICENSE_1_0.txt)
williamr@2: #  *                                                                          *
williamr@2: #  ************************************************************************** */
williamr@2: #
williamr@2: # /* See http://www.boost.org for most recent version. */
williamr@2: #
williamr@2: # ifndef BOOST_PREPROCESSOR_PUNCTUATION_PAREN_IF_HPP
williamr@2: # define BOOST_PREPROCESSOR_PUNCTUATION_PAREN_IF_HPP
williamr@2: #
williamr@2: # include <boost/preprocessor/config/config.hpp>
williamr@2: # include <boost/preprocessor/control/if.hpp>
williamr@2: # include <boost/preprocessor/facilities/empty.hpp>
williamr@2: # include <boost/preprocessor/punctuation/paren.hpp>
williamr@2: #
williamr@2: # /* BOOST_PP_LPAREN_IF */
williamr@2: #
williamr@2: # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
williamr@2: #    define BOOST_PP_LPAREN_IF(cond) BOOST_PP_IF(cond, BOOST_PP_LPAREN, BOOST_PP_EMPTY)()
williamr@2: # else
williamr@2: #    define BOOST_PP_LPAREN_IF(cond) BOOST_PP_LPAREN_IF_I(cond)
williamr@2: #    define BOOST_PP_LPAREN_IF_I(cond) BOOST_PP_IF(cond, BOOST_PP_LPAREN, BOOST_PP_EMPTY)()
williamr@2: # endif
williamr@2: #
williamr@2: # /* BOOST_PP_RPAREN_IF */
williamr@2: #
williamr@2: # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
williamr@2: #    define BOOST_PP_RPAREN_IF(cond) BOOST_PP_IF(cond, BOOST_PP_RPAREN, BOOST_PP_EMPTY)()
williamr@2: # else
williamr@2: #    define BOOST_PP_RPAREN_IF(cond) BOOST_PP_RPAREN_IF_I(cond)
williamr@2: #    define BOOST_PP_RPAREN_IF_I(cond) BOOST_PP_IF(cond, BOOST_PP_RPAREN, BOOST_PP_EMPTY)()
williamr@2: # endif
williamr@2: #
williamr@2: # endif