#ifndef BOOST_PREPROCESSOR_COMMA_IF_HPP
#define BOOST_PREPROCESSOR_COMMA_IF_HPP

/* Copyright (C) 2001
 * Housemarque Oy
 * http://www.housemarque.com
 *
 * Permission to copy, use, modify, sell and distribute this software is
 * granted provided this copyright notice appears in all copies. This
 * software is provided "as is" without express or implied warranty, and
 * with no claim as to its suitability for any purpose.
 *
 * See http://www.boost.org for most recent version.
 */

/** \file

<a href="../../../../boost/preprocessor/comma_if.hpp">Click here to see the header.</a>
*/

#include <boost/preprocessor/comma.hpp>
#include <boost/preprocessor/empty.hpp>
#include <boost/preprocessor/if.hpp>

/** Expands to a comma if C != 0 and nothing if C == 0. */
#define BOOST_PP_COMMA_IF(C) BOOST_PP_IF(C,BOOST_PP_COMMA,BOOST_PP_EMPTY)()

/** Obsolete. Use BOOST_PP_COMMA_IF(). */
#define BOOST_PREPROCESSOR_COMMA_IF(C) BOOST_PP_COMMA_IF(C)
#endif