support vector clustering for vc++

				# /* Copyright (C) 2001
				#  * Housemarque Oy
				#  * http://www.housemarque.com
				#  *
				#  * Distributed under the Boost Software License, Version 1.0. (See
				#  * accompanying file LICENSE_1_0.txt or copy at
				#  * http://www.boost.org/LICENSE_1_0.txt)
				#  */
				#
				# /* Revised by Paul Mensonides (2002) */
				#
				# /* See http://www.boost.org for most recent version. */
				#
				# ifndef BOOST_PREPROCESSOR_CONTROL_IF_HPP
				# define BOOST_PREPROCESSOR_CONTROL_IF_HPP
				#
				# include 
				# include 
				# include 
				#
				# /* BOOST_PP_IF */
				#
				# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
				#    define BOOST_PP_IF(cond, t, f) BOOST_PP_IIF(BOOST_PP_BOOL(cond), t, f)
				# else
				#    define BOOST_PP_IF(cond, t, f) BOOST_PP_IF_I(cond, t, f)
				#    define BOOST_PP_IF_I(cond, t, f) BOOST_PP_IIF(BOOST_PP_BOOL(cond), t, f)
				# endif
				#
				# endif