comparison.cpp

C++的一个好库。。。现在很流行

# /* **************************************************************************
#  *                                                                          *
#  *     (C) Copyright Paul Mensonides 2002.
#  *     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)
#  *                                                                          *
#  ************************************************************************** */
#
# /* See http://www.boost.org for most recent version. */
#
# include <boost/preprocessor/comparison.hpp>
# include <libs/preprocessor/test/test.h>

// equality

BEGIN BOOST_PP_EQUAL(2, 0) == 0 END
BEGIN BOOST_PP_EQUAL(2, 2) == 1 END

// inequality

BEGIN BOOST_PP_NOT_EQUAL(2, 0) == 1 END
BEGIN BOOST_PP_NOT_EQUAL(2, 2) == 0 END

// less

BEGIN BOOST_PP_LESS(2, 1) == 0 END
BEGIN BOOST_PP_LESS(1, 2) == 1 END

// less_equal

BEGIN BOOST_PP_LESS_EQUAL(2, 1) == 0 END
BEGIN BOOST_PP_LESS_EQUAL(1, 2) == 1 END
BEGIN BOOST_PP_LESS_EQUAL(2, 2) == 1 END

// greater

BEGIN BOOST_PP_GREATER(2, 1) == 1 END
BEGIN BOOST_PP_GREATER(1, 2) == 0 END

// greater_equal

BEGIN BOOST_PP_GREATER_EQUAL(2, 1) == 1 END
BEGIN BOOST_PP_GREATER_EQUAL(1, 2) == 0 END
BEGIN BOOST_PP_GREATER_EQUAL(2, 2) == 1 END