preprocessor/comparison/less.hpp

0001 # /* Copyright (C) 2001
0002 #  * Housemarque Oy
0003 #  * http://www.housemarque.com
0004 #  *
0005 #  * Distributed under the Boost Software License, Version 1.0. (See
0006 #  * accompanying file LICENSE_1_0.txt or copy at
0007 #  * http://www.boost.org/LICENSE_1_0.txt)
0008 #  */
0009 0010 ">#
0011 # /* Revised by Paul Mensonides (2002) */
0012 0013 ">#
0014 # /* See http://www.boost.org for most recent version. */
0015 0016 ">#
0017 # ifndef BOOST_PREPROCESSOR_COMPARISON_LESS_HPP
0018 # define BOOST_PREPROCESSOR_COMPARISON_LESS_HPP
0019 0020 ">#
0021 # include <boost/preprocessor/comparison/less_equal.hpp>
0022 # include <boost/preprocessor/comparison/not_equal.hpp>
0023 # include <boost/preprocessor/config/config.hpp>
0024 # include <boost/preprocessor/control/iif.hpp>
0025 # include <boost/preprocessor/logical/bitand.hpp>
0026 # include <boost/preprocessor/tuple/eat.hpp>
0027 0028 ">#
0029 # /* BOOST_PP_LESS */
0030 0031 ">#
0032 # if BOOST_PP_CONFIG_FLAGS() & (BOOST_PP_CONFIG_MWCC() | BOOST_PP_CONFIG_DMC())
0033 #    define BOOST_PP_LESS(x, y) BOOST_PP_BITAND(BOOST_PP_NOT_EQUAL(x, y), BOOST_PP_LESS_EQUAL(x, y))
0034 # elif ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
0035 #    define BOOST_PP_LESS(x, y) BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(x, y), BOOST_PP_LESS_EQUAL, 0 BOOST_PP_TUPLE_EAT_2)(x, y)
0036 # else
0037 #    define BOOST_PP_LESS(x, y) BOOST_PP_LESS_I(x, y)
0038 #    define BOOST_PP_LESS_I(x, y) BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(x, y), BOOST_PP_LESS_EQUAL, 0 BOOST_PP_TUPLE_EAT_2)(x, y)
0039 # endif
0040 0041 ">#
0042 # /* BOOST_PP_LESS_D */
0043 0044 ">#
0045 # if BOOST_PP_CONFIG_FLAGS() & (BOOST_PP_CONFIG_MWCC() | BOOST_PP_CONFIG_DMC())
0046 #    define BOOST_PP_LESS_D(d, x, y) BOOST_PP_BITAND(BOOST_PP_NOT_EQUAL(x, y), BOOST_PP_LESS_EQUAL_D(d, x, y))
0047 # elif ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
0048 #    define BOOST_PP_LESS_D(d, x, y) BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(x, y), BOOST_PP_LESS_EQUAL_D, 0 BOOST_PP_TUPLE_EAT_3)(d, x, y)
0049 # else
0050 #    define BOOST_PP_LESS_D(d, x, y) BOOST_PP_LESS_D_I(d, x, y)
0051 #    define BOOST_PP_LESS_D_I(d, x, y) BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(x, y), BOOST_PP_LESS_EQUAL_D, 0 BOOST_PP_TUPLE_EAT_3)(d, x, y)
0052 # endif
0053 0054 ">#
0055 # endif