1 # /* Copyright (C) 2001
3 # * http://www.housemarque.com
5 # * Distributed under the Boost Software License, Version 1.0. (See
6 # * accompanying file LICENSE_1_0.txt or copy at
7 # * http://www.boost.org/LICENSE_1_0.txt)
10 # /* Revised by Paul Mensonides (2002) */
12 # /* See http://www.boost.org for most recent version. */
14 # ifndef BOOST_PREPROCESSOR_COMPARISON_LESS_HPP
15 # define BOOST_PREPROCESSOR_COMPARISON_LESS_HPP
17 # include <boost/preprocessor/comparison/less_equal.hpp>
18 # include <boost/preprocessor/comparison/not_equal.hpp>
19 # include <boost/preprocessor/config/config.hpp>
20 # include <boost/preprocessor/control/iif.hpp>
21 # include <boost/preprocessor/logical/bitand.hpp>
22 # include <boost/preprocessor/tuple/eat.hpp>
26 # if BOOST_PP_CONFIG_FLAGS() & (BOOST_PP_CONFIG_MWCC() | BOOST_PP_CONFIG_DMC())
27 # define BOOST_PP_LESS(x, y) BOOST_PP_BITAND(BOOST_PP_NOT_EQUAL(x, y), BOOST_PP_LESS_EQUAL(x, y))
28 # elif ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
29 # 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)
31 # define BOOST_PP_LESS(x, y) BOOST_PP_LESS_I(x, y)
32 # 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)
35 # /* BOOST_PP_LESS_D */
37 # if BOOST_PP_CONFIG_FLAGS() & (BOOST_PP_CONFIG_MWCC() | BOOST_PP_CONFIG_DMC())
38 # 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))
39 # elif ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
40 # 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)
42 # define BOOST_PP_LESS_D(d, x, y) BOOST_PP_LESS_D_I(d, x, y)
43 # 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)