1 # /* **************************************************************************
2 #  *                                                                          *
3 #  *     (C) Copyright Paul Mensonides 2002.
4 #  *     Distributed under the Boost Software License, Version 1.0. (See
5 #  *     accompanying file LICENSE_1_0.txt or copy at
6 #  *     http://www.boost.org/LICENSE_1_0.txt)
7 #  *                                                                          *
8 #  ************************************************************************** */
9 #
10 # /* See http://www.boost.org for most recent version. */
11 #
12 # ifndef BOOST_PREPROCESSOR_CONTROL_IIF_HPP
13 # define BOOST_PREPROCESSOR_CONTROL_IIF_HPP
14 #
15 # include <boost/preprocessor/config/config.hpp>
16 #
17 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
18 #    define BOOST_PP_IIF(bit, t, f) BOOST_PP_IIF_I(bit, t, f)
19 # else
20 #    define BOOST_PP_IIF(bit, t, f) BOOST_PP_IIF_OO((bit, t, f))
21 #    define BOOST_PP_IIF_OO(par) BOOST_PP_IIF_I ## par
22 # endif
23 #
24 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
25 #    define BOOST_PP_IIF_I(bit, t, f) BOOST_PP_IIF_ ## bit(t, f)
26 # else
27 #    define BOOST_PP_IIF_I(bit, t, f) BOOST_PP_IIF_II(BOOST_PP_IIF_ ## bit(t, f))
28 #    define BOOST_PP_IIF_II(id) id
29 # endif
30 #
31 # define BOOST_PP_IIF_0(t, f) f
32 # define BOOST_PP_IIF_1(t, f) t
33 #
34 # endif
35