| 1 | # /* ************************************************************************** |
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| 2 | # * * |
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| 3 | # * (C) Copyright Paul Mensonides 2002. |
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| 4 | # * Distributed under the Boost Software License, Version 1.0. (See |
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| 5 | # * accompanying file LICENSE_1_0.txt or copy at |
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| 6 | # * http://www.boost.org/LICENSE_1_0.txt) |
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| 7 | # * * |
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| 8 | # ************************************************************************** */ |
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| 9 | # |
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| 10 | # /* See http://www.boost.org for most recent version. */ |
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| 11 | # |
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| 12 | # include <boost/preprocessor/arithmetic/add.hpp> |
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| 13 | # include <boost/preprocessor/arithmetic/dec.hpp> |
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| 14 | # include <boost/preprocessor/control.hpp> |
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| 15 | # include <libs/preprocessor/test/test.h> |
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| 16 | |
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| 17 | # define TR(x) 1 |
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| 18 | |
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| 19 | BEGIN BOOST_PP_EXPR_IIF(0, TR)(0) == 0 END |
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| 20 | BEGIN BOOST_PP_EXPR_IIF(1, TR)(0) == 1 END |
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| 21 | |
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| 22 | BEGIN BOOST_PP_EXPR_IF(3, TR)(0) == 1 END |
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| 23 | BEGIN BOOST_PP_EXPR_IF(0, TR)(0) == 0 END |
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| 24 | |
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| 25 | BEGIN BOOST_PP_IIF(0, 1, 0) == 0 END |
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| 26 | BEGIN BOOST_PP_IIF(1, 1, 0) == 1 END |
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| 27 | |
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| 28 | BEGIN BOOST_PP_IF(0, 1, 0) == 0 END |
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| 29 | BEGIN BOOST_PP_IF(9, 1, 0) == 1 END |
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| 30 | |
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| 31 | # define PRED(d, state) state |
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| 32 | # define OP_1(d, state) BOOST_PP_DEC(state) |
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| 33 | |
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| 34 | BEGIN BOOST_PP_WHILE(PRED, OP_1, 50) == 0 END |
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| 35 | |
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| 36 | # define OP_2(d, state) BOOST_PP_DEC(BOOST_PP_ADD(BOOST_PP_WHILE(PRED, OP_1, state), state)) |
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| 37 | # define OP_3(d, state) BOOST_PP_DEC(BOOST_PP_ADD_D(d, BOOST_PP_WHILE_ ## d(PRED, OP_1, state), state)) |
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| 38 | |
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| 39 | BEGIN BOOST_PP_WHILE(PRED, OP_2, 10) == 0 END |
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| 40 | BEGIN BOOST_PP_WHILE(PRED, OP_3, 10) == 0 END |
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