control.cxx 1.5 KB

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  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. # include <boost/preprocessor/arithmetic/add.hpp>
  13. # include <boost/preprocessor/arithmetic/dec.hpp>
  14. # include <boost/preprocessor/control.hpp>
  15. # include <libs/preprocessor/test/test.h>
  16. # define TR(x) 1
  17. BEGIN BOOST_PP_EXPR_IIF(0, TR)(0) == 0 END
  18. BEGIN BOOST_PP_EXPR_IIF(1, TR)(0) == 1 END
  19. BEGIN BOOST_PP_EXPR_IF(3, TR)(0) == 1 END
  20. BEGIN BOOST_PP_EXPR_IF(0, TR)(0) == 0 END
  21. BEGIN BOOST_PP_IIF(0, 1, 0) == 0 END
  22. BEGIN BOOST_PP_IIF(1, 1, 0) == 1 END
  23. BEGIN BOOST_PP_IF(0, 1, 0) == 0 END
  24. BEGIN BOOST_PP_IF(9, 1, 0) == 1 END
  25. # define PRED(d, state) state
  26. # define OP_1(d, state) BOOST_PP_DEC(state)
  27. BEGIN BOOST_PP_WHILE(PRED, OP_1, 50) == 0 END
  28. # define OP_2(d, state) BOOST_PP_DEC(BOOST_PP_ADD(BOOST_PP_WHILE(PRED, OP_1, state), state))
  29. # define OP_3(d, state) BOOST_PP_DEC(BOOST_PP_ADD_D(d, BOOST_PP_WHILE_ ## d(PRED, OP_1, state), state))
  30. BEGIN BOOST_PP_WHILE(PRED, OP_2, 10) == 0 END
  31. BEGIN BOOST_PP_WHILE(PRED, OP_3, 10) == 0 END