ceph/src/boost/boost/preprocessor/repetition/deduce_r.hpp

   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 # /* Revised by Edward Diener (2020) */
  11 #
  12 # /* See http://www.boost.org for most recent version. */
  13 #
  14 # ifndef BOOST_PREPROCESSOR_REPETITION_DEDUCE_R_HPP
  15 # define BOOST_PREPROCESSOR_REPETITION_DEDUCE_R_HPP
  16 #
  17 # include <boost/preprocessor/config/config.hpp>
  18 #
  19 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  20 #
  21 # include <boost/preprocessor/detail/auto_rec.hpp>
  22 # include <boost/preprocessor/repetition/for.hpp>
  23 #
  24 # /* BOOST_PP_DEDUCE_R */
  25 #
  26 # define BOOST_PP_DEDUCE_R() BOOST_PP_AUTO_REC(BOOST_PP_FOR_P, 256)
  27 #
  28 # else
  29 #
  30 # /* BOOST_PP_DEDUCE_R */
  31 #
  32 # include <boost/preprocessor/arithmetic/dec.hpp>
  33 # include <boost/preprocessor/detail/auto_rec.hpp>
  34 # include <boost/preprocessor/repetition/for.hpp>
  35 # include <boost/preprocessor/config/limits.hpp>
  36 #
  37 # if BOOST_PP_LIMIT_FOR == 256
  38 # define BOOST_PP_DEDUCE_R() BOOST_PP_DEC(BOOST_PP_AUTO_REC(BOOST_PP_FOR_P, 256))
  39 # elif BOOST_PP_LIMIT_FOR == 512
  40 # define BOOST_PP_DEDUCE_R() BOOST_PP_DEC(BOOST_PP_AUTO_REC(BOOST_PP_FOR_P, 512))
  41 # elif BOOST_PP_LIMIT_FOR == 1024
  42 # define BOOST_PP_DEDUCE_R() BOOST_PP_DEC(BOOST_PP_AUTO_REC(BOOST_PP_FOR_P, 1024))
  43 # else
  44 # error Incorrect value for the BOOST_PP_LIMIT_FOR limit
  45 # endif
  46 #
  47 # endif
  48 #
  49 # endif