epoc32/include/stdapis/boost/preprocessor/arithmetic/add.hpp
author William Roberts <williamr@symbian.org>
Tue, 16 Mar 2010 16:12:26 +0000
branchSymbian2
changeset 2 2fe1408b6811
permissions -rw-r--r--
Final list of Symbian^2 public API header files
     1 # /* Copyright (C) 2001
     2 #  * Housemarque Oy
     3 #  * http://www.housemarque.com
     4 #  *
     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)
     8 #  */
     9 #
    10 # /* Revised by Paul Mensonides (2002) */
    11 #
    12 # /* See http://www.boost.org for most recent version. */
    13 #
    14 # ifndef BOOST_PREPROCESSOR_ARITHMETIC_ADD_HPP
    15 # define BOOST_PREPROCESSOR_ARITHMETIC_ADD_HPP
    16 #
    17 # include <boost/preprocessor/arithmetic/dec.hpp>
    18 # include <boost/preprocessor/arithmetic/inc.hpp>
    19 # include <boost/preprocessor/config/config.hpp>
    20 # include <boost/preprocessor/control/while.hpp>
    21 # include <boost/preprocessor/tuple/elem.hpp>
    22 #
    23 # /* BOOST_PP_ADD */
    24 #
    25 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
    26 #    define BOOST_PP_ADD(x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_ADD_P, BOOST_PP_ADD_O, (x, y)))
    27 # else
    28 #    define BOOST_PP_ADD(x, y) BOOST_PP_ADD_I(x, y)
    29 #    define BOOST_PP_ADD_I(x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_ADD_P, BOOST_PP_ADD_O, (x, y)))
    30 # endif
    31 #
    32 # define BOOST_PP_ADD_P(d, xy) BOOST_PP_TUPLE_ELEM(2, 1, xy)
    33 #
    34 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
    35 #    define BOOST_PP_ADD_O(d, xy) BOOST_PP_ADD_O_I xy
    36 # else
    37 #    define BOOST_PP_ADD_O(d, xy) BOOST_PP_ADD_O_I(BOOST_PP_TUPLE_ELEM(2, 0, xy), BOOST_PP_TUPLE_ELEM(2, 1, xy))
    38 # endif
    39 #
    40 # define BOOST_PP_ADD_O_I(x, y) (BOOST_PP_INC(x), BOOST_PP_DEC(y))
    41 #
    42 # /* BOOST_PP_ADD_D */
    43 #
    44 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
    45 #    define BOOST_PP_ADD_D(d, x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_ADD_P, BOOST_PP_ADD_O, (x, y)))
    46 # else
    47 #    define BOOST_PP_ADD_D(d, x, y) BOOST_PP_ADD_D_I(d, x, y)
    48 #    define BOOST_PP_ADD_D_I(d, x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_ADD_P, BOOST_PP_ADD_O, (x, y)))
    49 # endif
    50 #
    51 # endif