source: vendor/nemo/current/NEMOGCM/EXTERNAL/XIOS/extern/boost/include/boost/preprocessor/list/first_n.hpp @ 44

Last change on this file since 44 was 44, checked in by cholod, 12 years ago

Load NEMO_TMP into vendor/nemo/current.
File size: 2.6 KB
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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_LIST_FIRST_N_HPP
15# define BOOST_PREPROCESSOR_LIST_FIRST_N_HPP
16#
17# include <boost/preprocessor/arithmetic/dec.hpp>
18# include <boost/preprocessor/config/config.hpp>
19# include <boost/preprocessor/control/while.hpp>
20# include <boost/preprocessor/list/adt.hpp>
21# include <boost/preprocessor/list/reverse.hpp>
22# include <boost/preprocessor/tuple/elem.hpp>
23# include <boost/preprocessor/tuple/rem.hpp>
24#
25# /* BOOST_PP_LIST_FIRST_N */
26#
27# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
28#    define BOOST_PP_LIST_FIRST_N(count, list) BOOST_PP_LIST_REVERSE(BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_WHILE(BOOST_PP_LIST_FIRST_N_P, BOOST_PP_LIST_FIRST_N_O, (count, list, BOOST_PP_NIL))))
29# else
30#    define BOOST_PP_LIST_FIRST_N(count, list) BOOST_PP_LIST_FIRST_N_I(count, list)
31#    define BOOST_PP_LIST_FIRST_N_I(count, list) BOOST_PP_LIST_REVERSE(BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_WHILE(BOOST_PP_LIST_FIRST_N_P, BOOST_PP_LIST_FIRST_N_O, (count, list, BOOST_PP_NIL))))
32# endif
33#
34# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
35#    define BOOST_PP_LIST_FIRST_N_P(d, data) BOOST_PP_TUPLE_ELEM(3, 0, data)
36# else
37#    define BOOST_PP_LIST_FIRST_N_P(d, data) BOOST_PP_LIST_FIRST_N_P_I data
38#    define BOOST_PP_LIST_FIRST_N_P_I(c, l, nl) c
39# endif
40#
41# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
42#    define BOOST_PP_LIST_FIRST_N_O(d, data) BOOST_PP_LIST_FIRST_N_O_D data
43# else
44#    define BOOST_PP_LIST_FIRST_N_O(d, data) BOOST_PP_LIST_FIRST_N_O_D(BOOST_PP_TUPLE_ELEM(3, 0, data), BOOST_PP_TUPLE_ELEM(3, 1, data), BOOST_PP_TUPLE_ELEM(3, 2, data))
45# endif
46#
47# define BOOST_PP_LIST_FIRST_N_O_D(c, l, nl) (BOOST_PP_DEC(c), BOOST_PP_LIST_REST(l), (BOOST_PP_LIST_FIRST(l), nl))
48#
49# /* BOOST_PP_LIST_FIRST_N_D */
50#
51# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
52#    define BOOST_PP_LIST_FIRST_N_D(d, count, list) BOOST_PP_LIST_REVERSE_D(d, BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_WHILE_ ## d(BOOST_PP_LIST_FIRST_N_P, BOOST_PP_LIST_FIRST_N_O, (count, list, BOOST_PP_NIL))))
53# else
54#    define BOOST_PP_LIST_FIRST_N_D(d, count, list) BOOST_PP_LIST_FIRST_N_D_I(d, count, list)
55#    define BOOST_PP_LIST_FIRST_N_D_I(d, count, list) BOOST_PP_LIST_REVERSE_D(d, BOOST_PP_TUPLE_ELEM(3, 2, BOOST_PP_WHILE_ ## d(BOOST_PP_LIST_FIRST_N_P, BOOST_PP_LIST_FIRST_N_O, (count, list, BOOST_PP_NIL))))
56# endif
57#
58# endif
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