| 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 | # ifndef BOOST_PREPROCESSOR_ARRAY_REMOVE_HPP |
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| 13 | # define BOOST_PREPROCESSOR_ARRAY_REMOVE_HPP |
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| 14 | # |
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| 15 | # include <boost/preprocessor/arithmetic/inc.hpp> |
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| 16 | # include <boost/preprocessor/array/elem.hpp> |
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| 17 | # include <boost/preprocessor/array/push_back.hpp> |
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| 18 | # include <boost/preprocessor/array/size.hpp> |
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| 19 | # include <boost/preprocessor/comparison/not_equal.hpp> |
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| 20 | # include <boost/preprocessor/control/deduce_d.hpp> |
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| 21 | # include <boost/preprocessor/control/iif.hpp> |
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| 22 | # include <boost/preprocessor/control/while.hpp> |
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| 23 | # include <boost/preprocessor/tuple/eat.hpp> |
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| 24 | # include <boost/preprocessor/tuple/elem.hpp> |
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| 25 | # |
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| 26 | # /* BOOST_PP_ARRAY_REMOVE */ |
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| 27 | # |
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| 28 | # define BOOST_PP_ARRAY_REMOVE(array, i) BOOST_PP_ARRAY_REMOVE_I(BOOST_PP_DEDUCE_D(), array, i) |
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| 29 | # define BOOST_PP_ARRAY_REMOVE_I(d, array, i) BOOST_PP_ARRAY_REMOVE_D(d, array, i) |
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| 30 | # |
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| 31 | # /* BOOST_PP_ARRAY_REMOVE_D */ |
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| 32 | # |
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| 33 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
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| 34 | # define BOOST_PP_ARRAY_REMOVE_D(d, array, i) BOOST_PP_TUPLE_ELEM(4, 2, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_REMOVE_P, BOOST_PP_ARRAY_REMOVE_O, (0, i, (0, ()), array))) |
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| 35 | # else |
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| 36 | # define BOOST_PP_ARRAY_REMOVE_D(d, array, i) BOOST_PP_ARRAY_REMOVE_D_I(d, array, i) |
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| 37 | # define BOOST_PP_ARRAY_REMOVE_D_I(d, array, i) BOOST_PP_TUPLE_ELEM(4, 2, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_REMOVE_P, BOOST_PP_ARRAY_REMOVE_O, (0, i, (0, ()), array))) |
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| 38 | # endif |
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| 39 | # |
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| 40 | # define BOOST_PP_ARRAY_REMOVE_P(d, st) BOOST_PP_NOT_EQUAL(BOOST_PP_TUPLE_ELEM(4, 0, st), BOOST_PP_ARRAY_SIZE(BOOST_PP_TUPLE_ELEM(4, 3, st))) |
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| 41 | # |
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| 42 | # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT() |
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| 43 | # define BOOST_PP_ARRAY_REMOVE_O(d, st) BOOST_PP_ARRAY_REMOVE_O_I st |
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| 44 | # else |
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| 45 | # define BOOST_PP_ARRAY_REMOVE_O(d, st) BOOST_PP_ARRAY_REMOVE_O_I(BOOST_PP_TUPLE_ELEM(4, 0, st), BOOST_PP_TUPLE_ELEM(4, 1, st), BOOST_PP_TUPLE_ELEM(4, 2, st), BOOST_PP_TUPLE_ELEM(4, 3, st)) |
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| 46 | # endif |
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| 47 | # |
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| 48 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_DMC() |
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| 49 | # define BOOST_PP_ARRAY_REMOVE_O_I(n, i, res, arr) (BOOST_PP_INC(n), i, BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(n, i), BOOST_PP_ARRAY_PUSH_BACK, res BOOST_PP_TUPLE_EAT_2)(res, BOOST_PP_ARRAY_ELEM(n, arr)), arr) |
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| 50 | # else |
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| 51 | # define BOOST_PP_ARRAY_REMOVE_O_I(n, i, res, arr) (BOOST_PP_INC(n), i, BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(n, i), BOOST_PP_ARRAY_PUSH_BACK, BOOST_PP_TUPLE_ELEM_2_0)(res, BOOST_PP_ARRAY_ELEM(n, arr)), arr) |
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| 52 | # endif |
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| 53 | # |
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| 54 | # endif |
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