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Diffstat (limited to 'contrib/src/boost/preprocessor/arithmetic/sub.hpp')
| -rw-r--r-- | contrib/src/boost/preprocessor/arithmetic/sub.hpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/contrib/src/boost/preprocessor/arithmetic/sub.hpp b/contrib/src/boost/preprocessor/arithmetic/sub.hpp new file mode 100644 index 0000000..5262cda --- /dev/null +++ b/contrib/src/boost/preprocessor/arithmetic/sub.hpp @@ -0,0 +1,50 @@ +# /* Copyright (C) 2001 +# * Housemarque Oy +# * http://www.housemarque.com +# * +# * Distributed under the Boost Software License, Version 1.0. (See +# * accompanying file LICENSE_1_0.txt or copy at +# * http://www.boost.org/LICENSE_1_0.txt) +# */ +# +# /* Revised by Paul Mensonides (2002) */ +# +# /* See http://www.boost.org for most recent version. */ +# +# ifndef BOOST_PREPROCESSOR_ARITHMETIC_SUB_HPP +# define BOOST_PREPROCESSOR_ARITHMETIC_SUB_HPP +# +# include <boost/preprocessor/arithmetic/dec.hpp> +# include <boost/preprocessor/config/config.hpp> +# include <boost/preprocessor/control/while.hpp> +# include <boost/preprocessor/tuple/elem.hpp> +# +# /* BOOST_PP_SUB */ +# +# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() +# define BOOST_PP_SUB(x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_SUB_P, BOOST_PP_SUB_O, (x, y))) +# else +# define BOOST_PP_SUB(x, y) BOOST_PP_SUB_I(x, y) +# define BOOST_PP_SUB_I(x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_SUB_P, BOOST_PP_SUB_O, (x, y))) +# endif +# +# define BOOST_PP_SUB_P(d, xy) BOOST_PP_TUPLE_ELEM(2, 1, xy) +# +# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC() +# define BOOST_PP_SUB_O(d, xy) BOOST_PP_SUB_O_I xy +# else +# define BOOST_PP_SUB_O(d, xy) BOOST_PP_SUB_O_I(BOOST_PP_TUPLE_ELEM(2, 0, xy), BOOST_PP_TUPLE_ELEM(2, 1, xy)) +# endif +# +# define BOOST_PP_SUB_O_I(x, y) (BOOST_PP_DEC(x), BOOST_PP_DEC(y)) +# +# /* BOOST_PP_SUB_D */ +# +# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() +# define BOOST_PP_SUB_D(d, x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_SUB_P, BOOST_PP_SUB_O, (x, y))) +# else +# define BOOST_PP_SUB_D(d, x, y) BOOST_PP_SUB_D_I(d, x, y) +# define BOOST_PP_SUB_D_I(d, x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_SUB_P, BOOST_PP_SUB_O, (x, y))) +# endif +# +# endif |