Revert arithmetic changes to original for msvc default preprocessor.

This commit is contained in:
Edward Diener
2020-08-31 10:55:17 -04:00
parent c1eb9292d7
commit 721ef44e79
5 changed files with 151 additions and 0 deletions

View File

@ -26,6 +26,38 @@
# include <boost/preprocessor/arithmetic/detail/is_maximum_number.hpp>
# include <boost/preprocessor/arithmetic/detail/is_minimum_number.hpp>
#
# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
#
# /* 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
#
# else
#
# /* BOOST_PP_SUB */
#
# define BOOST_PP_SUB(x, y) BOOST_PP_IIF(BOOST_PP_BITOR(BOOST_PP_DETAIL_IS_MAXIMUM_NUMBER(y),BOOST_PP_DETAIL_IS_MINIMUM_NUMBER(x)),BOOST_PP_IDENTITY_N(0,2),BOOST_PP_SUB_DO)(x,y)
@ -59,3 +91,5 @@
# endif
#
# endif
#
# endif