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Maximum for loop

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Edward Diener
2020-07-11 05:04:00 -04:00
parent 0fbfe9c981
commit 28a0c21651
7 changed files with 16 additions and 5 deletions
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8
include/boost/preprocessor/repetition/for.hpp
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@ -15,6 +15,7 @@
# ifndef BOOST_PREPROCESSOR_REPETITION_FOR_HPP
# define BOOST_PREPROCESSOR_REPETITION_FOR_HPP
#
# include <boost/preprocessor/arithmetic/dec.hpp>
# include <boost/preprocessor/cat.hpp>
# include <boost/preprocessor/debug/error.hpp>
# include <boost/preprocessor/facilities/empty.hpp>
@ -29,14 +30,15 @@
# endif
#
# if BOOST_PP_LIMIT_FOR == 256
# define BOOST_PP_FOR BOOST_PP_CAT(BOOST_PP_FOR_, BOOST_PP_AUTO_REC(BOOST_PP_FOR_P, 256))
# define BOOST_PP_FOR BOOST_PP_CAT(BOOST_PP_FOR_, BOOST_PP_DEC(BOOST_PP_AUTO_REC(BOOST_PP_FOR_P, 256)))
# elif BOOST_PP_LIMIT_FOR == 512
# define BOOST_PP_FOR BOOST_PP_CAT(BOOST_PP_FOR_, BOOST_PP_AUTO_REC(BOOST_PP_FOR_P, 512))
# define BOOST_PP_FOR BOOST_PP_CAT(BOOST_PP_FOR_, BOOST_PP_DEC(BOOST_PP_AUTO_REC(BOOST_PP_FOR_P, 512)))
# else
# error Incorrect value for the BOOST_PP_LIMIT_FOR limit
# endif
#
# define BOOST_PP_FOR_P(n) BOOST_PP_CAT(BOOST_PP_FOR_CHECK_, BOOST_PP_FOR_ ## n(1, BOOST_PP_FOR_SR_P, BOOST_PP_FOR_SR_O, BOOST_PP_FOR_SR_M))
# define BOOST_PP_FOR_P(n) BOOST_PP_FOR_P_DEC(BOOST_PP_DEC(n))
# define BOOST_PP_FOR_P_DEC(n) BOOST_PP_CAT(BOOST_PP_FOR_CHECK_, BOOST_PP_CAT(BOOST_PP_FOR_ , n)(1, BOOST_PP_FOR_SR_P, BOOST_PP_FOR_SR_O, BOOST_PP_FOR_SR_M))
#
# define BOOST_PP_FOR_SR_P(r, s) s
# define BOOST_PP_FOR_SR_O(r, s) 0