2 commits

Author	SHA1	Message	Date
Alexandre Duret-Lutz	8a4a4b9fff	simplify_acceptance: fix erroneous simplification ... Reported by Florian Renkin. * spot/twaalgos/cleanacc.cc: Do not rewrite ...Fin(0)&(Fin(1)|(Fin(3)&Inf(4)))... as Fin(0)&f when it appears that {1,3} cannot receive {0}, because {1} is used elsewhere in the acceptance. * tests/python/simplacc.py: Add test case.	2020-02-24 12:17:07 +01:00
Alexandre Duret-Lutz	50c0f880dc	Inf(i)|Inf(j) -> Inf(k) and Fin(i)&Fin(j) -> Fin(k) ... Implement those rules in simplify_acceptance_here(). * NEWS: Mention the change. * spot/twa/acc.cc, spot/twa/acc.hh (acc_cond::acc_code::used_once_sets): New method. * spot/twaalgos/cleanacc.cc, spot/twaalgos/cleanacc.hh: Implement the above rule. * tests/core/remfin.test: Adjust expected results. * tests/python/simplacc.py: New file. * tests/Makefile.am: Add it.	2020-01-28 09:37:28 +01:00