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Alexandre Duret-Lutz authored
This improves gf_guarantee_to_ba() on formulas GF(φ) where the automaton for F(φ) as several leading transiant SCCs. E.g., GF(a <-> XXXa) where we know get results that are as good as those of delag without loosing on the cases where delag's technique would actually produce two big automata. * spot/twaalgos/gfguarantee.cc: Implement this. * spot/twaalgos/gfguarantee.hh, NEWS: Document it. * tests/core/ltl2tgba2.test, tests/core/ltl3ba.test: Add test cases.
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