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rabin_to_buchi_if_realizable: new function

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* spot/twaalgos/remfin.cc, spot/twaalgos/remfin.hh: Implement it.
* tests/python/tra2tba.py: Test it.
* NEWS: Mention it.
This commit is contained in:
Alexandre Duret-Lutz 2020-02-05 17:41:52 +01:00
parent bf4a0ccffd
commit febbe5c2e3
4 changed files with 118 additions and 10 deletions
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6
NEWS
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@ -79,6 +79,12 @@ New in spot 2.8.5.dev (not yet released)
should be on each transition; propagate_marks_here() actually
modifies the automaton.
- rabin_to_buchi_if_realizable() is a new variant of
rabin_to_buchi_maybe() that converts a Rabin-like automaton into a
Büchi automaton only if the resulting Büchi automaton can keep the
same transition structure (where the ..._maybe() variant would
modify the Rabin automaton if needed).
Bugs fixed:
- degeneralize_tba() was incorrectly not honnoring the "skip_level"