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isweakscc: cleanup interfaces and code

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* src/tgbaalgos/isweakscc.cc, src/tgbaalgos/isweakscc.hh: Do not pass
automata since they are known from the scc.  Avoid several dynamic
casts.  Try to match the established vocabulary wrt "weak" and
"inherently weak".  The old is_weak_scc() that used to enumerate cycles
is therefore renamed to is_inherently_weak_scc(), while the new
is_weak_scc() will should ensure all transitions are fully accepting.
* NEWS: Mention the new interface.
This commit is contained in:
Alexandre Duret-Lutz 2013-04-27 20:02:11 +02:00
parent 450ec22bc3
commit cb7cd868a5
3 changed files with 116 additions and 99 deletions
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13
NEWS
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@ -56,6 +56,19 @@ New in spot 1.0.2a (not released):
with the favor_event_univ option of ltl_simplifier. As
always please check doc/tl/tl.tex for the list of rules.
- Several functions have been introduced to check the
strength of an SCC.
is_inherently_weak_scc()
is_weak_scc()
is_syntactic_weak_scc()
is_complete_scc()
is_terminal_scc()
is_syntactic_terminal_scc()
Beware that the costly is_weak_scc() function introduced in Spot
1.0, which is based on a cycle enumeration, has been renammed to
is_inherently_weak_scc() to match established vocabulary.
* Command-line tools:
- ltl2tgba and ltl2tgta now honor a new --extra-options (or -x)