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twa: introduce intersects() and friends

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* spot/twa/twa.hh, spot/twa/twa.cc (intersects, intersecting_run,
intersecting_word): New functions.
* NEWS: Mention them.
* doc/org/tut51.org, tests/python/bugdet.py: Use them.
This commit is contained in:
Alexandre Duret-Lutz 2016-11-13 11:23:12 +01:00
parent bdad288c70
commit c225747749
5 changed files with 138 additions and 64 deletions
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12
NEWS
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@ -47,6 +47,18 @@ New in spot 2.1.2.dev (not yet released)
to setjmp are now avoided when variable reordering is disabled
(the default).
* The twa class has three new methods:
aut->intersects(other)
aut->intersecting_run(other)
aut->intersecting_word(other)
currently these are just convenient wrappers around
!otf_product(aut, other)->is_empty()
otf_product(aut, other)->accepting_run()->project(aut)
otf_product(aut, other)->accepting_word()
with any Fin-acceptance removal performed before the
product. However the plan is that these can be implemented
more efficiently in the future.
Bugs:
* ltl2tgba was always using the highest settings for the LTL