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contains: fix the semantics

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spot::contains(a, b) should test a⊇b.  It was testing a⊆b instead.

* NEWS: Mention the bug.
* spot/twaalgos/contains.cc, spot/twaalgos/contains.hh: Fix the
code and documentation.
* tests/python/contains.ipynb: Adjust description and expected
results.
* python/spot/__init__.py: Also swap the argument of
language_containment_checker.contains()
* bin/autfilt.cc: Adjust usage.
This commit is contained in:
Alexandre Duret-Lutz 2018-08-01 17:17:25 +02:00
parent 4ce0d92896
commit 23722c031f
6 changed files with 27 additions and 50 deletions
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2
python/spot/__init__.py
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@ -1047,7 +1047,7 @@ def bdd_to_formula(b, dic=_bdd_dict):
def language_containment_checker(dic=_bdd_dict):
from spot.impl import language_containment_checker as c
c.contains = c.contained
c.contains = lambda this, a, b: c.contained(this, b, a)
c.are_equivalent = c.equal
return c(dic)