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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 126d392355
commit 701a3b1c6a
6 changed files with 27 additions and 50 deletions
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5
NEWS
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@ -16,6 +16,11 @@ New in spot 2.6.0.dev (not yet released)
set. (This combinations of options is not available from
command-line tools.)
- The spot::contains(a, b) function introduced in 2.6 was testing
a⊆b instead of a⊇b as one would expect. Infortunately the
documentation was also matching the code, so this is a backward
incompatible change.
New in spot 2.6 (2018-07-04)