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Author SHA1 Message Date
Alexandre Duret-Lutz
4740adeb09 genem: fix previous patch 
* spot/twaalgos/genem.cc: Do not use a temporary scc_and_mark_filter.
 2019-04-14 15:07:48 +02:00
Alexandre Duret-Lutz
0623965b43 genem: improve handling of co-Büchi 
* spot/twaalgos/sccinfo.cc, spot/twaalgos/sccinfo.hh: Make sure
scc_and_mark_filter does not install a filter if there is nothing
to filter.
* tests/python/genem.py, spot/twaalgos/genem.cc,
python/spot/impl.i: Adjust.
 2019-04-12 23:14:29 +02:00
Alexandre Duret-Lutz
afdc7ddaf8 genem: remove call to cleanup_acceptance_here 
* spot/twaalgos/genem.cc: Here.
 2019-04-11 23:07:29 +02:00
Alexandre Duret-Lutz
8aafe74acf genem: greatly simplify code 
* spot/twaalgos/genem.cc: Simplify the code to be more
aligned to the Python version in genem.py.
 2019-03-30 16:45:38 +01:00
Alexandre Duret-Lutz
55db24e00e scc_info: introduce scc_and_mark_filter 
* spot/twaalgos/sccinfo.hh, spot/twaalgos/sccinfo.cc: Here.
* spot/twaalgos/genem.cc: Use it.
* python/spot/impl.i, python/spot/__init__.py: Add bindings.
* tests/python/genem.py: Test it.
* NEWS: Mention it.
 2019-03-30 12:09:32 +01:00
Alexandre Duret-Lutz
af67c04a67 genem: minor simplifications 
* tests/python/genem.py: Use SPOT_ON_ACC explicitely.
* spot/twaalgos/genem.cc: Do not keep track of states.  Don't
check that the clauses of the disjuncts are Fin-less: they aren't
(this was discovered while discussing with Jan and Fanda).
 2019-03-19 17:26:14 +01:00
Alexandre Duret-Lutz
c25a67b00d polish previous two patches 
* NEWS: Update.
* spot/twaalgos/genem.cc, spot/twaalgos/genem.hh, spot/twa/twa.cc:
Update copyright years.
* spot/twa/twa.hh: Update Doxygen documentation.
* spot/twaalgos/sccinfo.cc, spot/twaalgos/sccinfo.hh: Simplify data
structures, and fix failure of get_accepting_run() to compute
accepting runs in SCC that are accepting due to the self-loop
optimization of scc_info.
* tests/python/highlighting.ipynb: Add three test cases.
 2019-02-21 15:36:19 +01:00
Clément Gillard
51ca5ecdb1 genem: Implement accepting cycle search 
Implement an accepting run search in spot::sccinfo, use it with the
generic emptiness check.

* spot/twaalgos/sccinfo.cc, spot/twaalgos/sccinfo.hh: Here.
* spot/twaalgos/genem.cc, spot/twaalgos/genem.hh: Use it.
* tests/python/genem.py: Test it.
 2019-02-14 16:25:25 +01:00
Alexandre Duret-Lutz
469d2b4ef4 genem: fix removal of unsatisfied Fin(x) sets 
Fixes #360.

* spot/twa/acc.cc, spot/twa/acc.hh (force_inf): New method.
* spot/twaalgos/genem.cc: Fix the emptiness check using force_inf.
* tests/python/genem.py: Add test case and adjust the python
version of the emptiness check.
 2018-07-26 16:07:30 +02:00
Alexandre Duret-Lutz
da996ecbaf use the generic emptiness check 
* spot/twa/twa.cc (is_empty, intersects): Here.
* spot/twaalgos/sccinfo.cc (check_scc_emptiness): Here.
* spot/twaalgos/genem.cc: Report error if the input is alternating.
* spot/twaalgos/isunamb.cc, spot/twaalgos/sccinfo.hh: Adjust.
* NEWS: Mention the change.
 2018-07-24 13:36:04 +02:00
Alexandre Duret-Lutz
d708174cfe genem: implement a generic emptiness check for twa_graph_ptr 
* spot/twa/acc.cc, spot/twa/acc.hh (fin_unit, one_fin): New function.
* spot/twaalgos/genem.cc, spot/twaalgos/genem.hh: New files.
* spot/twaalgos/Makefile.am: Add it.
* tests/python/genem.py: New file.
* tests/Makefile.am: Add it.
* python/spot/impl.i: Add bindings for genem.hh.
* NEWS: Mention the new function.
 2018-07-24 13:36:04 +02:00