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Author SHA1 Message Date
Alexandre Duret-Lutz
6623af67e6 twa_graph: fix purge_unreachable_states on alternating automata 
The algorithm had two problems: it was removing only useless
destination from universal destination (instead of removing the entire
edge), and it was not properly iterating over the entire reachable
automaton.

* spot/twa/twagraph.cc: Fix it.
* spot/twa/twagraph.hh: Adjust documentation.
* tests/core/alternating.test: Add more tests.
* tests/python/twagraph.py: Adjust.
* NEWS: Mention the bug.
 2017-03-29 10:34:41 +02:00
Alexandre Duret-Lutz
cd4c326f7b twa_graph: more test coverage 
The goal is to improve coverage stats, but I discovered two issues
while doing so.

* tests/python/twagraph.py: New test case.
* tests/Makefile.am: Add it.
* spot/twa/twagraph.hh: Add fix typos in error messages.
* python/spot/impl.i: Fix broken wrappers for state_from_number and
state_acc_sets.
 2017-03-07 23:16:07 +01:00