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scc_filter_states: also remove useless acceptance marks

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* src/twaalgos/sccfilter.hh,
src/twaalgos/sccfilter.cc (scc_filter_states): Remove useless acceptance
marks while preserving state-based acceptance.  Add a new argument
to specify if all useless mark have to be removed, like for scc_filter.
* src/twaalgos/simulation.cc: Use the new parameter.
* src/twaalgos/postproc.cc: Likewise.  Also call do_scc_filter even
after WDBA simplification to cleanup trivial SCCs.  Preserve state-based
acceptance for weak automata.
* src/tests/readsave.test: Add one test.
* src/tests/dstar.test, src/tests/prodor.test, src/tests/remfin.test,
src/tests/sim3.test, wrap/python/tests/automata.ipynb,
wrap/python/tests/piperead.ipynb: Adjust expected output.
* NEWS: Mention the change.
This commit is contained in:
Alexandre Duret-Lutz 2015-10-14 19:03:09 +02:00
parent 2af3678893
commit cd2e527526
12 changed files with 368 additions and 279 deletions
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2
src/twaalgos/simulation.cc
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@ -777,7 +777,7 @@ namespace spot
res = cosimul.run();
if (Sba)
res = scc_filter_states(res);
res = scc_filter_states(res, false);
else
res = scc_filter(res, false);