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remove_fin: remove useless states

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* src/tgba/tgbagraph.cc (purge_dead_states): Using a DFS to compute a
topological order, allowing to remove useless using a second
pass (instead of iterating the passes until there is nothing to remove).
* src/tgbaalgos/remfin.cc: Call purge_dead_states().
* src/tgbatest/remfin.test, src/tgbatest/det.test: Adjust expected
output.
* doc/org/autfilt.org: Update example.
This commit is contained in:
Alexandre Duret-Lutz 2015-03-24 12:04:30 +01:00
parent b4e22a3c7e
commit 020bbd4473
5 changed files with 82 additions and 93 deletions
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2
src/tgbaalgos/remfin.cc
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@ -331,7 +331,7 @@ namespace spot
}
res->purge_unreachable_states();
res->purge_dead_states();
trace << "before cleanup: " << res->get_acceptance() << '\n';
cleanup_acceptance(res);
trace << "after cleanup: " << res->get_acceptance() << '\n';