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Fix bugs in minimize(), caught by spotlbtt.test.

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* src/tgbaalgos/minimize.cc (minimize): Don't add acceptance
conditions if the final set is empty.
* src/tgbaalgos/powerset.cc (tgba_powerset): Add the initial state
to acc_list if it is accepting.  Also do not compute an SCC build
map if we don't have to build acc_list.
This commit is contained in:
Alexandre Duret-Lutz 2010-04-13 14:29:58 +02:00
parent 54e10c2501
commit 72139fd760
4 changed files with 27 additions and 8 deletions
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3
src/tgbaalgos/minimize.cc
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@ -93,7 +93,8 @@ namespace spot
tgba_explicit_number* res = new tgba_explicit_number(a->get_dict());
// For each transition in the initial automaton, add the corresponding
// transition in res.
res->declare_acceptance_condition(ltl::constant::true_instance());
if (!final->empty())
res->declare_acceptance_condition(ltl::constant::true_instance());
for (sit = sets.begin(); sit != sets.end(); ++sit)
{
hash_set::iterator hit;