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* src/tgbaalgos/complete.cc: Introduce a sink state only if needed.

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This commit is contained in:
Alexandre Duret-Lutz 2014-08-20 16:11:00 +02:00
parent d28e7f9c5c
commit 99d28c3cc2
1 changed files with 13 additions and 9 deletions
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22
src/tgbaalgos/complete.cc
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@ -61,12 +61,6 @@ namespace spot
}
}
}
// If we haven't found any sink, simply add one.
if (sink == -1U)
{
sink = aut->new_state();
++n;
}
// Now complete all states (including the sink).
for (unsigned i = 0; i < n; ++i)
@ -91,10 +85,20 @@ namespace spot
// state.
acc = t.acc;
}
// In case the automaton use state-based acceptance, propagate
// the acceptance of the first transition to the one we add.
// If the state has incomplete successors, we need to add a
// transition to some sink state.
if (missingcond != bddfalse)
aut->new_transition(i, sink, missingcond, acc);
{
// If we haven't found any sink, simply add one.
if (sink == -1U)
{
sink = aut->new_state();
++n;
}
// In case the automaton use state-based acceptance, propagate
// the acceptance of the first transition to the one we add.
aut->new_transition(i, sink, missingcond, acc);
}
}
return sink;
}