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Fix detection of the last iteration of minimize_dfa().

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* src/tgbaalgos/minimize.cc (minimize_dfa): Fix detection of the
last iteration.  An extra iteration case could be missed in case
where a split generates only singletons, and yet predecessor
classes need to be refined.
This commit is contained in:
Ala-Eddine Ben-Salem 2012-01-05 19:16:44 +01:00 • committed by Alexandre Duret-Lutz
parent 984c715cc6
commit 0ca40d72d7
4 changed files with 16 additions and 2 deletions
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4
src/tgbaalgos/minimize.cc
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@ -1,4 +1,4 @@
// Copyright (C) 2010, 2011 Laboratoire de Recherche et Développement
// Copyright (C) 2010, 2011, 2012 Laboratoire de Recherche et Développement
// de l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
@ -425,6 +425,7 @@ namespace spot
}
else
{
did_split = true;
for (; bsi != bdd_map.end(); ++bsi)
{
hash_set* set = bsi->second;
@ -457,7 +458,6 @@ namespace spot
}
else
{
did_split = true;
trace << "set " << format_hash_set(set, det_a)
<< " should be processed further" << std::endl;
next_run.push_back(set);