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* src/tgba/tgbaproduct.cc: Fix computation of common acceptance

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conditions.
This commit is contained in:
Alexandre Duret-Lutz 2006-07-19 16:07:54 +00:00
parent c412cd4cc3
commit 8cbec95253
2 changed files with 23 additions and 7 deletions
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18
src/tgba/tgbaproduct.cc
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@ -182,14 +182,18 @@ namespace spot
bdd rna = right_->neg_acceptance_conditions();
right_common_acc_ = bdd_newpair();
bdd common = bdd_exist(lna, bdd_exist(lna, rna));
while (common != bddtrue)
bdd tmp = lna;
while (tmp != bddtrue)
{
assert(bdd_high(common) == bddfalse);
int var = bdd_var(common);
int varclone = dict_->register_clone_acc(var, this);
bdd_setpair(right_common_acc_, var, varclone);
common = bdd_low(common);
assert(bdd_high(tmp) == bddfalse);
int var = bdd_var(tmp);
if ((bdd_nithvar(var) & rna) == rna)
{
int varclone = dict_->register_clone_acc(var, this);
bdd_setpair(right_common_acc_, var, varclone);
}
tmp = bdd_low(tmp);
}
bdd lac = left_->all_acceptance_conditions();