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* src/tgba/tgbabddcoredata.hh (tgba_bdd_core_data::nownext_set):

Browse source 
New attribute.
* tgba/tgbabddcoredata.cc, tgba/tgbabddtranslatefactory.cc:
Handle nownext_set.
* src/tgba/succiterconcrete.cc
(tgba_succ_iterator_concrete::next): Use nownext_set to simplify.
This commit is contained in:
Alexandre Duret-Lutz 2003-07-02 14:19:04 +00:00
parent 2ed074750d
commit 2ea7cbe0f5
5 changed files with 18 additions and 11 deletions
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6
src/tgba/succiterconcrete.cc
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@ -111,7 +111,7 @@ namespace spot
{
// AS is false when no transition from ST belongs to
// an accepting set. Iterate over ST directly.
trans_set_ = bdd_exist(st, data_.now_set & data_.next_set);
trans_set_ = bdd_exist(st, data_.nownext_set);
}
else
{
@ -119,7 +119,7 @@ namespace spot
// only work over a set of transitions sharing the
// same accepting set.
as = bdd_exist(as, data_.now_set & data_.next_set);
as = bdd_exist(as, data_.nownext_set);
// as = (a | (!a)&b) & (Acc[a] | Acc[b]) + (!a & Acc[b])
bdd cube = bdd_satone(as);
// cube = (!ab & Acc[a])
@ -137,7 +137,7 @@ namespace spot
// Pick and remove one satisfaction from trans_set_left_.
bdd cube = bdd_satone(trans_set_left_);
trans_set_left_ &= !cube;
// Let this cube grow as much as possible.
// Let this cube grow as much as possible.
// (e.g., cube "(!a)&b" taken from "a | (!a)&b" can
// be simplified to "b").
cube = bdd_simplify(cube, cube | neg_trans_set_);