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restructure the complementation code

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The previous code was sometime doing the work of remove_fin() in
addition to complementing the acceptance conditions.  This separate
the two operations clearly.  Also the specialized code for
complementing weak automata is now a specialized code for remove_fin()
on weak automata.

* src/twaalgos/dtgbacomp.hh, src/twaalgos/dtgbacomp.cc: Rename as ...
* src/twaalgos/complement.hh, src/twaalgos/complement.cc: ... these.
* src/twaalgos/Makefile.am: Adjust.
* src/twaalgos/complement.hh (dtgba_complement): Rename as ...
(dtwa_complement): ... this, and restrict the purpose to completion
and accetance complementation.  Further acceptance simplification
can be done with remove_fin() and to_generalized_buchi().
* src/twaalgos/remfin.cc (remove_fin): Specialize handling of weak
automata using the code that was originally in dtgba_complement().
Also mark the output as state-based when the input has to Inf.
* src/twaalgos/postproc.cc, src/twaalgos/postproc.hh: Make sure
scc_filter is always called after to_generalized_buchi().
* bench/stutter/stutter_invariance_randomgraph.cc,
src/bin/ltlcross.cc, src/tests/ikwiad.cc, src/twaalgos/minimize.cc,
src/twaalgos/powerset.cc, src/twaalgos/stutter.cc: Adjust usage.
* src/tests/dstar.test, src/tests/ltl2dstar4.test,
src/tests/remfin.test: Adjust expected outputs.
* wrap/python/spot_impl.i: Export dtwa_complement().
This commit is contained in:
Alexandre Duret-Lutz 2015-10-13 19:30:26 +02:00
parent fb642c6df5
commit 06d3bc67ea
18 changed files with 336 additions and 448 deletions
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6
src/twaalgos/stutter.cc
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@ -27,7 +27,8 @@
#include "twaalgos/product.hh"
#include "twaalgos/ltl2tgba_fm.hh"
#include "twaalgos/isdet.hh"
#include "twaalgos/dtgbacomp.hh"
#include "twaalgos/complement.hh"
#include "twaalgos/remfin.hh"
#include "twa/twaproduct.hh"
#include "twa/bddprint.hh"
#include <deque>
@ -635,8 +636,7 @@ namespace spot
aut->prop_deterministic(is_deterministic(aut));
if (!aut->is_deterministic())
return false;
neg = dtgba_complement(aut);
neg = remove_fin(dtwa_complement(aut));
}
is_stut = is_stutter_invariant(make_twa_graph(aut, twa::prop_set::all()),