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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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@ -1,8 +1,18 @@
New in spot 1.99.4a (not yet released)
* Rename dtgba_complement() as dtwa_complement(), rename the header
as complement.hh, and restrict the purpose of this function to
just complete the automaton and complement its acceptance
condition. Any further acceptance condition transformation
can be done with to_generalized_buchi() or remove_fin().
* The remove_fin() has learnt how to better deal with automata that
are declared as weak. This code was previously in
dtgba_complement().
Python:
* Add bindings for complete().
* Add bindings for complete() and dtwa_complement()
* Formulas now have a custom __format__ function. See
https://spot.lrde.epita.fr/tut01.html for examples.