The merging is (possibly) more expensive but also
merges more states when applied to all states.
* spot/graph/graph.hh: edge sorting
* spot/twa/twagraph.cc,
spot/twa/twagraph.hh: selective state merging
* tests/core/twagraph.cc: Adjusting tests
Aiger circuits noew have their own class.
Monitors can be translated to and obtained
from aiger circuits.
Moreover a step by step evaluation method
is provided.
* spot/twaalgos/aiger.hh,
spot/twaalgos/aiger.cc: Here
* bin/ltlsynt.cc: Adopt new modes
* tests/core/ltlsynt.test: Adapt tests
* python/spot/impl.i: Add python support
* tests/Makefile.am,
tests/python/aiger.py: New test cases
This improves the parsing performance a bit more.
* spot/parseaut/parsedecl.hh, spot/parseaut/parseaut.yy: Here.
* tests/sanity/style.test: Handle parsedecl.hh as a private header.
This version of the generic emptiness-check, using smart selection and
extraction of the Fin (implemented here via fin_one_extract), was
suggested by Jan Strejček on 2020-06-26.
* spot/twaalgos/genem.cc, spot/twaalgos/genem.hh: Add the spot210
variant. Also use it for the ACD use-case.
* spot/twaalgos/zlktree.cc (zielonka_tree): Also use the same logic
here.
* tests/python/genem.py: Test the new version as well.
* spot/twa/acc.cc, spot/twa/acc.hh (acc_cond::fin_one_extract,
acc_code::acc_cond::fin_one_extract): New methods.
* python/spot/impl.i: Add support for the return type.
* tests/python/acc_cond.ipynb: Test them.
Reported by Florian.
* spot/twaalgos/zlktree.cc: Handle the case where the condition does
not cover all colors.
* tests/python/zlktree.py: New file.
* tests/Makefile.am: Add it.
Reported by Florian Renkin.
* spot/twaalgos/zlktree.cc (acd::_build): Use a sorted list to remove
redundant children, has done in zielonka_tree.
* tests/python/zlktree.ipynb: Add Florian's test case.
* tests/python/toparity.py: Adjust, and revert some tests
uncommented by mistake in a previous patch.
This will be handy latter to develop widgets with interactive
highlighting of automata.
* spot/twaalgos/dot.cc: Implement it.
* bin/common_aoutput.cc, NEWS, doc/org/oaut.org,
doc/org/spot.css: Document it.
* tests/core/alternating.test, tests/core/readsave.test,
tests/core/sccdot.test: Test it.
* spot/twaalgos/zlktree.cc (zielonka_tree): Find the models using a
recursive procedure on the acceptance condition, without conversion to
BDD.
* tests/python/_zlktree.ipynb: Adjust to a different order of nodes.
A quick and dirty implementation of the Alternating Cycle
Decomposition of the casares.21.icalp paper.
* spot/twaalgos/genem.cc, spot/twaalgos/genem.hh
(maximal_accepting_loops_for_scc): New function.
* spot/twaalgos/sccinfo.cc,
spot/twaalgos/sccinfo.hh (scc_and_mark_filter): Add a possibility to
specify a mask of transition to filter.
* spot/twaalgos/zlktree.hh, spot/twaalgos/zlktree.cc (acd): New class.
(acd_transform): New function.
* python/spot/__init__.py: Add SVG rendering for acd.
* tests/python/_zlktree.ipynb: Play with acd and acd_transform.
* tests/python/toparity.py: Add more tests to compare the
sizes of acd_transform and to_parity.
* NEWS: Mention this new feature.
* spot/twaalgos/zlktree.hh,
spot/twaalgos/zlktree.cc (zielonka_tree_transform): New function.
* tests/python/_zlktree.ipynb: Test it on three examples.
* spot/twa/twagraph.cc (merge_states): Return the number
of removed states, and use that to decide if defrag_states
is needed.
* spot/twa/twagraph.hh, NEWS: Document that.
* tests/core/tgbagraph.test, tests/core/twagraph.cc: Adjust test case.
Fixes#468.
* python/spot/__init__.py: Add wrapper around twa::acc() and
twa::get_acceptance() to store the automaton into the acceptance
proxy, therefore ensuring that the automaton survives that proxy.
* tests/python/setacc.py: Test it.
It was noted in #470 that make_twa_graph did not copy named
properties. Let's fix that.
* spot/twa/twa.hh, spot/twa/twa.cc (copy_named_properties_of): New
method.
* spot/twa/twagraph.hh (make_twa_graph): Add an extra argument to
call copy_named_properties_of() optionally.
* python/spot/__init__.py (twa_graph.__copy__): Use it.
* tests/python/twagraph.py: Test that.
* tests/sanity/namedprop.test: Ensure copy_named_properties_of copies
all known named properties.
Fixes#470, suggested by Cambridge Yang.
* python/spot/__init__.py (twa_graph.__copy__): Call make_twa_graph.
* tests/python/twagraph.py: Test it.
* NEWS: Mention it.
Fixes#471, reported by Cambridge Yang.
* spot/twa/twa.cc (intersecting_run): Disable the product
optimization for weak automata.
* tests/python/471.py: New file.
* tests/Makefile.am: Add it.
* NEWS: Mention the bug.
Part of #471.
* spot/twaalgos/emptiness.cc: Throw an exception if
the cycle is rejecting.
* spot/twaalgos/emptiness.hh: Document this behavior.
* tests/python/except.py: Test it.
This fixes#469.
* spot/misc/bitset.hh (bitset::operator-): Rewrite.
I cannot follow the logic of the old implementation.
* tests/python/setacc.py: Add a test case, inspired from #469.
Part of #467.
* tests/python/bdddict.py, tests/python/ltl2tgba.py,
tests/python/ltlparse.py, tests/python/ltlsimple.py,
tests/python/sccinfo.py, tests/python/simstate.py,
tests/python/split.py, tests/python/tra2tba.py: Adjust to
deal with a non-refcounted Python implementation.
This implement the suggestion is issue #467 but the test suite is
still not completely passing with pypy3.
* m4/pypath.m4: Detect the suffix for extensions.
* python/Makefile.am: Use it.
* tests/run.in: Recognize pypy3 as a Python version.
* spot/twa/twagraph.cc: Implement it.
* spot/twa/twagraph.hh, NEWS: Document it.
* tests/python/mergedge.py: Test it.
* tests/core/ltlsynt.test, tests/python/games.ipynb: Adjust expectations.
We have enough outputs checked verbatim everywhere so that testing
that three execution of a single command return the same output is now
a waste of time.
* tests/core/simdet.test: Remove.
* tests/Makefile.am: Adjust.
Also have simul-max default to 4096 instead of 512, because it's
really simul-trans-pruning that is very slow and need to be limited.
* spot/twaalgos/postproc.cc, spot/twaalgos/postproc.hh,
spot/twaalgos/simulation.cc, spot/twaalgos/simulation.hh,
spot/twaalgos/determinize.cc, spot/twaalgos/determinize.hh:
Implement the above options.
* bin/spot-x.cc, NEWS: Document them.
* tests/core/ltlsynt.test, tests/core/minusx.test,
tests/core/sim3.test: Add some test cases.
This fixes#452, and also fix a bug related to transiant SCCs
incorrectly merged in cosimulation: the source of the edges was
updated without fixing the chaining of the edges.
* spot/twaalgos/simulation.cc: Fix all the above.
* tests/python/simstate.py: Add test case from issue #452.
* tests/core/det.test, tests/core/ltlsynt.test,
tests/core/satmin.test: Lower expected sizes.
* tests/python/decompose.ipynb: Adjust for changed order.
Fixes issue #232.
* spot/parseaut/parseaut.yy, spot/parseaut/public.hh,
spot/parseaut/scanaut.ll: Add support for #line.
* tests/core/parseaut.test: Test it.
* NEWS: Mention it.
Because the loops iterate in the opposite order, multiple
test cases need to be adjusted.
* spot/taalgos/tgba2ta.cc, spot/twaalgos/alternation.cc,
spot/twaalgos/dualize.cc, spot/twaalgos/ltl2tgba_fm.cc,
spot/twaalgos/simulation.cc, spot/twaalgos/stutter.cc,
spot/twaalgos/toweak.cc: Replace loops based on
bdd_satonest(x,y,bddtrue) by loops based on minterms_of(x,y).
* tests/core/degenscc.test, tests/core/dualize.test,
tests/core/genltl.test, tests/core/readsave.test,
tests/python/alternation.ipynb, tests/python/automata.ipynb,
tests/python/decompose.ipynb, tests/python/decompose_scc.py,
tests/python/dualize.py, tests/python/sccinfo.py,
tests/python/simstate.py, tests/python/testingaut.ipynb,
tests/python/word.ipynb: Adjust expected test cases. The
only regression is in genltl.test, but the worsened case
should eventually be fixed as discussed in issue #425 anyway.
* spot/twaalgos/simulation.hh, spot/twaalgos/simulation.cc: Add
reduce_direct_sim(), reduce_direct_cosim() and
reduce_direct_iterated() wich reduce an automaton using simulation.
This functions wrap the class direct_sim wich compute simulation
with a new method.
* doc/spot.bib: Add ref.
* tests/python/simstate.py: Add tests for the new simulation.
This proceeds from a discussion with Michaël Cadilhac.
http://lists.lrde.epita.fr/pipermail/spot/2021q1/000356.html
* bin/autfilt.cc (--kill-states): New option.
* NEWS: Mention those.
* spot/twa/twagraph.hh, spot/twa/twagraph.cc: Add a kill_state()
method.
* tests/core/maskkeep.test: Test it.
* spot/tl/formula.cc: Correctly set eventual and universal properties
for ->, <->, and xor. This wasn't really relevant before, but there
are now situation where those are not rewritten.
* tests/core/kind.test: Adjust expected output.
* tests/core/ltl2tgba2.test: New test case, reported by Florian
Renkin.
* NEWS: Mention the bug.
