* spot/twaalgos/parity.cc: cleanup_parity and cleanup_parity_here are
  now better at finding useless parity colors
* tests/python/parity.py: test it
* NEWS: document the change

* tests/python/otfcrash.py: Remove the file generated by divine.

spot::iar() was fixed to handle correctly Rabin-like conditions.
It also now supports Streett-like conditions.

* NEWS, spot/twaalgos/postproc.cc: document it
* spot/twaalgos/rabin2parity.cc, spot/twaalgos/rabin2parity.hh:
  implement it
* tests/core/rabin2parity.test, tests/python/except.py: test it

* tests/python/ipnbdoctest.py: Adjust to Python <3.6.
* tests/python/_autparserr.ipynb: Adjust to older IPython version.
* tests/python/stutter-inv.ipynb: Avoid pandas because its output
varies from version to version.

* python/spot/impl.i: Add missing bindings from remprop.hh
* tests/python/except.py: New file to test several error cases.
* tests/Makefile.am: Add it.
* spot/twaalgos/rabin2parity.cc (iar): Fix error message.

* spot/twaalgos/cobuchi.cc, spot/twaalgos/cobuchi.hh (to_nca): New
function.
(weak_to_cobuchi): New internal function, used in to_nca and to_dca
when appropriate.
* spot/twaalgos/postproc.cc, spot/twaalgos/postproc.hh: Implement
the CoBuchi option.
* python/spot/__init__.py: Support it in Python.
* bin/common_post.cc: Add support for --buchi.
* bin/autfilt.cc: Remove the --dca option.
* tests/core/dca.test, tests/python/automata.ipynb: Adjust and add
more tests.  In particular, add more complex persistence and
recurrence formulas to the list of dca.test.
* tests/python/dca.test: Adjust and rename to...
* tests/core/dca2.test: ... this.  Add more tests, to the point
that this is now failing, as described in issue #317.
* tests/python/dca.py: Remove.
* tests/Makefile.am: Adjust.

Fixes #316.

* spot/twaalgos/totgba.cc: Fix confusing definition of scc_inf_wo_fin.
* tests/python/streett_totgba2.py: New test case.
* tests/Makefile.am: Add it.
* NEWS: Mention the bug.

* python/spot/impl.i: Bind is_colored().
* python/spot/__init__.py: Add Colored support to postproc.
* tests/python/parity.py: Add a test case.

* tests/python/_autparserr.ipynb: New files, containing error
checking code from automata-io.ipynb and piperead.ipynb.
* tests/python/automata-io.ipynb: Remove error checks, and pipe
examples from piperead.ipynb.
* tests/python/piperead.ipynb: Delete.
* tests/python/word.ipynb: Move error checking code...
* tests/python/_word.ipynb: ... in this new file.
* doc/org/tut.org, tests/Makefile.am: Adjust.

Fixes #311.

* tests/python/ipnbdoctest.py: Adjust to process the new format,
with a lot of inspiration from Vcsn's copy of this file.
* tests/python/_altscc.ipynb, tests/python/_aux.ipynb,
tests/python/acc_cond.ipynb, tests/python/accparse.ipynb,
tests/python/alternation.ipynb, tests/python/atva16-fig2a.ipynb,
tests/python/atva16-fig2b.ipynb, tests/python/automata-io.ipynb,
tests/python/automata.ipynb, tests/python/decompose.ipynb,
tests/python/formulas.ipynb, tests/python/gen.ipynb,
tests/python/highlighting.ipynb, tests/python/ltsmin-dve.ipynb,
tests/python/ltsmin-pml.ipynb, tests/python/parity.ipynb,
tests/python/piperead.ipynb, tests/python/product.ipynb,
tests/python/randaut.ipynb, tests/python/randltl.ipynb,
tests/python/stutter-inv.ipynb, tests/python/testingaut.ipynb,
tests/python/word.ipynb: Upgrade to the new format.
* NEWS: Mention the change.

* spot/twaalgos/remfin.cc: Simplify acceptance before trying the
different strategies.
* spot/twaalgos/cleanacc.cc: Skip simplify_complementary_marks_here()
on generalized Büchi.
* tests/core/remfin.test, tests/python/tra2tba.py: Adjust.
* spot/twaalgos/totgba.cc: Simplify the result of Streett->GBA.
* NEWS: Adjust.

Fixes #309.

* python/spot/__init__.py (twa_word.as_svg, twa_word.show): New
  methods.
* tests/python/word.ipynb: Use them.
* NEWS: Mention them.

* spot/twaalgos/parity.cc: Do not throw a pointer to an exception,
throw the exception directly.  Factor all the throwing code in a
function.
* tests/python/parity.py: Add test case.

* python/spot/__init__.py: Here.
* tests/python/parity.py: New file.
* tests/Makefile.am: Add it.

* python/spot/__init__.py: Deal with vectors of bools.
* tests/python/highlighting.ipynb: Test this.

* python/spot/impl.i (get_product_states, set_product_states): New.
* tests/python/product.ipynb: Use it.
* NEWS: Mention it.

* spot/twaalgos/sccinfo.cc: Here.
* tests/python/sccinfo.py: Test it.

* python/spot/__init__.py: Recognize if the input is already a
formula.
* tests/python/formulas.ipynb: Test this.

* spot/twaalgos/stutter.hh, spot/twaalgos/stutter.cc: Introduce
is_stutter_invariant_forward_closed and
make_stutter_invariant_forward_closed_inplace.
* tests/python/stutter-inv.ipynb: Use them.

* spot/twaalgos/isdet.hh, spot/twaalgos/isdet.cc (check_determinism):
New function.
* NEWS: Mention it.
* tests/python/semidet.py: New file.
* tests/Makefile.am: Add it.

* spot/tl/hierarchy.hh, spot/tl/hierarchy.cc (nesting_depth): New
function.
* python/spot/__init__.py: Also make it a method of formula in Python
* bin/common_output.cc, bin/common_output.hh: Implement
--stats=%[OP]n.
* NEWS: Mention it.
* tests/core/format.test, tests/python/formulas.ipynb: Test it.

* tests/python/ipnbdoctest.py: Here.  It seems importlib
does not load importlib.util anymore.

* tests/python/ipnbdoctest.py: skip test when jupyter is not found

Fixes #307.

* spot/tl/formula.hh: Here.
* tests/python/ltlparse.py: Test it.
* NEWS: Mention it.

* tests/python/ipnbdoctest.py: Here.  It seems importlib
does not load importlib.util anymore.

* tests/python/dca.test: Do not assume the run script is in the source
directory.

Fixes #297. Implement the following rules.

Fin(i) & Fin(j) by f if i and j are complementary
Fin(i) & Inf(i) by f
Inf(i) | Inf(j) by t if i and j are complementary
Fin(i) | Inf(i) by t.

* spot/twaalgos/cleanacc.cc, spot/twaalgos/cleanacc.hh: Here.
* tests/python/merge.py: Add more test cases.
* NEWS: Mention the change.

* spot/twa/acc.cc: Implement this.
* tests/python/randaut.ipynb: Adjust.

* spot/twa/acc.cc: Implement this.
* tests/python/automata.ipynb, tests/python/randaut.ipynb,
tests/python/stutter-inv.ipynb: Adjust.

* spot/twa/acc.cc, spot/twa/acc.hh (acc_cond::name): New method.
* spot/twaalgos/dot.cc: Use it.
* tests/python/acc_cond.ipynb: Add a small test.
* NEWS: Mention it.

* spot/twaalgos/stutter.cc,
spot/twaalgos/stutter.hh (stutter_invariant_letters)
(stutter_invariant_states): Get rid of the broken local variant.
* tests/python/stutter-inv.ipynb, NEWS: Document.
* python/spot/impl.i: Bind vector<bdd>.

* spot/twaalgos/stutter.cc, spot/twaalgos/stutter.hh: Cleanup and
document the api.
* spot/twa/twa.hh, doc/mainpage.dox: Add a stutter-invariant section.
* tests/python/stutter-inv-states.ipynb: Rename as ...
* tests/python/stutter-inv.ipynb: ... this, and add more comments.
* tests/Makefile.am, doc/org/tut.org: Adjust renaming.
* bench/stutter/stutter_invariance_randomgraph.cc,
bench/stutter/stutter_invariance_formulas.cc,
bench/stutter/Makefile.am: Make it compile again.
* bin/autfilt.cc: Call inplace variants.
* NEWS: Mention the overhaul.

* NEWS: document the rewrite
* spot/twaalgos/determinize.cc: lots of code optimizations
* tests/core/safra.test, tests/python/highlighting.ipynb,
  tests/python/simstate.py: Update tests

* spot/twaalgos/stutter.cc, spot/twaalgos/stutter.hh: Implement
stutter-invariance detection at the state level.
* python/spot/impl.i: Instantiate std::vector<bool>
* tests/python/stutter-inv-states.ipynb: New file.
* tests/Makefile.am, doc/org/tut.org: Add it.

* tests/python/toweak.py: Here.

Maximilien Colange authored Sep 25, 2017 and Alexandre Duret-Lutz committed Sep 29, 2017

* spot/twaalgos/sccinfo.hh, spot/twaalgos/sccinfo.cc: Implement it
* tests/python/sccinfo.py: Test it
* NEWS: Document the fix

Fixes #282.

* spot/misc/bddlt.hh (bdd_less_than_stable): New function.
* spot/twa/twagraph.cc (merge_edges): Use it.
* tests/core/complement.test, tests/core/degenid.test,
tests/core/ltldo.test, tests/core/prodor.test,
tests/core/readsave.test, tests/core/sbacc.test,
tests/python/atva16-fig2a.ipynb, tests/python/automata.ipynb,
tests/python/decompose.ipynb, tests/python/dualize.py,
tests/python/highlighting.ipynb, tests/python/piperead.ipynb,
tests/python/product.ipynb, tests/python/simstate.py,
tests/python/tra2tba.py: Adjust all expected outputs.
* NEWS: Mention the bug.

These were the most expansive tests, each taking more than 5min.
This should bring them back below 1min.

* tests/core/parity.test: Do not run through valgrind.
* tests/python/toweak.py: Remove one very long case.