* spot/twaalgos/cobuchi.cc (to_dca, to_nca): Do not process
the input if it is already co-Büchi.
* tests/core/dca.test: Test this.
* NEWS: Mention the bug.
From a report by Anton Pirogov.
* NEWS: Mention the bug.
* spot/twaalgos/stutter.cc: Fix it.
* tests/core/stutter-tgba.test: Test it.
* THANKS: Add Anton.
Fixes#333.
* spot/twaalgos/remfin.cc, spot/twaalgos/remfin.hh,
spot/twaalgos/totgba.cc: Adjust. The assert() added
to remove_fin() triggered a lot of failure in the test
suite before the different functions were fixed.
* tests/core/remfin.test, tests/python/tra2tba.py:
Adjust expected result.
* NEWS: Mention the bug.
* spot/twa/acc.cc: These functions were segfaulting on acceptance
conditions such as "Acceptance: 3 t" or "Acceptance: 3 f".
The issue was revealed on branch "next" by the change that print_dot()
display the acceptance condition by default, but we want the fix on
master as well.
* NEWS: Mention the issue.
The bug is mentioned by Maximilien Colange in a comment to issue #317,
but turned out to be unrelated to that original issue.
* spot/twaalgos/totgba.cc (dnf_to_streett): Save the correspondence
between the created states an the DNF clause in a named property.
* doc/org/concepts.org, spot/twaalgos/totgba.hh: Mention the new
property.
* spot/twaalgos/cobuchi.cc (save_inf_nca_st): Rewrite using the named
property. Relying on seen marks and trying to deduce the matching
original clause could only work from plain Rabin.
* tests/core/dca.test: Add the test from Maximilien.
* NEWS: Mention the issue.
Fixes#324, reported by Tobias Meggendorfer and František Blahoudek.
* spot/twa/acc.hh (rs_pairs_view::paired_with): Rename as...
(rs_pairs_view::paired_with_fin):... this and adjust the code.
* spot/twaalgos/remfin.cc: Use paired_with_fin instead of
paired_with, and do it once per pair.
* tests/core/remfin.test: Add a test case.
* NEWS: Mention the issue.
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
* spot/twaalgos/rabin2parity.cc, spot/twaalgos/rabin2parity.hh:
implement it
* spot/twaalgos/postproc.cc: use it
* spot/twaalgos/Makefile.am: build the new files
* NEWS: document the new function
* python/spot/impl.i: Python bindings for the new function
* tests/Makefile.am, tests/core/rabin2parity.test: test the new function
* 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.
We had new failure on MinGW with GCC believing that some pointer
returned by down_cast could be NULL; and the down_cast function was in
the global namespace.
* spot/misc/casts.hh: Rewrite.
* NEWS: Mention the small issues.
* tests/core/ikwiad.cc, tests/core/ngraph.cc: Adjust to use
spot::down_cast instead of down_cast.
* spot/twaalgos/postproc.cc, spot/twaalgos/postproc.hh: Add support
for a colored option.
* bin/common_post.cc, bin/common_post.hh bin/autfilt.cc,
bin/ltl2tgba.cc, bin/dstar2tgba.cc: Add support for --colored-parity.
* bin/ltldo.cc: Adjust as well for consistency, even if --parity and
--colored-parity is not used here.
* tests/core/parity2.test: Add tests.
* doc/org/autfilt.org, doc/org/ltl2tgba.org: Add examples.
* NEWS: Mention --colored-parity.
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#315.
* spot/twaalgos/cleanacc.cc (simplify_acceptance_here): Do not
compare the first edge against previous_a.
* tests/core/accsimpl.test: New file.
* tests/Makefile.am: Add it.
* NEWS: Mention the bug.
* spot/twaalgos/postproc.hh, spot/twaalgos/postproc.cc: Add parity
options.
* bin/common_post.cc: Add support for --parity.
* NEWS: Mention it.
* tests/core/parity2.test: New file.
* tests/Makefile.am: Add it.
Fixes#312, reported by František Blahoudek.
* spot/twaalgos/sbacc.cc: Detect the case were this can happen,
and fix it.
* tests/core/sbacc.test: New test case.
* NEWS: Mention the bug.
Fixes#313, reported by František Blahoudek.
* spot/twaalgos/totgba.cc (to_generalized_buchi): Fix it.
* tests/core/remfin.test: Test it.
* NEWS: Mention it.
Fixes#312, reported by František Blahoudek.
* spot/twaalgos/sbacc.cc: Detect the case were this can happen,
and fix it.
* tests/core/sbacc.test: New test case.
* NEWS: Mention the bug.
Fixes#313, reported by František Blahoudek.
* spot/twaalgos/totgba.cc (to_generalized_buchi): Fix it.
* tests/core/remfin.test: Test it.
* NEWS: Mention it.
* 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.
