zlktree: implement ACD and its transform

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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.

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This commit is contained in:

Alexandre Duret-Lutz 2021-08-09 15:22:17 +02:00

parent 8c5bb6c2eb

commit 26f2179805

10 changed files with 4657 additions and 144 deletions

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tests/python/_zlktree.ipynb

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