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scc_info: introduce scc_and_mark_filter

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* spot/twaalgos/sccinfo.hh, spot/twaalgos/sccinfo.cc: Here.
* spot/twaalgos/genem.cc: Use it.
* python/spot/impl.i, python/spot/__init__.py: Add bindings.
* tests/python/genem.py: Test it.
* NEWS: Mention it.
This commit is contained in:
Alexandre Duret-Lutz 2019-03-30 11:03:03 +01:00
parent 0d9c81a6d9
commit 55db24e00e
7 changed files with 256 additions and 48 deletions
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6
NEWS
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@ -29,6 +29,12 @@ New in spot 2.7.2.dev (not yet released)
allows "autfilt [-D] --small" to minimize very-weak automata
whenever they are found to represent obligation properties.)
- There is a new spot::scc_and_mark_filter objet that simplify the
creation of filters to restrict spot::scc_info to some particular
SCC while cutting new SCCs on given acceptance sets. This is used
by spot::generic_emptiness_check() when processing SCCs
recursively, and makes it easier to write similar code in Python.
Bugs fixed:
- When processing CSV files with MSDOS-style \r\n line endings,