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introduce is_inherently_weak_automaton()

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* spot/twaalgos/strength.cc, spot/twaalgos/strength.hh
(is_inherently_weak_automaton): New function.
(is_type_automaton): Adjust to implement the above and
set prop_inherently_weak().
* spot/twaalgos/isweakscc.cc, spot/twaalgos/isweakscc.hh:
Rewrite is_inherently_weak_scc() to not enumerate cycles.
* spot/bin/autfilt.cc: Add a --is-inherently-weak option.
* spot/tests/readsave.test: More tests.
* spot/tests/strength.test: Adjust expected output.
* doc/org/hoa.org: Adjust documentation of --check.
* NEWS: Mention those changes.
This commit is contained in:
Alexandre Duret-Lutz 2015-12-08 18:09:44 +01:00
parent 0edb2ad066
commit 1f2260f971
9 changed files with 154 additions and 70 deletions
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6
NEWS
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@ -2,6 +2,8 @@ New in spot 1.99.6a (not yet released)
Command-line tools:
* autfilt has a new option: --is-inherently-weak.
Library:
* Installed headers now assume that they will be included as
@ -23,6 +25,10 @@ New in spot 1.99.6a (not yet released)
of $includedir/spot/iface/, so that installed and non-installed
directories can be used similarly.
* is_inherently_weak_automaton() is a new function, and
check_strength() has been modified to also check inherently weak
automata.
Python:
Documentation: