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twa: add support for very-weak property

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* spot/twa/twa.hh: Implement the property.
* spot/parseaut/parseaut.yy, spot/twaalgos/hoa.cc: Add input
and output for it.
* spot/twaalgos/strength.cc,
spot/twaalgos/strength.hh (is_very_weak_automaton): New function.
* tests/core/alternating.test: Add a test for --check=strength
on an alternating automaton.
* tests/core/strength.test, tests/core/parseaut.test: Adjust expected
output.
* NEWS, doc/org/hoa.org, doc/org/concepts.org: Document it.
This commit is contained in:
Alexandre Duret-Lutz 2016-12-01 18:27:54 +01:00
parent a4ce999402
commit 582d455c23
11 changed files with 146 additions and 33 deletions
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NEWS
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@ -14,6 +14,10 @@ New in spot 2.2.2.dev (Not yet released)
* The new version of the Couvreur emptiness check is now the default
one, used by is_empty() and accepting_run().
* twa objects have a new property, very-weak, that can be set or
retrieved via twa::prop_very_weak(), and that can be tested by
is_very_weak_automaton().
Build:
* The configure script has a new option --enable-c++14, to compile in