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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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8
spot/twaalgos/hoa.cc
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@ -500,12 +500,18 @@ namespace spot
}
if (aut->prop_terminal())
prop(" terminal");
if (aut->prop_weak() && (verbose || aut->prop_terminal() != true))
if (aut->prop_very_weak() && (verbose || aut->prop_terminal() != true))
prop(" very-weak");
if (aut->prop_weak() && (verbose || (aut->prop_terminal() != true &&
aut->prop_very_weak() != true)))
prop(" weak");
if (aut->prop_inherently_weak() && (verbose || aut->prop_weak() != true))
prop(" inherently-weak");
if (v1_1 && !aut->prop_terminal() && (verbose || aut->prop_weak() != false))
prop(" !terminal");
if (v1_1 && !aut->prop_very_weak() && (verbose
|| aut->prop_weak() != false))
prop(" !very-weak");
if (v1_1 && !aut->prop_weak() && (verbose ||
aut->prop_inherently_weak() != false))
prop(" !weak");