c66b3d88d0
Fixes #390.
* spot/twaalgos/toparity.cc: Revert the relevant part of 516e9536.
* tests/python/toparity.py: Add test case.
* NEWS: Mention the issue.
51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
#!/usr/bin/python3
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# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2018, 2019 Laboratoire de Recherche et Développement de
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# l'EPITA.
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#
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# This file is part of Spot, a model checking library.
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#
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# Spot is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Spot is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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# License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import spot
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a = spot.automaton("""HOA: v1
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States: 1
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Start: 0
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AP: 2 "a" "b"
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Acceptance: 2 Inf(0)|Inf(1)
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--BODY--
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State: 0
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[0&1] 0 {0 1}
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[0&!1] 0 {0}
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[!0&1] 0 {1}
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[!0&!1] 0
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--END--""")
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p = spot.to_parity(a)
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assert spot.are_equivalent(a, p)
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for f in spot.randltl(4, 400):
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d = spot.translate(f, "det", "G")
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p = spot.to_parity(d)
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assert spot.are_equivalent(p, d)
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for f in spot.randltl(5, 2000):
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n = spot.translate(f)
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p = spot.to_parity(n)
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assert spot.are_equivalent(n, p)
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# Issue #390.
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a = spot.translate('!(GFa -> (GFb & GF(!b & !Xb)))', 'gen', 'det');
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b = spot.to_parity(a);
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assert a.equivalent_to(b)
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