34c3c1cedc
* wrap/python/: Rename to... * python/: ... this. * wrap/: Delete. * Makefile.am, README, configure.ac, debian/python3-spot.examples, debian/rules, doc/org/.dir-locals.el.in, doc/org/init.el.in, spot/sanity/ipynb.test: Adjust.
61 lines
1.8 KiB
Python
Executable file
61 lines
1.8 KiB
Python
Executable file
# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2012 Laboratoire de Recherche et Développement
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# de 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 sys
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from buddy import *
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bdd_init(10000, 10000)
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bdd_setvarnum(5)
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V = [bdd_ithvar(i) for i in range(5)]
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a = V[0] & V[1] & -V[2]
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b = V[0] & V[1] & -V[2] & -V[3]
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c = -V[0] & V[1] & -V[2] & -V[3]
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d = V[1] & -V[2]
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e = V[1] & V[2] & -V[3] & V[4]
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f = V[0] & -V[3] & V[4]
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g = -V[0] | V[1]
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assert(bdd_implies(b,a))
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assert(not bdd_implies(a,b))
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assert(not bdd_implies(c,a))
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assert(bdd_implies(a,d))
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assert(bdd_implies(b,d))
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assert(bdd_implies(c,d))
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assert(bdd_implies(d,d))
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assert(not bdd_implies(e,d))
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assert(not bdd_implies(d,e))
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assert(not bdd_implies(f,e))
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assert(not bdd_implies(e,f))
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assert(bdd_implies(bddfalse,f))
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assert(not bdd_implies(bddtrue,f))
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assert(bdd_implies(f,bddtrue))
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assert(not bdd_implies(f,bddfalse))
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assert(bdd_implies(a,g))
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a = (-V[2] & (-V[1] | V[0])) | (-V[0] & V[1] & V[2])
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b = V[1] | -V[2]
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assert(bdd_implies(a,b))
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# Cleanup all BDD variables before calling bdd_done(), otherwise
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# bdd_delref will be called after bdd_done() and this is unsafe in
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# optimized builds.
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V = a = b = c = d = e = f = g = 0;
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bdd_done()
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