64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
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#!/usr/bin/python
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"""
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Scyther : An automatic verifier for security protocols.
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Copyright (C) 2008 Cas Cremers
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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"""
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#
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# test.py
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# experimenting with the constraint solver
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#
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# Ubuntu package: python-constraint
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#
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# http://labix.org/python-constraint
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#
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#---------------------------------------------------------------------------
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""" Import externals """
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import sys
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try:
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from constraint import *
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except:
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print "Could not import constraint solver module."
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print "For more information, visit"
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print " http://labix.org/python-constraint"
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sys.exit()
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#---------------------------------------------------------------------------
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def test():
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problem = Problem()
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problem.addVariables(range(0, 16), range(1, 16+1))
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problem.addConstraint(AllDifferentConstraint(), range(0, 16))
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problem.addConstraint(ExactSumConstraint(34), [0,5,10,15])
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problem.addConstraint(ExactSumConstraint(34), [3,6,9,12])
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for row in range(4):
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problem.addConstraint(ExactSumConstraint(34),
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[row*4+i for i in range(4)])
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for col in range(4):
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problem.addConstraint(ExactSumConstraint(34),
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[col+4*i for i in range(4)])
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solutions = problem.getSolutions()
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print solutions
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#---------------------------------------------------------------------------
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if __name__ == '__main__':
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test()
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