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