62 lines
2.0 KiB
Python
62 lines
2.0 KiB
Python
#!/usr/bin/env python3
|
|
# Copyright 2010-2022 Google LLC
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
"""Sample to test or-tools installation."""
|
|
import ortools
|
|
# from ortools.algorithms import pywrapknapsack_solver
|
|
from ortools.constraint_solver import pywrapcp
|
|
# from ortools.graph.python import linear_sum_assignment
|
|
# from ortools.graph.python import max_flow
|
|
# from ortools.graph.python import min_cost_flow
|
|
from ortools.linear_solver import pywraplp
|
|
# from ortools.linear_solver import linear_solver_pb2
|
|
# from ortools.sat.python import swig_helper
|
|
# from ortools.sat.python import cp_model
|
|
# from ortools.scheduling import pywraprcpsp
|
|
# from ortools.util.python import sorted_interval_list
|
|
|
|
|
|
def lpsolver_test():
|
|
"""Test pywraplp."""
|
|
print('Test lpsolver...')
|
|
lpsolver = pywraplp.Solver('LinearTest',
|
|
pywraplp.Solver.GLOP_LINEAR_PROGRAMMING)
|
|
lpsolver.Solve()
|
|
print('Test lpsolver...DONE')
|
|
|
|
|
|
def cpsolver_test():
|
|
"""Test pywrapcp."""
|
|
print('Test cpsolver...')
|
|
cpsolver = pywrapcp.Solver('ConstraintTest')
|
|
num_vals = 3
|
|
x = cpsolver.IntVar(0, num_vals - 1, 'x')
|
|
y = cpsolver.IntVar(0, num_vals - 1, 'y')
|
|
z = cpsolver.IntVar(0, num_vals - 1, 'z')
|
|
cpsolver.Add(x != y)
|
|
db = cpsolver.Phase([x, y, z], cpsolver.CHOOSE_FIRST_UNBOUND,
|
|
cpsolver.ASSIGN_MIN_VALUE)
|
|
cpsolver.Solve(db)
|
|
print('Test cpsolver...DONE')
|
|
|
|
|
|
def main():
|
|
print(ortools.__version__)
|
|
lpsolver_test()
|
|
cpsolver_test()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|