Files
Corentin Le Molgat a7f49a2585 backport from main
* rename swig files .i in .swig
* update constraint_solver and routing
* backport math_opt changes
* move dynamic loading to ortools/third_party_solvers
2025-07-23 23:12:34 +02:00

66 lines
2.0 KiB
Python

#!/usr/bin/env python3
# Copyright 2010-2025 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 knapsack_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 cp_model_helper
# from ortools.sat.python import cp_model
# from ortools.scheduling import rcpsp
# 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()