35 lines
1.0 KiB
Python
35 lines
1.0 KiB
Python
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from ortools.linear_solver import pywraplp
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from ortools.linear_solver import linear_solver_pb2
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from ortools.constraint_solver import pywrapcp
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from ortools.sat import pywrapsat
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from ortools.graph import pywrapgraph
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from ortools.algorithms import pywrapknapsack_solver
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from ortools.data import pywraprcpsp
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def lpsolver():
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print('Test lpsolver...')
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lpsolver = pywraplp.Solver(
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'LinearTest',
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pywraplp.Solver.GLOP_LINEAR_PROGRAMMING)
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lpsolver.Solve()
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print('Test lpsolver...DONE')
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def cpsolver():
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print('Test cpsolver...')
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cpsolver = pywrapcp.Solver('ConstraintTest')
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num_vals = 3
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x = cpsolver.IntVar(0, num_vals - 1, "x")
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y = cpsolver.IntVar(0, num_vals - 1, "y")
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z = cpsolver.IntVar(0, num_vals - 1, "z")
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cpsolver.Add(x != y)
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db = cpsolver.Phase([x, y, z], cpsolver.CHOOSE_FIRST_UNBOUND, cpsolver.ASSIGN_MIN_VALUE)
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cpsolver.Solve(db)
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print('Test cpsolver...DONE')
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def main():
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lpsolver()
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cpsolver()
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if __name__ == "__main__":
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main()
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