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25 lines
677 B
25 lines
677 B
# MIPLearn: Extensible Framework for Learning-Enhanced Mixed-Integer Optimization
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# Copyright (C) 2020, UChicago Argonne, LLC. All rights reserved.
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# Released under the modified BSD license. See COPYING.md for more details.
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class Component:
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"""
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A Component is an object which adds functionality to a LearningSolver.
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"""
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def before_solve(self, solver, instance, model):
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return
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def after_solve(self, solver, instance, model, results):
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return
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def fit(self, training_instances):
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return
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def iteration_cb(self, solver, instance, model):
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return False
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def lazy_cb(self, solver, instance, model):
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return
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