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Implement lazy callbacks & two-phase gap

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This commit is contained in:
Alinson S. Xavier
2020-09-25 06:02:07 -05:00
parent 86e7b1981f
commit a221740ac5
10 changed files with 288 additions and 75 deletions
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6
miplearn/components/tests/test_lazy_static.py
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@@ -13,6 +13,9 @@ from miplearn.classifiers import Classifier
def test_usage_with_solver():
solver = Mock(spec=LearningSolver)
solver.use_lazy_cb = False
solver.gap_tolerance = 1e-4
internal = solver.internal_solver = Mock(spec=InternalSolver)
internal.get_constraint_ids = Mock(return_value=["c1", "c2", "c3", "c4"])
internal.extract_constraint = Mock(side_effect=lambda cid: "<%s>" % cid)
@@ -37,7 +40,8 @@ def test_usage_with_solver():
"c4": "type-b",
}[cid])
component = StaticLazyConstraintsComponent(threshold=0.90)
component = StaticLazyConstraintsComponent(threshold=0.90,
use_two_phase_gap=False)
component.classifiers = {
"type-a": Mock(spec=Classifier),
"type-b": Mock(spec=Classifier),