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Replace build_lazy_constraint by enforce_lazy_constraint

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This commit is contained in:
Alinson S. Xavier
2021-04-10 10:05:30 -05:00
parent 735884151d
commit f70363db0d
7 changed files with 99 additions and 46 deletions
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5
miplearn/components/dynamic_lazy.py
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@@ -51,8 +51,7 @@ class DynamicLazyConstraintsComponent(Component):
) -> None:
assert solver.internal_solver is not None
for cid in cids:
cobj = instance.build_lazy_constraint(model, cid)
solver.internal_solver.add_constraint(cobj)
instance.enforce_lazy_constraint(solver.internal_solver, model, cid)
@overrides
def before_solve_mip(
@@ -78,7 +77,7 @@ class DynamicLazyConstraintsComponent(Component):
model: Any,
) -> bool:
logger.debug("Finding violated lazy constraints...")
cids = instance.find_violated_lazy_constraints(model)
cids = instance.find_violated_lazy_constraints(solver.internal_solver, model)
if len(cids) == 0:
logger.debug("No violations found")
return False