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moeadd bugfixes #43

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Merged
Gromwud merged 3 commits into from
Sep 22, 2025
Merged

moeadd bugfixes #43

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43a0dd5
moeadd_specific.py update
Gromwud Sep 22, 2025
3d7a5c0
moeadd.py update
Gromwud Sep 22, 2025
f82b241
Merge branch 'ITMO-NSS-team:main' into main
Gromwud Sep 22, 2025
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9 changes: 8 additions & 1 deletion epde/operators/multiobjective/moeadd_specific.py
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Original file line number Diff line number Diff line change
Expand Up @@ -353,18 +353,25 @@ def apply(self, objective: ParetoLevels, arguments: dict):
attempt_limit = self.params['attempt_limit']
temp_offspring = self.suboperators['chromosome_mutation'].apply(objective=offspring,
arguments=subop_args['chromosome_mutation'])
replaced = False
while True:
self.suboperators['right_part_selector'].apply(objective=temp_offspring,
arguments=subop_args['right_part_selector'])
self.suboperators['chromosome_fitness'].apply(objective=temp_offspring,
arguments=subop_args['chromosome_fitness'])

if all([not np.array_equal(temp_offspring.obj_fun, solution.obj_fun) for solution in objective.population]):
if all([not np.allclose(temp_offspring.obj_fun, solution.obj_fun) for solution in objective.population]):
self.suboperators['pareto_level_updater'].apply(objective=(temp_offspring, objective),
arguments=subop_args['pareto_level_updater'])
break
elif attempt >= attempt_limit and replaced:
print("Allowed replication")
self.suboperators['pareto_level_updater'].apply(objective=(temp_offspring, objective),
arguments=subop_args['pareto_level_updater'])
break
elif attempt >= attempt_limit:
temp_offspring.create()
replaced = True
attempt = 1
self.suboperators['chromosome_mutation'].apply(objective=temp_offspring,
arguments=subop_args['chromosome_mutation'])
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4 changes: 2 additions & 2 deletions epde/optimizers/moeadd/moeadd.py
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Original file line number Diff line number Diff line change
Expand Up @@ -157,7 +157,7 @@ def delete_point(self, point):
for level in self.levels:
temp = []
for element in level:
if not np.array_equal(element.obj_fun, point.obj_fun) or any(np.array_equal(element.obj_fun, h) for h in history):
if not np.allclose(element.obj_fun, point.obj_fun) or any(np.allclose(element.obj_fun, h) for h in history):
temp.append(element)
history.append(element.obj_fun)
if not len(temp) == 0:
Expand All @@ -166,7 +166,7 @@ def delete_point(self, point):
population_cleared = []
history = []
for elem in self.population:
if not np.array_equal(elem.obj_fun, point.obj_fun) or any(np.array_equal(elem.obj_fun, h) for h in history):
if not np.allclose(elem.obj_fun, point.obj_fun) or any(np.allclose(elem.obj_fun, h) for h in history):
population_cleared.append(elem)
history.append(elem.obj_fun)

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