Changeset 1296

Timestamp:

02/23/24 04:48:57 (2 months ago)

Author:

Maciej Komosinski

Message:

Niching and novelty techniques currently require Individual.fitness_set_negative_to_zero = True

File:

• framspy/evolalg/tests/test_diferent_settings.py (modified) (3 diffs)

framspy/evolalg/tests/test_diferent_settings.py

@@ -9 +9 @@
 from ..numerical_example.numerical_example import ExperimentNumerical
 from ..numerical_example.numerical_islands_example import ExperimentNumericalIslands
+from ..structures.individual import Individual
 
 from ..utils import ensureDir
@@ -119 +120 @@
                   "max_numgenochars": params['max_numgenochars'],
                   }
+                  
+    old_fitness_set_negative_to_zero = Individual.fitness_set_negative_to_zero # save a copy of the current value to restore later
+    Individual.fitness_set_negative_to_zero = True # niching must have it set to True, see "-fitness_set_negative_to_zero" argument in experiment_abc.py
 
     experiment = ExperimentFramsNiching(frams_lib=framsLib,
@@ -140 +144 @@
                       pxov=params['pxov'],
                       tournament_size=params['tournament'])
+    
+    Individual.fitness_set_negative_to_zero = old_fitness_set_negative_to_zero # restore original value
 
 def test_run_experiment_frams_island(params):