Fixed termination related stuff
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@ -17,7 +17,7 @@ ga.target_fitness_type = 'min'
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# Terminate when a chromosome has all 0's
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# Terminate when a chromosome has all 0's
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ga.fitness_goal = 0
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ga.fitness_goal = 0
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ga.termination_impl = EasyGA.Termination_Methods.fitness_based
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ga.generation_goal = None
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ga.evolve()
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ga.evolve()
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@ -8,6 +8,9 @@ class Termination_Methods:
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if ga.population == None:
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if ga.population == None:
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return True
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return True
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# If fitness goal is set, check it.
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if ga.fitness_goal is not None:
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# If minimum fitness goal reached, stop ga.
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# If minimum fitness goal reached, stop ga.
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if ga.target_fitness_type == 'min' and ga.get_chromosome_fitness(0) >= ga.convert_fitness(ga.fitness_goal):
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if ga.target_fitness_type == 'min' and ga.get_chromosome_fitness(0) >= ga.convert_fitness(ga.fitness_goal):
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return False
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return False
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@ -16,5 +19,5 @@ class Termination_Methods:
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if ga.target_fitness_type == 'max' and ga.get_chromosome_fitness(0) >= ga.convert_fitness(ga.fitness_goal):
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if ga.target_fitness_type == 'max' and ga.get_chromosome_fitness(0) >= ga.convert_fitness(ga.fitness_goal):
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return False
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return False
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# Otherwise continue ga.
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# If generation goal is set, check it.
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return ga.current_generation < ga.generation_goal
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return ga.generation_goal is not None and ga.current_generation < ga.generation_goal
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