def mutate(self, list_of_individuals):
### Currently only works on a material-basis
#print("MUTATING!!!")
if self.options['mutation_type'] == 'bitwise':
#print("BITWISE!", len(list_of_individuals))
for ind_count, individual in enumerate(list_of_individuals):
#print("MUTATING:", ind_count)
original_material_matrix = copy.deepcopy(
individual.material_matrix)
individual.material_matrix = self.single_bit_mutation(
original_material_matrix)
if self.options['verify_fuel_mass_after_mutation']:
### Checking if new child meets fuel # requirement
fuel_count = individual.count_material(1)
# try_count = 0
while (
(fuel_count > self.options['maximum_fuel_elements']) or
(fuel_count < self.options['minimum_fuel_elements'])):
individual.material_matrix = self.single_bit_mutation(
original_material_matrix)
fuel_count = individual.count_material(1)
# print("mutation fuel count:", fuel_count)
# try_count += 1
# print("fixed mutation in:", try_count, "tries")
return list_of_individuals
def write_options_funct(self, output_file, individual):
write_string = ""
for write_option in self.options['output_writeout_values']:
if write_option == 'generation':
write_string += str(self.generation) + ","
if write_option == 'individual_count':
write_string += str(individual.ind_count) + ","
if write_option == 'keff':
write_string += str(individual.keff) + ","
if write_option == 'materials':
write_string += str(individual.make_material_string_csv())
if write_option == 'input_name':
try:
write_string += str(individual.scale_input_filename) + ','
except:
write_string += "N/A,"
if write_option == 'number_of_fuel':
write_string += str(individual.count_material(1)) + ','
if write_option == 'write_out_parents':
write_string += str(individual.parent_string) + ','
if write_option == 'write_out_average_diversity_score':
if self.options['choose_parent_based_on_bitwise_diversity'] == True:
try:
average_tds = individual.total_diversity_score / (self.options['number_of_parents'] - 1)
write_string += str(average_tds) + ','
except:
write_string += "N/A,"
return write_string
def mutate(self):
### Currently only works on a material-basis
if self.options['mutation_type'] == 'bitwise':
for ind_count, individual in enumerate(self.individuals):
### Will not mutate parents/elite population
if ind_count < self.options['number_of_parents']:
continue
original_material_matrix = copy.deepcopy(individual.material_matrix)
individual.material_matrix = self.single_bit_mutation(original_material_matrix)
if self.options['verify_fuel_mass_after_mutation']:
### Checking if new child meets fuel # requirement
fuel_count = individual.count_material(1)
# try_count = 0
while ((fuel_count > self.options['maximum_fuel_elements']) or (
fuel_count < self.options['minimum_fuel_elements'])):
individual.material_matrix = self.single_bit_mutation(original_material_matrix)
fuel_count = individual.count_material(1)
def write_options_funct(self, output_file, individual):
write_string = ""
for write_option in self.options['output_writeout_values']:
if "#" in write_option:
write_option_split = write_option.split("#")
write_option = write_option_split[0]
if write_option == 'generation':
write_string += str(self.generation) + ","
if write_option == 'individual_count':
write_string += str(individual.ind_count) + ","
if write_option == 'keff':
write_string += str(individual.keff) + ","
if write_option == 'front_rank':
try:
write_string += str(individual.front_rank) + ","
except:
write_string += "N/A,"
if write_option == 'crowding_distance':
try:
write_string += str(individual.crowding_distance) + ","
except:
write_string += "N/A,"
if write_option == 'total_flux':
try:
write_string += str(individual.total_flux) + ","
except:
write_string += "N/A,"
if write_option == 'representativity':
try:
write_string += str(individual.representativity) + ","
except:
write_string += "N/A,"
if write_option == 'materials':
write_string += str(individual.make_material_string_csv())
if write_option == 'input_name':
try:
write_string += str(individual.input_file_string) + ','
except:
write_string += "N/A,"
if write_option == 'number_of_fuel':
write_string += str(individual.count_material(1)) + ','
if write_option == 'write_out_parents':
write_string += str(individual.parent_string) + ','
if write_option == 'write_out_average_diversity_score':
if self.options[
'choose_parent_based_on_bitwise_diversity'] == True:
try:
average_tds = individual.total_diversity_score / (
self.options['number_of_parents'] - 1)
write_string += str(average_tds) + ','
except:
write_string += "N/A,"
else:
write_string += "N/A,"
return write_string
def enforce_fuel_count(self):
for individual in self.individuals:
fuel_count = individual.count_material(1)
if fuel_count != self.options['enforced_fuel_count_value']:
individual.fix_material_count(1, self.options['enforced_fuel_count_value'])