def mutate_string_genome(string, p, char_set_size, **kwargs):
if random.random() <= p:
pos = random.randint(0, len(string) - 1)
char_list = list(string)
char_list[pos] = random.choice(char_set(char_set_size))
string = char_list_to_str(char_list)
return string
def mutate_bit_genome(bitstring, p, **kwargs):
if random.random() <= p:
pos = random.randint(0, len(bitstring) - 1)
char_list = list(bitstring)
char_list[pos] = bit_flip(char_list[pos])
bitstring = char_list_to_str(char_list)
return bitstring
def mutate_string_genome(string, p, char_set_size, **kwargs):
if random.random() <= p:
pos = random.randint(0, len(string) - 1)
char_list = list(string)
char_list[pos] = random.choice(char_set(char_set_size))
string = char_list_to_str(char_list)
return string
def mutate_bit_genome(bitstring, p, **kwargs):
if random.random() <= p:
pos = random.randint(0, len(bitstring) - 1)
char_list = list(bitstring)
char_list[pos] = bit_flip(char_list[pos])
bitstring = char_list_to_str(char_list)
return bitstring
def generate_initial_population(population_size, genome_size, char_set_size,
**kwargs):
S = char_set(char_set_size)
return tuple(
char_list_to_str(random.choice(S) for _ in range(genome_size))
for _ in range(population_size))
def generate_initial_population(population_size, genome_size, char_set_size, **kwargs):
S = char_set(char_set_size)
return tuple(
char_list_to_str(random.choice(S) for _ in range(genome_size))
for _ in range(population_size)
)
def mutate_string_components(string, p, char_set_size, **kwargs):
return char_list_to_str(random.choice(char_set(char_set_size)) if random.random() <= p else c for c in string)
def mutate_bit_components(bitstring, p, **kwargs):
return char_list_to_str(bit_flip(b) if random.random() <= p else b for b in bitstring)
def mix(a, b):
"""
for each component, randomly pick a value from a random parent
"""
return char_list_to_str(a[i] if random_bool() else b[i] for i in range(len(a)))
def mutate_string_components(string, p, char_set_size, **kwargs):
return char_list_to_str(
random.choice(char_set(char_set_size)) if random.random() <= p else c
for c in string)
def mutate_bit_components(bitstring, p, **kwargs):
return char_list_to_str(
bit_flip(b) if random.random() <= p else b for b in bitstring)
def mix(a, b):
"""
for each component, randomly pick a value from a random parent
"""
return char_list_to_str(a[i] if random_bool() else b[i]
for i in range(len(a)))
