def G2DBinaryStringMutatorSwap(genome, **args):
""" The mutator of G2DBinaryString, Swap Mutator
.. versionadded:: 0.6
The *G2DBinaryStringMutatorSwap* function
"""
if args["pmut"] <= 0.0:
return 0
height, width = genome.getSize()
elements = height * width
mutations = args["pmut"] * elements
if mutations < 1.0:
mutations = 0
for i in xrange(height):
for j in xrange(width):
if Util.randomFlipCoin(args["pmut"]):
index_b = (rand_randint(0, height - 1),
rand_randint(0, width - 1))
Util.list2DSwapElement(genome.genomeString, (i, j),
index_b)
mutations += 1
else:
for it in xrange(int(round(mutations))):
index_a = (rand_randint(0, height - 1), rand_randint(0, width - 1))
index_b = (rand_randint(0, height - 1), rand_randint(0, width - 1))
Util.list2DSwapElement(genome.genomeString, index_a, index_b)
return int(mutations)
def G2DListMutatorSwap(genome, **args):
""" The mutator of G1DList, Swap Mutator
.. note:: this mutator is :term:`Data Type Independent`
"""
if args["pmut"] <= 0.0:
return 0
height, width = genome.getSize()
elements = height * width
mutations = args["pmut"] * elements
if mutations < 1.0:
mutations = 0
for i in xrange(height):
for j in xrange(width):
if Util.randomFlipCoin(args["pmut"]):
index_b = (rand_randint(0, height - 1),
rand_randint(0, width - 1))
Util.list2DSwapElement(genome.genomeList, (i, j), index_b)
mutations += 1
else:
for it in xrange(int(round(mutations))):
index_a = (rand_randint(0, height - 1), rand_randint(0, width - 1))
index_b = (rand_randint(0, height - 1), rand_randint(0, width - 1))
Util.list2DSwapElement(genome.genomeList, index_a, index_b)
return int(mutations)
def googleQueryMutator(genome, **args):
""" The mutator of GoogleQueryChromosome
"""
print "Mutating genome", genome
if args["pmut"] <= 0.0: return 0
# height, width = genome.getParam('seqlength')
height = 2
width = genome.getParam('seqlength')
elements = height * width
mutations = args["pmut"] * elements
if mutations < 1.0:
mutations = 0
for i in xrange(height):
for j in xrange(width):
if Util.randomFlipCoin(args["pmut"]):
index_b = (random.randint(0, height - 1),
random.randint(0, width - 1))
list2DSwapElement(genome.genomeList, (i, j), index_b)
mutations += 1
else:
for it in xrange(int(round(mutations))):
index_a = (random.randint(0, height - 1),
random.randint(0, width - 1))
index_b = (random.randint(0, height - 1),
random.randint(0, width - 1))
Util.list2DSwapElement(genome.genomeList, index_a, index_b)
return int(mutations)
def G2DBinaryStringMutatorSwap(genome, **args):
""" The mutator of G2DBinaryString, Swap Mutator
.. versionadded:: 0.6
The *G2DBinaryStringMutatorSwap* function
"""
if args["pmut"] <= 0.0:
return 0
height, width = genome.getSize()
elements = height * width
mutations = args["pmut"] * elements
if mutations < 1.0:
mutations = 0
for i in xrange(height):
for j in xrange(width):
if Util.randomFlipCoin(args["pmut"]):
index_b = (rand_randint(0, height - 1), rand_randint(0, width - 1))
Util.list2DSwapElement(genome.genomeString, (i, j), index_b)
mutations += 1
else:
for it in xrange(int(round(mutations))):
index_a = (rand_randint(0, height - 1), rand_randint(0, width - 1))
index_b = (rand_randint(0, height - 1), rand_randint(0, width - 1))
Util.list2DSwapElement(genome.genomeString, index_a, index_b)
return int(mutations)
def G2DListMutatorSwap(genome, **args):
""" The mutator of G1DList, Swap Mutator
.. note:: this mutator is :term:`Data Type Independent`
"""
if args["pmut"] <= 0.0:
return 0
height, width = genome.getSize()
elements = height * width
mutations = args["pmut"] * elements
if mutations < 1.0:
mutations = 0
for i in xrange(height):
for j in xrange(width):
if Util.randomFlipCoin(args["pmut"]):
index_b = (rand_randint(0, height - 1), rand_randint(0, width - 1))
Util.list2DSwapElement(genome.genomeList, (i, j), index_b)
mutations += 1
else:
for it in xrange(int(round(mutations))):
index_a = (rand_randint(0, height - 1), rand_randint(0, width - 1))
index_b = (rand_randint(0, height - 1), rand_randint(0, width - 1))
Util.list2DSwapElement(genome.genomeList, index_a, index_b)
return int(mutations)
def test_list2DSwapElement(self):
_list = [[1, 2, 3], [4, 5, 6]]
Util.list2DSwapElement(_list, (0, 1), (1, 1))
self.assertEqual(_list, [[1, 5, 3], [4, 2, 6]])
