def mutate_tree_with_constants(genome, **args):
''' this mutates the constant part, the variable part of the leaves or the function in a node
mutations add a random number to previous constant
mutations change function and variable randomly
'''
mutations = 0
allele = genome.getParam("allele")
for node in genome.getAllNodes() :
if node.isLeaf() :
#potentially change constant in leaf
if py.Util.randomFlipCoin(args["pmut"]):
mutations += 1
constant, variable = node.getData()
node.setData([rc.mutated_constant(constant),variable])
#potentially change the variable in leaf
if py.Util.randomFlipCoin(args["pmut"]):
mutations += 1
constant, variable = node.getData()
node.setData([constant,random.choice(allele[0][1])])
else :
#potentially change function in node
if py.Util.randomFlipCoin(args["pmut"]):
mutations += 1
node.setData(random.choice(allele[0][0]))
return mutations
def mutate_tree_with_constants(genome, **args):
''' this mutates the constant part, the variable part of the leaves or the function in a node
mutations add a random number to previous constant
mutations change function and variable randomly
'''
mutations = 0
allele = genome.getParam("allele")
for node in genome.getAllNodes():
if node.isLeaf():
#potentially change constant in leaf
if py.Util.randomFlipCoin(args["pmut"]):
mutations += 1
constant, variable = node.getData()
node.setData([rc.mutated_constant(constant), variable])
#potentially change the variable in leaf
if py.Util.randomFlipCoin(args["pmut"]):
mutations += 1
constant, variable = node.getData()
node.setData([constant, random.choice(allele[0][1])])
else:
#potentially change function in node
if py.Util.randomFlipCoin(args["pmut"]):
mutations += 1
node.setData(random.choice(allele[0][0]))
return mutations
def mutate_tree_with_constants(genome, **args):
''' this mutates the constant part, the variable part of the leaves or the function in a node
mutations add a random number to previous constant
mutations change function and variable randomly
'''
mutations = 0
allele = genome.getParam("allele")
for node in genome.getAllNodes():
if node.isLeaf():
# potentially change constant in leaf
if py.Util.randomFlipCoin(args["pmut"]):
mutations += 1
constant, variable = node.getData()
node.setData([rc.mutated_constant(constant), variable])
# potentially change the variable in leaf
if py.Util.randomFlipCoin(args["pmut"]):
mutations += 1
constant, variable = node.getData()
node.setData([constant, random.choice(allele[0][1])])
# potentially change leaf to tree
if genome.getNodeDepth(node) != genome.getParam("max_depth") and py.Util.randomFlipCoin(args["pmut"] ) :
mutations += 1
node.setData(random.choice(allele[0][0]))
child1 = py.GTree.GTreeNode(0)
child1.setData([rc.new_constant(), random.choice(allele[0][1])])
child1.setParent(node)
node.addChild(child1)
child2 = py.GTree.GTreeNode(0)
child2.setData([rc.new_constant(), random.choice(allele[0][1])])
child2.setParent(node)
node.addChild(child2)
genome.processNodes()
else:
# potentially change function in node
if py.Util.randomFlipCoin(args["pmut"]):
mutations += 1
node.setData(random.choice(allele[0][0]))
if genome.getNodeHeight(node) == 1:
# potentially change node to leaf
if py.Util.randomFlipCoin(args["pmut"] ):
mutations += 1
node.setData([rc.new_constant(), random.choice(allele[0][1])])
node.getChilds()[:] = []
genome.processNodes()
return mutations
def mutate_tree_with_constants(genome, **args):
''' this mutates the constant part, the variable part of the leaves or the function in a node
mutations add a random number to previous constant
mutations change function and variable randomly
'''
mutations = 0
allele = genome.getParam("allele")
for node in genome.getAllNodes():
if node.isLeaf():
# potentially change constant in leaf
if py.Util.randomFlipCoin(args["pmut"]):
mutations += 1
constant, variable = node.getData()
node.setData([rc.mutated_constant(constant), variable])
# potentially change the variable in leaf
if py.Util.randomFlipCoin(args["pmut"]):
mutations += 1
constant, variable = node.getData()
node.setData([constant, random.choice(allele[0][1])])
# potentially change leaf to tree
if py.Util.randomFlipCoin(args["pmut"] / 10):
mutations += 1
node = buildGTreeGrowWithConstants(0, allele[0][0], allele[0][1], 1)
genome.processNodes()
else:
# potentially change function in node
if py.Util.randomFlipCoin(args["pmut"]):
mutations += 1
node.setData(random.choice(allele[0][0]))
if genome.getNodeHeight(node) == 1:
# potentially change node to leaf
if py.Util.randomFlipCoin(args["pmut"] / 10):
mutations += 1
node.setData([rc.new_constant(), random.choice(allele[0][1])])
node.getChilds()[:] = []
genome.processNodes()
return mutations
