def fitnessFunction(chromo, setPheno = False):
#build program
try:
s1 = symbols("exp")
g = grammar.builder(s1)
built = g.buildList(chromo)
if callable(setPheno):
setPheno(built)
#print(built)
except RecursionError:
if log == "Error":
print("Recursion Error, fitness 0")
return 0
#execute program
try:
lisp = evaluator(terminals)
evaluated = lisp.eval(*built)
if type(evaluated) is str:
evaluated = 0
#fitness is greater the closer we get to goal
goal = 556
return goal - math.fabs(evaluated - goal)
except OverflowError:
if log == "Error":
print("OverFlow Error, fitness 0")
return 0
except ExpressionConstraintError:
if log == "Error":
print("Constraint Broken.")
return 0
def results():
#play noise
Freq = 2500 # Set Frequency To 2500 Hertz
Dur = 1000 # Set Duration To 1000 ms == 1 second
winsound.Beep(Freq,Dur)
print("|\n|\n|\n|\tRESULTS\n========================")
p.look()
print("|\n|\n|\n| BEST:")
try:
lisp = evaluator(terminals)
evaluated = lisp.eval(*p.bestInd.getPheno())
print (evaluated)
print(str(p.bestInd.getPheno()))
except OverflowError:
print("Overlfow error in evaluator.")
