def calculate_total_combinations(self):
self.total_combinations = 1
for workSetWithQuantity in self.workSetsWithQuantities:
workSet = workSetWithQuantity[0]
quantity = workSetWithQuantity[1]
n_combinations_for_workSet = afc.combineNbyC(len(workSet), quantity)
self.total_combinations *= n_combinations_for_workSet
return self.total_combinations
def get_total_combinations(self):
'''
total_combinations is a combination n by c, the same that is known by n!((n-c)!c!)
where n is workSet's size and c is IndicesCombiner's quantity
'''
if self.total_combinations != None:
return self.total_combinations
n = len(self.workSet)
c = self.indicesCombiner.size
self.total_combinations = afc.combineNbyC(n, c)
return self.total_combinations
