def getProbWeights(fractions):
''' static method, returns a tuple of integers
which are the numerators of given sequence of fractions,
after conversion to a common denominator
'''
denominators = tuple(fraction.denominator for fraction in fractions)
if len(denominators) == 0:
raise ProbFraction.Error('getProbWeights requires at least one fraction')
lcm = calcLCM(denominators)
return tuple(fraction.numerator*(lcm//fraction.denominator) for fraction in fractions)
def __init__(self, *args):
Lea.__init__(self)
self._leaArgs = tuple(Lea.coerce(arg) for arg in args)
counts = tuple(leaArg.getAlea()._count for leaArg in self._leaArgs)
lcm = calcLCM(counts)
self._factors = tuple(lcm // count for count in counts)
