(self, x, y)
return x, y
return x,y with same exponet
return x,y with same exponet
return x y with same exponet
def __align_exponent(self, x, y):
        """return x,y with same exponet
        """
        if x.exponent < y.exponent:
            x = x.increase_exponent_to(y.exponent)
        elif x.exponent > y.exponent:
            y = y.increase_exponent_to(x.exponent)

        return x, y
def __align_exponent ( self , x , y ) : if x . exponent < y . exponent : x = x . increase_exponent_to ( y . exponent ) elif x . exponent > y . exponent : y = y . increase_exponent_to ( x . exponent ) return x , y