(self, a)
return a.val < self.mod / 2
Check if a is positive in this field, i.e., if a < self.mod / 2
        :param a: IntegersModuloPrimeElement
        :return:
Check if a is positive in this field, i.e., if a < self.mod / 2
        :param a: IntegersModuloPrimeElement
        :return:
Check if a is positive in this field i . e . if a < self . mod / 2 : param a : IntegersModuloPrimeElement : return :
def is_positive(self, a):
        """
        Check if a is positive in this field, i.e., if a < self.mod / 2
        :param a: IntegersModuloPrimeElement
        :return:
        """
        return a.val < self.mod / 2
def is_positive ( self , a ) : return a . val < self . mod / 2