Functions.py 文件源码

def power(self, *args):
        if not len(args) > 1:
            raise EvaluateException('** requires at least 2 parameters!' + ' (' + str(len(args)) + ' given).')

        elif False in [isinstance(x, NumberType) for x in args]:
            raise EvaluateException('** requires all parameters to be numbers!')

        return reduce(op.pow, args[1:], args[0])