With new Linear Feedback Shift Register, define an initial random number, the width is n, then do logical operation with a tap sequence which the width is also n, and generate a random number.

• 对于改进型线性反馈移位寄存法,预先定义宽为n的随机数,并与n位抽头序列做逻辑操作,然后输出一位随机数。