对于小的整数幂，比如2和3(或以2为基数，这比较特殊)，通常会选择完全错误的算法。

It usually chooses completely the wrong algorithm for small integral powers like two and three, or for special cases like a base of two.

youdao

与旧的VG类型一样，其大小使用兆字节为单位，并且大小变量必须等于2的整数幂。

As with the older VG types, the size is specified in units of megabytes and the size variable must be equal to a power of 2.

youdao

说明：该MF C程序可以进行长整数的四则，阶乘，幂的计算。重要的是在除法上做了性能的优化。

The MFC program can be carried long integer four, factorial, power calculations. It is important to do the division of the performance optimization.

youdao

I'm going to write a function to compute integer power exponents.

我要去写一个,计算一个整数幂指数的方法。

麻省理工公开课 - 计算机科学及编程导论课程节选