第2章分治法 2.3.3 两个n位整数相乘(integer multiplication)的标准算法所需计 算时间为Θ(n 2 )。算法是如此的自然,以至于我们可能会觉得没 有更好的算法了。
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large integer multiplication 大整数乘法
Long integer multiplication 说明长整数乘法
This routine performs a lot of integer multiplication.
该例程执行了大量整数乘法。
Now, the integer multiply instructions on the SPU are somewhat problematic, especially signed multiplication (using the mpy instruction).
现在,SPU上的整数相乘指令多少有点问题,特别是有符号乘法(使用mpy指令)。
n It takes discrete values, multiples of some integer n, and the multiplication factor is the ratio of the Planck constant divided by 2 pi where n takes one, two, three and so on.
这些离散的值乘以整数,乘积因子,是普朗克常数除以2π,其中n可以取1,2,3,等等。
n It takes discrete values, multiples of some integer n, and the multiplication factor is the ratio of the Planck constant divided by 2 pi where n takes one, two, three and so on.
这些离散的值乘以整数,乘积因子,是普朗克常数除以2π,其中n可以取1,2,3,等等。
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