On 02/18/2013 03:35 PM, Ivan Kazmenko wrote:
I wonder what is the use case of std.random.randomCover when one has std.random.randomShuffle. I was trying to use it just to get a random permutation of integers, and found randomCover prior to randomShuffle. However, for the number of elements as low as 10,000, the delay was already rather surprising, so I searched for a faster solution and found randomShuffle does a superior job. And now I wonder: how does one correctly use randomCover? Below is a sample test program showing the difference.
Surely, because randomShuffle is re-ordering the elements in-place, whereas randomCover is not.
