On Mon, Feb 17, 2003 at 17:39:55 +1100, Tim Robbins wrote: > > variant (which generates bad quality ones), the only problem remains is > > first value monotonically increased with the seed. > > Here's an interesting picture of that: http://people.freebsd.org/~tjr/rand.gif >
Nothing surprising here. It is common and know problem for all mod-type PRNGs. There is even good methods exists to eliminate this thing, see http://www.physik.uni-giessen.de:8081/PhysOfFinance/PoF09.pdf "Shuffling Algorithm" section for example. But all such methods will be incompatible with rand_r()... -- Andrey A. Chernov http://ache.pp.ru/ To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message
