Re: Help!! Random Integer Generator Algorithm

On Mon, 16 Jan 2006 22:30:20 -0800, Klein wrote:

> Currently, I need a generator of random integer between 0 and 36. And this
> generator cannot contain any float operation. I tried srand48+lrand48 in
> GNU C Library. I get a random integer each time I invoke lrand48 and make
> the result mod 37. I try this 17804294 times. but the result is not fine.
> For example, there are 479571 "7" but 482212 "3".

I suspect that the problem is in srand48 and lrand48, not in the mod.

There are links to several pseudo-random number generators at
http://www.cs.sunysb.edu/~algorith/files/random-numbers.shtml

There are a few more at
http://www.nist.gov/dads/HTML/pseudorandomNumberGen.html

-paul-
--
Paul E. Black (p.black@xxxxxxx)

.

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