From: ptc AT sdiv DOT cray DOT com (Paul Cheng)
Date: Wed, 2 Nov 1994 10:42:17 -0600
To: turnbull AT shako DOT sk DOT tsukuba DOT ac DOT jp
Subject: Re:Is it random number sequence?
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
References: <00986D2B DOT 0E0EEC20 DOT 13893 AT ludens DOT elte DOT hu> <9411020317 DOT AA26989 AT shako DOT sk DOT tsukuba DOT ac DOT jp>

On November  2, you (Stephen Turnbull) wrote:
>
>        printf(" %d", (rand()>>16)&3);
>

I don't think it is a good idea to play with bits in the returned number
at all. If you want a 3 bits random number, you should do this:

	printf(" %d", (int)( 8 * (double) rand() / RAND_MAX));

The numbers you get depend on how good the random number generator is.
RAND_MAX is 65536 in djgpp and 32767 in my sun work station.

Hope this helps.

Paul Cheng.