From: "A. Sinan Unur" <asu1 AT cornell DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Random numbers
Date: Fri, 30 May 1997 10:18:54 -0400
Organization: Cornell University http://www.cornell.edu
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Matthew Bennett wrote:
> 
> When using the 'random' command in the form:
> 
> printf("%d\n", random() & 10);
> 
decimal 10 is 1010 in binary. you are bitwise and'ing that with the
number you get from random(). say random returned 5 =0101. you get 1010
& 0101 = 0000. if you have problems understanding why, you need to get
an introductory book on C.
-- 
   Sinan
 
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