Sender:	nate AT cartsys DOT com
Message-ID:	<36A7A2FA.D99D4A17@cartsys.com>
Date:	Thu, 21 Jan 1999 13:58:18 -0800
From:	Nate Eldredge <nate AT cartsys DOT com>
X-Mailer:	Mozilla 4.08 [en] (X11; I; Linux 2.0.36 i586)
MIME-Version:	1.0
To:	djgpp AT delorie DOT com
Subject:	Re: rand() function
References:	<36A72C2A DOT 3DAF8CFE AT cryogen DOT com>
Reply-To:	djgpp AT delorie DOT com

FireFoX McLouD wrote:
> 
> How can I redefine the RAND_MAX parameter to use rand() with low
> numbers?

You don't want to.  The better solution is to use your knowledge that
the number varies from 0 to RAND_MAX to scale the numbers
appropriately.  So, if you want a number between 0 and n:

(int)(rand()/(double)RAND_MAX)*n

`rand()%n' also works but tends to yield less randomness.

-- 

Nate Eldredge
nate AT cartsys DOT com

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