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>
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To: djgpp AT delorie DOT com
Subject: Re: rand() function
References: <36A72C2A DOT 3DAF8CFE AT cryogen DOT com>
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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