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From: john@newave.UUCP (John A. Weeks III)
Newsgroups: comp.lang.c
Subject: Re: random numbers in c
Message-ID: <791@newave.UUCP>
Date: 28 Apr 91 00:04:26 GMT
References: <9104261022.aa28844@Bonnie.ics.uci.edu>
Reply-To: john@newave.mn.org (John A. Weeks III)
Organization: NeWave Communications Ltd, Eden Prairie, MN
Lines: 15

In <9104261022.aa28844@Bonnie.ics.uci.edu> sto@Bonnie.ICS.UCI.EDU writes:
> does anyone know how to generate random numbers in c from X to
> Y , where  X and Y can be postive or negative ?

Assuming that you have a procedure that returns random numbers between
0 and 1, try using n = X + ( random() * ( Y - X ) ).  You might want
to compute the range somewhere else, and then take the absolute value
of it (in case X > Y).

-john-

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John A. Weeks III               (612) 942-6969             john@newave.mn.org
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