From: Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Random Numbers?
Organization: Pin Eight Software  http://pineight.8m.com/
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NNTP-Posting-Date: Tue, 04 Jul 2000 15:23:07 GMT
Distribution: world
Date: Tue, 04 Jul 2000 15:23:08 GMT
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

On Tue, 4 Jul 2000 15:22:58 +0200, "Geek86" <steivika AT online DOT no>
wrote:

>Which way is the best to make limited random numbers(t.ex. a random number
>between 1 and 100) in C using DJGPP and Allegro?

Once you've seeded the PRNG, try this:

/* for random numbers 5 to 15, range = 11 and min = 5 */

int rand_range(int min, int range)
{
  return rand() * (long long)range / (RAND_MAX + (long long)1) + min;
}

This gives you decent results (good enough for a game) if the
range isn't really big.  Search the archives at www.delorie.com
for a better answer.

-- 
Damian Yerrick
"I refuse to listen to those who refuse to listen to reason."
See the whole sig: http://www.rose-hulman.edu/~yerricde/sig.html

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