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| Message-ID: | <392D5391.E87DD3DE@earthlink.net> |
| From: | Martin Ambuhl <mambuhl AT earthlink DOT net> |
| Organization: | Nocturnal Aviation |
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| Newsgroups: | comp.os.msdos.djgpp |
| Subject: | Re: Random numbers |
| References: | <392CB951 DOT 34B432E6 AT chemistry DOT uq DOT edu DOT au> |
| Lines: | 26 |
| Date: | Thu, 25 May 2000 16:22:32 GMT |
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| NNTP-Posting-Date: | Thu, 25 May 2000 09:22:32 PDT |
| To: | djgpp AT delorie DOT com |
| DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
| Reply-To: | djgpp AT delorie DOT com |
Chris Miller wrote:
> If RAND_MAX is set to 100, then a call to rand() should return an
> integer between 0 and 100. However, on my computer, a call to rand()
> generates a number between what appears to be hundreds of millions and
> 0, even with RAND_MAX set to 100.
RAND_MAX is not for you to set. It reports to you the limit of values
generated by rand() is. One way to use it is:
#include <stdlib.h>
int foo(int limit)
{ return limit*(rand()/(1.+RAND_MAX)); }
--
Martin Ambuhl mambuhl AT earthlink DOT net
What one knows is, in youth, of little moment; they know enough who
know how to learn. - Henry Adams
A thick skin is a gift from God. - Konrad Adenauer
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