Newsgroups: comp.os.msdos.djgpp
From: "Dennis Moran" <coolio AT coolio9 DOT com>
Subject: Re: random numbers error in DJGPP
Message-ID: <01bc0d3a$8782ece0$5e0520ce@d-moran>
Date: Sun, 02 Feb 1997 16:49:24 GMT
References: <32F44A89 DOT 3142 AT ix DOT netcom DOT com>
Lines: 28
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

Terence Ramos <de-bug AT ix DOT netcom DOT com> wrote in article
<32F44A89 DOT 3142 AT ix DOT netcom DOT com>...
> Hello...
> 
> I have been having trouble to get DJGPP to give me random numbers.  I am
> using the function rand()... this is how my source looks like
> 
> number = rand() % 100 + 1;
> 
> that should give me a random number from 1 to 100 right?  well i keep on
> getting the same number which is 1.  So i took out the + 1 part and now
> i only get 0.  whats wrong here?  Any help would be appreciated...
> 
> [Terence Ramos       ]
> [de-bug AT ix DOT netcom DOT com]
> 
> 

While I haven't started learning C yet (getting a book this afternoon!), in
QBasic the RND function returns a number between 0 and 1. So to get a
number between 1 and 100, try rand() * 100 + 1 . If rand() is the same as
RND then that'll work.


-- 
Dennis Moran (aka Coolio)
coolio AT coolio9 DOT com
http://www.coolio9.com/