From: martin.kahlert@keksy.mchp.siemens.de (Martin Kahlert)
To: help-gcc@gnu.org
Subject: Re: gcc newbie: rand()
Date: Fri, 31 Dec 1999 22:24:00 -0000 [thread overview]
Message-ID: <82qv9p$34v$1@news.mch.sbs.de> (raw)
Message-ID: <19991231222400.bWXX0KJk5LOHMnmObHAGGK7E2d1BYJYdKQin9IvBw6A@z> (raw)
In-Reply-To: <3850EBFA.BE9086DC@singnet.com.sg>
In article < 3850EBFA.BE9086DC@singnet.com.sg >,
Joachim Bauernberger <nuklear@singnet.com.sg> writes:
> /* hi there!
> *
> * can anybody tell my why the following code compiled with:............
>
> * gcc -g -D_GNU_SOURCE filename.c -o outputfile
> *
> * ....generates all sort of strange numbers but when compiled under
> borland gives me the desired * random numbers between 1 and 6 ??? how
> do i do it to get the numbers between 1 and 6.
> * this example is from a book about C so it can't be that wrong, can
> it?
It's wrong because of the strange value 32768. Use
x = rand() / (double) RAND_MAX;
instead.
--
The early bird gets the worm. If you want something else for
breakfast, get up later.
next prev parent reply other threads:[~1999-12-31 22:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-12-10 4:04 Joachim Bauernberger
1999-12-10 4:40 ` Jan Dvorak
1999-12-31 22:24 ` Jan Dvorak
1999-12-10 22:18 ` Martin Kahlert [this message]
1999-12-31 22:24 ` Martin Kahlert
1999-12-12 14:41 ` Patrick Block
1999-12-31 22:24 ` Patrick Block
1999-12-12 15:29 ` Rick Dearman
1999-12-31 22:24 ` Rick Dearman
1999-12-12 15:35 ` Rick Dearman
1999-12-31 22:24 ` Rick Dearman
1999-12-31 22:24 ` Joachim Bauernberger
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