www.delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp/2000/02/15/11:42:15

From: buers AT gmx DOT de (Dieter Buerssner)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Uptime and entropy in DOS
Date: 15 Feb 2000 16:10:29 GMT
Lines: 21
Message-ID: <88btpi$128uk$2@fu-berlin.de>
References: <38A82321 DOT 952B55DA AT americasm01 DOT nt DOT com> <Pine DOT SUN DOT 3 DOT 91 DOT 1000215095332 DOT 23996N-100000 AT is> <b2miasojmafqqmurpcb90b3pmf8fv0bs6v AT 4ax DOT com>
NNTP-Posting-Host: af680.pppool.de (213.6.246.128)
Mime-Version: 1.0
X-Trace: fu-berlin.de 950631029 1123284 213.6.246.128 (16 [17104])
X-Posting-Agent: Hamster/1.3.8.0
User-Agent: Xnews/2.11.08
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

REPLYTOd_yerrick AT hotmail DOT comNO2CANNEDHAM (Damian Yerrick) wrote in 
<b2miasojmafqqmurpcb90b3pmf8fv0bs6v AT 4ax DOT com>:

>On Tue, 15 Feb 2000 09:53:49 +0200 (IST), Eli Zaretskii
><eliz AT is DOT elta DOT co DOT il> wrote:
>>But I don't see the above calculation anywhere in the sources of
>>`random.c', at least as it appears in DJGPP v2.03.
>
>I saw it in the FreeBSD sources.  It replaces
>  x = (x * 1103515245) + 12345;
>in the seed generator.

[I am not sure, what you mean by seed generator]

There may be a misunderstanding here. If I am not mistaken,
your code is the classic (bad) implementation of rand()
in BSD unices, while Eli is referring to BSD random().

Regards,
Dieter

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019