From owner-cvs-all  Sun Feb 25 10:38:20 2001
Delivered-To: cvs-all@freebsd.org
Received: from nagual.pp.ru (pobrecita.freebsd.ru [194.87.13.42])
	by hub.freebsd.org (Postfix) with ESMTP
	id 682D637B4EC; Sun, 25 Feb 2001 10:38:04 -0800 (PST)
	(envelope-from ache@nagual.pp.ru)
Received: (from ache@localhost)
	by nagual.pp.ru (8.11.2/8.11.2) id f1PIbjE57889;
	Sun, 25 Feb 2001 21:37:46 +0300 (MSK)
	(envelope-from ache)
Date: Sun, 25 Feb 2001 21:37:44 +0300
From: "Andrey A. Chernov" <ache@nagual.pp.ru>
To: Mark Murray <mark@grondar.za>
Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: rand.c patch for review (was: Re: cvs commit: ports/astro/xglobe/files patch-random)
Message-ID: <20010225213744.A57744@nagual.pp.ru>
References: <20010225193409.A56351@nagual.pp.ru> <200102251758.f1PHwuR02481@gratis.grondar.za>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.2.5i
In-Reply-To: <200102251758.f1PHwuR02481@gratis.grondar.za>; from mark@grondar.za on Sun, Feb 25, 2001 at 07:59:41PM +0200
Sender: owner-cvs-all@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

On Sun, Feb 25, 2001 at 19:59:41 +0200, Mark Murray wrote:
> > Patch for review:
> 
> Whats wrong with
> 
> int
> rand(void)
> {
> 	return((int)random());
> }
> 
> ??

1) Seed & State. Even if srand() is backed by srandom(), if called
independently, they overwrite each other seeding
state. initstate() etc. adds more here.

2) Speed.

-- 
Andrey A. Chernov
http://ache.pp.ru/

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe cvs-all" in the body of the message