Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:70361
Return-Path: <johannes@schlueters.de>
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Delivered-To: mailing list internals@lists.php.net
Received: (qmail 71381 invoked from network); 24 Nov 2013 21:34:16 -0000
Received: from unknown (HELO lists.php.net) (127.0.0.1)
  by localhost with SMTP; 24 Nov 2013 21:34:16 -0000
Authentication-Results: pb1.pair.com header.from=johannes@schlueters.de; sender-id=unknown
Authentication-Results: pb1.pair.com smtp.mail=johannes@schlueters.de; spf=permerror; sender-id=unknown
Received-SPF: error (pb1.pair.com: domain schlueters.de from 217.114.215.10 cause and error)
X-PHP-List-Original-Sender: johannes@schlueters.de
X-Host-Fingerprint: 217.114.215.10 mail.experimentalworks.net  
Received: from [217.114.215.10] ([217.114.215.10:55666] helo=mail.experimentalworks.net)
	by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP
	id 14/D3-51929-5D072925 for <internals@lists.php.net>; Sun, 24 Nov 2013 16:34:14 -0500
Received: from [192.168.2.20] (ppp-93-104-16-97.dynamic.mnet-online.de [93.104.16.97])
	(using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits))
	(No client certificate requested)
	(Authenticated sender: johannes@schlueters.de)
	by mail.experimentalworks.net (Postfix) with ESMTPSA id 838253FF1D;
	Sun, 24 Nov 2013 22:34:32 +0100 (CET)
To: Robert Williams <rewilliams@thesba.com>
Cc: Pierre Joye <pierre.php@gmail.com>, Chris London <me@chrislondon.co>, 
 Tjerk Meesters <tjerk.meesters@gmail.com>, PHP Internals
 <internals@lists.php.net>
In-Reply-To: <2CBED69B-2859-4F70-A56D-27281EBED4CE@newtekemail.com>
References:
	 <CAHMUw2GyyABzaVjcMML8hhqm0gxCS5i-fzO5EE-e4b114OPRGA@mail.gmail.com>
	 <CAHMUw2H+H6L5+HCDnmPLUk+F6WfWLmj1pLNewzQxwh=wrU5kbA@mail.gmail.com>
	 <CAAjMSDM-sfT8tGJRFthckw7a3jgqzXS90rH48SvAyhQc_zB_KA@mail.gmail.com>
	 <CAEZPtU4ZdosXts2dwCs9beU+bd-OOWayaiqjuRKcbp67Fcfu-g@mail.gmail.com>
	 <2CBED69B-2859-4F70-A56D-27281EBED4CE@newtekemail.com>
Content-Type: text/plain; charset="UTF-8"
Date: Sun, 24 Nov 2013 22:33:56 +0100
Message-ID: <1385328836.19813.34.camel@guybrush>
Mime-Version: 1.0
X-Mailer: Evolution 2.30.3 
Content-Transfer-Encoding: 7bit
Subject: Re: [PHP-DEV] Re: rfc: pow-operator
From: johannes@schlueters.de (Johannes =?ISO-8859-1?Q?Schl=FCter?=)

On Sun, 2013-11-24 at 13:58 -0700, Robert Williams wrote:
> 
> $c = sqrt($c1**2 + $c2**2)
> 
> Instead of this:
> 
> $c = sqrt(pow($c1, 2) + pow($c2, 2)) 

This can even be improved already:

   $c = hypot($c1, $c2);

No need for engine changes, new opcodes and grammar rules :-)

johannes