From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/6166 Path: news.gmane.org!not-for-mail From: Sergey Dmitrouk Newsgroups: gmane.linux.lib.musl.general Subject: Re: [PATCH] Make musl math depend less on libgcc builtins Date: Thu, 18 Sep 2014 17:28:40 +0300 Message-ID: <20140918142840.GA9425@zx-spectrum> References: <20140911073532.GA3179@zx-spectrum> <20140911094705.GF21835@port70.net> <20140911114207.GA5041@zx-spectrum> <20140911122651.GH21835@port70.net> <20140911132253.GA5487@zx-spectrum> <20140911141123.GL21835@port70.net> Reply-To: musl@lists.openwall.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" X-Trace: ger.gmane.org 1411050546 27751 80.91.229.3 (18 Sep 2014 14:29:06 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 18 Sep 2014 14:29:06 +0000 (UTC) To: "musl@lists.openwall.com" Original-X-From: musl-return-6179-gllmg-musl=m.gmane.org@lists.openwall.com Thu Sep 18 16:28:59 2014 Return-path: Envelope-to: gllmg-musl@plane.gmane.org Original-Received: from mother.openwall.net ([195.42.179.200]) by plane.gmane.org with smtp (Exim 4.69) (envelope-from ) id 1XUcha-0006TD-Gl for gllmg-musl@plane.gmane.org; Thu, 18 Sep 2014 16:28:54 +0200 Original-Received: (qmail 5456 invoked by uid 550); 18 Sep 2014 14:28:53 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Original-Received: (qmail 5448 invoked from network); 18 Sep 2014 14:28:52 -0000 Content-Disposition: inline In-Reply-To: <20140911141123.GL21835@port70.net> Xref: news.gmane.org gmane.linux.lib.musl.general:6166 Archived-At: On Thu, Sep 11, 2014 at 07:11:23AM -0700, Szabolcs Nagy wrote: > on a correct implementation ==, != are quiet, but <,>,<=,>= > raise invalid if any of the operands are nan I wanted to get some details on this, but failed to find relevant sections of C99/IEEE754 standards. I see C99 referring to IEEE754, is it in "5.11 Details of comparison predicates" section of IEEE754? Could you please point me to section(s) I'm apparently missing? -- Sergey