From owner-freebsd-standards@FreeBSD.ORG Fri May 9 09:04:06 2003 Return-Path: Delivered-To: freebsd-standards@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 17AD637B401 for ; Fri, 9 May 2003 09:04:06 -0700 (PDT) Received: from flood.ping.uio.no (flood.ping.uio.no [129.240.78.31]) by mx1.FreeBSD.org (Postfix) with ESMTP id EA6EF43F3F for ; Fri, 9 May 2003 09:04:04 -0700 (PDT) (envelope-from des@ofug.org) Received: by flood.ping.uio.no (Postfix, from userid 2602) id C9B03530E; Fri, 9 May 2003 18:04:02 +0200 (CEST) X-URL: http://www.ofug.org/~des/ X-Disclaimer: The views expressed in this message do not necessarily coincide with those of any organisation or company with which I am or have been affiliated. To: Sean Chittenden References: <20030507175740.GM49916@perrin.int.nxad.com> <20030508080005.D4073@gamplex.bde.org> <20030507230627.GQ49916@perrin.int.nxad.com> <20030507231923.GS49916@perrin.int.nxad.com> <20030508031632.GA18461@HAL9000.homeunix.com> From: Dag-Erling Smorgrav Date: Fri, 09 May 2003 18:04:02 +0200 In-Reply-To: <20030508031632.GA18461@HAL9000.homeunix.com> (David Schultz's message of "Wed, 7 May 2003 20:16:32 -0700") Message-ID: User-Agent: Gnus/5.1001 (Gnus v5.10.1) Emacs/21.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii cc: freebsd-standards@freebsd.org Subject: Re: float values at the extreme... when did things change? X-BeenThere: freebsd-standards@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Standards compliance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 May 2003 16:04:06 -0000 David Schultz writes: > I don't know why people keep assuming the 'g' stands for GNU. I > don't think it stands for the name of the author, either. The > original 'dtoa' routine provided IEEE 754 double conversions, > whereas 'gdtoa' is a generic routine that operates on many > different floating point formats. (The algorithms are basically > the same, albeit less efficient.) Thus, the 'g' probably stands > for ``generalized''. Both the original dtoa implementation and gdtoa were written by the same author, and he himself describes gdtoa a "generalization of dtoa.c to other IEEE and IEEE-like precisions [...]" DES -- Dag-Erling Smorgrav - des@ofug.org