From owner-freebsd-numerics@freebsd.org Thu Mar 23 21:12:01 2017 Return-Path: Delivered-To: freebsd-numerics@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 627AAD19486 for ; Thu, 23 Mar 2017 21:12:01 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.95.76.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "troutmask", Issuer "troutmask" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4942E1FF3 for ; Thu, 23 Mar 2017 21:12:01 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (localhost [127.0.0.1]) by troutmask.apl.washington.edu (8.15.2/8.15.2) with ESMTPS id v2NLBx1K026779 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 23 Mar 2017 14:11:59 -0700 (PDT) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.15.2/8.15.2/Submit) id v2NLBxSt026778 for freebsd-numerics@freebsd.org; Thu, 23 Mar 2017 14:11:59 -0700 (PDT) (envelope-from sgk) Date: Thu, 23 Mar 2017 14:11:59 -0700 From: Steve Kargl To: freebsd-numerics@freebsd.org Subject: Re: Bit twiddling question Message-ID: <20170323211159.GA26726@troutmask.apl.washington.edu> Reply-To: sgk@troutmask.apl.washington.edu MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.7.2 (2016-11-26) X-BeenThere: freebsd-numerics@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Discussions of high quality implementation of libm functions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Mar 2017 21:12:01 -0000 ----- Forwarded message from Steve Kargl ----- Date: Thu, 23 Mar 2017 13:52:25 -0700 From: Steve Kargl To: Bruce Evans Cc: freebsd-numerics@freebsd.org Subject: Re: Bit twiddling question User-Agent: Mutt/1.7.2 (2016-11-26) On Fri, Mar 10, 2017 at 05:46:34PM +1100, Bruce Evans wrote: (A large chuck removed) > > C11 doesn't have sincos*() or sind*() to make us more incomplete. > I've had a sincos*() implementation for a few years now. You've seen it, and were dissatisfied with it because I combined sin[fl] and cos[fl] kernels into sincos[kl] kernels. (deleted) ----- End forwarded message ----- Whoops. Didn't mean to broadcast this to freebsd-numerics lists as no Copyright statement is attached to code. Oh well. -- Steve 20161221 https://www.youtube.com/watch?v=IbCHE-hONow