From owner-freebsd-current Thu Oct 10 22:20: 7 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4149F37B401 for ; Thu, 10 Oct 2002 22:20:06 -0700 (PDT) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.208.78.105]) by mx1.FreeBSD.org (Postfix) with ESMTP id D595F43EAF for ; Thu, 10 Oct 2002 22:20:05 -0700 (PDT) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (localhost [127.0.0.1]) by troutmask.apl.washington.edu (8.12.6/8.12.5) with ESMTP id g9B5K24G073130; Thu, 10 Oct 2002 22:20:02 -0700 (PDT) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.12.6/8.12.6/Submit) id g9B5K19e073129; Thu, 10 Oct 2002 22:20:01 -0700 (PDT) Date: Thu, 10 Oct 2002 22:20:01 -0700 From: Steve Kargl To: Don Lewis Cc: gallatin@cs.duke.edu, kabaev@bellatlantic.net, mb@imp.ch, current@FreeBSD.ORG Subject: Re: HEADSUP: GCC 3.2.1 update is coming Message-ID: <20021011052001.GA73095@troutmask.apl.washington.edu> References: <20021010232253.GA68378@troutmask.apl.washington.edu> <200210110336.g9B3aJvU043765@gw.catspoiler.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200210110336.g9B3aJvU043765@gw.catspoiler.org> User-Agent: Mutt/1.4i Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, Oct 10, 2002 at 08:36:19PM -0700, Don Lewis wrote: > On 10 Oct, Steve Kargl wrote: > > On Thu, Oct 10, 2002 at 07:10:44PM -0400, Andrew Gallatin wrote: > >> > >> This is a terrible example in that its impossible to tell what > >> happened, but it sure shows that something is wrong. > >> > >> Is there a floating point regression suite that you can point me at? > >> That would be more useful for debugging. > >> > > > > ftp://ftp.netlib.org/fp/ucbtest.tgz > > > > This is Kahan and his students floating point testsuite. > > It normally check for conformance to IEEE-754. > > For something a bit older, see . > > Paranoia only checks things like rounding and epsilon. ucbtest tests corner cases for the standard intrinsics. ucbtest should be a much better test of libm than paranoia. -- Steve To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message