Date: Sat, 16 Dec 2017 08:54:06 -0800 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Bruce Evans <brde@optusnet.com.au> Cc: freebsd-numerics@freebsd.org Subject: Re: progress on powl. Message-ID: <20171216165406.GA18979@troutmask.apl.washington.edu> In-Reply-To: <20171216135205.D971@besplex.bde.org> References: <20171216013325.GA27344@troutmask.apl.washington.edu> <20171216135205.D971@besplex.bde.org>
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On Sat, Dec 16, 2017 at 03:08:52PM +1100, Bruce Evans wrote: > On Fri, 15 Dec 2017, Steve Kargl wrote: > > > As expect no one elase is working on powl, I have > > dusted off my work-in-progress that is now some > > 1+ year in the works. I've now got a sort of > > working version in very limited testing. > > ... > > I'm still slowing working out some thresholds and > > few other kinks. The biggest problem is that > > src/e_pow.c may be the worse commented code that > > I've had the pleasure to read. There are 3 polynomial > > approximations. One is easy to work. The other two > > are gaint mysteries at moment. > I spoke too soon. It seems that some of my bit twiddling has gone off the rails. :( -- Steve
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