Date: Mon, 17 Aug 2009 16:13:19 -0400 From: David Schultz <das@FreeBSD.ORG> To: Peter Jeremy <peterjeremy@optushome.com.au> Cc: freebsd-arch@FreeBSD.ORG Subject: Re: C99 Complex Math Functions Message-ID: <20090817201319.GA22437@zim.MIT.EDU> In-Reply-To: <20090815015947.GA4682@server.vk2pj.dyndns.org> References: <20090815015947.GA4682@server.vk2pj.dyndns.org>
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On Sat, Aug 15, 2009, Peter Jeremy wrote: > Hi David, > > I've recently had a requirement for the C99 complex math functions. > I know you have been doing some work on implementing functions in > complex.h and wonder what (if any) plans you have for implementing > the rest of the C99 functions. Which ones do you need? They are on my todo list, but they're not a priority, and I'm swamped right now, so don't hold your breath! Steve Kargle and Bruce Evans also have some interest in this. Many of the functions can be fudged with some simple formulas that you can look up. The simple formulas work great in most cases, but often fail near asymptotes and for special cases (infinity, NaN, underflow, etc.)
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