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| NNTP-Posting-Date | Thu, 12 May 2011 22:12:02 -0500 |
| Message-ID | <4DCCA181.9030401@SPAM.comp-arch.net> (permalink) |
| Date | Thu, 12 May 2011 20:12:01 -0700 |
| From | "Andy \"Krazy\" Glew" <andy@SPAM.comp-arch.net> |
| Reply-To | andy@SPAM.comp-arch.net |
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| Subject | Re: Computer arithmetic problems worth exploring |
| References | <0fbd4179-1128-4ae0-94cf-91fcc25f6401@glegroupsg2000goo.googlegroups.com> <iqderu$k1$1@gosset.csi.cam.ac.uk> <4DCAED84.8000007@SPAM.comp-arch.net> <iqesrs$agv$1@gosset.csi.cam.ac.uk> |
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On 5/11/2011 1:51 PM, nmm1@cam.ac.uk wrote: > In article<4DCAED84.8000007@SPAM.comp-arch.net>, > Andy \"Krazy\" Glew<andy@SPAM.comp-arch.net> wrote: > 1/0 is undefined in any field, and always has been. Hence a NaN. > Most people would also map the infinity of unknown sign to a NaN, > but you could have another value if you preferred. > > > Anyway, my point wasn't that you SHOULD provide all of that, but > that the traditional arithmetic model is mathematically consistent, > and (bluntly) IEEE 754 isn't. "Traditional mathematical model"? I thought this wall all classified as non-standard analysis. Which was not mathematically formalized until the 20th century. Is that what you mean by "traditional"? And then I realized: you are from Cambridge. Home of Isaac Newton and infinitesimals.
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Re: Computer arithmetic problems worth exploring "Paul A. Clayton" <paaronclayton@gmail.com> - 2011-05-10 19:24 -0700
Re: Computer arithmetic problems worth exploring nmm1@cam.ac.uk - 2011-05-11 08:46 +0100
Re: Computer arithmetic problems worth exploring "Andy \"Krazy\" Glew" <andy@SPAM.comp-arch.net> - 2011-05-11 13:11 -0700
Re: Computer arithmetic problems worth exploring nmm1@cam.ac.uk - 2011-05-11 21:51 +0100
Re: Computer arithmetic problems worth exploring "Andy \"Krazy\" Glew" <andy@SPAM.comp-arch.net> - 2011-05-12 20:12 -0700
Re: Computer arithmetic problems worth exploring Quadibloc <jsavard@ecn.ab.ca> - 2011-05-12 20:53 -0700
Re: Computer arithmetic problems worth exploring Jason Riedy <jason@lovesgoodfood.com> - 2011-05-13 00:03 -0400
Re: Computer arithmetic problems worth exploring nmm1@cam.ac.uk - 2011-05-12 00:07 +0100
Re: Computer arithmetic problems worth exploring "Andy \"Krazy\" Glew" <andy@SPAM.comp-arch.net> - 2011-05-12 20:14 -0700
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