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Article #2734Re: Any ideas on fixed point addition?
From: C.E. Thompson
Date: Tue, 15 Sep 1992 22:19
Date: Tue, 15 Sep 1992 22:19
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In article <1992Sep15.145606.21328@Princeton.EDU>, tvz@zandtwerk.Princeton.EDU (Timothy Van Zandt) writes: |> |> occasional rounding errors. E.g., using the method given above, |> one gets: |> |> 1 + 2 = 3.0 |> |> 1.05 + 2.05 = 3.1 |> |> 8.10 + 3.05 = 11.15001 |> |> |> This last example, due to rounding errors inside TeX when converting |> between sp and pt, may vary from system to system. It certainly shouldn't: TeX's (visible) arithemtic is portable and should give the same results in all implementations. (There are some potential exceptions, but they involve arithmetic overflow, which isn't involved here.) Chris Thompson Cambridge University Computing Service JANET: cet1@uk.ac.cam.phx Internet: cet1@phx.cam.ac.uk
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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!pavo.csi.cam.ac.uk!camcus!cet1 From: cet1@cus.cam.ac.uk (C.E. Thompson) Newsgroups: comp.text.tex Subject: Re: Any ideas on fixed point addition? Message-ID: <1992Sep15.221949.22190@infodev.cam.ac.uk> Date: 15 Sep 92 22:19:49 GMT References: <1992Sep14.220128.16318@Princeton.EDU> <15SEP199203465090@reg.triumf.ca> <1992Sep15.145606.21328@Princeton.EDU> Sender: news@infodev.cam.ac.uk (USENET news) Organization: U of Cambridge, England Lines: 25 Nntp-Posting-Host: grus.cus.cam.ac.uk