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Re: Taking hypot(3) To The Edge

From Michael S <already5chosen@yahoo.com>
Newsgroups comp.arch
Subject Re: Taking hypot(3) To The Edge
Date 2026-10-14 22:45 +0300
Organization A noiseless patient Spider
Message-ID <20261014224516.00000da5@yahoo.com> (permalink)
References <119kaj9$npbg$1@dont-email.me> <119kd8g$opnp$1@dont-email.me> <119l4vl$t831$2@dont-email.me> <20261001141212.00002f20@yahoo.com> <1791927203-5857@newsgrouper.org>

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On Tue, 13 Oct 2026 21:33:23 GMT
MitchAlsup <user5857@newsgrouper.org.invalid> wrote:

> 
> For example, I have eXcel from 2003, and on AMD machines I get 80-bit
> precision (when real careful in eXcel math)--but those same programs 
> on Intel and Arm display 64-bit precision.
> 

Are you sure that you use exactly the same version of Excel on AMD
and Intel? Also, what OS do you have on each machine?

Also, how exactly do you detect that precision is higher than IEEE
binary64? By forcing mantisa to hold more than 53 bits (incl.hidden) or
by forcing exponent to hold more than 11 bits?

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Thread

Re: Taking hypot(3) To The Edge Michael S <already5chosen@yahoo.com> - 2026-10-01 14:12 +0300
  Re: Taking hypot(3) To The Edge David Brown <david.brown@hesbynett.no> - 2026-10-01 13:47 +0200
    Re: Taking hypot(3) To The Edge Terje Mathisen <terje.mathisen@tmsw.no> - 2026-10-02 20:35 +0200
      Re: Taking hypot(3) To The Edge BGB <cr88192@gmail.com> - 2026-10-02 17:13 -0500
        Re: Taking hypot(3) To The Edge Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-03 02:17 +0000
          Re: Taking hypot(3) To The Edge BGB <cr88192@gmail.com> - 2026-10-03 15:20 -0500
            Re: Taking hypot(3) To The Edge Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-03 21:46 +0000
              Re: Taking hypot(3) To The Edge BGB <cr88192@gmail.com> - 2026-10-03 20:35 -0500
                Re: Taking hypot(3) To The Edge Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-04 23:54 +0000
      Re: Taking hypot(3) To The Edge Michael S <already5chosen@yahoo.com> - 2026-10-03 21:06 +0300
        Re: Taking hypot(3) To The Edge Terje Mathisen <terje.mathisen@tmsw.no> - 2026-10-03 20:22 +0200
          Re: Taking hypot(3) To The Edge Michael S <already5chosen@yahoo.com> - 2026-10-03 22:01 +0300
            Re: Taking hypot(3) To The Edge Terje Mathisen <terje.mathisen@tmsw.no> - 2026-10-03 23:20 +0200
            Re: Taking hypot(3) To The Edge MitchAlsup <user5857@newsgrouper.org.invalid> - 2026-10-04 17:49 +0000
          Re: Taking hypot(3) To The Edge Thomas Koenig <tkoenig@netcologne.de> - 2026-10-03 19:47 +0000
  Re: Taking hypot(3) To The Edge MitchAlsup <user5857@newsgrouper.org.invalid> - 2026-10-13 21:33 +0000
    Re: Taking hypot(3) To The Edge Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-13 21:51 +0000
    Re: Taking hypot(3) To The Edge anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-10-13 21:54 +0000
    Re: Taking hypot(3) To The Edge Michael S <already5chosen@yahoo.com> - 2026-10-14 22:45 +0300
      Re: Taking hypot(3) To The Edge MitchAlsup <user5857@newsgrouper.org.invalid> - 2026-10-14 22:13 +0000
        Re: Taking hypot(3) To The Edge Michael S <already5chosen@yahoo.com> - 2026-10-15 22:03 +0300
          Re: Taking hypot(3) To The Edge MitchAlsup <user5857@newsgrouper.org.invalid> - 2026-10-15 19:19 +0000

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