From: "Herring, Davis" <herring@lanl.gov>
To: "Clément Pit-Claudel" <cpitclaudel@gmail.com>,
"Alan Mackenzie" <acm@muc.de>
Cc: Pip Cet <pipcet@gmail.com>, "emacs-devel@gnu.org" <emacs-devel@gnu.org>
Subject: Re: Making 'eq' == 'eql' in bignum branch
Date: Sat, 1 Sep 2018 01:26:35 +0000 [thread overview]
Message-ID: <2a504dfa3daa4d5f8b2dd9186ad966f1@lanl.gov> (raw)
In-Reply-To: <43c2bd25-f0db-c405-4117-a4a88db299b2@gmail.com>
> The original formulation could have been better, but to me
> it didn't look like a rejection of expertise… rather, I took it
> as a statement that the word "number" gets assigned
> different meanings across fields.
You're definitely right that it could have been better: I now realize that I made a poor assumption. Re-quoting:
> Signed infinities are convenient symbols, but they're not numbers; I
> recall the horrified reaction of a mathematician when I told her about
> IEEE infinities
From context, I took this to mean that the mathematician in question objected to IEEE infinities _because +/-inf "aren't numbers"_, when her opinion could easily have been something rather more nuanced like "the utility of floating-point arithmetic is reduced by the inclusion of values that are not real numbers". There are legitimate issues with IEEE arithmetic, like the fact that infinities are produced despite the general rule that results are supposed to be rounded to the nearest representable value (which can't ever be infinity).
My apologies for presuming to know the reasoning of someone not even party to the conversation!
Davis
next prev parent reply other threads:[~2018-09-01 1:26 UTC|newest]
Thread overview: 281+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-21 14:15 Using the GNU GMP Library for Bignums in Emacs Siraphob (Ben) Phipathananunth
2018-04-21 14:34 ` Eli Zaretskii
2018-04-21 15:01 ` Siraphob (Ben) Phipathananunth
2018-04-21 15:23 ` Paul Eggert
2018-04-21 15:36 ` Eli Zaretskii
2018-04-21 15:40 ` Siraphob (Ben) Phipathananunth
2018-04-21 15:54 ` Eli Zaretskii
2018-04-21 16:08 ` Paul Eggert
2018-04-26 3:17 ` Tom Tromey
2018-04-26 3:33 ` Stefan Monnier
2018-04-27 15:56 ` Richard Stallman
2018-04-27 16:08 ` Stefan Monnier
2018-04-21 22:42 ` Richard Stallman
2018-04-22 2:48 ` dancol
2018-04-22 13:00 ` Philipp Stephani
2018-04-22 17:43 ` Paul Eggert
2018-04-22 18:04 ` Daniel Colascione
2018-04-22 18:34 ` Clément Pit-Claudel
2018-04-23 3:39 ` Richard Stallman
2018-04-22 8:00 ` Siraphob (Ben) Phipathananunth
2018-04-22 9:06 ` Paul Eggert
2018-04-23 5:19 ` Helmut Eller
2018-04-23 8:39 ` Andreas Schwab
2018-04-23 14:36 ` Paul Eggert
2018-04-23 19:22 ` Helmut Eller
2018-04-23 20:26 ` Paul Eggert
2018-04-23 3:36 ` Richard Stallman
2018-04-22 12:43 ` Helmut Eller
2018-04-22 17:47 ` Paul Eggert
2018-04-23 3:39 ` Richard Stallman
2018-04-23 4:41 ` Paul Eggert
2018-04-24 2:54 ` Richard Stallman
2018-04-24 2:54 ` Richard Stallman
2018-04-24 4:35 ` Paul Eggert
2018-04-24 5:45 ` Helmut Eller
2018-06-03 23:44 ` Jefferson Carpenter
2018-04-25 1:05 ` Richard Stallman
2018-04-25 1:19 ` Paul Eggert
2018-04-25 22:40 ` Richard Stallman
2018-04-25 23:29 ` Paul Eggert
2018-04-30 3:07 ` Richard Stallman
2018-04-30 5:00 ` Michael Welsh Duggan
2018-04-30 12:34 ` Stefan Monnier
2018-05-01 3:01 ` Richard Stallman
2018-04-30 7:04 ` Paul Eggert
2018-05-01 3:01 ` Richard Stallman
2018-05-01 21:45 ` Paul Eggert
2018-05-03 3:34 ` Richard Stallman
2018-05-03 5:53 ` Paul Eggert
2018-05-03 6:26 ` Helmut Eller
2018-05-03 17:49 ` Eli Zaretskii
2018-05-03 18:26 ` Paul Eggert
2018-05-04 4:26 ` Richard Stallman
2018-05-05 5:03 ` Ken Raeburn
2018-05-06 3:12 ` Richard Stallman
2018-05-07 17:24 ` Ken Raeburn
2018-05-08 1:55 ` Richard Stallman
2018-05-07 18:40 ` Andreas Schwab
2018-05-03 18:51 ` Helmut Eller
[not found] ` <83sh78o6af.fsf@gnu.org>
2018-05-03 20:30 ` Helmut Eller
2018-05-03 21:48 ` Paul Eggert
2018-05-04 4:22 ` Richard Stallman
2018-04-23 3:03 ` Stefan Monnier
2018-07-05 21:29 ` Tom Tromey
2018-07-05 21:53 ` John Wiegley
2018-07-06 20:43 ` Tom Tromey
2018-07-06 21:00 ` Paul Eggert
2018-07-07 4:27 ` Tom Tromey
2018-07-07 4:53 ` Paul Eggert
2018-07-07 6:20 ` Tom Tromey
2018-07-07 6:38 ` Paul Eggert
2018-07-09 5:37 ` Tom Tromey
2018-07-09 16:22 ` Paul Eggert
2018-07-09 22:56 ` Tom Tromey
2018-07-09 23:02 ` Paul Eggert
2018-07-09 23:13 ` Tom Tromey
2018-07-10 4:01 ` Tom Tromey
2018-07-10 13:46 ` Tom Tromey
2018-07-08 15:59 ` Tom Tromey
2018-07-09 5:43 ` Tom Tromey
2018-07-10 4:10 ` Stefan Monnier
2018-07-07 23:43 ` Richard Stallman
2018-07-08 4:58 ` Paul Eggert
2018-07-08 22:55 ` Richard Stallman
2018-07-08 5:01 ` Tom Tromey
2018-07-08 22:55 ` Richard Stallman
2018-07-09 5:39 ` Tom Tromey
2018-07-09 20:15 ` Stefan Monnier
2018-07-09 23:25 ` Paul Eggert
2018-07-10 3:41 ` Stefan Monnier
2018-07-10 5:32 ` Helmut Eller
2018-07-10 13:54 ` Stefan Monnier
2018-07-10 16:01 ` Paul Eggert
2018-07-10 16:48 ` Helmut Eller
2018-07-10 17:45 ` Paul Eggert
2018-07-10 19:14 ` Helmut Eller
2018-07-11 1:31 ` Stefan Monnier
2018-07-11 5:59 ` Helmut Eller
2018-07-11 14:23 ` Stefan Monnier
2018-07-11 2:04 ` Tom Tromey
2018-07-11 2:36 ` Paul Eggert
2018-07-10 20:33 ` Stefan Monnier
2018-07-11 1:52 ` Tom Tromey
2018-07-11 2:35 ` Paul Eggert
2018-07-11 3:16 ` Stefan Monnier
2018-07-11 3:30 ` Paul Eggert
2018-07-11 3:42 ` Stefan Monnier
2018-07-11 22:48 ` Richard Stallman
2018-07-12 4:51 ` Tom Tromey
2018-07-12 23:35 ` Richard Stallman
2018-07-15 15:02 ` Stefan Monnier
2018-07-18 10:20 ` Paul Eggert
2018-07-18 13:17 ` Stefan Monnier
2018-07-27 21:14 ` Making 'eq' == 'eql' in bignum branch Paul Eggert
2018-07-28 14:26 ` Stefan Monnier
2018-07-29 3:34 ` Paul Eggert
2018-07-29 4:09 ` Stefan Monnier
2018-07-29 14:35 ` Eli Zaretskii
2018-07-30 17:07 ` Stefan Monnier
2018-07-30 18:49 ` Eli Zaretskii
2018-07-30 20:10 ` Stefan Monnier
2018-07-30 21:58 ` Paul Eggert
2018-07-31 2:38 ` Eli Zaretskii
2018-07-31 7:10 ` Paul Eggert
2018-07-31 16:12 ` Eli Zaretskii
2018-07-31 22:44 ` Paul Eggert
2018-08-01 5:51 ` Eli Zaretskii
2018-08-01 6:43 ` Paul Eggert
2018-08-01 8:53 ` Eli Zaretskii
2018-08-03 7:40 ` Paul Eggert
2018-08-03 7:55 ` Eli Zaretskii
2018-08-10 11:12 ` Pip Cet
2018-08-10 15:15 ` Stefan Monnier
2018-08-10 15:43 ` Pip Cet
2018-08-10 15:55 ` Stefan Monnier
2018-08-10 16:52 ` John Yates
2018-08-10 19:45 ` Eli Zaretskii
2018-08-10 20:48 ` Paul Eggert
2018-08-10 7:05 ` Elias Mårtenson
2018-08-10 8:02 ` Paul Eggert
[not found] ` <<83d0v4p1si.fsf@gnu.org>
2018-07-31 15:08 ` Drew Adams
2018-07-31 16:24 ` Eli Zaretskii
2018-07-31 22:21 ` Paul Eggert
2018-08-20 0:04 ` Stefan Monnier
2018-08-20 1:33 ` Paul Eggert
2018-08-20 15:20 ` Stefan Monnier
2018-08-20 6:35 ` Pip Cet
2018-08-20 7:05 ` Paul Eggert
2018-08-20 7:19 ` Pip Cet
2018-08-20 7:27 ` Paul Eggert
2018-08-20 8:49 ` Andy Moreton
2018-08-20 16:03 ` Paul Eggert
2018-08-20 16:41 ` Andy Moreton
2018-08-20 16:51 ` Paul Eggert
2018-08-20 16:58 ` Andy Moreton
2018-08-20 19:50 ` Pip Cet
2018-08-20 21:54 ` Andy Moreton
2018-08-21 3:38 ` Richard Stallman
2018-08-20 17:23 ` Eli Zaretskii
2018-08-20 17:35 ` Paul Eggert
2018-08-20 15:13 ` Eli Zaretskii
2018-08-20 15:26 ` Stefan Monnier
2018-08-20 16:19 ` Eli Zaretskii
2018-08-21 15:01 ` Robert Pluim
2018-08-21 19:09 ` Robert Pluim
2018-08-21 19:35 ` Paul Eggert
2018-08-22 8:26 ` Lars Ingebrigtsen
2018-08-22 13:22 ` Herring, Davis
2018-08-22 13:28 ` Lars Ingebrigtsen
2018-08-22 13:55 ` Paul Eggert
2018-08-22 20:01 ` Stefan Monnier
2018-08-23 8:13 ` Robert Pluim
2018-08-23 13:45 ` Eli Zaretskii
2018-08-23 14:48 ` Robert Pluim
2018-08-23 18:43 ` Stefan Monnier
2018-08-24 9:51 ` Robert Pluim
2018-08-25 17:59 ` Stefan Monnier
2018-08-20 16:01 ` Paul Eggert
2018-08-20 16:26 ` Eli Zaretskii
2018-08-21 3:37 ` Richard Stallman
2018-08-20 15:12 ` Eli Zaretskii
2018-08-20 15:26 ` Lars Ingebrigtsen
2018-08-20 16:18 ` Eli Zaretskii
2018-08-22 19:59 ` Stefan Monnier
2018-08-21 3:38 ` Richard Stallman
2018-08-25 23:27 ` Paul Eggert
2018-08-26 12:45 ` Tramp and fixnum (was: Making 'eq' == 'eql' in bignum branch) Michael Albinus
2018-08-26 15:34 ` Paul Eggert
2018-08-26 16:06 ` Eli Zaretskii
2018-08-26 16:44 ` Tramp and fixnum Michael Albinus
2018-08-28 4:47 ` Tramp and fixnum (was: Making 'eq' == 'eql' in bignum branch) Paul Eggert
2018-08-26 16:49 ` Tramp and fixnum Michael Albinus
2018-08-28 4:48 ` Paul Eggert
2018-08-28 11:50 ` Michael Albinus
2018-08-28 14:33 ` Michael Albinus
2018-08-28 15:18 ` Paul Eggert
2018-08-29 8:09 ` Michael Albinus
2018-08-26 16:34 ` Making 'eq' == 'eql' in bignum branch Tom Tromey
2018-08-26 16:59 ` Stefan Monnier
2018-08-26 20:19 ` Alan Mackenzie
2018-08-26 20:31 ` Stefan Monnier
2018-08-27 2:31 ` Eli Zaretskii
2018-08-27 4:45 ` Stefan Monnier
2018-08-27 5:10 ` Paul Eggert
2018-08-27 14:59 ` Eli Zaretskii
2018-08-27 15:18 ` Stefan Monnier
2018-08-27 15:37 ` Eli Zaretskii
2018-08-27 15:47 ` Stefan Monnier
2018-08-27 18:57 ` Paul Eggert
2018-08-26 20:45 ` Richard Stallman
2018-08-26 22:10 ` Clément Pit-Claudel
2018-08-27 0:23 ` Paul Eggert
2018-08-27 22:50 ` Richard Stallman
2018-08-28 1:44 ` Paul Eggert
2018-08-28 14:12 ` Tom Tromey
2018-08-28 21:30 ` Richard Stallman
2018-08-28 22:03 ` Clément Pit-Claudel
2018-08-29 22:10 ` Richard Stallman
2018-08-28 18:03 ` Clément Pit-Claudel
2018-08-29 3:53 ` Stefan Monnier
2018-08-29 18:49 ` Clément Pit-Claudel
2018-08-28 1:33 ` Lars Ingebrigtsen
2018-08-28 2:25 ` Pip Cet
2018-08-28 3:45 ` Paul Eggert
2018-08-28 7:34 ` Ken Raeburn
2018-08-28 9:11 ` Helmut Eller
2018-08-28 12:15 ` Stefan Monnier
2018-08-28 18:00 ` Clément Pit-Claudel
2018-08-28 22:57 ` Pip Cet
2018-08-29 3:42 ` Herring, Davis
2018-08-29 5:40 ` Helmut Eller
2018-08-29 13:15 ` Pip Cet
2018-08-31 19:59 ` Alan Mackenzie
2018-08-31 20:30 ` Clément Pit-Claudel
2018-08-31 21:58 ` Alan Mackenzie
2018-09-01 1:26 ` Herring, Davis [this message]
2018-08-31 21:15 ` Stefan Monnier
2018-09-01 1:05 ` Herring, Davis
2018-09-02 10:57 ` Alan Mackenzie
2018-09-04 6:14 ` Herring, Davis
2018-09-01 4:47 ` Clément Pit-Claudel
2018-08-29 3:22 ` Elias Mårtenson
2018-08-29 18:56 ` Clément Pit-Claudel
2018-08-29 19:30 ` Stefan Monnier
2018-08-31 0:09 ` Stefan Monnier
2018-09-01 2:32 ` Richard Stallman
2018-08-31 16:41 ` Paul Eggert
2018-08-28 21:25 ` Richard Stallman
2018-08-30 19:13 ` Johan Bockgård
2018-08-30 21:14 ` Clément Pit-Claudel
2018-08-30 21:35 ` Tom Tromey
2018-08-30 21:56 ` Clément Pit-Claudel
2018-08-20 15:37 ` Stefan Monnier
2018-08-20 16:23 ` Eli Zaretskii
2018-08-20 16:12 ` Paul Eggert
2018-08-20 17:21 ` Helmut Eller
2018-08-20 14:02 ` Stefan Monnier
2018-07-18 15:55 ` Using the GNU GMP Library for Bignums in Emacs Eli Zaretskii
2018-07-18 21:42 ` Paul Eggert
2018-07-22 12:06 ` Ken Raeburn
2018-07-22 16:44 ` Paul Eggert
2018-08-01 7:57 ` Paul Eggert
2018-08-01 11:59 ` Eli Zaretskii
2018-08-02 2:06 ` Paul Eggert
2018-08-02 13:49 ` Eli Zaretskii
2018-07-22 19:57 ` Achim Gratz
2018-04-21 16:46 ` Markus Triska
2018-04-21 17:09 ` Eli Zaretskii
2018-04-21 17:27 ` Markus Triska
2018-04-21 18:37 ` Paul Eggert
2018-04-21 22:42 ` Richard Stallman
2018-04-22 2:43 ` Eli Zaretskii
2018-04-23 3:34 ` Richard Stallman
2018-04-23 4:21 ` Paul Eggert
2018-04-23 13:13 ` Stefan Monnier
2018-04-24 2:54 ` Richard Stallman
2018-04-24 4:34 ` Paul Eggert
2018-04-25 1:05 ` Richard Stallman
2018-04-23 15:18 ` Eli Zaretskii
2018-04-24 18:56 ` Emanuele Santoro
2018-04-26 15:52 ` Glenn Morris
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