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From: Paul Eggert <eggert@cs.ucla.edu>
To: Andy Moreton <andrewjmoreton@gmail.com>, emacs-devel@gnu.org
Subject: Re: Making 'eq' == 'eql' in bignum branch
Date: Mon, 20 Aug 2018 09:03:17 -0700	[thread overview]
Message-ID: <d6506308-bc32-5555-17da-abc1e86441a0@cs.ucla.edu> (raw)
In-Reply-To: <861sato21d.fsf@gmail.com>

Andy Moreton wrote:

> There will always be a performance diffrence between fixnum and bignum
> values, and it may be useful for performance tuning to have a simple way
> to discover where that boundary lies.

Performance nerds can use 'most-positive-fixnum' and 'most-negative-fixnum' for 
that sort of thing. These constants have been there for some time and are not 
going away. My objection is to 'bignump' and 'fixnump', which are no more 
necessary as primitives than 'negativep' would be.

> These are used in the tests to ensure that implementation is correct,
> and that values in fixnum range are always represented as fixnums, not
> bignums. How do you propose to test that without these predicates ?

Tests can use 'most-positive-fixnum' and 'most-negative-fixnum', constants that 
tests need to use anyway in order to generate values like (1+ 
most-positive-fixnum). So they can survive quite well without 'bignump' and 
'fixnump' as primitives.



  reply	other threads:[~2018-08-20 16:03 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  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
2018-04-24  2:54               ` 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 [this message]
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
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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