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Groups > comp.lang.c > #123218
| From | Ian Collins <ian-news@hotmail.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: High level programming in C |
| Date | 2017-11-22 10:25 +1300 |
| Message-ID | <f7jjugFqjosU4@mid.individual.net> (permalink) |
| References | (5 earlier) <ov1up1$9s7$1@dont-email.me> <FilTpSjMnY9wuvVjUbmHkfJSOYBy@bongo-ra.co> <ov20b7$mne$1@dont-email.me> <32GuZQNXldTHOywj47SXFUBHgOo1Y@bongo-ra.co> <79591dd95iha6j26ie089mlvpeoldadkia@4ax.com> |
On 11/22/2017 10:17 AM, Robert Wessel wrote: > On Tue, 21 Nov 2017 20:07:45 GMT, Spiros Bousbouras <spibou@gmail.com> > wrote: > >> On Tue, 21 Nov 2017 20:55:19 +0100 >> jacobnavia <jacob@jacob.remcomp.fr> wrote: >>> Le 21/11/2017 à 20:45, Spiros Bousbouras a écrit : >>>> On Tue, 21 Nov 2017 20:28:32 +0100 >>>> jacobnavia <jacob@jacob.remcomp.fr> wrote: >>>>> In another matter, I am implementing ARM64 128 bit maths. It is quite >>>>> difficult, since there aren't any 128 bit ops, except multiply, that >>>>> gives you the higher 64 bits. It is still very embryonary but I have >>>>> managed the four operations (division and modulous call assembler routines) >>>> >>>> If one wants 128 bit (or above) maths why wouldn't they use the GNU >>>> multiprecision library ? >>>> >>> >>> Because GNU multiple precision library is a multiple precision library >>> and my 128 bit maths are fixed, so MUCH faster than a multi precision >>> library. >> >> Are there applications where one wants 128 bit (integer ?) mathematics >> but not above ? > > > Computations involving currency. While 64-bits is sufficient in > almost all cases to *store* currency values, it's distressingly easy > to overflow 64-bit intermediate results. Especially if you ware dealing with Zimbabwe dollars! :) -- Ian.
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High level programming in C jacobnavia <jacob@jacob.remcomp.fr> - 2017-11-20 12:14 +0100
Re: High level programming in C David Brown <david.brown@hesbynett.no> - 2017-11-20 12:52 +0100
Re: High level programming in C Robert Wessel <robertwessel2@yahoo.com> - 2017-11-20 06:07 -0600
Re: High level programming in C David Brown <david.brown@hesbynett.no> - 2017-11-20 13:38 +0100
Re: High level programming in C jacobnavia <jacob@jacob.remcomp.fr> - 2017-11-20 14:23 +0100
Re: High level programming in C David Brown <david.brown@hesbynett.no> - 2017-11-20 16:56 +0100
Re: High level programming in C Spiros Bousbouras <spibou@gmail.com> - 2017-11-20 17:14 +0000
Re: High level programming in C Spiros Bousbouras <spibou@gmail.com> - 2017-11-20 17:21 +0000
Re: High level programming in C "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2017-11-20 22:45 +0800
Re: High level programming in C Ian Collins <ian-news@hotmail.com> - 2017-11-21 07:30 +1300
Re: High level programming in C gazelle@shell.xmission.com (Kenny McCormack) - 2017-11-20 18:32 +0000
Re: High level programming in C jameskuyper@verizon.net - 2017-11-20 11:05 -0800
Re: High level programming in C Öö Tiib <ootiib@hot.ee> - 2017-11-20 12:59 -0800
Re: High level programming in C BGB <cr88192@hotmail.com> - 2017-11-22 10:47 -0600
Re: High level programming in C fir <profesor.fir@gmail.com> - 2017-11-20 13:17 -0800
Re: High level programming in C Thiago Adams <thiago.adams@gmail.com> - 2017-11-21 03:26 -0800
Re: High level programming in C jacobnavia <jacob@jacob.remcomp.fr> - 2017-11-21 14:54 +0100
Re: High level programming in C scott@slp53.sl.home (Scott Lurndal) - 2017-11-21 14:51 +0000
Re: High level programming in C David Brown <david.brown@hesbynett.no> - 2017-11-21 16:43 +0100
Re: High level programming in C Thiago Adams <thiago.adams@gmail.com> - 2017-11-21 07:58 -0800
Re: High level programming in C jacobnavia <jacob@jacob.remcomp.fr> - 2017-11-21 17:35 +0100
Re: High level programming in C Spiros Bousbouras <spibou@gmail.com> - 2017-11-21 16:38 +0000
Re: High level programming in C Thiago Adams <thiago.adams@gmail.com> - 2017-11-21 08:47 -0800
Re: High level programming in C jacobnavia <jacob@jacob.remcomp.fr> - 2017-11-21 17:55 +0100
Re: High level programming in C Thiago Adams <thiago.adams@gmail.com> - 2017-11-21 09:06 -0800
Re: High level programming in C Thiago Adams <thiago.adams@gmail.com> - 2017-11-21 09:13 -0800
Re: High level programming in C Keith Thompson <kst-u@mib.org> - 2017-11-21 11:29 -0800
Re: High level programming in C supercat@casperkitty.com - 2017-11-21 11:59 -0800
Re: High level programming in C Keith Thompson <kst-u@mib.org> - 2017-11-21 12:52 -0800
Re: High level programming in C supercat@casperkitty.com - 2017-11-21 13:43 -0800
Re: High level programming in C Keith Thompson <kst-u@mib.org> - 2017-11-21 14:17 -0800
Re: High level programming in C supercat@casperkitty.com - 2017-11-21 15:00 -0800
Re: High level programming in C Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2017-11-21 15:17 -0700
Re: High level programming in C supercat@casperkitty.com - 2017-11-21 15:09 -0800
Re: High level programming in C jacobnavia <jacob@jacob.remcomp.fr> - 2017-11-22 00:55 +0100
Re: High level programming in C "James R. Kuyper" <jameskuyper@verizon.net> - 2017-11-21 18:58 -0500
Re: High level programming in C jacobnavia <jacob@jacob.remcomp.fr> - 2017-11-22 01:19 +0100
Re: High level programming in C Spiros Bousbouras <spibou@gmail.com> - 2017-11-22 01:47 +0000
Re: High level programming in C Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2017-11-21 21:48 -0700
Re: High level programming in C Spiros Bousbouras <spibou@gmail.com> - 2017-11-22 07:36 +0000
Re: High level programming in C "James R. Kuyper" <jameskuyper@verizon.net> - 2017-11-22 12:45 -0500
Re: High level programming in C supercat@casperkitty.com - 2017-11-22 14:00 -0800
Re: High level programming in C Keith Thompson <kst-u@mib.org> - 2017-11-22 14:25 -0800
Re: High level programming in C supercat@casperkitty.com - 2017-11-22 15:14 -0800
Re: High level programming in C Keith Thompson <kst-u@mib.org> - 2017-11-22 16:08 -0800
Re: High level programming in C supercat@casperkitty.com - 2017-11-23 16:42 -0800
Re: High level programming in C bartc <bc@freeuk.com> - 2017-11-24 01:37 +0000
Re: High level programming in C supercat@casperkitty.com - 2017-11-24 14:33 -0800
Re: High level programming in C Thiago Adams <thiago.adams@gmail.com> - 2017-11-21 16:20 -0800
Re: High level programming in C David Brown <david.brown@hesbynett.no> - 2017-11-22 10:39 +0100
Re: High level programming in C Thiago Adams <thiago.adams@gmail.com> - 2017-11-23 02:59 -0800
Re: High level programming in C David Brown <david.brown@hesbynett.no> - 2017-11-23 12:24 +0100
Re: High level programming in C Thiago Adams <thiago.adams@gmail.com> - 2017-11-23 04:49 -0800
Re: High level programming in C scott@slp53.sl.home (Scott Lurndal) - 2017-11-22 15:42 +0000
Re: High level programming in C Keith Thompson <kst-u@mib.org> - 2017-11-22 08:57 -0800
Re: High level programming in C Keith Thompson <kst-u@mib.org> - 2017-11-21 09:19 -0800
Re: High level programming in C Thiago Adams <thiago.adams@gmail.com> - 2017-11-21 09:28 -0800
Re: High level programming in C supercat@casperkitty.com - 2017-11-21 09:22 -0800
Re: High level programming in C scott@slp53.sl.home (Scott Lurndal) - 2017-11-21 16:29 +0000
Re: High level programming in C jacobnavia <jacob@jacob.remcomp.fr> - 2017-11-21 17:43 +0100
Re: High level programming in C jacobnavia <jacob@jacob.remcomp.fr> - 2017-11-21 17:40 +0100
Re: High level programming in C Thiago Adams <thiago.adams@gmail.com> - 2017-11-21 08:52 -0800
Re: High level programming in C Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-11-21 09:28 -0800
Re: High level programming in C Thiago Adams <thiago.adams@gmail.com> - 2017-11-21 09:34 -0800
Re: High level programming in C Robert Wessel <robertwessel2@yahoo.com> - 2017-11-21 11:37 -0600
Re: High level programming in C jacobnavia <jacob@jacob.remcomp.fr> - 2017-11-21 20:28 +0100
Re: High level programming in C Spiros Bousbouras <spibou@gmail.com> - 2017-11-21 19:45 +0000
Re: High level programming in C "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-21 11:51 -0800
Re: High level programming in C jacobnavia <jacob@jacob.remcomp.fr> - 2017-11-21 20:55 +0100
Re: High level programming in C Spiros Bousbouras <spibou@gmail.com> - 2017-11-21 20:07 +0000
Re: High level programming in C Ian Collins <ian-news@hotmail.com> - 2017-11-22 09:13 +1300
Re: High level programming in C scott@slp53.sl.home (Scott Lurndal) - 2017-11-22 15:38 +0000
Re: High level programming in C Robert Wessel <robertwessel2@yahoo.com> - 2017-11-21 15:17 -0600
Re: High level programming in C Ian Collins <ian-news@hotmail.com> - 2017-11-22 10:25 +1300
Re: High level programming in C Robert Wessel <robertwessel2@yahoo.com> - 2017-11-21 15:41 -0600
Re: High level programming in C gordonb.fqrzr@burditt.org (Gordon Burditt) - 2017-12-10 21:24 -0600
Re: High level programming in C David Kleinecke <dkleinecke@gmail.com> - 2017-12-10 20:03 -0800
Re: High level programming in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-12-11 17:49 +0000
Re: High level programming in C David Kleinecke <dkleinecke@gmail.com> - 2017-12-11 10:32 -0800
Re: High level programming in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-12-12 01:33 +0000
Re: High level programming in C David Kleinecke <dkleinecke@gmail.com> - 2017-12-11 18:34 -0800
Re: High level programming in C jacobnavia <jacob@jacob.remcomp.fr> - 2017-12-11 20:09 +0100
Re: High level programming in C Keith Thompson <kst-u@mib.org> - 2017-12-11 11:23 -0800
Re: High level programming in C David Brown <david.brown@hesbynett.no> - 2017-11-22 11:01 +0100
Re: High level programming in C antispam@math.uni.wroc.pl - 2017-11-21 20:11 +0000
Re: High level programming in C David Brown <david.brown@hesbynett.no> - 2017-11-22 10:58 +0100
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