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Groups > comp.lang.forth > #57948
| From | "HAA" <someone@microsoft.com> |
|---|---|
| Newsgroups | comp.lang.forth |
| Subject | Re: mixed double and single signed division |
| Date | 2017-04-24 12:59 +1000 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <odjpmd$1nad$1@gioia.aioe.org> (permalink) |
| References | <bbcfd72a-4597-4839-aba0-3d4b98009995@googlegroups.com><odh5gb$1j9o$1@gioia.aioe.org><f329796d-80db-46d1-b906-280f0d128036@googlegroups.com><raKdnb7em9WBpGDFnZ2dnUU7-LXNnZ2d@supernews.com><odjigo$18j3$1@gioia.aioe.org> <aYmdndPdrNkU0mDFnZ2dnUU7-YXNnZ2d@supernews.com> |
Elizabeth D. Rather wrote: > On 4/23/17 2:56 PM, HAA wrote: > > Elizabeth D. Rather wrote: > >> On 4/23/17 3:55 AM, krishna.myneni@ccreweb.org wrote: > >>> On Saturday, April 22, 2017 at 10:02:38 PM UTC-5, HAA wrote: > >>> ... > >>>> 'Starting Forth' was polyForth where all the MOD words were unsigned. My guess is > >>>> as there was no equivalent of FM/MOD or SM/REM for users to NIP, they provided M/ . > >>> > >>> Yes, Starting Forth has UM/MOD but no signed equivalent. > >> > >> That's because no one suggested any likely application scenarios that > >> benefit from or require a signed M/MOD. Most of the time when you > >> dealing with a MOD you're doing something inherently unsigned. > >> > >> Cheers, > >> Elizabeth > > > > Hard to believe you've never encountered situations involving a negative > > dividend, positive divisor, requiring a positive mod. > > Which ones have you encountered in your work? > > > That was the impetus behind the Forth-83 floored-division sweep. It's > > just that they went overboard with the idea and ignored realities such as > > conventional and hardware division. > > Yes, they were all theory-based. > > Cheers, > Elizabeth Convert number to engineering notation. exp' = new exponent, mod = #places to shift decimal point. : >eng ( exp -- mod exp' ) s>d 3 fm/mod 3 * ; : test -10 10 do cr i 4 .r i >eng 4 .r 4 .r -1 +loop ; test 10 9 1 9 9 0 8 6 2 7 6 1 6 6 0 5 3 2 4 3 1 3 3 0 2 0 2 1 0 1 0 0 0 -1 -3 2 -2 -3 1 -3 -3 0 -4 -6 2 -5 -6 1 -6 -6 0 -7 -9 2 -8 -9 1 -9 -9 0 -10 -12 2 ok
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mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-22 08:21 -0700
Re: mixed double and single signed division NN <november.nihal@gmail.com> - 2017-04-22 09:14 -0700
Re: mixed double and single signed division NN <november.nihal@gmail.com> - 2017-04-22 09:22 -0700
Re: mixed double and single signed division Coos Haak <htrofhc@gmail.com> - 2017-04-22 23:31 +0200
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-23 06:44 -0700
Re: mixed double and single signed division hughaguilar96@gmail.com - 2017-04-23 13:24 -0700
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-23 06:41 -0700
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-23 13:29 -0700
Re: mixed double and single signed division Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-22 11:40 -0500
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-23 06:52 -0700
Re: mixed double and single signed division "HAA" <someone@microsoft.com> - 2017-04-23 13:02 +1000
Re: mixed double and single signed division "Elizabeth D. Rather" <erather@forth.com> - 2017-04-22 17:58 -1000
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-23 13:36 -0700
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-23 16:33 -0700
Re: mixed double and single signed division anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-24 13:23 +0000
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-24 18:49 -0700
Re: mixed double and single signed division anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-24 13:12 +0000
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-24 18:35 -0700
Re: mixed double and single signed division "Elizabeth D. Rather" <erather@forth.com> - 2017-04-24 15:52 -1000
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-25 02:18 -0700
Re: mixed double and single signed division Paul Rubin <no.email@nospam.invalid> - 2017-04-25 02:25 -0700
Re: mixed double and single signed division anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-25 11:30 +0000
Re: mixed double and single signed division "Elizabeth D. Rather" <erather@forth.com> - 2017-04-25 08:08 -1000
Re: mixed double and single signed division anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-26 14:48 +0000
Re: mixed double and single signed division anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-25 08:40 +0000
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-25 02:25 -0700
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-25 03:00 -0700
Re: mixed double and single signed division anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-25 11:37 +0000
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-25 05:27 -0700
Re: mixed double and single signed division anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-25 13:34 +0000
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-25 15:29 -0700
Re: mixed double and single signed division "HAA" <someone@microsoft.com> - 2017-04-27 14:02 +1000
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-27 16:00 -0700
Re: mixed double and single signed division "Elizabeth D. Rather" <erather@forth.com> - 2017-04-27 19:20 -1000
Re: mixed double and single signed division "HAA" <someone@microsoft.com> - 2017-04-28 22:41 +1000
Re: mixed double and single signed division Coos Haak <htrofhc@gmail.com> - 2017-04-25 15:32 +0200
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-25 15:22 -0700
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-23 06:55 -0700
Re: mixed double and single signed division "Elizabeth D. Rather" <erather@forth.com> - 2017-04-23 13:30 -1000
Re: mixed double and single signed division krishna.myneni@ccreweb.org - 2017-04-23 16:45 -0700
Re: mixed double and single signed division "HAA" <someone@microsoft.com> - 2017-04-24 10:56 +1000
Re: mixed double and single signed division "Elizabeth D. Rather" <erather@forth.com> - 2017-04-23 15:06 -1000
Re: mixed double and single signed division hughaguilar96@gmail.com - 2017-04-23 19:10 -0700
Re: mixed double and single signed division Paul Rubin <no.email@nospam.invalid> - 2017-04-23 19:12 -0700
Re: mixed double and single signed division "Elizabeth D. Rather" <erather@forth.com> - 2017-04-23 16:31 -1000
Re: mixed double and single signed division hughaguilar96@gmail.com - 2017-04-23 21:17 -0700
Re: mixed double and single signed division Paul Rubin <no.email@nospam.invalid> - 2017-04-23 21:47 -0700
Re: mixed double and single signed division hughaguilar96@gmail.com - 2017-04-23 22:58 -0700
Re: mixed double and single signed division hughaguilar96@gmail.com - 2017-04-23 23:22 -0700
Re: mixed double and single signed division Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-24 04:46 -0500
Re: mixed double and single signed division "HAA" <someone@microsoft.com> - 2017-04-24 12:59 +1000
Re: mixed double and single signed division "Elizabeth D. Rather" <erather@forth.com> - 2017-04-23 18:03 -1000
Re: mixed double and single signed division hughaguilar96@gmail.com - 2017-04-23 21:22 -0700
Re: mixed double and single signed division "HAA" <someone@microsoft.com> - 2017-04-25 12:53 +1000
Re: mixed double and single signed division "Elizabeth D. Rather" <erather@forth.com> - 2017-04-24 21:55 -1000
Re: mixed double and single signed division "HAA" <someone@microsoft.com> - 2017-04-25 20:00 +1000
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