Re: [computerphile] Why can't floating point do money?

From	Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups	comp.lang.c
Subject	Re: [computerphile] Why can't floating point do money?
Date	2017-11-23 13:47 +0000
Organization	A noiseless patient Spider
Message-ID	<878texrts2.fsf@bsb.me.uk> (permalink)
References	<c55dca02-2d15-4704-bc24-9b695e879327@googlegroups.com> <ov6hef02etp@news3.newsguy.com>

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"F. Russell" <fr@random.info> writes:

> On Wed, 22 Nov 2017 09:39:20 -0800, luser droog wrote:
>
>> https://www.youtube.com/watch?v=PZRI1IfStY0
>>
>
> It is incorrect to say that the digital floating point format
> cannot "do money."  The inability to "do money" applies only
> to the *binary* floating point format.

Also the term "do money" is too wide.  Financial calculations are often
done in binary floating point, but only when the required accuracy can
be met.  The most common cases are financial models (particularly
macroeconomic models) that work just fine with binary floating point.

<snip>
-- 
Ben.

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[computerphile] Why can't floating point do money? luser droog <luser.droog@gmail.com> - 2017-11-22 09:39 -0800
  Re: [computerphile] Why can't floating point do money? "F. Russell" <fr@random.info> - 2017-11-23 13:11 +0000
    Re: [computerphile] Why can't floating point do money? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-23 05:35 -0800
    Re: [computerphile] Why can't floating point do money? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-11-23 13:47 +0000
    Re: [computerphile] Why can't floating point do money? "F. Russell" <fr@random.info> - 2017-11-23 15:20 +0000
    Re: [computerphile] Why can't floating point do money? Robert Wessel <robertwessel2@yahoo.com> - 2017-11-24 00:53 -0600
      Re: [computerphile] Why can't floating point do money? supercat@casperkitty.com - 2017-11-24 14:16 -0800
        Re: [computerphile] Why can't floating point do money? Robert Wessel <robertwessel2@yahoo.com> - 2017-11-24 23:50 -0600
    Re: [computerphile] Why can't floating point do money? Noob <root@127.0.0.1> - 2017-11-24 09:44 +0100
      Re: [computerphile] Why can't floating point do money? Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-24 09:18 -0500
        Re: [computerphile] Why can't floating point do money? Noob <root@127.0.0.1> - 2017-11-29 11:50 +0100
          Re: Toy code for currency handling Noob <root@127.0.0.1> - 2017-11-29 16:13 +0100
            Re: Toy code for currency handling Noob <root@127.0.0.1> - 2017-11-29 16:53 +0100
            Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2017-11-29 10:42 -0600
            Re: Toy code for currency handling Keith Thompson <kst-u@mib.org> - 2017-11-29 09:25 -0800
              Re: Toy code for currency handling Noob <root@127.0.0.1> - 2017-11-29 19:38 +0100
                Re: Toy code for currency handling Keith Thompson <kst-u@mib.org> - 2017-11-29 11:03 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2017-11-29 19:14 +0000
                Re: Toy code for currency handling Keith Thompson <kst-u@mib.org> - 2017-11-29 11:31 -0800
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2017-12-01 00:04 -0600
                Re: Toy code for currency handling fr314159@gmail.com - 2017-12-01 12:41 -0800
                Re: Toy code for currency handling supercat@casperkitty.com - 2017-12-01 15:24 -0800
                Re: Toy code for currency handling Noob <root@127.0.0.1> - 2017-12-03 18:08 +0100
                Re: Toy code for currency handling fr314159@gmail.com - 2017-12-04 10:06 -0800
                Re: Toy code for currency handling jameskuyper@verizon.net - 2017-12-04 10:19 -0800
                Re: Toy code for currency handling fr314159@gmail.com - 2017-12-04 11:35 -0800
                Re: Toy code for currency handling Keith Thompson <kst-u@mib.org> - 2017-12-04 11:56 -0800
                Re: Toy code for currency handling Jerry Stuckle <jstucklex@attglobal.net> - 2017-12-04 15:01 -0500
                Re: Toy code for currency handling "Pascal J. Bourguignon" <pjb@informatimago.com> - 2017-12-05 07:14 +0100
                Re: Toy code for currency handling David Brown <david.brown@hesbynett.no> - 2017-12-05 09:18 +0100
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2017-12-05 11:31 +0000
                Re: Toy code for currency handling David Brown <david.brown@hesbynett.no> - 2017-12-05 14:13 +0100
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2017-12-05 14:39 +0000
                Re: Toy code for currency handling Melzzzzz <Melzzzzz@zzzzz.com> - 2017-12-05 15:00 +0000
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2017-12-05 15:19 +0000
                Re: Toy code for currency handling Melzzzzz <mel@zzzzz.com> - 2017-12-05 16:31 +0100
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2017-12-05 16:07 +0000
                Re: Toy code for currency handling scott@slp53.sl.home (Scott Lurndal) - 2017-12-05 16:14 +0000
                Re: Toy code for currency handling David Brown <david.brown@hesbynett.no> - 2017-12-05 17:28 +0100
                Re: Toy code for currency handling David Brown <david.brown@hesbynett.no> - 2017-12-05 16:25 +0100
                Re: Toy code for currency handling already5chosen@yahoo.com - 2017-12-05 08:33 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2017-12-05 16:42 +0000
                Re: Toy code for currency handling Keith Thompson <kst-u@mib.org> - 2017-12-05 09:39 -0800
                Re: Toy code for currency handling scott@slp53.sl.home (Scott Lurndal) - 2017-12-05 17:52 +0000
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2017-12-06 07:59 +1300
                Re: Toy code for currency handling Jerry Stuckle <jstucklex@attglobal.net> - 2017-12-05 08:38 -0500
                Re: Toy code for currency handling "James R. Kuyper" <jameskuyper@verizon.net> - 2017-12-04 15:16 -0500
                Re: Toy code for currency handling asetofsymbols@gmail.com - 2017-12-05 02:56 -0800
                Re: Toy code for currency handling Keith Thompson <kst-u@mib.org> - 2017-12-04 11:04 -0800
                Re: Toy code for currency handling David Brown <david.brown@hesbynett.no> - 2017-12-05 09:33 +0100
                Re: Toy code for currency handling Jerry Stuckle <jstucklex@attglobal.net> - 2017-12-04 14:56 -0500
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2017-12-04 20:44 -0600
          Re: [computerphile] Why can't floating point do money? Robert Wessel <robertwessel2@yahoo.com> - 2017-11-29 10:51 -0600
          Re: [computerphile] Why can't floating point do money? Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-30 16:18 -0500
            Re: [computerphile] Why can't floating point do money? scott@slp53.sl.home (Scott Lurndal) - 2017-11-30 22:13 +0000
      Re: [computerphile] Why can't floating point do money? Robert Wessel <robertwessel2@yahoo.com> - 2017-11-24 10:19 -0600
        Re: [computerphile] Why can't floating point do money? Spiros Bousbouras <spibou@gmail.com> - 2017-11-24 16:43 +0000
          Re: [computerphile] Why can't floating point do money? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-24 08:53 -0800
          Re: [computerphile] Why can't floating point do money? bert <bert.hutchings@btinternet.com> - 2017-11-24 08:57 -0800
        Re: [computerphile] Why can't floating point do money? bartc <bc@freeuk.com> - 2017-11-24 16:57 +0000
          Re: [computerphile] Why can't floating point do money? Robert Wessel <robertwessel2@yahoo.com> - 2017-11-24 23:35 -0600
            Re: [computerphile] Why can't floating point do money? Melzzzzz <Melzzzzz@zzzzz.com> - 2017-11-25 05:59 +0000
              Re: [computerphile] Why can't floating point do money? supercat@casperkitty.com - 2017-11-27 10:14 -0800
              Re: [computerphile] Why can't floating point do money? Robert Wessel <robertwessel2@yahoo.com> - 2017-11-30 23:56 -0600

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