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Groups > comp.lang.c > #141731

Re: A final word on casting.

From Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups comp.lang.c
Subject Re: A final word on casting.
Date 2019-03-06 08:36 -0800
Organization A noiseless patient Spider
Message-ID <86a7i8ufh6.fsf@mailhub.linuxsc.com> (permalink)
References (8 earlier) <3pAXD.199851$e%3.151775@fx42.iad> <q0oj0b$khc$1@dont-email.me> <86mumjau3t.fsf@mailhub.linuxsc.com> <q58l4p$q2g$1@dont-email.me> <exactly-20190228140659@ram.dialup.fu-berlin.de>

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ram@zedat.fu-berlin.de (Stefan Ram) writes:

> Supersedes: <exactly-20190228135433@ram.dialup.fu-berlin.de>
>
>   To represent a real number like 0.1, we must agree that
>   every binary representation represents a whole interval of
>   real values (usually an interval with more than one value).
>
>   To represent the real number 0.5, we can choose what seems
>   to be an "exact representation", but when that representation
>   is given to us, we /cannot/ reason that it represents the
>   real value 0.5 "exactly", [...]

I can.  But then I have the advantage of having received a pretty
good education in Numerical Analysis.

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Thread

Re: A final word on casting. Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-02-25 23:26 -0800
  Re: A final word on casting. "I Set My Girlfriend's Pantyhose on Fire" <cdalten@gmail.com> - 2019-02-26 03:12 -0800
  Re: A final word on casting. James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-02-26 05:41 -0800
    Re: A final word on casting. James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-02-26 19:00 -0800
      Re: A final word on casting. James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-02-27 06:37 -0800
  Re: A final word on casting. James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-02-28 07:45 -0500
    Re: A final word on casting. James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-02-28 08:20 -0500
    Re: A final word on casting. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-02-28 15:16 +0000
      Re: A final word on casting. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-03-01 01:16 +0000
        Re: A final word on casting. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-03-02 01:10 +0000
    Re: A final word on casting. Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-06 08:36 -0800
      Re: A final word on casting. Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-03-06 09:04 -0800
        Re: A final word on casting. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-03-21 11:19 +0000
    Re: A final word on casting. Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-06 09:33 -0800
      Re: A final word on casting. James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-03-06 11:19 -0800
        Re: A final word on casting. Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-23 10:49 -0700
          Re: A final word on casting. James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-03-25 12:06 -0700

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