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Groups > comp.lang.forth > #19113

Re: >FLOAT and the empty string

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Mark Wills wrote:
> On Jan 23, 12:42 am, "Ed" <inva...@nospam.com> wrote:
> >
> > That has left implementers free to do as they wished (assuming
> > they gave it any thought at all). The only problem is application
> > writers who make unwarranted assumptions.
> >
>
> Right. But re-winding slightly, what choices would there be, other
> than returning 0.0 or throwing an error?
>
> Surely it's no more complex than that?

By "throwing an error" I take it you mean return False (?)

The choices relate to what >FLOAT will do in the case of blanks or
empty string.  IIUC, David's initial preference was for blanks to
return 0.0 and True, and empty string to return False.  Others might
choose the reverse (which happens to be my preference).

My contention is that a portable app can readily accommodate both
since blanks or empty strings are rare inputs.

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Thread

>FLOAT and the empty string "David N. Williams" <williams@umich.edu> - 2013-01-10 19:09 -0500
  Re: >FLOAT and the empty string "Ed" <invalid@nospam.com> - 2013-01-11 13:32 +1100
  Re: >FLOAT and the empty string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-01-11 11:11 +0000
    Re: >FLOAT and the empty string "Ed" <invalid@nospam.com> - 2013-01-11 23:10 +1100
      Re: >FLOAT and the empty string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-01-23 16:21 +0000
        Re: >FLOAT and the empty string "Ed" <invalid@nospam.com> - 2013-01-25 13:35 +1100
          Re: >FLOAT and the empty string "Elizabeth D. Rather" <erather@forth.com> - 2013-01-25 21:33 +1300
            Re: >FLOAT and the empty string "Elizabeth D. Rather" <erather@forth.com> - 2013-01-25 21:41 +1300
            Re: >FLOAT and the empty string "Ed" <invalid@nospam.com> - 2013-01-28 22:39 +1100
              Re: >FLOAT and the empty string "Elizabeth D. Rather" <erather@forth.com> - 2013-01-28 10:36 -1000
                Re: >FLOAT and the empty string "Ed" <invalid@nospam.com> - 2013-01-29 11:11 +1100
                Re: >FLOAT and the empty string Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-01-29 03:19 -0600
                Re: >FLOAT and the empty string "Ed" <invalid@nospam.com> - 2013-01-30 11:03 +1100
  Re: >FLOAT and the empty string Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-01-11 05:39 -0600
    Re: >FLOAT and the empty string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-01-23 16:31 +0000
      Re: >FLOAT and the empty string Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-01-23 10:44 -0600
        Re: >FLOAT and the empty string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-01-23 17:21 +0000
          Re: >FLOAT and the empty string Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-01-23 11:50 -0600
            Re: >FLOAT and the empty string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-01-24 13:09 +0000
              Re: >FLOAT and the empty string Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-01-24 09:22 -0600
                Re: >FLOAT and the empty string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-01-24 16:16 +0000
          Re: >FLOAT and the empty string albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-01-24 03:45 +0000
            Re: >FLOAT and the empty string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-01-24 12:56 +0000
        Re: >FLOAT and the empty string Alex McDonald <blog@rivadpm.com> - 2013-01-23 16:45 -0800
          Re: >FLOAT and the empty string Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-01-24 03:43 -0600
            Re: >FLOAT and the empty string Bernd Paysan <bernd.paysan@gmx.de> - 2013-01-24 16:59 +0100
  Re: >FLOAT and the empty string mhx@iae.nl (Marcel Hendrix) - 2013-01-11 19:32 +0200
    Re: >FLOAT and the empty string "David N. Williams" <williams@umich.edu> - 2013-01-20 10:30 -0500
      Re: >FLOAT and the empty string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-01-21 16:51 +0000
      Re: >FLOAT and the empty string "Ed" <invalid@nospam.com> - 2013-01-23 11:42 +1100
        Re: >FLOAT and the empty string Mark Wills <forthfreak@gmail.com> - 2013-01-23 02:38 -0800
          Re: >FLOAT and the empty string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-01-23 15:14 +0000
          Re: >FLOAT and the empty string "Ed" <invalid@nospam.com> - 2013-01-25 14:11 +1100
            Re: >FLOAT and the empty string Mark Wills <forthfreak@gmail.com> - 2013-01-24 23:33 -0800
              Re: >FLOAT and the empty string Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-01-25 02:52 -0600
              Re: >FLOAT and the empty string "Ed" <invalid@nospam.com> - 2013-01-28 22:53 +1100

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