In article <HIkFj.35322$J41.16622@[EMAIL PROTECTED]
>,
Larry Webber <thecoots@[EMAIL PROTECTED]
> wrote:
>On Sat, 22 Mar 2008 19:28:34 -0700, Bruce McFarling wrote:
>
>> On Mar 22, 7:57 pm, Larry Webber <theco...@[EMAIL PROTECTED]
> wrote:
>>> I am using both gforth and an alpha release of vfxlin forth. What is
>>> the recommended way of writing floating point values to a file? For
>>> writing integer values there are the "pictured number conversion"
>>> words. What is the recommended ****table way to do this with gforth and
>>> vfxlin?
>>
>> Not because I know the answer, but because I'm interested in hearing
it:
>>
>> (1) Are you asking about writing a text string representing the
floating
>> point value for later display?
>>
>> (2) Or are you asking about writing a floating point value in binary
>> form for later retrieval and computation?
>
>Bruce,
>
>The latter. The need is to write floating point values to a file. The
>data will later be read by a mathematical program which will both plot
>the values and perform certain numerical analysis on the data.
I learned the hard way that, unless performance and disk capacity
are absolutely critical, to use human readable form.
(Absolutely critical is restricted nowadays to cut-throat competition
graphic games, and a few other areas.)
>
>A friend was able to "get under the hood" of gforth and figure out how to
>vector the output to a file but we would like a more straight forward
>method which is implementation neutral. I don't see a straightforward way
>of doing this presently.
Binary floating point representation are never "implementation neutral".
You may be lucky, e.g. if both sides use IEEE f.p.
>
>Thanks,
>
>Larry
Groetjes Albert
--
--
Albert van der Horst, UTRECHT,THE NETHERLANDS
Economic growth -- like all pyramid schemes -- ultimately falters.
albert@[EMAIL PROTECTED]
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