From: Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: 387 page fault thing
Organization: Pin Eight Software  http://pineight.8m.com/
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References: <3900B453 DOT F41CC292 AT hotmail DOT com> <200004220935 DOT FAA18388 AT indy DOT delorie DOT com> <3901BE44 DOT F90DB80F AT hotmail DOT com>
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NNTP-Posting-Date: Mon, 24 Apr 2000 02:42:37 GMT
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Date: Mon, 24 Apr 2000 02:42:37 GMT
To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

On Sat, 22 Apr 2000 14:59:58 GMT, Andrew Hakman <hakmana AT hotmail DOT com>
wrote:

>Eli Zaretskii wrote:
>
>> One thing to try would be to not use FP math at all in the callback.
>> You could try replacing it with fixed-point computations; perhaps that
>> will make the problem go away.
>
>How would I convert 'double=double' to fixed point? Is there another type of
>variable that I should be using? I have thought of sending these values as 2
>integers, one being the left side of the decimal, and the other being the
>right side, but then reassembling (and splitting them initally) seems like it
>would be a pain in the @$$, but if that's what needs to be done, then that's
>what I'll do!

Not necessarily; look at the fixed-point math routines in the Allegro
sources.  Clue:  typedef int fixed;

-- 
Damian Yerrick
"I refuse to listen to those who refuse to listen to reason."
See the whole sig: http://www.rose-hulman.edu/~yerricde/sig.html

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