Re: Pentium 1.8Ghz / Windows 2000 / Delphi 6 problem

From: Joe Smith (joesmith323_at_hotmail.com)
Date: 10/27/04 

Date: Wed, 27 Oct 2004 01:13:50 GMT

On Tue, 26 Oct 2004 04:16:11 +0200, "Frank de Groot"
<franciad@online.no> wrote:

>"Joe Smith" <joesmith323@hotmail.com> wrote in message
>>
>> Any solutions?
>
>
>Some DLL perhaps sets the FPU control word wrong, like an OpenGL DLL.
>
>
Thanks.

I had never had to deal with the FPU Control word before.

It turns out that something IS resetting the control word to do just
double precision rather than extended precision calculations. That
something is probably the Novell logins on the two machines that are
running Windows 2000.

Relevant Pages

  • Re: Divide by 0 - exception thrown?
    ... do not change the FPU control word and forget to change it back (I am ... to confirm the control word is as it should be). ... far, due to lack of information, I can only *assume* that if other platforms ... use FPUs that follow the IEEE standard, which supports NaNs, that the ...
    (microsoft.public.vc.language)
  • Re: Pentium 1.8Ghz / Windows 2000 / Delphi 6 problem
    ... >>What harm does setting the control word for extended calculations do ... changing the FPU control word and not restoring it is ... there are many cases where DLL's that your app is using may have a flaw ...
    (comp.lang.pascal.delphi.misc)
  • Re: Divide by 0 - exception thrown?
    ... response stating that crashes only occurred after the printer was ... think it is more than clear this is the cause of those crashes. ... It also makes COMPLETE sense that the FPU control word is stored within the ...
    (microsoft.public.vc.language)
  • Re: Pentium 1.8Ghz / Windows 2000 / Delphi 6 problem
    ... >I do that too after having had terrible problems with the MS OpenGL DLL that ... >misbehaves like that. ... uses too many different values of the control word it adversely ...
    (comp.lang.pascal.delphi.misc)