- Floating point exceptions

From: Treutwein Bernhard <"Treutwein>
Date: Thu, 2 Jun 2005 09:18:56 +0200

----boundary-LibPST-iamunique-2117009139_-_-
Content-type: text/plain

Hi Wojtek,

most of what I wanted to say has been said by
Bob & Andrew. But here is some pointer for
docu about IEEE floating point stuff:
http://www.gnu.org/software/gsl/manual/gsl-ref_39.html#SEC506

As far as I can see it would be necessary to change
HostMenu.CheckFpu & Kernel.InitFPU

regards

--
   Bernhard Treutwein
   Bernhard Treutwein(at)verwaltung uni-muenchen de
> -----Original Message-----
> From: blackbox{([at]})nowhere.xy> Behalf Of Wojtek Skulski
> Sent: Tuesday, May 31, 2005 10:32 PM
> To: BlackBox Mailing List
> Subject: [BlackBox] - Floating point exceptions
> 
> 
> Hi:
> 
>   does anybody know, or can point me to, a recipe how to 
> disable floating point exceptions? We are getting trapped by 
> an INEXACT f.p. exception thrown by an FPU in a vendor driver 
> module, that we cannot modify. BlackBox is handling this 
> exception, what means we cannot use the driver. If we could 
> ignore the xception rather than handle it, we could then use 
> the driver.
> 
> I do not see any obvious place to change the exception 
> handler behavior. Any hints will be most welcome.
> 
> Wojtek
> 
> --- BlackBox
> --- send subject HELP or UNSUBSCRIBE to blackbox{([at]})nowhere.xy> 
> 
--- BlackBox
--- send subject HELP or UNSUBSCRIBE to blackbox{([at]})nowhere.xy----boundary-LibPST-iamunique-2117009139_-_-
Content-type: application/rtf
Content-transfer-encoding: base64
Content-Disposition: attachment; filename="rtf-body.rtf"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----boundary-LibPST-iamunique-2117009139_-_---

Received on Thu Jun 02 2005 - 09:18:56 UTC