Hello guys:

   Firstly, thanks for all reply.
   I am sure the source package of flightgear and simgear both are v2.0,and I 
have download the latest plib,openAL,OSG and so on.
   By now, I have to fix this by return a bool value.
   I will try to find other way.

   Thanks!
   wlbg
   I  



------------------ 原始邮件 ------------------
>From: James Turner <zakal...@mac.com>
>Reply-To: FlightGear developers 
>discussions<flightgear-devel@lists.sourceforge.net>
>To: FlightGear developers discussions <flightgear-devel@lists.sourceforge.net>
>Subject: Re: [Flightgear-devel] Microsoft C++ exception: FP_Inactive
>Date: Tue, 16 Mar 2010 09:56:57 +0000
>

On 16 Mar 2010, at 08:43, Frederic Bouvier wrote:

> Durk use exceptions to return errors. FP means Flight Plan, not Floating 
> Point. That's "normal" program execution, but it's really annoying when you 
> want to debug because all these exceptions are a performance killer for the 
> debugger, and it is not possible to hide the "First chance exception" 
> message. There definitively a room for improvement here. A return code is the 
> first thing that comes to mind.
> 
> Or disable AI and Flight plans when you want to debug. That's not very useful 
> tip when you want to debug AI itself.

I've changed this code to stop using exceptions-as-return values - I believe 
the fix should be in 2.0.0, but I'm not 100% positive about that.

James


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