Re: [TRNSYS-users] invalid floating point operation

["Diego A. Arias" <daarias@wisc.edu>]

Dear Marijke,

It is possible that there is a mismatch between the modes of the main 
TRNDll.dll and your component dll.  TRNSYS is distributed with a 
TRNDll.dll in release mode, so you have to make sure that when you 
create your dll it is in release mode as well.
It is also possible that there is a divide by zero in your component.  
This is an error that the compiler won't catch, since it may depend on 
the values that you are passing to the component.
If none of these solutions work, please feel free to send me the source 
code of your component and I will be glad to take a look at it.
Best regards,

Diego

Marijke Steeman wrote:

> Dear all,
>  
> I am trying to create a new Trnsys type.  With Compac Visual Fortran I 
> made an external dll that is been placed in the UserLib. This did not 
> gave any problems.
> However, when I now try to use the new model in the Simulation Studio, 
> Tnsys gives an error saying  "Invalid Floating Point Operation".
>  
> Can anyone explain me what this mean ? Is there an error in my created 
> dll-file or in the Studio itself?
>  
> Thank you in advance for helping me out !
> Kind regards,
>  
>  
> Marijke Steeman
> PhD-student
> Architecture and Urban Planning
> Ghent University
> +32(0)92643752
>
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--

Diego A. Arias
TRNSYS Coordinator
Solar Energy Laboratory
University of Wisconsin - Madison
1500 Engineering Drive
Madison, WI 53706