[TRNSYS-users] Problem with initialization when callinguser-written component

Tue Jan 8 02:29:59 PST 2008

Dear Knut, 

Please find attached my type: it slows down TRNSYS to 'real world time'.

I wonder what exactly happens.  You say info(8) is 4 at the very first call. Is this when you set a breakpoint at the very beginning? In that case, the problem may rather be the simulation project (what are START, STOP and STEP ?).

I get INFO[8]=1 alright the first time TRNSYS give me control. 

Werner 

-----Message d'origine-----
De : knut.erik.enerstvedt at niva.no [mailto:knut.erik.enerstvedt at niva.no] 
Envoyé : mardi 8 janvier 2008 10:14
À : keilholz, werner; trnsys-users at engr.wisc.edu
Objet : RE: [TRNSYS-users] Problem with initialization when callinguser-written component

Hi Werner,

Thank you for your answer.

I am aware of the difference between FORTRAN and C++ array indices, and
have checked that these are correct in my code. I still can't get TRNSYS to
do the version signing (info[6] == -2) and initialization (info[6] == -1).

It would be helpful if you could send me the source code of your C++ Type,
as you are suggesting.

Kind regards,
Knut Erik

             "keilholz,                                                    
             werner"                                                       
             <werner.keilholz@                                          To 
             cstb.fr>                  <knut.erik.enerstvedt at niva.no>,     
                                       <trnsys-users at engr.wisc.edu>        
             01/07/2008 05:04                                           cc 
             PM                                                            
                                                                   Subject 
                                       RE: [TRNSYS-users] Problem with     
                                       initialization when                 
                                       callinguser-written component       

Hi Knut,

Be careful, the version signing stuff is checked by

Inf(7) .EQ. -2

In FORTRAN, but this translates to
    if (info[6]== -2)
in C++ (C arrays start at 0, FORTRAN arrays at 1 - see the comments
generated when you use File/Export to C++ in the Studio).

I just wrote a type in C++ and it behaves as expected.
It's a quite simple , if you want I can send you the source code.

Werner

-----Message d'origine-----
De : knut.erik.enerstvedt at niva.no [mailto:knut.erik.enerstvedt at niva.no]
Envoyé : lundi 7 janvier 2008 15:55
À : trnsys-users at engr.wisc.edu
Objet : [TRNSYS-users] Problem with initialization when callinguser-written
component

Dear TRNSYS users,

I have written a new TRNSYS Type in C++ which will not work because TRNSYS
skips the initialization procedures. The result is that TRNSYS crashes
because arrays are not sized properly etc. I have checked some values of
the INFO array during program execution, and they show that at the very
first call to the Unit, INFO(8) (in FORTRAN, info[7] in C++) already has a
value of 4. This means that the version signing, initialization call
(INFO(7)=-1) and time=start time steps are not executed.

Does anyone know why this happens?

Thanks in advance.

Kind regards,

Knut Erik Enerstvedt

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