Re: xspec local model library

Hi John,

I tried your suggestion from your last email - the models are there, and 
do work, despite the error messages.

Maybe something subtle has changed in the way my local models are built. 
I definitely have had to put in a few hacks to get XSPEC local models to 
work the way I want to in the past. I will investigate this today and 
report back what I find.

Thanks,

Maurice

On 2/17/10 8:14 AM, John Houck wrote:
> On Tue, Feb 16, 2010 at 19:13 -0600, Leutenegger, Maurice A. (GSFC-662.0)[OAK RIDGE ASSOCIATED UNIVERSITIES  (ORAU)] wrote:
>    
>> How about this?:
>>
>>     nm /path/to/local/models/liblocalmodels.dylib
>>
>>      
> I still have the svn repository of your models from the last
> time we discussed this, so I did an 'svn update' and built your
> models on a local Mac. I then reproduced the problem you're
> seeing.  Is the svn repository version the same as what you're
> using?
>
> Looking again at the list of symbols in the shared library, it
> seems to me that there's an inconsistency.  Your lmodel.dat
> file associates a symbol of the form C_<model_name>  with every
> model, but no symbols of that form are present in your shared
> library.
>
> Focusing on the windprof model, your shared library contains
> these symbols:
>
> 00010d00 t __GLOBAL__I_windprof.cpp
> 00010f80 T _windprof
> 00010e10 T _windprofisis
>
> but the lmodel.dat file says isis should call C_windprof,
> which is not present.
>
> Isis will look for a few variations of that name, appending or
> prepending an underscore, variations in case, etc. but the
> symbol it needs doesn't seem to appear in the shared library.
>
> For comparison, I picked a built-in xspec function that also
> has a C++ interface (xsbexriv.cxx). Looking at bexriv (which
> works in isis) I see the symbols:
>
> 0000a550 T _C_xsbexriv
> 0000f490 t __GLOBAL__I_xsbexriv.cxx
> 00009310 T __Z10f_xsbexrivPKfiS0_iPf
> 000b8015 d __ZZ8xsbexrivE7isFirst
> 0000fda0 T _xsbexriv
> 00009370 T _xsbexriv_
>
> The model.dat file says isis should look for C_xsbexriv, and
> that name is actually present in the shared library.
>
> Could this be the problem?
>
> Thanks,
> -John
>    

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