Is there documentation on the defintion of the 'list' integers? I see the example for the OLS, however I am looking to use ARMA. It list: dependent variable, AR and MA orders, and any exogenous regressors. However, I don't see the specific integer values to use?

Can how I would assign the orders of these (and for the seasonal ones if I wanted to add them later?), also the data array for arma() is const double, why is that different from say lsq()? How would I go about using this function properly?

thanks again!

Joel

From: joelbycraft@hotmail.com
To: gretl-users@lists.wfu.edu
Subject: RE: [Gretl-users] Using Gretl API for C++ Program
Date: Wed, 30 Jun 2010 02:57:57 -0400

Solved it. I went back to the config.log and fixed a few things that were out of place, installed a few things. Still had issues though, however I came across this post about fftw, that explains all the additional errors I was encountering when I tried to troubelshoot source of the source directly in the IDE : http://www.dsprelated.com/showmessage/2636/1.php

I was all set to start casting all these mallocs returns everywhere when it clicked: I just needed to explicitly declare the "C" linkage to my C++ code:
extern "C"
{
#include "libgretl.h"
}

For reference, many adapted C libraries have added this functionality as part of thier header macro guards. e.g

#ifdef __cplusplus
extern "C" {
#endif
... /* body of header */
#ifdef __cplusplus
} /* closing brace for extern "C" */
#endif

Works now, the simple_client produces the desired output. Perhaps you may want to add this note for C++ users of the API, or comment it into the client sample. (or add it to the source in a future release if you're ambitious).

Cheers,

Joel Bycraft

> Date: Sat, 26 Jun 2010 21:33:57 -0400
> From: cottrell@wfu.edu
> To: gretl-users@lists.wfu.edu
> Subject: Re: [Gretl-users] Using Gretl API for C++ Program
>
>
> On Sat, 26 Jun 2010, Joel Bycraft wrote:
>
> > I have pkgconfig installed, I had to update the env variable but I did get the flags. So xcode uses this compile line
> >
> > /Developer/usr/bin/g++-4.0 -arch i386
> > -L/Users/MacBook/Code/testing/build/Debug -F/Users/MacBook/Code/testing/build/Debug -F/Developer/Library/Frameworks -filelist /Users/MacBook/Code/testing/build/testing.build/Debug/testing.build/Objects-normal/i386/testing.LinkFileList -L/opt/local/lib -L/usr/local/lib -lgretl-1.0 -lxml2 -lpthread -lz -liconv -lm -framework TALib -o /Users/MacBook/Code/testing/build/Debug/testing
> > Undefined symbols:
> > "libgretl_init()", referenced from:
> > _main in main.o
> > "libgretl_cleanup()", referenced from:
> > _main in main.o
> > ld: symbol(s) not found
> > collect2: ld returned 1 exit status
> >
> > specifically I added -L/opt/local/lib -L/usr/local/lib
> > -lgretl-1.0 -lxml2 -lpthread -lz -liconv -lm based on the result
> > from pkgconfig. And I have confirmed libgretl-1.0.0.dylib is in
> > /usr/local/lib
>
> This may be something to do with not using libtool. There should
> be a symbolic link from libgretl-1.0.0.dylib to
> libgretl-1.0.dylib, and maybe that's missing?
>
> cd /usr/local/lib && \
> sudo ln -s libgretl-1.0.0.dylib libgretl-1.0.dylib
>
> Allin Cottrell
> _______________________________________________
> Gretl-users mailing list
> Gretl-users@lists.wfu.edu
> http://lists.wfu.edu/mailman/listinfo/gretl-users

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