Re: Calling Octave functions from C

[A S Hodel]

This depends in part on what octave functions you want to use:
the basic numerical functions are largely written in fortran.
the octave class structure is in C++.

Your compiler should let you link with these (although you'll need to 
use a C++ compiler to link your C code with the octave library).  I 
have no experience doing that, although others have done so.

If you want to call octave m-file scripts from  C code, then you're 
dealing with a slightly more difficult operation.  You can use the 
feval function in an Octave .oct file, but it seems the most convenient 
way to do that is to set up your C code within a .oct gateway and call 
it from Octave directly.

Be forewarned that calling scripts  will slow down your code a great 
deal.

On Aug 23, 2004, at 10:02 AM, Shayne C. Rich wrote:

> I desire to call octave functions from C or C++.
>
> What I am trying to do is use some of the graphing and analysis
> functions of Octave for my application instead of writing my own.
>
> For clarification, I am working on a windows machine, which compiler
> will I need, do I need to switch to Linux?
>
> Thanks,
>
> Shayne C. Rich
> 690 S 200 E
> Wellsville, UT 84339
> Tel: 435-245-6031
>
> -----Original Message-----
> From: A S Hodel [mailto:address@hidden
> Sent: Monday, August 23, 2004 7:51 AM
> To: Shayne C. Rich
> Cc: address@hidden
> Subject: Re: Calling Octave functions from C
>
> Did you write that backward?  Are you asking to call legacy "C" code
> from within Octave (which is what mex files do),
> or are you asking to call octave m-file scripts/functions from external
> C code (which is what the Matlab engine
> did/does)?
>
> The first is done through .oct files (there are examples on the net and
> in the octave source code).
> The second is done by linking with the octave libraries (C++, rather
> than C), but others will need to speak to that.
>
> On Aug 20, 2004, at 3:51 PM, Shayne C. Rich wrote:
>
> > Hi, is it possible to call Octave functions from “C” programs, similar
>
> > to Matlab mex files?
> >
> >  
> >
> > Thanks,
> >
> >  
> >
> > Shayne C. Rich
> >
> > Microbial Aerosol Biodetection System
> >
> > 1780 N Research Park Way
> >
> > North Logan, UT 84341
> >
> > Tel: 435-797-3431
> >
> > Fax: 435-797-3328
> >
> > address@hidden
> >
> >  
> A. S. Hodel Dept. ECE, 200 Broun Hall, Auburn University AL 36849-5201
> (334) 844-1854/fax(334) 844-1809,
> http://www.eng.auburn.edu/users/hodelas , address@hidden
A. S. Hodel Dept. ECE, 200 Broun Hall, Auburn University AL 36849-5201
(334) 844-1854/fax(334) 844-1809, 
http://www.eng.auburn.edu/users/hodelas , address@hidden



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