> From: [email protected]
> Date: Tue, 10 Nov 2009 17:59:55 +0100
> To: [email protected]
> Subject: [OctDev] How to adopt a Fortran routine?
>
> Dear Octave Community
>
> Since there is a bug [1] in tzero.m (or in one of its subroutines from the
> control package) and I have absolutely no idea how to fix it, I was looking
> for another - working - implementation. I found a Fortran file named sszer.f
> in Scilab 5.2 which has no clear license information in it, but I assume it's
> distributed under the terms of CeCILL 2 (a French open-source license) like
> Scilab itself and therefore free. It's an implementation of the algorithm
> described in [2] and I wish to create an oct-file out of it. Unfortunately, I
> only have basic c++ knowledge and I don't understand Fortran code at all.
> Does anybody knows how to create an oct-file out of Fortran code [3] and how
> the function is used (especially the passed/returned arguments) ?
>
> Thanks for any help in advance!
>
> Regards,
> Lukas
>
> [1]
> http://octave.svn.sourceforge.net/viewvc/octave/trunk/octave-forge/extra/control-oo/inst/ocst/__test_tzero__.m?view=markup
>
> [2]
> Emami-Naeini, A. and P. Van Dooren, "Computation of Zeros of Linear
> Multivariable Systems," Automatica, 18 (1982), pp. 415-430
>
> [3]
> http://www.gnu.org/software/octave/doc/interpreter/Calling-External-Code-from-Oct_002dFiles.html#Calling-External-Code-from-Oct_002dFiles
>
>
I was going to look at and try to fix tzero.m
Doug
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