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qzval.cc
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1996-12-04
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/*
Copyright (C) 1996 John W. Eaton
This file is part of Octave.
Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// Written by A. S. Hodel <scotte@eng.auburn.edu>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <cfloat>
#include "defun-dld.h"
#include "error.h"
#include "gripes.h"
#include "help.h"
#include "oct-obj.h"
DEFUN_DLD (qzval, args, ,
"X = qzval (A, B)\n\
\n\
compute generalized eigenvalues of the matrix pencil (A - lambda B).\n\
A and B must be real matrices.")
{
octave_value retval;
int nargin = args.length ();
if (nargin == 2)
{
octave_value arg_a = args(0);
octave_value arg_b = args(1);
Matrix a = arg_a.matrix_value ();
Matrix b = arg_b.matrix_value ();
if (! error_state)
{
ComplexColumnVector tmp = Qzval (a, b);
if (! error_state)
retval = tmp;
}
}
else
print_usage ("qzval");
return retval;
}
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/