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// -*- C++ -*-
/*
Copyright (C) 1992, 1993, 1994, 1995 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, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined (octave_ComplexSVD_h)
#define octave_ComplexSVD_h 1
class ostream;
#include "dDiagMatrix.h"
#include "CMatrix.h"
#include "dbleSVD.h"
extern "C++" {
class ComplexSVD
{
friend class ComplexMatrix;
public:
ComplexSVD (void) {}
ComplexSVD (const ComplexMatrix& a, SVD::type svd_type = SVD::std);
ComplexSVD (const ComplexMatrix& a, int& info,
SVD::type svd_type = SVD::std);
ComplexSVD (const ComplexSVD& a);
ComplexSVD& operator = (const ComplexSVD& a);
DiagMatrix singular_values (void) const;
ComplexMatrix left_singular_matrix (void) const;
ComplexMatrix right_singular_matrix (void) const;
friend ostream& operator << (ostream& os, const ComplexSVD& a);
private:
int init (const ComplexMatrix& a, SVD::type svd_type = SVD::std);
DiagMatrix sigma;
ComplexMatrix left_sm;
ComplexMatrix right_sm;
};
inline ComplexSVD::ComplexSVD (const ComplexMatrix& a, SVD::type svd_type)
{
init (a, svd_type);
}
inline ComplexSVD::ComplexSVD (const ComplexMatrix& a, int& info,
SVD::type svd_type)
{
info = init (a, svd_type);
}
inline ComplexSVD::ComplexSVD (const ComplexSVD& a)
{
sigma = a.sigma;
left_sm = a.left_sm;
right_sm = a.right_sm;
}
inline ComplexSVD&
ComplexSVD::operator = (const ComplexSVD& a)
{
sigma = a.sigma;
left_sm = a.left_sm;
right_sm = a.right_sm;
return *this;
}
inline DiagMatrix ComplexSVD::singular_values (void) const
{
return sigma;
}
inline ComplexMatrix ComplexSVD::left_singular_matrix (void) const
{
return left_sm;
}
inline ComplexMatrix ComplexSVD::right_singular_matrix (void) const
{
return right_sm;
}
} // extern "C++"
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; page-delimiter: "^/\\*" ***
;;; End: ***
*/
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