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- /*
- Copyright (C) 1994-2015 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 3 of the License, 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, see
- <http://www.gnu.org/licenses/>.
- */
- #if ! defined (octave_fEIG_h)
- #define octave_fEIG_h 1
- #include "octave-config.h"
- #include <iosfwd>
- #include "fMatrix.h"
- #include "fCMatrix.h"
- #include "fCColVector.h"
- class
- OCTAVE_API
- FloatEIG
- {
- friend class FloatMatrix;
- friend class FloatComplexMatrix;
- public:
- FloatEIG (void)
- : lambda (), v () { }
- FloatEIG (const FloatMatrix& a, bool calc_eigenvectors = true,
- bool balance = true)
- : lambda (), v ()
- {
- init (a, calc_eigenvectors, balance);
- }
- FloatEIG (const FloatMatrix& a, octave_idx_type& info,
- bool calc_eigenvectors = true, bool balance = true)
- : lambda (), v ()
- {
- info = init (a, calc_eigenvectors, balance);
- }
- FloatEIG (const FloatMatrix& a, const FloatMatrix& b,
- bool calc_eigenvectors = true)
- : lambda (), v ()
- {
- init (a, b, calc_eigenvectors);
- }
- FloatEIG (const FloatMatrix& a, const FloatMatrix& b,
- octave_idx_type& info, bool calc_eigenvectors = true)
- : lambda (), v ()
- {
- info = init (a, b, calc_eigenvectors);
- }
- FloatEIG (const FloatComplexMatrix& a, bool calc_eigenvectors = true,
- bool balance = true)
- : lambda (), v ()
- {
- init (a, calc_eigenvectors, balance);
- }
- FloatEIG (const FloatComplexMatrix& a, octave_idx_type& info,
- bool calc_eigenvectors = true, bool balance = true)
- : lambda (), v ()
- {
- info = init (a, calc_eigenvectors, balance);
- }
- FloatEIG (const FloatComplexMatrix& a, const FloatComplexMatrix& b,
- bool calc_eigenvectors = true)
- : lambda (), v ()
- {
- init (a, b, calc_eigenvectors);
- }
- FloatEIG (const FloatComplexMatrix& a, const FloatComplexMatrix& b,
- octave_idx_type& info, bool calc_eigenvectors = true)
- : lambda (), v ()
- {
- info = init (a, b, calc_eigenvectors);
- }
- FloatEIG (const FloatEIG& a) : lambda (a.lambda), v (a.v) { }
- FloatEIG& operator = (const FloatEIG& a)
- {
- if (this != &a)
- {
- lambda = a.lambda;
- v = a.v;
- }
- return *this;
- }
- ~FloatEIG (void) { }
- FloatComplexColumnVector eigenvalues (void) const { return lambda; }
- FloatComplexMatrix eigenvectors (void) const { return v; }
- friend std::ostream& operator << (std::ostream& os, const FloatEIG& a);
- private:
- FloatComplexColumnVector lambda;
- FloatComplexMatrix v;
- octave_idx_type init (const FloatMatrix& a, bool calc_eigenvectors,
- bool balance);
- octave_idx_type init (const FloatMatrix& a, const FloatMatrix& b,
- bool calc_eigenvectors);
- octave_idx_type init (const FloatComplexMatrix& a, bool calc_eigenvectors,
- bool balance);
- octave_idx_type init (const FloatComplexMatrix& a,
- const FloatComplexMatrix& b, bool calc_eigenvectors);
- octave_idx_type symmetric_init (const FloatMatrix& a, bool calc_eigenvectors);
- octave_idx_type symmetric_init (const FloatMatrix& a, const FloatMatrix& b,
- bool calc_eigenvectors);
- octave_idx_type hermitian_init (const FloatComplexMatrix& a,
- bool calc_eigenvectors);
- octave_idx_type hermitian_init (const FloatComplexMatrix& a,
- const FloatComplexMatrix& b,
- bool calc_eigenvectors);
- };
- #endif
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