/* 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_floatSVD_h) #define octave_floatSVD_h 1 #include <iosfwd> #include "fDiagMatrix.h" #include "fMatrix.h" #include "dbleSVD.h" class OCTAVE_API FloatSVD { public: FloatSVD (void) : type_computed (), sigma (), left_sm (), right_sm () { } FloatSVD (const FloatMatrix& a, SVD::type svd_type = SVD::std, SVD::driver svd_driver = SVD::GESVD) : type_computed (), sigma (), left_sm (), right_sm () { init (a, svd_type, svd_driver); } FloatSVD (const FloatMatrix& a, octave_idx_type& info, SVD::type svd_type = SVD::std, SVD::driver svd_driver = SVD::GESVD) : type_computed (), sigma (), left_sm (), right_sm () { info = init (a, svd_type, svd_driver); } FloatSVD (const FloatSVD& a) : type_computed (a.type_computed), sigma (a.sigma), left_sm (a.left_sm), right_sm (a.right_sm) { } FloatSVD& operator = (const FloatSVD& a) { if (this != &a) { type_computed = a.type_computed; sigma = a.sigma; left_sm = a.left_sm; right_sm = a.right_sm; } return *this; } ~FloatSVD (void) { } FloatDiagMatrix singular_values (void) const { return sigma; } FloatMatrix left_singular_matrix (void) const; FloatMatrix right_singular_matrix (void) const; friend std::ostream& operator << (std::ostream& os, const FloatSVD& a); private: SVD::type type_computed; FloatDiagMatrix sigma; FloatMatrix left_sm; FloatMatrix right_sm; octave_idx_type init (const FloatMatrix& a, SVD::type svd_type = SVD::std, SVD::driver svd_driver = SVD::GESVD); }; #endif