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load-save.cc: Return string rather printing to octave_stdout
author Andreas Weber <andy.weber.aw@gmail.com>
date Mon, 21 Jul 2014 18:27:10 +0200
parents ebb3ef964372
children 4197fc428c7d
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1 /*
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2
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3 Copyright (C) 1994-2013 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if !defined (octave_CmplxSVD_h)
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24 #define octave_CmplxSVD_h 1
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25
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26 #include <iosfwd>
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28 #include "dDiagMatrix.h"
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29 #include "CMatrix.h"
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30 #include "dbleSVD.h"
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32 class
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33 OCTAVE_API
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34 ComplexSVD
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35 {
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36 public:
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37
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38 ComplexSVD (void)
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39 : type_computed (), sigma (), left_sm (), right_sm ()
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40 { }
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41
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42 ComplexSVD (const ComplexMatrix& a, SVD::type svd_type = SVD::std,
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43 SVD::driver svd_driver = SVD::GESVD)
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44 : type_computed (), sigma (), left_sm (), right_sm ()
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45 {
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46 init (a, svd_type, svd_driver);
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47 }
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48
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49 ComplexSVD (const ComplexMatrix& a, octave_idx_type& info,
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50 SVD::type svd_type = SVD::std,
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51 SVD::driver svd_driver = SVD::GESVD)
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52 : type_computed (), sigma (), left_sm (), right_sm ()
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53 {
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54 info = init (a, svd_type, svd_driver);
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55 }
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57 ComplexSVD (const ComplexSVD& a)
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58 : type_computed (a.type_computed), sigma (a.sigma),
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59 left_sm (a.left_sm), right_sm (a.right_sm)
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60 { }
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61
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62 ComplexSVD& operator = (const ComplexSVD& a)
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63 {
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64 if (this != &a)
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65 {
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66 type_computed = a.type_computed;
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67 sigma = a.sigma;
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68 left_sm = a.left_sm;
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69 right_sm = a.right_sm;
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70 }
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71 return *this;
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72 }
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73
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74 ~ComplexSVD (void) { }
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75
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76 DiagMatrix singular_values (void) const { return sigma; }
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77
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78 ComplexMatrix left_singular_matrix (void) const;
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79
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80 ComplexMatrix right_singular_matrix (void) const;
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81
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82 friend std::ostream& operator << (std::ostream& os, const ComplexSVD& a);
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83
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84 private:
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85
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86 SVD::type type_computed;
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87
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88 DiagMatrix sigma;
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89 ComplexMatrix left_sm;
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90 ComplexMatrix right_sm;
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91
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92 octave_idx_type init (const ComplexMatrix& a,
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93 SVD::type svd_type = SVD::std,
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94 SVD::driver svd_driver = SVD::GESVD);
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95 };
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96
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97 #endif