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annotate liboctave/floatQR.h @ 8874:bd1b1fe9c6e9 ss-3-1-53

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bump version info for snapshot
author John W. Eaton <jwe@octave.org>
date Wed, 25 Feb 2009 18:35:47 -0500
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children d865363208d6
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1 /*
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2
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3 Copyright (C) 1994, 1995, 1996, 1997, 2000, 2002, 2004, 2005, 2006,
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4 2007 John W. Eaton
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5 Copyright (C) 2008, 2009 Jaroslav Hajek
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6
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7 This file is part of Octave.
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8
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9 Octave is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 3 of the License, or (at your
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12 option) any later version.
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13
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14 Octave is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with Octave; see the file COPYING. If not, see
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21 <http://www.gnu.org/licenses/>.
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22
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23 */
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24
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25 #if !defined (octave_FloatQR_h)
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26 #define octave_FloatQR_h 1
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27
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28 #include <iostream>
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29
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30 #include "fMatrix.h"
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31 #include "fColVector.h"
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32 #include "fRowVector.h"
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33 #include "dbleQR.h"
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34
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35 class
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36 OCTAVE_API
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37 FloatQR
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38 {
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39 public:
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40
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41 FloatQR (void) : q (), r () { }
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42
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43 FloatQR (const FloatMatrix&, QR::type = QR::std);
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44
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45 FloatQR (const FloatMatrix& q, const FloatMatrix& r);
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46
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47 FloatQR (const FloatQR& a) : q (a.q), r (a.r) { }
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48
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49 FloatQR& operator = (const FloatQR& a)
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50 {
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51 if (this != &a)
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52 {
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53 q = a.q;
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54 r = a.r;
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55 }
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56 return *this;
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57 }
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58
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59 ~FloatQR (void) { }
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60
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61 void init (const FloatMatrix&, QR::type);
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62
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63 FloatMatrix Q (void) const { return q; }
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64
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65 FloatMatrix R (void) const { return r; }
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66
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67 QR::type get_type (void) const;
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68
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69 void update (const FloatColumnVector& u, const FloatColumnVector& v);
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70
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71 void update (const FloatMatrix& u, const FloatMatrix& v);
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72
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73 void insert_col (const FloatColumnVector& u, octave_idx_type j);
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74
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75 void insert_col (const FloatMatrix& u, const Array<octave_idx_type>& j);
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76
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77 void delete_col (octave_idx_type j);
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78
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79 void delete_col (const Array<octave_idx_type>& j);
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80
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81 void insert_row (const FloatRowVector& u, octave_idx_type j);
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82
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83 void delete_row (octave_idx_type j);
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84
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85 void shift_cols (octave_idx_type i, octave_idx_type j);
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86
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87 friend std::ostream& operator << (std::ostream&, const FloatQR&);
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88
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89 protected:
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90
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91 void form (octave_idx_type n, FloatMatrix& afact,
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92 float *tau, QR::type qr_type);
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93
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94 FloatMatrix q;
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95 FloatMatrix r;
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96 };
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97
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98 #endif
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99
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100 /*
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101 ;;; Local Variables: ***
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102 ;;; mode: C++ ***
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103 ;;; End: ***
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104 */