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annotate liboctave/fCmplxQR.h @ 7792:39c1026191e9

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add missing files from single-precision merge
author John W. Eaton <jwe@octave.org>
date Wed, 21 May 2008 09:36:46 -0400
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children d66c9b6e506a
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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
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 // updating/downdating by Jaroslav Hajek 2008
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25
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26 #if !defined (octave_FloatComplexQR_h)
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27 #define octave_FloatComplexQR_h 1
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28
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29 #include <iostream>
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30
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31 #include "fCMatrix.h"
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32 #include "fCColVector.h"
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33 #include "fCRowVector.h"
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34 #include "dbleQR.h"
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35
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36 class
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37 OCTAVE_API
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38 FloatComplexQR
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39 {
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40 public:
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41
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42 FloatComplexQR (void) : q (), r () { }
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43
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44 FloatComplexQR (const FloatComplexMatrix&, QR::type = QR::std);
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45
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46 FloatComplexQR (const FloatComplexMatrix& q, const FloatComplexMatrix& r);
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47
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48 FloatComplexQR (const FloatComplexQR& a) : q (a.q), r (a.r) { }
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49
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50 FloatComplexQR& operator = (const FloatComplexQR& a)
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51 {
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52 if (this != &a)
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53 {
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54 q = a.q;
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55 r = a.r;
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56 }
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57 return *this;
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58 }
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59
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60 ~FloatComplexQR (void) { }
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61
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62 void init (const FloatComplexMatrix&, QR::type = QR::std);
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63
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64 FloatComplexMatrix Q (void) const { return q; }
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65
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66 FloatComplexMatrix R (void) const { return r; }
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67
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68 void update (const FloatComplexMatrix& u, const FloatComplexMatrix& v);
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69
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70 void insert_col (const FloatComplexMatrix& u, octave_idx_type j);
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71
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72 void delete_col (octave_idx_type j);
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73
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74 void insert_row (const FloatComplexMatrix& u, octave_idx_type j);
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75
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76 void delete_row (octave_idx_type j);
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77
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78 void shift_cols (octave_idx_type i, octave_idx_type j);
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79
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80 void economize();
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81
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82 friend std::ostream& operator << (std::ostream&, const FloatComplexQR&);
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83
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84 protected:
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85
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86 FloatComplexMatrix q;
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87 FloatComplexMatrix r;
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88 };
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89
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90 #endif
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91
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92 /*
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93 ;;; Local Variables: ***
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94 ;;; mode: C++ ***
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95 ;;; End: ***
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96 */