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annotate liboctave/numeric/base-qr.h @ 20215:a3dbb17d4dad

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Added tag rc-4-0-0-2 for changeset eba80000fa0d
author John W. Eaton <jwe@octave.org>
date Fri, 20 Mar 2015 16:19:47 -0400
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1 /*
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2
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3 Copyright (C) 2009-2015 Jaroslav Hajek
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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_base_qr_h)
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24 #define octave_base_qr_h 1
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25
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26 #include "MArray.h"
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27 #include "dColVector.h"
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28 #include "PermMatrix.h"
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29
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30 enum qr_type_t
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31 {
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32 qr_type_std,
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33 qr_type_raw,
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34 qr_type_economy
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35 };
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36
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37 template <class qr_type>
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38 class
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39 base_qr
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40 {
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41 public:
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42
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43 typedef typename qr_type::element_type qr_elt_type;
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44
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45 base_qr (void) : q (), r () { }
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47 base_qr (const qr_type& q, const qr_type& r);
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48
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49 base_qr (const base_qr& a) : q (a.q), r (a.r) { }
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51 base_qr& operator = (const base_qr& a)
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52 {
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53 if (this != &a)
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54 {
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55 q = a.q;
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56 r = a.r;
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57 }
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58 return *this;
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59 }
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60
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61 virtual ~base_qr (void) { }
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62
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63 qr_type Q (void) const { return q; }
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64
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65 qr_type R (void) const { return r; }
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66
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67 qr_type_t get_type (void) const;
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68
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69 bool regular (void) const;
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70
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71 protected:
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72
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73 qr_type q;
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74 qr_type r;
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75 };
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76
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77 #ifndef HAVE_QRUPDATE
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78 void warn_qrupdate_once (void);
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79 #endif
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80
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81 #endif