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maint: Merge stable to default.
author Markus Mützel <markus.muetzel@gmx.de>
date Tue, 28 May 2024 15:25:54 +0200
parents 4b601ca024d5
children
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1994-2024 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_qrp_h)
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27 #define octave_qrp_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include "PermMatrix.h"
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32 #include "qr.h"
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33
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34 OCTAVE_BEGIN_NAMESPACE(octave)
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35
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36 OCTAVE_BEGIN_NAMESPACE(math)
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37
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38 template <typename T>
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39 class qrp : public qr<T>
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40 {
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41 public:
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42
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43 typedef typename T::real_row_vector_type RV_T;
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44
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45 typedef typename qr<T>::type type;
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46
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47 qrp () : qr<T> (), m_p () { }
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48
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49 OCTAVE_API qrp (const T&, type = qr<T>::std);
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50
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51 qrp (const qrp& a) : qr<T> (a), m_p (a.m_p) { }
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52
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53 qrp& operator = (const qrp& a)
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54 {
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55 if (this != &a)
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56 {
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57 qr<T>::operator = (a);
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58 m_p = a.m_p;
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59 }
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60
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61 return *this;
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62 }
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63
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64 ~qrp () = default;
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65
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66 OCTAVE_API void init (const T&, type = qr<T>::std);
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67
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68 PermMatrix P () const { return m_p; }
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69
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70 OCTAVE_API RV_T Pvec () const;
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71
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72 private:
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73
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74 PermMatrix m_p;
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75 };
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76
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77 OCTAVE_END_NAMESPACE(math)
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78 OCTAVE_END_NAMESPACE(octave)
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79
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80 #endif