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annotate liboctave/array/MDiagArray2.h @ 20830:b65888ec820e draft default tip gccjit

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dmalcom gcc jit import
author Stefan Mahr <dac922@gmx.de>
date Fri, 27 Feb 2015 16:59:36 +0100
parents 4197fc428c7d
children
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1 // Template array classes with like-type math ops
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2 /*
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3
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4 Copyright (C) 1996-2015 John W. Eaton
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5 Copyright (C) 2010 VZLU Prague
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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_MDiagArray2_h)
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26 #define octave_MDiagArray2_h 1
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27
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28 #include "DiagArray2.h"
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29 #include "MArray.h"
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30
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31 // Two dimensional diagonal array with math ops.
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32
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33 // But first, some preprocessor abuse...
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34
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35 #include "MArray-decl.h"
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36
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37 MDIAGARRAY2_OPS_FORWARD_DECLS (MDiagArray2, )
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38
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39 template <class T>
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40 class
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41 MDiagArray2 : public DiagArray2<T>
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42 {
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43 public:
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44
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45 MDiagArray2 (void) : DiagArray2<T> () { }
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46
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47 MDiagArray2 (octave_idx_type r, octave_idx_type c) : DiagArray2<T> (r, c) { }
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48
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49 MDiagArray2 (octave_idx_type r, octave_idx_type c, const T& val)
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50 : DiagArray2<T> (r, c, val) { }
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51
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52 MDiagArray2 (const MDiagArray2<T>& a) : DiagArray2<T> (a) { }
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53
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54 MDiagArray2 (const DiagArray2<T>& a) : DiagArray2<T> (a) { }
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55
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56 template <class U>
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57 MDiagArray2 (const DiagArray2<U>& a) : DiagArray2<T> (a) { }
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58
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59 explicit MDiagArray2 (const Array<T>& a) : DiagArray2<T> (a) { }
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60
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61 MDiagArray2 (const Array<T>& a, octave_idx_type r, octave_idx_type c)
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62 : DiagArray2<T> (a, r, c) { }
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63
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64 ~MDiagArray2 (void) { }
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65
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66 MDiagArray2<T>& operator = (const MDiagArray2<T>& a)
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67 {
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68 DiagArray2<T>::operator = (a);
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69 return *this;
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70 }
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71
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72 MArray<T> array_value () const
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73 {
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74 return DiagArray2<T>::array_value ();
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75 }
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76
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77 octave_idx_type nnz (void) const
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78 {
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79 octave_idx_type retval = 0;
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80
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81 const T *d = this->data ();
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82
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83 octave_idx_type nel = this->length ();
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84
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85 for (octave_idx_type i = 0; i < nel; i++)
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86 {
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87 if (d[i] != T ())
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88 retval++;
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89 }
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90
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91 return retval;
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92 }
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93
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94 MArray<T> diag (octave_idx_type k = 0) const
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95 { return DiagArray2<T>::extract_diag (k); }
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96
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97 MDiagArray2<T> transpose (void) const { return DiagArray2<T>::transpose (); }
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98 MDiagArray2<T> hermitian (T (*fcn) (const T&) = 0) const
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99 { return DiagArray2<T>::hermitian (fcn); }
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100
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101 bool is_multiple_of_identity (T val) const;
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102
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103 // Currently, the OPS functions don't need to be friends, but that
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104 // may change.
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106 MDIAGARRAY2_OPS_FRIEND_DECLS (MDiagArray2, )
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107
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108 };
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109
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110 #endif