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annotate liboctave/MDiagArray2.h @ 8920:eb63fbe60fab

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update copyright notices
author John W. Eaton <jwe@octave.org>
date Sat, 07 Mar 2009 10:41:27 -0500
parents b756ce0002db
children 66970dd627f6
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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, 1997, 2000, 2002, 2003, 2004, 2005, 2007, 2008, 2009
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5 John W. Eaton
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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 "MArray2.h"
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30 #include "MArray.h"
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31
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32 // Two dimensional diagonal array with math ops.
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33
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34 // But first, some preprocessor abuse...
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35
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36 #include "MArray-decl.h"
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37
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38 MDIAGARRAY2_OPS_FORWARD_DECLS (MDiagArray2, )
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39
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40 template <class T>
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41 class
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42 MDiagArray2 : public DiagArray2<T>
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43 {
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44 protected:
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45
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46 MDiagArray2 (T *d, octave_idx_type r, octave_idx_type c) : DiagArray2<T> (d, r, c) { }
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47
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48 public:
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49
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50 MDiagArray2 (void) : DiagArray2<T> () { }
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51
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52 MDiagArray2 (octave_idx_type r, octave_idx_type c) : DiagArray2<T> (r, c) { }
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53
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54 MDiagArray2 (octave_idx_type r, octave_idx_type c, const T& val) : DiagArray2<T> (r, c, val) { }
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55
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56 MDiagArray2 (const MDiagArray2<T>& a) : DiagArray2<T> (a) { }
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57
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58 MDiagArray2 (const DiagArray2<T>& a) : DiagArray2<T> (a) { }
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59
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60 template <class U>
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61 MDiagArray2 (const DiagArray2<U>& a) : DiagArray2<T> (a) { }
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62
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63 explicit MDiagArray2 (const Array<T>& a) : DiagArray2<T> (a) { }
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64
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65 ~MDiagArray2 (void) { }
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66
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67 MDiagArray2<T>& operator = (const MDiagArray2<T>& a)
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68 {
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69 DiagArray2<T>::operator = (a);
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70 return *this;
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71 }
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72
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73 operator MArray2<T> () const
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74 {
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75 return DiagArray2<T>::operator Array2<T> ();
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76 }
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77
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78 octave_idx_type nnz (void) const
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79 {
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80 octave_idx_type retval = 0;
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81
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82 const T *d = this->data ();
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83
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84 octave_idx_type nel = this->length ();
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85
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86 for (octave_idx_type i = 0; i < nel; i++)
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87 {
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88 if (d[i] != T ())
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89 retval++;
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90 }
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91
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92 return retval;
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93 }
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94
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95 MArray<T> diag (octave_idx_type k = 0) const
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96 { return DiagArray2<T>::diag (k); }
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97
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98 MDiagArray2<T> transpose (void) const { return DiagArray2<T>::transpose (); }
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99 MDiagArray2<T> hermitian (T (*fcn) (const T&) = 0) const { 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 static MDiagArray2<T> nil_array;
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104
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105 // Currently, the OPS functions don't need to be friends, but that
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106 // may change.
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108 // MDIAGARRAY2_OPS_FRIEND_DECLS (MDiagArray2)
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109
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110 };
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111
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112 #endif
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113
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114 /*
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115 ;;; Local Variables: ***
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116 ;;; mode: C++ ***
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117 ;;; End: ***
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118 */