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1993
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1 // Template array classes |
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1988
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2 /* |
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3 |
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4 Copyright (C) 1996 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 2, or (at your option) any |
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11 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, write to the Free |
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20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_Array3_h) |
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25 #define octave_Array3_h 1 |
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26 |
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27 #if defined (__GNUG__) |
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28 #pragma interface |
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29 #endif |
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30 |
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31 #define HEAVYWEIGHT_INDEXING 1 |
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32 |
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33 #include <cassert> |
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34 #include <cstdlib> |
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35 |
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36 #include "Array2.h" |
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37 #include "lo-error.h" |
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38 |
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39 class idx_vector; |
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40 |
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41 // Three dimensional array class. |
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42 |
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43 template <class T> |
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44 class Array3 : public Array2<T> |
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45 { |
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46 protected: |
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47 |
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48 int d3; |
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49 |
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50 Array3 (T *d, int n, int m, int k) : Array2<T> (d, n, m*k) |
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51 { |
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52 d2 = m; |
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53 d3 = k; |
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54 set_max_indices (3); |
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55 } |
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56 |
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57 public: |
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58 |
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59 Array3 (void) : Array2<T> () |
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60 { |
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61 d2 = 0; |
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62 d3 = 0; |
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63 set_max_indices (3); |
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64 } |
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65 |
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66 Array3 (int n, int m, int k) : Array2<T> (n, m*k) |
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67 { |
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68 d2 = m; |
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69 d3 = k; |
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70 set_max_indices (3); |
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71 } |
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72 |
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73 Array3 (int n, int m, int k, const T& val) : Array2<T> (n, m*k, val) |
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74 { |
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75 d2 = m; |
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76 d3 = k; |
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77 set_max_indices (3); |
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78 } |
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79 |
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80 Array3 (const Array3<T>& a) : Array2<T> (a) |
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81 { |
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82 d2 = a.d2; |
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83 d3 = a.d3; |
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84 set_max_indices (3); |
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85 } |
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86 |
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87 ~Array3 (void) { } |
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88 |
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89 Array3<T>& operator = (const Array3<T>& a) |
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90 { |
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91 if (this != &a && rep != a.rep) |
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92 { |
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93 Array<T>::operator = (a); |
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94 d1 = a.d1; |
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95 d2 = a.d2; |
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96 d3 = a.d3; |
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97 } |
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98 |
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99 return *this; |
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100 } |
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101 |
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102 int dim3 (void) const { return d3; } |
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103 |
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104 T& elem (int i, int j, int k) { return Array2<T>::elem (i, d2*k+j); } |
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105 T& checkelem (int i, int j, int k); |
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106 T& operator () (int i, int j, int k) { return checkelem (i, j, k); } |
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107 |
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108 // No checking. |
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109 |
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110 T& xelem (int i, int j, int k) { return Array2<T>::xelem (i, d2*k+j); } |
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111 |
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112 T elem (int i, int j, int k) const; |
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113 T checkelem (int i, int j, int k) const; |
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114 T operator () (int i, int j, int k) const; |
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115 |
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116 void resize (int n, int m, int k); |
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117 void resize (int n, int m, int k, const T& val); |
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118 |
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119 #ifdef HEAVYWEIGHT_INDEXING |
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120 void maybe_delete_elements (idx_vector& i, idx_vector& j, idx_vector& k); |
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121 |
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122 Array3<T> value (void); |
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123 #endif |
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124 }; |
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125 |
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126 template <class LT, class RT> |
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127 int assign (Array3<LT>& lhs, const Array3<RT>& rhs); |
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128 |
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129 #endif |
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130 |
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131 /* |
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132 ;;; Local Variables: *** |
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133 ;;; mode: C++ *** |
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134 ;;; End: *** |
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135 */ |
