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1 // Template array classes |
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2 /* |
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3 |
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4 Copyright (C) 2000 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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21 02110-1301, USA. |
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22 |
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23 */ |
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24 |
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25 #if !defined (octave_ArrayN_h) |
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26 #define octave_ArrayN_h 1 |
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27 |
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28 #include <iostream> |
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29 |
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30 #include <cassert> |
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31 #include <climits> |
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32 #include <cmath> |
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33 #include <cstdlib> |
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34 |
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35 #include "Array.h" |
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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 // N-dimensional array class. |
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42 |
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43 template <class T> |
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44 class |
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45 ArrayN : public Array<T> |
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46 { |
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47 protected: |
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48 |
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49 ArrayN (T *d, const dim_vector& dv) : Array<T> (d, dv) { } |
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50 |
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51 public: |
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52 |
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53 // These really need to be protected (and they will be in the |
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54 // future, so don't depend on them being here!), but they can't be |
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55 // until template friends work correctly in g++. |
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56 |
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57 ArrayN (void) : Array<T> () { } |
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58 |
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59 ArrayN (const dim_vector& dv) : Array<T> (dv) { } |
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60 |
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61 ArrayN (const dim_vector& dv, const T& val) |
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62 : Array<T> (dv) { fill (val); } |
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63 |
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64 template <class U> |
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65 explicit ArrayN (const Array2<U>& a) : Array<T> (a, a.dims ()) { } |
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66 |
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67 template <class U> |
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68 ArrayN (const ArrayN<U>& a) : Array<T> (a, a.dims ()) { } |
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69 |
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70 template <class U> |
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71 ArrayN (const Array<U>& a) : Array<T> (a) { } |
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72 |
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73 template <class U> |
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74 ArrayN (const Array<U>& a, const dim_vector& dv) |
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75 : Array<T> (a, dv) { } |
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76 |
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77 ~ArrayN (void) { } |
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78 |
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79 ArrayN<T>& operator = (const ArrayN<T>& a) |
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80 { |
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81 if (this != &a) |
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82 Array<T>::operator = (a); |
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83 |
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84 return *this; |
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85 } |
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86 |
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87 ArrayN<T> reshape (const dim_vector& new_dims) const |
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88 { return Array<T>::reshape (new_dims); } |
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89 |
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90 ArrayN<T> permute (const Array<int>& vec, bool inv = false) const |
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91 { return Array<T>::permute (vec, inv); } |
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92 |
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93 ArrayN<T> ipermute (const Array<int>& vec) const |
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94 { return Array<T>::ipermute (vec); } |
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95 |
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96 void resize (const dim_vector& dv) |
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97 { this->resize_no_fill (dv); } |
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98 |
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99 void resize (const dim_vector& dv, const T& val) |
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100 { Array<T>::resize (dv, val); } |
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101 |
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102 ArrayN<T> squeeze (void) const { return Array<T>::squeeze (); } |
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103 |
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104 ArrayN<T> transpose (void) const { return Array<T>::transpose (); } |
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105 |
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106 ArrayN<T>& insert (const ArrayN<T>& a, const dim_vector& dv) |
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107 { |
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108 Array<T>::insert (a, dv); |
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109 return *this; |
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110 } |
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111 |
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112 ArrayN<T>& insert (const ArrayN<T>& a, octave_idx_type r, octave_idx_type c) |
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113 { |
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114 Array<T>::insert (a, r, c); |
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115 return *this; |
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116 } |
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117 |
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118 ArrayN<T> index (idx_vector& i, int resize_ok = 0, |
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119 const T& rfv = resize_fill_value (T ())) const |
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120 { |
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121 Array<T> tmp = Array<T>::index (i, resize_ok, rfv); |
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122 return ArrayN<T> (tmp, tmp.dims ()); |
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123 } |
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124 |
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125 ArrayN<T> index (idx_vector& i, idx_vector& j, int resize_ok = 0, |
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126 const T& rfv = resize_fill_value (T ())) const |
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127 { |
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128 Array<T> tmp = Array<T>::index (i, j, resize_ok, rfv); |
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129 return ArrayN<T> (tmp, tmp.dims ()); |
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130 } |
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131 |
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132 ArrayN<T> index (Array<idx_vector>& ra_idx, int resize_ok = 0, |
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133 const T& rfv = resize_fill_value (T ())) const |
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134 { |
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135 Array<T> tmp = Array<T>::index (ra_idx, resize_ok, rfv); |
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136 return ArrayN<T> (tmp, tmp.dims ()); |
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137 } |
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138 }; |
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139 |
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140 template <class T> |
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141 std::ostream& |
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142 operator << (std::ostream&, const ArrayN<T>&); |
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143 |
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144 #endif |
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145 |
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146 /* |
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147 ;;; Local Variables: *** |
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148 ;;; mode: C++ *** |
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149 ;;; End: *** |
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150 */ |
