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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) 1996, 1997 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_Array2_h) |
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26 #define octave_Array2_h 1 |
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27 |
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28 #include <cassert> |
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29 #include <climits> |
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30 #include <cmath> |
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31 #include <cstdlib> |
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32 |
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33 #include "Array.h" |
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34 #include "lo-error.h" |
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35 |
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36 class idx_vector; |
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37 |
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38 // Two dimensional array class. |
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39 |
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40 template <class T> |
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41 class |
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42 Array2 : public Array<T> |
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43 { |
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44 protected: |
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45 |
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46 static octave_idx_type get_size (octave_idx_type r, octave_idx_type c) { return Array<T>::get_size (r, c); } |
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47 |
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48 Array2 (T *d, octave_idx_type r, octave_idx_type c) : Array<T> (d, dim_vector (r, c)) { } |
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49 |
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50 public: |
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51 |
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52 Array2 (void) : Array<T> (dim_vector (0, 0)) { } |
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53 |
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54 Array2 (octave_idx_type r, octave_idx_type c) : Array<T> (dim_vector (r, c)) { } |
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55 |
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56 Array2 (octave_idx_type r, octave_idx_type c, const T& val) |
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57 : Array<T> (dim_vector (r, c), val) { } |
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58 |
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59 Array2 (const dim_vector& dv) : Array<T> (dv) |
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60 { |
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61 if (dv.length () != 2) |
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62 (*current_liboctave_error_handler) ("too many dimensions"); |
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63 } |
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64 |
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65 Array2 (const dim_vector& dv, const T& val) : Array<T> (dv) |
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66 { |
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67 if (dv.length () != 2) |
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68 (*current_liboctave_error_handler) ("too many dimensions"); |
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69 else |
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70 Array<T>::fill (val); |
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71 } |
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72 |
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73 Array2 (const Array2<T>& a) : Array<T> (a, a.dims ()) { } |
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74 |
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75 Array2 (const Array<T>& a, octave_idx_type r, octave_idx_type c) |
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76 : Array<T> (a, dim_vector (r, c)) { } |
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77 |
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78 ~Array2 (void) { } |
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79 |
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80 Array2<T>& operator = (const Array2<T>& a) |
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81 { |
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82 if (this != &a) |
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83 Array<T>::operator = (a); |
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84 |
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85 return *this; |
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86 } |
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87 |
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88 void resize (octave_idx_type r, octave_idx_type c) { this->resize_no_fill (r, c); } |
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89 |
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90 void resize (octave_idx_type r, octave_idx_type c, const T& val) |
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91 { this->resize_and_fill (r, c, val); } |
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92 |
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93 Array2<T>& insert (const Array2<T>& a, octave_idx_type r, octave_idx_type c) |
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94 { |
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95 Array<T>::insert (a, r, c); |
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96 return *this; |
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97 } |
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98 |
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99 Array2<T> transpose (void) const |
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100 { |
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101 Array<T> tmp = Array<T>::transpose (); |
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102 return Array2<T> (tmp, tmp.rows (), tmp.columns ()); |
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103 } |
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104 |
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105 Array2<T> index (idx_vector& i, int resize_ok = 0, |
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106 const T& rfv = resize_fill_value (T ())) const |
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107 { |
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108 Array<T> tmp = Array<T>::index (i, resize_ok, rfv); |
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109 return Array2<T> (tmp, tmp.rows (), tmp.columns ()); |
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110 } |
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111 |
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112 Array2<T> index (idx_vector& i, idx_vector& j, int resize_ok = 0, |
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113 const T& rfv = resize_fill_value (T ())) const |
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114 { |
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115 Array<T> tmp = Array<T>::index (i, j, resize_ok, rfv); |
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116 return Array2<T> (tmp, tmp.rows (), tmp.columns ()); |
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117 } |
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118 }; |
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119 |
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120 #endif |
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121 |
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122 /* |
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123 ;;; Local Variables: *** |
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124 ;;; mode: C++ *** |
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125 ;;; End: *** |
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126 */ |
