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4902
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1 // N-D Array manipulations. |
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2 /* |
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3 |
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4 Copyright (C) 2004 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 (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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25 #pragma implementation |
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26 #endif |
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27 |
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28 #ifdef HAVE_CONFIG_H |
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29 #include <config.h> |
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30 #endif |
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31 |
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32 #include "Array-util.h" |
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33 #include "mx-base.h" |
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34 #include "lo-ieee.h" |
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35 |
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36 // unary operations |
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37 |
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38 template <class T> |
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39 boolNDArray |
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40 intNDArray<T>::operator ! (void) const |
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41 { |
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42 boolNDArray b (dims ()); |
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43 |
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44 for (int i = 0; i < length (); i++) |
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45 b.elem (i) = ! elem (i); |
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46 |
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47 return b; |
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48 } |
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49 |
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50 // XXX FIXME XXX -- this is not quite the right thing. |
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51 |
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52 template <class T> |
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53 boolNDArray |
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54 intNDArray<T>::all (int dim) const |
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55 { |
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56 MX_ND_ANY_ALL_REDUCTION (MX_ND_ALL_EVAL (elem (iter_idx) == T (0)), true); |
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57 } |
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58 |
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59 template <class T> |
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60 boolNDArray |
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61 intNDArray<T>::any (int dim) const |
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62 { |
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63 MX_ND_ANY_ALL_REDUCTION (MX_ND_ALL_EVAL (elem (iter_idx) == T (0)), false); |
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64 } |
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65 |
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66 template <class T> |
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67 void |
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68 intNDArray<T>::increment_index (Array<int>& ra_idx, |
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69 const dim_vector& dimensions, |
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70 int start_dimension) |
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71 { |
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72 ::increment_index (ra_idx, dimensions, start_dimension); |
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73 } |
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74 |
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75 template <class T> |
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76 int |
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77 intNDArray<T>::compute_index (Array<int>& ra_idx, |
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78 const dim_vector& dimensions) |
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79 { |
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80 return ::compute_index (ra_idx, dimensions); |
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81 } |
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82 |
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83 template <class T> |
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84 intNDArray<T>& |
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85 intNDArray<T>::insert (const intNDArray<T>& a, int r, int c) |
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86 { |
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87 Array<T>::insert (a, r, c); |
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88 return *this; |
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89 } |
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90 |
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91 template <class T> |
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92 intNDArray<T>& |
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93 intNDArray<T>::insert (const intNDArray<T>& a, const Array<int>& ra_idx) |
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94 { |
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95 Array<T>::insert (a, ra_idx); |
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96 return *this; |
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97 } |
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98 |
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99 // This contains no information on the array structure !!! |
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100 |
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101 template <class T> |
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102 std::ostream& |
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103 operator << (std::ostream& os, const intNDArray<T>& a) |
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104 { |
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105 int nel = a.nelem (); |
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106 |
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107 for (int i = 0; i < nel; i++) |
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108 os << " " << a.elem (i) << "\n"; |
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109 |
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110 return os; |
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111 } |
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112 |
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113 template <class T> |
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114 std::istream& |
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115 operator >> (std::istream& is, intNDArray<T>& a) |
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116 { |
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117 int nel = a.nelem (); |
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118 |
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119 if (nel < 1 ) |
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120 is.clear (std::ios::badbit); |
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121 else |
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122 { |
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123 T tmp; |
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124 |
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125 for (int i = 0; i < nel; i++) |
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126 { |
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127 is >> tmp; |
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128 |
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129 if (is) |
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130 a.elem (i) = tmp; |
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131 else |
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132 goto done; |
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133 } |
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134 } |
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135 |
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136 done: |
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137 |
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138 return is; |
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139 } |
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140 |
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141 /* |
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142 ;;; Local Variables: *** |
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143 ;;; mode: C++ *** |
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144 ;;; End: *** |
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145 */ |
