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4514
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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) 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, 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 "CNDArray.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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4532
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36 #include "ArrayN-inline.h" |
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37 |
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4543
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38 // unary operations |
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39 |
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40 boolNDArray |
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41 boolNDArray::operator ! (void) const |
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42 { |
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43 boolNDArray b (dims ()); |
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44 |
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45 for (int i = 0; i < length (); i++) |
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46 b.elem (i) = ! elem (i); |
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47 |
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48 return b; |
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49 } |
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50 |
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4514
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51 // XXX FIXME XXX -- this is not quite the right thing. |
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52 |
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53 boolMatrix |
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54 boolNDArray::all (int dim) const |
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55 { |
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56 boolMatrix retval; |
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57 |
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58 if (dimensions.length () == 2) |
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59 { |
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60 boolMatrix tmp = matrix_value (); |
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61 retval = tmp.all (dim); |
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62 } |
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63 else |
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64 (*current_liboctave_error_handler) |
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65 ("all is not yet implemented for N-d Arrays"); |
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66 |
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67 return retval; |
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68 } |
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69 |
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70 boolMatrix |
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71 boolNDArray::any (int dim) const |
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72 { |
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73 boolMatrix retval; |
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74 |
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75 if (dimensions.length () == 2) |
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76 { |
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77 boolMatrix tmp = matrix_value (); |
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78 retval = tmp.any (dim); |
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79 } |
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80 else |
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81 (*current_liboctave_error_handler) |
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82 ("any is not yet implemented for N-d Arrays"); |
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83 |
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84 return retval; |
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85 } |
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86 |
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87 boolMatrix |
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88 boolNDArray::matrix_value (void) const |
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89 { |
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90 boolMatrix retval; |
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91 |
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92 int nd = ndims (); |
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93 |
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94 switch (nd) |
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95 { |
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96 case 1: |
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97 retval = boolMatrix (Array2<bool> (*this, dimensions(0), 1)); |
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98 break; |
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99 |
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100 case 2: |
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101 retval = boolMatrix (Array2<bool> (*this, dimensions(0), |
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102 dimensions(1))); |
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103 break; |
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104 |
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105 default: |
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106 (*current_liboctave_error_handler) |
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107 ("invalid converstion of boolNDArray to boolMatrix"); |
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108 break; |
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109 } |
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110 |
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111 return retval; |
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112 } |
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113 |
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4532
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114 void |
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115 boolNDArray::increment_index (Array<int>& ra_idx, |
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116 const dim_vector& dimensions, |
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117 int start_dimension) |
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118 { |
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119 ::increment_index (ra_idx, dimensions, start_dimension); |
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120 } |
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121 |
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4543
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122 NDND_CMP_OPS (boolNDArray, , boolNDArray, ) |
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123 |
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4514
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124 /* |
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125 ;;; Local Variables: *** |
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126 ;;; mode: C++ *** |
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127 ;;; End: *** |
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128 */ |
