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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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4588
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32 #include "Array-util.h" |
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4514
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33 #include "CNDArray.h" |
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34 #include "mx-base.h" |
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35 #include "lo-ieee.h" |
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36 |
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4543
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37 // unary operations |
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38 |
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39 boolNDArray |
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40 boolNDArray::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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4556
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52 boolNDArray |
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53 boolNDArray::all (int dim) const |
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54 { |
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4569
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55 MX_ND_ANY_ALL_REDUCTION (MX_ND_ALL_EVAL (MX_ND_ALL_EXPR), true); |
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56 } |
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57 |
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58 boolNDArray |
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59 boolNDArray::any (int dim) const |
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60 { |
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61 MX_ND_ANY_ALL_REDUCTION (MX_ND_ANY_EVAL (MX_ND_ANY_EXPR), false); |
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62 } |
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63 |
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64 boolMatrix |
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65 boolNDArray::matrix_value (void) const |
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66 { |
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67 boolMatrix retval; |
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68 |
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69 int nd = ndims (); |
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70 |
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71 switch (nd) |
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72 { |
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73 case 1: |
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74 retval = boolMatrix (Array2<bool> (*this, dimensions(0), 1)); |
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75 break; |
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76 |
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77 case 2: |
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78 retval = boolMatrix (Array2<bool> (*this, dimensions(0), |
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79 dimensions(1))); |
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80 break; |
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81 |
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82 default: |
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83 (*current_liboctave_error_handler) |
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84 ("invalid converstion of boolNDArray to boolMatrix"); |
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85 break; |
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86 } |
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87 |
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88 return retval; |
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89 } |
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90 |
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4532
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91 void |
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92 boolNDArray::increment_index (Array<int>& ra_idx, |
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93 const dim_vector& dimensions, |
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94 int start_dimension) |
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95 { |
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96 ::increment_index (ra_idx, dimensions, start_dimension); |
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97 } |
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98 |
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4556
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99 int |
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100 boolNDArray::compute_index (Array<int>& ra_idx, |
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101 const dim_vector& dimensions) |
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102 { |
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103 return ::compute_index (ra_idx, dimensions); |
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104 } |
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105 |
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4543
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106 NDND_CMP_OPS (boolNDArray, , boolNDArray, ) |
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107 |
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108 /* |
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109 ;;; Local Variables: *** |
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110 ;;; mode: C++ *** |
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111 ;;; End: *** |
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112 */ |
