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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) 2003 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 "chNDArray.h" |
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34 #include "mx-base.h" |
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35 #include "lo-ieee.h" |
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36 #include "lo-mappers.h" |
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37 |
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38 // XXX FIXME XXX -- this is not quite the right thing. |
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39 |
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40 boolNDArray |
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41 charNDArray::all (int dim) const |
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42 { |
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43 MX_ND_ANY_ALL_REDUCTION (MX_ND_ALL_EVAL (elem (iter_idx) == ' '), true); |
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44 } |
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45 |
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46 boolNDArray |
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47 charNDArray::any (int dim) const |
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48 { |
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49 MX_ND_ANY_ALL_REDUCTION (MX_ND_ANY_EVAL (elem (iter_idx) != ' '), false); |
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50 } |
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51 |
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52 charNDArray |
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53 charNDArray::concat (const charNDArray& rb, const Array<int>& ra_idx) |
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54 { |
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55 if (rb.numel () > 0) |
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56 insert (rb, ra_idx); |
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57 return *this; |
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58 } |
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59 |
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60 charNDArray |
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61 charNDArray::concat (const NDArray& rb, const Array<int>& ra_idx) |
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62 { |
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63 charNDArray tmp (rb.dims ()); |
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64 int nel = rb.numel (); |
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65 |
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66 if (rb.numel () == 0) |
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67 return *this; |
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68 |
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69 for (int i = 0; i < nel; i++) |
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70 { |
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71 double d = rb.elem (i); |
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72 |
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73 if (xisnan (d)) |
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74 { |
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75 (*current_liboctave_error_handler) |
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76 ("invalid conversion from NaN to character"); |
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77 return *this; |
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78 } |
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79 else |
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80 { |
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81 int ival = NINT (d); |
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82 |
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83 if (ival < 0 || ival > UCHAR_MAX) |
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84 // XXX FIXME XXX -- is there something |
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85 // better we could do? Should we warn the user? |
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86 ival = 0; |
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87 |
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88 tmp.elem (i) = static_cast<char>(ival); |
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89 } |
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90 } |
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91 |
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92 insert (tmp, ra_idx); |
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93 return *this; |
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94 } |
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95 |
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96 charNDArray& |
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97 charNDArray::insert (const charNDArray& a, int r, int c) |
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98 { |
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99 Array<char>::insert (a, r, c); |
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100 return *this; |
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101 } |
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102 |
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103 charNDArray& |
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104 charNDArray::insert (const charNDArray& a, const Array<int>& ra_idx) |
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105 { |
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106 Array<char>::insert (a, ra_idx); |
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107 return *this; |
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108 } |
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109 |
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110 charMatrix |
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111 charNDArray::matrix_value (void) const |
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112 { |
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113 charMatrix retval; |
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114 |
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115 int nd = ndims (); |
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116 |
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117 switch (nd) |
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118 { |
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119 case 1: |
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120 retval = charMatrix (Array2<char> (*this, dimensions(0), 1)); |
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121 break; |
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122 |
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123 case 2: |
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124 retval = charMatrix (Array2<char> (*this, dimensions(0), |
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125 dimensions(1))); |
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126 break; |
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127 |
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128 default: |
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129 (*current_liboctave_error_handler) |
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130 ("invalid conversion of charNDArray to charMatrix"); |
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131 break; |
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132 } |
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133 |
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134 return retval; |
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135 } |
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136 |
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4532
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137 void |
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138 charNDArray::increment_index (Array<int>& ra_idx, |
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139 const dim_vector& dimensions, |
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140 int start_dimension) |
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141 { |
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142 ::increment_index (ra_idx, dimensions, start_dimension); |
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143 } |
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144 |
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145 int |
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146 charNDArray::compute_index (Array<int>& ra_idx, |
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147 const dim_vector& dimensions) |
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148 { |
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149 return ::compute_index (ra_idx, dimensions); |
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150 } |
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151 |
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152 /* |
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153 ;;; Local Variables: *** |
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154 ;;; mode: C++ *** |
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155 ;;; End: *** |
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156 */ |
