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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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28 #include <iostream> |
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29 |
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30 #include "lo-ieee.h" |
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31 #include "mx-base.h" |
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32 |
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33 #include "ov-base.h" |
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34 #include "ov-base-mat.h" |
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35 #include "ov-base-mat.cc" |
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36 #include "ov-ch-mat.h" |
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37 #include "gripes.h" |
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38 #include "pr-output.h" |
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39 |
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40 template class octave_base_matrix<charNDArray>; |
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41 |
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42 DEFINE_OCTAVE_ALLOCATOR (octave_char_matrix); |
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43 |
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44 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_char_matrix, |
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45 "char matrix", "int8"); |
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46 |
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47 idx_vector |
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48 octave_char_matrix::index_vector (void) const |
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49 { |
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50 const char *p = matrix.data (); |
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51 if (numel () == 1 && *p == ':') |
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52 return idx_vector (':'); |
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53 else |
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54 return idx_vector (array_value (true)); |
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55 } |
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56 |
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57 bool |
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58 octave_char_matrix::valid_as_scalar_index (void) const |
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59 { |
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60 bool retval = false; |
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61 error ("octave_char_matrix::valid_as_scalar_index(): not implemented"); |
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62 return retval; |
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63 } |
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64 |
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65 double |
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66 octave_char_matrix::double_value (bool) const |
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67 { |
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68 double retval = lo_ieee_nan_value (); |
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69 |
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70 if (rows () > 0 && columns () > 0) |
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71 { |
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72 gripe_implicit_conversion ("Octave:array-as-scalar", |
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73 "character matrix", "real scalar"); |
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74 |
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75 retval = matrix (0, 0); |
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76 } |
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77 else |
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78 gripe_invalid_conversion ("character matrix", "real scalar"); |
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79 |
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80 return retval; |
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81 } |
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82 |
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83 Complex |
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84 octave_char_matrix::complex_value (bool) const |
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85 { |
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86 double tmp = lo_ieee_nan_value (); |
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87 |
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88 Complex retval (tmp, tmp); |
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89 |
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90 if (rows () > 0 && columns () > 0) |
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91 { |
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92 gripe_implicit_conversion ("Octave:array-as-scalar", |
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93 "character matrix", "complex scalar"); |
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94 |
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95 retval = matrix (0, 0); |
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96 } |
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97 else |
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98 gripe_invalid_conversion ("character matrix", "complex scalar"); |
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99 |
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100 return retval; |
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101 } |
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102 |
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103 void |
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104 octave_char_matrix::print_raw (std::ostream& os, |
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105 bool pr_as_read_syntax) const |
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106 { |
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107 octave_print_internal (os, matrix, pr_as_read_syntax, |
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108 current_print_indent_level ()); |
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109 } |
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110 |
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111 mxArray * |
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112 octave_char_matrix::as_mxArray (void) const |
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113 { |
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114 mxArray *retval = new mxArray (mxCHAR_CLASS, dims (), mxREAL); |
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115 |
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116 mxChar *pr = static_cast<mxChar *> (retval->get_data ()); |
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117 |
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118 mwSize nel = numel (); |
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119 |
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120 const char *p = matrix.data (); |
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121 |
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122 for (mwIndex i = 0; i < nel; i++) |
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123 pr[i] = p[i]; |
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124 |
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125 return retval; |
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126 } |
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127 |
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128 /* |
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129 ;;; Local Variables: *** |
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130 ;;; mode: C++ *** |
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131 ;;; End: *** |
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132 */ |
