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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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #include "gripes.h" |
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4055
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28 #include "oct-obj.h" |
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2928
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29 #include "ov.h" |
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30 #include "ov-str-mat.h" |
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31 #include "ov-typeinfo.h" |
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32 #include "ops.h" |
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33 |
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3203
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34 // string unary ops. |
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35 |
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36 DEFUNOP (transpose, matrix) |
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37 { |
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38 CAST_UNOP_ARG (const octave_char_matrix_str&); |
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39 |
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4673
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40 if (v.ndims () > 2) |
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41 { |
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42 error ("transpose not defined for N-d objects"); |
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43 return octave_value (); |
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44 } |
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45 else |
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46 return octave_value (v.char_matrix_value().transpose (), true); |
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47 } |
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48 |
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49 // string by string ops. |
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50 |
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51 DEFBINOP (eq, char_matrix_str, char_matrix_str) |
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52 { |
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53 CAST_BINOP_ARGS (const octave_char_matrix_str&, |
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54 const octave_char_matrix_str&); |
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55 |
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56 charMatrix cm1 = v1.char_matrix_value (); |
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57 charMatrix cm2 = v2.char_matrix_value (); |
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58 |
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59 if (cm1.rows () == 1 && cm1.columns () == 1) |
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60 { |
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61 if (cm2.rows () == 1 && cm2.columns () == 1) |
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62 return octave_value (cm1 (0, 0) == cm2 (0, 0)); |
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63 else |
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64 SC_MX_BOOL_OP (char, c, cm1 (0, 0), charMatrix, m, cm2, |
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65 c == m (i, j), 0.0); |
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66 } |
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67 else |
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68 { |
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69 int cm2_nr = cm2.rows (); |
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70 int cm2_nc = cm2.cols (); |
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71 |
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72 if (cm2_nr == 1 && cm2_nc == 1) |
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73 MX_SC_BOOL_OP (charMatrix, m, cm1, char, c, cm2 (0, 0), |
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74 c == m (i, j), 0.0); |
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75 else |
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76 MX_MX_BOOL_OP (charMatrix, m1, cm1, charMatrix, m2, cm2, |
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77 m1 (i, j) == m2 (i, j), "==", 0.0, 1.0); |
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78 } |
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79 } |
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80 |
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81 DEFBINOP (ne, char_matrix_str, char_matrix_str) |
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82 { |
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83 CAST_BINOP_ARGS (const octave_char_matrix_str&, |
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84 const octave_char_matrix_str&); |
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85 |
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86 charMatrix cm1 = v1.char_matrix_value (); |
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87 charMatrix cm2 = v2.char_matrix_value (); |
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88 |
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89 if (cm1.rows () == 1 && cm1.columns () == 1) |
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90 { |
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91 if (cm2.rows () == 1 && cm2.columns () == 1) |
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92 return octave_value (cm1 (0, 0) != cm2 (0, 0)); |
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93 else |
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94 SC_MX_BOOL_OP (char, c, cm1 (0, 0), charMatrix, m, cm2, |
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95 c != m (i, j), 1.0); |
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96 } |
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97 else |
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98 { |
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99 if (cm2.rows () == 1 && cm2.columns () == 1) |
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100 MX_SC_BOOL_OP (charMatrix, m, cm1, char, c, cm2 (0, 0), |
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101 c != m (i, j), 1.0); |
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102 else |
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103 MX_MX_BOOL_OP (charMatrix, m1, cm1, charMatrix, m2, cm2, |
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104 m1 (i, j) != m2 (i, j), "!=", 1.0, 0.0); |
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105 } |
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106 } |
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107 |
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108 DEFASSIGNOP (assign, char_matrix_str, char_matrix_str) |
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109 { |
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110 CAST_BINOP_ARGS (octave_char_matrix_str&, const octave_char_matrix_str&); |
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111 |
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112 v1.assign (idx, v2.char_matrix_value ()); |
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113 return octave_value (); |
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114 } |
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115 |
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4915
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116 DEFCATOP (str_str, char_matrix_str, char_matrix_str) |
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117 { |
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118 CAST_BINOP_ARGS (octave_char_matrix_str&, const octave_char_matrix_str&); |
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119 return octave_value (v1.char_array_value (). concat (v2.char_array_value (), |
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4915
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120 ra_idx), true); |
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121 } |
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122 |
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123 void |
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124 install_str_str_ops (void) |
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125 { |
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126 INSTALL_UNOP (op_transpose, octave_char_matrix_str, transpose); |
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127 INSTALL_UNOP (op_hermitian, octave_char_matrix_str, transpose); |
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128 |
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129 INSTALL_BINOP (op_eq, octave_char_matrix_str, octave_char_matrix_str, eq); |
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130 INSTALL_BINOP (op_ne, octave_char_matrix_str, octave_char_matrix_str, ne); |
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131 |
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4915
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132 INSTALL_CATOP (octave_char_matrix_str, octave_char_matrix_str, str_str); |
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133 |
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134 INSTALL_ASSIGNOP (op_asn_eq, octave_char_matrix_str, octave_char_matrix_str, assign); |
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135 } |
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136 |
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137 /* |
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138 ;;; Local Variables: *** |
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139 ;;; mode: C++ *** |
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140 ;;; End: *** |
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141 */ |
