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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 #if defined (__GNUG__) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include <iostream.h> |
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32 |
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33 #include "lo-ieee.h" |
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34 #include "mx-base.h" |
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35 |
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36 #include "oct-obj.h" |
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37 #include "ops.h" |
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38 #include "ov-re-mat.h" |
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39 #include "ov-str-mat.h" |
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40 #include "gripes.h" |
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41 #include "pr-output.h" |
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42 |
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43 int |
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44 octave_char_matrix_str::t_id (-1); |
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45 |
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46 const string |
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47 octave_char_matrix_str::t_name ("string"); |
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48 |
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49 static octave_value * |
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50 default_numeric_conversion_function (const octave_value& a) |
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51 { |
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52 CAST_CONV_ARG (const octave_char_matrix_str&); |
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53 |
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54 Matrix m = v.matrix_value (); |
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55 |
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56 return error_state ? 0 : new octave_matrix (m); |
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57 } |
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58 |
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59 type_conv_fcn |
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60 octave_char_matrix_str::numeric_conversion_function (void) const |
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61 { |
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62 return default_numeric_conversion_function; |
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63 } |
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64 |
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65 octave_value |
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66 octave_char_matrix_str::do_index_op (const octave_value_list& idx) |
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67 { |
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68 octave_value retval; |
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69 |
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70 int len = idx.length (); |
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71 |
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72 switch (len) |
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73 { |
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74 case 2: |
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75 { |
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76 idx_vector i = idx (0).index_vector (); |
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77 idx_vector j = idx (1).index_vector (); |
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78 |
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79 retval = octave_value (charMatrix (matrix.index (i, j)), true); |
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80 } |
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81 break; |
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82 |
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83 case 1: |
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84 { |
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85 idx_vector i = idx (0).index_vector (); |
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86 |
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87 retval = octave_value (charMatrix (matrix.index (i)), true); |
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88 } |
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89 break; |
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90 |
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91 default: |
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92 error ("invalid number of indices (%d) for matrix value", len); |
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93 break; |
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94 } |
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95 |
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96 return retval; |
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97 } |
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98 |
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99 #if !defined (CXX_NEW_FRIEND_TEMPLATE_DECL) |
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100 extern void assign (Array2<char>&, const Array2<char>&); |
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101 #endif |
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102 |
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103 void |
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104 octave_char_matrix_str::assign (const octave_value_list& idx, |
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105 const charMatrix& rhs) |
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106 { |
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107 int len = idx.length (); |
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108 |
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109 // XXX FIXME XXX |
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110 charMatrix tmp = rhs; |
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111 if (tmp.rows () == 1 && tmp.columns () == 0) |
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112 tmp.resize (0, 0); |
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113 |
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114 switch (len) |
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115 { |
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116 case 2: |
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117 { |
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118 idx_vector i = idx (0).index_vector (); |
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119 idx_vector j = idx (1).index_vector (); |
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120 |
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121 matrix.set_index (i); |
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122 matrix.set_index (j); |
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123 |
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124 ::assign (matrix, tmp); |
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125 } |
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126 break; |
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127 |
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128 case 1: |
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129 { |
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130 idx_vector i = idx (0).index_vector (); |
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131 |
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132 matrix.set_index (i); |
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133 |
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134 ::assign (matrix, tmp); |
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135 } |
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136 break; |
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137 |
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138 default: |
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139 error ("invalid number of indices (%d) for indexed matrix assignment", |
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140 len); |
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141 break; |
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142 } |
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143 } |
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144 |
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145 bool |
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146 octave_char_matrix_str::valid_as_scalar_index (void) const |
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147 { |
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148 bool retval = false; |
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149 error ("octave_char_matrix_str::valid_as_scalar_index(): not implemented"); |
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150 return retval; |
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151 } |
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152 bool |
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153 octave_char_matrix_str::valid_as_zero_index (void) const |
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154 { |
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155 bool retval = false; |
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156 error ("octave_char_matrix_str::valid_as_zero_index(): not implemented"); |
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157 return retval; |
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158 } |
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159 |
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160 Matrix |
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161 octave_char_matrix_str::matrix_value (bool force_string_conv) const |
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162 { |
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163 Matrix retval; |
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164 |
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165 int flag = force_string_conv; |
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166 |
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167 if (! flag) |
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168 flag = Vimplicit_str_to_num_ok; |
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169 |
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170 if (flag < 0) |
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171 gripe_implicit_conversion ("string", "real matrix"); |
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172 |
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173 if (flag) |
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174 retval = Matrix (matrix); |
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175 else |
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176 gripe_invalid_conversion ("string", "real matrix"); |
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177 |
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178 return retval; |
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179 } |
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180 |
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181 string_vector |
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182 octave_char_matrix_str::all_strings (void) const |
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183 { |
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184 int n = matrix.rows (); |
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185 |
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186 string_vector retval (n); |
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187 |
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188 for (int i = 0; i < n; i++) |
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189 retval[i] = matrix.row_as_string (i, true); |
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190 |
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191 return retval; |
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192 } |
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193 |
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194 string |
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195 octave_char_matrix_str::string_value (void) const |
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196 { |
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197 return matrix.row_as_string (0); // XXX FIXME??? XXX |
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198 } |
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199 |
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200 void |
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201 octave_char_matrix_str::print (ostream& os, bool pr_as_read_syntax) const |
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202 { |
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203 // indent (os); |
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204 print_raw (os, pr_as_read_syntax); |
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205 newline (os); |
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206 } |
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207 |
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208 void |
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209 octave_char_matrix_str::print_raw (ostream& os, bool pr_as_read_syntax) const |
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210 { |
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211 octave_print_internal (os, matrix, pr_as_read_syntax, true, |
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212 current_print_indent_level ()); |
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213 } |
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214 |
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215 bool |
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216 octave_char_matrix_str::print_name_tag (ostream& os, const string& name) const |
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217 { |
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218 bool retval = false; |
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219 |
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220 indent (os); |
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221 |
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222 if (rows () <= 1) |
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223 os << name << " = "; |
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224 else |
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225 { |
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226 os << name << " ="; |
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227 newline (os); |
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228 newline (os); |
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229 retval = true; |
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230 } |
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231 |
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232 return retval; |
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233 } |
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234 |
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235 /* |
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236 ;;; Local Variables: *** |
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237 ;;; mode: C++ *** |
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238 ;;; End: *** |
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239 */ |
