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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__) && ! defined (NO_PRAGMA_INTERFACE_IMPLEMENTATION) |
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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> |
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32 |
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33 #include "lo-ieee.h" |
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34 |
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35 #include "gripes.h" |
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36 #include "oct-map.h" |
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37 #include "oct-obj.h" |
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38 #include "oct-lvalue.h" |
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39 #include "oct-stream.h" |
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40 #include "ops.h" |
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41 #include "ov-base.h" |
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42 #include "ov-cell.h" |
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43 #include "ov-ch-mat.h" |
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44 #include "ov-complex.h" |
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45 #include "ov-cx-mat.h" |
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46 #include "ov-list.h" |
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47 #include "ov-range.h" |
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48 #include "ov-re-mat.h" |
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49 #include "ov-scalar.h" |
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50 #include "ov-str-mat.h" |
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51 #include "variables.h" |
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52 |
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53 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_base_value, "<unknown type>"); |
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54 |
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55 octave_value |
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56 octave_base_value::subsref (const std::string, |
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57 const SLList<octave_value_list>&) |
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58 { |
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59 std::string nm = type_name (); |
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60 error ("can't perform indexing operations for %s type", nm.c_str ()); |
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61 return octave_value (); |
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62 } |
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63 |
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64 octave_value_list |
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65 octave_base_value::subsref (const std::string, |
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66 const SLList<octave_value_list>&, int) |
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67 { |
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68 std::string nm = type_name (); |
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69 error ("can't perform indexing operations for %s type", nm.c_str ()); |
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70 return octave_value (); |
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71 } |
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72 |
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73 octave_value |
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74 octave_base_value::do_index_op (const octave_value_list&, int) |
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75 { |
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76 std::string nm = type_name (); |
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77 error ("can't perform indexing operations for %s type", nm.c_str ()); |
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78 return octave_value (); |
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79 } |
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80 |
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81 octave_value_list |
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82 octave_base_value::do_multi_index_op (int, const octave_value_list&) |
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83 { |
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84 std::string nm = type_name (); |
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85 error ("can't perform indexing operations for %s type", nm.c_str ()); |
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86 return octave_value (); |
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87 } |
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88 |
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89 idx_vector |
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90 octave_base_value::index_vector (void) const |
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91 { |
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92 std::string nm = type_name (); |
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93 error ("%s type invalid as index value", nm.c_str ()); |
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94 return idx_vector (); |
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95 } |
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96 |
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97 octave_value |
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98 octave_base_value::subsasgn (const std::string type, |
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99 const SLList<octave_value_list>& idx, |
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100 const octave_value& rhs) |
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101 { |
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102 octave_value retval; |
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103 |
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104 if (is_defined ()) |
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105 { |
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106 std::string nm = type_name (); |
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107 error ("can't perform indexed assignment for %s type", nm.c_str ()); |
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108 } |
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109 else |
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110 { |
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111 // Create new object of appropriate type for given index and rhs |
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112 // types and then call subsasgn again for that object. |
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113 |
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114 octave_value tmp = octave_value::empty_conv (type, rhs); |
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115 |
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116 retval = tmp.subsasgn (type, idx, rhs); |
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117 } |
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118 |
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119 return retval; |
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120 } |
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121 |
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122 octave_value |
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123 octave_base_value::convert_to_str (void) const |
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124 { |
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125 gripe_wrong_type_arg ("octave_base_value::convert_to_str ()", |
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126 type_name ()); |
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127 return octave_value (); |
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128 } |
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129 |
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130 void |
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131 octave_base_value::convert_to_row_or_column_vector (void) |
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132 { |
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133 gripe_wrong_type_arg |
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134 ("octave_base_value::convert_to_row_or_column_vector ()", |
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135 type_name ()); |
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136 } |
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137 |
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138 void |
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139 octave_base_value::print (std::ostream&, bool) const |
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140 { |
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141 gripe_wrong_type_arg ("octave_base_value::print ()", type_name ()); |
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142 } |
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143 |
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144 void |
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145 octave_base_value::print_raw (std::ostream&, bool) const |
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146 { |
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147 gripe_wrong_type_arg ("octave_base_value::print_raw ()", type_name ()); |
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148 } |
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149 |
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150 bool |
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151 octave_base_value::print_name_tag (std::ostream& os, const std::string& name) const |
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152 { |
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153 indent (os); |
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154 os << name << " ="; |
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155 newline (os); |
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156 newline (os); |
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157 return true; |
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158 } |
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159 |
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160 void |
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161 octave_base_value::print_info (std::ostream& os, |
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162 const std::string& prefix) const |
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163 { |
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164 os << "no info for type: " << type_name () << "\n"; |
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165 } |
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166 |
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167 int |
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168 octave_base_value::int_value (bool require_int, bool frc_str_conv) const |
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169 { |
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170 int retval = 0; |
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171 |
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172 double d = double_value (frc_str_conv); |
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173 |
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174 if (! error_state) |
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175 { |
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176 if (require_int && D_NINT (d) != d) |
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177 { |
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178 error ("conversion to integer value failed"); |
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179 return retval; |
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180 } |
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181 |
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182 retval = static_cast<int> (d); |
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183 } |
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184 else |
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185 gripe_wrong_type_arg ("octave_base_value::int_value ()", type_name ()); |
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186 |
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187 return retval; |
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188 } |
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189 |
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190 int |
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191 octave_base_value::nint_value (bool frc_str_conv) const |
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192 { |
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193 int retval = 0; |
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194 |
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195 double d = double_value (frc_str_conv); |
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196 |
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197 if (! error_state) |
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198 { |
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199 if (xisnan (d)) |
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200 { |
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201 error ("conversion of NaN to integer value failed"); |
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202 return retval; |
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203 } |
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204 |
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205 retval = NINT (d); |
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206 } |
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207 else |
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208 gripe_wrong_type_arg ("octave_base_value::nint_value ()", type_name ()); |
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209 |
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210 return retval; |
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211 } |
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212 |
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213 double |
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214 octave_base_value::double_value (bool) const |
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215 { |
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216 double retval = lo_ieee_nan_value (); |
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217 gripe_wrong_type_arg ("octave_base_value::double_value ()", type_name ()); |
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218 return retval; |
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219 } |
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220 |
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221 Cell |
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222 octave_base_value::cell_value () const |
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223 { |
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224 Cell retval; |
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225 gripe_wrong_type_arg ("octave_base_value::cell_value()", type_name ()); |
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226 return retval; |
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227 } |
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228 |
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229 Matrix |
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230 octave_base_value::matrix_value (bool) const |
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231 { |
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232 Matrix retval; |
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233 gripe_wrong_type_arg ("octave_base_value::matrix_value()", type_name ()); |
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234 return retval; |
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235 } |
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236 |
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237 Complex |
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238 octave_base_value::complex_value (bool) const |
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239 { |
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240 double tmp = lo_ieee_nan_value (); |
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241 Complex retval (tmp, tmp); |
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242 gripe_wrong_type_arg ("octave_base_value::complex_value()", type_name ()); |
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243 return retval; |
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244 } |
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245 |
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246 ComplexMatrix |
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247 octave_base_value::complex_matrix_value (bool) const |
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248 { |
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249 ComplexMatrix retval; |
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250 gripe_wrong_type_arg ("octave_base_value::complex_matrix_value()", |
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251 type_name ()); |
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252 return retval; |
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253 } |
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254 |
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255 charMatrix |
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256 octave_base_value::char_matrix_value (bool) const |
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257 { |
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258 charMatrix retval; |
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259 gripe_wrong_type_arg ("octave_base_value::char_matrix_value()", |
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260 type_name ()); |
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261 return retval; |
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262 } |
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263 |
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264 string_vector |
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265 octave_base_value::all_strings (void) const |
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266 { |
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267 string_vector retval; |
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268 gripe_wrong_type_arg ("octave_base_value::all_strings()", type_name ()); |
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269 return retval; |
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270 } |
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271 |
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272 std::string |
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273 octave_base_value::string_value (void) const |
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274 { |
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275 std::string retval; |
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276 gripe_wrong_type_arg ("octave_base_value::string_value()", type_name ()); |
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277 return retval; |
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278 } |
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279 |
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280 Range |
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281 octave_base_value::range_value (void) const |
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282 { |
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283 Range retval; |
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284 gripe_wrong_type_arg ("octave_base_value::range_value()", type_name ()); |
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285 return retval; |
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286 } |
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287 |
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288 Octave_map |
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289 octave_base_value::map_value (void) const |
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290 { |
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291 Octave_map retval; |
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292 gripe_wrong_type_arg ("octave_base_value::map_value()", type_name ()); |
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293 return retval; |
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294 } |
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295 |
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296 string_vector |
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297 octave_base_value::map_keys (void) const |
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298 { |
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299 string_vector retval; |
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300 gripe_wrong_type_arg ("octave_base_value::map_keys()", type_name ()); |
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301 return retval; |
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302 } |
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303 |
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304 octave_stream |
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305 octave_base_value::stream_value (void) const |
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306 { |
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307 octave_stream retval; |
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308 gripe_wrong_type_arg ("octave_base_value::stream_value()", type_name ()); |
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309 return retval; |
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310 } |
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311 |
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312 int |
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313 octave_base_value::stream_number (void) const |
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314 { |
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315 int retval = -1; |
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316 gripe_wrong_type_arg ("octave_base_value::stream_number()", type_name ()); |
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317 return retval; |
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318 } |
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319 |
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320 octave_function * |
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321 octave_base_value::function_value (bool silent) |
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322 { |
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323 octave_function *retval = 0; |
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324 |
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325 if (! silent) |
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326 gripe_wrong_type_arg ("octave_base_value::function_value()", |
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327 type_name ()); |
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328 return retval; |
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329 } |
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330 |
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331 octave_value_list |
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332 octave_base_value::list_value (void) const |
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333 { |
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334 octave_value_list retval; |
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335 gripe_wrong_type_arg ("octave_base_value::list_value()", type_name ()); |
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336 return retval; |
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337 } |
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338 |
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339 bool |
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340 octave_base_value::bool_value (void) const |
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341 { |
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342 bool retval = false; |
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343 gripe_wrong_type_arg ("octave_base_value::bool_value()", type_name ()); |
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344 return retval; |
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345 } |
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346 |
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347 boolMatrix |
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348 octave_base_value::bool_matrix_value (void) const |
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349 { |
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350 boolMatrix retval; |
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351 gripe_wrong_type_arg ("octave_base_value::bool_matrix_value()", |
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352 type_name ()); |
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353 return retval; |
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354 } |
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355 |
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356 CONVDECLX (matrix_conv) |
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357 { |
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358 return new octave_matrix (); |
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359 } |
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360 |
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361 CONVDECLX (complex_matrix_conv) |
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362 { |
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363 return new octave_complex_matrix (); |
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364 } |
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365 |
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366 CONVDECLX (string_conv) |
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367 { |
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368 return new octave_char_matrix_str (); |
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369 } |
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370 |
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371 CONVDECLX (cell_conv) |
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372 { |
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373 return new octave_cell (); |
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374 } |
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375 |
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376 void |
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377 install_base_type_conversions (void) |
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378 { |
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379 INSTALL_ASSIGNCONV (octave_base_value, octave_scalar, octave_matrix); |
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380 INSTALL_ASSIGNCONV (octave_base_value, octave_matrix, octave_matrix); |
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381 INSTALL_ASSIGNCONV (octave_base_value, octave_complex, octave_complex_matrix); |
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382 INSTALL_ASSIGNCONV (octave_base_value, octave_complex_matrix, octave_complex_matrix); |
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383 INSTALL_ASSIGNCONV (octave_base_value, octave_range, octave_matrix); |
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384 INSTALL_ASSIGNCONV (octave_base_value, octave_char_matrix_str, octave_char_matrix_str); |
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385 INSTALL_ASSIGNCONV (octave_base_value, octave_cell, octave_cell); |
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386 |
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387 INSTALL_WIDENOP (octave_base_value, octave_matrix, matrix_conv); |
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388 INSTALL_WIDENOP (octave_base_value, octave_complex_matrix, complex_matrix_conv); |
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389 INSTALL_WIDENOP (octave_base_value, octave_char_matrix_str, string_conv); |
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390 INSTALL_WIDENOP (octave_base_value, octave_cell, cell_conv); |
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391 } |
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392 |
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393 /* |
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394 ;;; Local Variables: *** |
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395 ;;; mode: C++ *** |
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396 ;;; End: *** |
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397 */ |
