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