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1278
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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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1278
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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 "error.h" |
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29 #include "str-vec.h" |
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30 |
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1278
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31 #include "oct-map.h" |
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32 #include "utils.h" |
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33 |
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5880
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34 Octave_map::Octave_map (const dim_vector& dv, |
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35 const string_vector& key_list_arg) |
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36 : map (), key_list (), dimensions (dv) |
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37 { |
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38 Cell c (dv); |
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39 |
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40 for (octave_idx_type i = 0; i < key_list_arg.length (); i++) |
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41 { |
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42 std::string k = key_list_arg[i]; |
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43 map[k] = c; |
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44 key_list.push_back (k); |
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45 } |
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46 } |
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47 |
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48 Cell& |
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49 Octave_map::contents (const std::string& k) |
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50 { |
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51 maybe_add_to_key_list (k); |
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52 |
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53 return map[k]; |
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54 } |
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55 |
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56 Cell |
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57 Octave_map::contents (const std::string& k) const |
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58 { |
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59 const_iterator p = seek (k); |
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60 |
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61 return p != end () ? p->second : Cell (); |
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62 } |
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63 |
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64 int |
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65 Octave_map::intfield (const std::string& k, int def_val) const |
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66 { |
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67 int retval = def_val; |
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68 |
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69 Cell c = contents (k); |
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70 |
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71 if (! c.is_empty ()) |
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72 retval = c(0).int_value (); |
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73 |
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74 return retval; |
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75 } |
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76 |
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77 std::string |
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78 Octave_map::stringfield (const std::string& k, |
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79 const std::string& def_val) const |
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80 { |
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81 std::string retval = def_val; |
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82 |
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83 Cell c = contents (k); |
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84 |
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85 if (! c.is_empty ()) |
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86 retval = c(0).string_value (); |
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87 |
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88 return retval; |
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89 } |
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90 |
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91 string_vector |
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92 Octave_map::keys (void) const |
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93 { |
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94 assert (length () == key_list.size ()); |
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95 |
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96 return string_vector (key_list); |
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97 } |
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98 |
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99 Octave_map |
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100 Octave_map::transpose (void) const |
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101 { |
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102 assert (ndims () == 2); |
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103 |
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104 dim_vector dv = dims (); |
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105 |
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106 octave_idx_type nr = dv(0); |
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107 octave_idx_type nc = dv(1); |
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108 |
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109 dim_vector new_dims (nc, nr); |
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110 |
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111 Octave_map retval (new_dims); |
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112 |
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113 for (const_iterator p = begin (); p != end (); p++) |
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114 retval.assign (key(p), Cell (contents(p).transpose ())); |
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115 |
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116 return retval; |
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117 } |
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118 |
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119 Octave_map |
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120 Octave_map::reshape (const dim_vector& new_dims) const |
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121 { |
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122 Octave_map retval; |
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123 |
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124 if (new_dims != dims ()) |
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125 { |
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126 for (const_iterator p = begin (); p != end (); p++) |
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127 retval.assign (key(p), contents(p).reshape (new_dims)); |
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128 |
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129 retval.dimensions = new_dims; |
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130 } |
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131 else |
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132 retval = *this; |
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133 |
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134 return retval; |
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135 } |
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136 |
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137 octave_idx_type |
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138 Octave_map::numel (void) const |
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139 { |
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140 octave_idx_type retval; |
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141 |
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142 if (empty ()) |
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143 retval = 0; |
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144 else |
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145 { |
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146 Cell tmp = contents (begin ()); |
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147 retval = tmp.numel (); |
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148 } |
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149 |
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150 return retval; |
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151 } |
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152 |
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153 void |
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154 Octave_map::resize (const dim_vector& dv, bool fill) |
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155 { |
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156 if (dv != dims ()) |
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157 { |
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158 for (const_iterator p = begin (); p != end (); p++) |
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159 { |
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160 Cell tmp = contents(p); |
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161 |
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162 if (fill) |
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163 tmp.resize(dv, Cell::resize_fill_value ()); |
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164 else |
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165 tmp.resize(dv); |
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166 |
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167 dimensions = dv; |
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168 |
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169 assign (key(p), tmp); |
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170 } |
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171 } |
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172 } |
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173 |
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174 Octave_map |
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175 Octave_map::concat (const Octave_map& rb, const Array<octave_idx_type>& ra_idx) |
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176 { |
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177 Octave_map retval; |
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178 |
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179 if (length() == rb.length()) |
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180 { |
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181 for (const_iterator pa = begin (); pa != end (); pa++) |
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182 { |
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183 const_iterator pb = rb.seek (key(pa)); |
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184 |
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185 if (pb == rb.end ()) |
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186 { |
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187 error ("field name mismatch in structure concatenation"); |
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188 break; |
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189 } |
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190 |
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191 retval.assign (key(pa), |
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192 contents(pa).insert (rb.contents(pb), ra_idx)); |
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193 } |
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194 } |
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195 else |
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196 error ("field name mismatch in structure concatenation"); |
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197 |
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198 return retval; |
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199 } |
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200 |
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201 static string_vector |
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202 equiv_keys (const Octave_map& a, const Octave_map& b) |
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203 { |
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204 string_vector retval; |
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205 |
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206 string_vector a_keys = a.keys().qsort (); |
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207 string_vector b_keys = b.keys().qsort (); |
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208 |
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209 octave_idx_type a_len = a_keys.length (); |
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210 octave_idx_type b_len = b_keys.length (); |
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211 |
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212 if (a_len == b_len) |
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213 { |
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214 for (octave_idx_type i = 0; i < a_len; i++) |
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215 { |
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216 if (a_keys[i] != b_keys[i]) |
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217 return retval; |
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218 } |
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219 |
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220 retval = a_keys; |
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221 } |
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222 |
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223 return retval; |
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224 } |
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225 |
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226 Octave_map& |
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227 Octave_map::maybe_delete_elements (const octave_value_list& idx) |
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228 { |
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229 string_vector t_keys = keys(); |
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230 octave_idx_type len = t_keys.length (); |
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231 |
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232 if (len > 0) |
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233 { |
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234 for (octave_idx_type i = 0; i < len; i++) |
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235 { |
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236 std::string k = t_keys[i]; |
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237 |
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238 map[k] = contents(k).assign (idx, Cell()); |
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239 |
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240 if (error_state) |
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241 break; |
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242 } |
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243 |
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244 if (!error_state) |
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245 dimensions = contents(t_keys[0]).dims(); |
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246 } |
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247 |
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248 return *this; |
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249 } |
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250 |
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251 Octave_map& |
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252 Octave_map::assign (const octave_value_list& idx, const Octave_map& rhs) |
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253 { |
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254 string_vector t_keys = empty () ? rhs.keys () : equiv_keys (*this, rhs); |
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255 |
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256 if (! t_keys.empty ()) |
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257 { |
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258 octave_idx_type len = t_keys.length (); |
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259 |
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260 for (octave_idx_type i = 0; i < len; i++) |
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261 { |
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262 std::string k = t_keys[i]; |
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263 |
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264 Cell t_rhs = rhs.contents (k); |
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265 |
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266 assign (idx, k, t_rhs); |
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267 |
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268 if (error_state) |
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269 break; |
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270 } |
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271 } |
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272 else |
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273 error ("field name mismatch in structure assignment"); |
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274 |
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275 return *this; |
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276 } |
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277 |
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278 static dim_vector |
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279 common_size (const dim_vector& a, const dim_vector& b) |
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280 { |
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281 dim_vector retval; |
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282 |
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283 octave_idx_type a_len = a.length (); |
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284 octave_idx_type b_len = b.length (); |
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285 |
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286 octave_idx_type new_len = std::max (a_len, b_len); |
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287 octave_idx_type min_len = std::min (a_len, b_len); |
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288 |
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289 retval.resize (new_len); |
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290 |
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291 for (octave_idx_type i = 0; i < min_len; i++) |
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292 retval(i) = std::max (a(i), b(i)); |
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293 |
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294 if (a_len < b_len) |
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295 { |
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296 for (octave_idx_type i = min_len; i < b_len; i++) |
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297 retval(i) = b(i); |
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298 } |
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299 else if (a_len > b_len) |
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300 { |
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301 for (octave_idx_type i = min_len; i < a_len; i++) |
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302 retval(i) = a(i); |
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303 } |
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304 |
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305 return retval; |
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306 } |
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307 |
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308 Octave_map& |
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309 Octave_map::assign (const octave_value_list& idx, const std::string& k, |
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310 const Cell& rhs) |
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311 { |
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312 Cell tmp; |
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313 |
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314 if (contains (k)) |
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315 tmp = map[k]; |
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316 |
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317 octave_value fill_value = Matrix (); |
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318 |
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319 tmp.assign (idx, rhs, fill_value); |
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320 |
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321 if (! error_state) |
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322 { |
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323 dim_vector rhs_dims = tmp.dims (); |
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324 |
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325 dim_vector curr_dims = dims (); |
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326 |
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327 dim_vector new_dims = common_size (rhs_dims, curr_dims); |
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328 |
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329 if (new_dims != rhs_dims) |
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330 { |
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331 tmp.resize (new_dims, fill_value); |
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332 } |
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333 |
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334 if (new_dims != curr_dims) |
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335 { |
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336 for (iterator p = begin (); p != end (); p++) |
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337 contents(p).resize (new_dims, fill_value); |
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338 } |
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339 |
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340 dimensions = new_dims; |
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341 |
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342 maybe_add_to_key_list (k); |
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343 |
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344 map[k] = tmp; |
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345 } |
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346 |
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347 return *this; |
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348 } |
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349 |
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350 Octave_map& |
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351 Octave_map::assign (const std::string& k, const octave_value& rhs) |
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352 { |
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353 if (empty ()) |
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354 { |
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355 maybe_add_to_key_list (k); |
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356 |
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357 map[k] = Cell (rhs); |
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358 |
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359 dimensions = dim_vector (1, 1); |
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360 } |
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361 else |
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362 { |
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363 dim_vector dv = dims (); |
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364 |
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365 if (dv.all_ones ()) |
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366 { |
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367 maybe_add_to_key_list (k); |
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368 |
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369 map[k] = Cell (rhs); |
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370 } |
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371 else |
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372 error ("invalid structure assignment"); |
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373 } |
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374 |
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375 return *this; |
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376 } |
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377 |
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378 Octave_map& |
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379 Octave_map::assign (const std::string& k, const Cell& rhs) |
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380 { |
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381 if (empty ()) |
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382 { |
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383 maybe_add_to_key_list (k); |
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384 |
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385 map[k] = rhs; |
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386 |
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387 dimensions = rhs.dims (); |
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388 } |
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389 else |
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390 { |
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391 if (dims () == rhs.dims ()) |
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5880
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392 { |
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393 maybe_add_to_key_list (k); |
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394 |
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395 map[k] = rhs; |
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396 } |
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397 else |
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398 error ("invalid structure assignment"); |
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399 } |
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400 |
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401 return *this; |
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402 } |
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403 |
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404 Octave_map |
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405 Octave_map::index (const octave_value_list& idx) |
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406 { |
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407 Octave_map retval; |
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408 |
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409 if (idx.length () > 0) |
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3933
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410 { |
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411 for (iterator p = begin (); p != end (); p++) |
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412 { |
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413 Cell tmp = contents(p).index (idx); |
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414 |
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5435
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415 if (error_state) |
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416 break; |
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417 |
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418 retval.assign (key(p), tmp); |
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419 } |
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3933
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420 } |
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5435
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421 else |
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5539
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422 retval = *this; |
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3933
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423 |
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5539
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424 return retval; |
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3933
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425 } |
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426 |
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1278
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427 /* |
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428 ;;; Local Variables: *** |
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429 ;;; mode: C++ *** |
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430 ;;; End: *** |
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431 */ |
