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1 /* |
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2 |
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3 Copyright (C) 1995, 1996, 1997, 2002, 2003, 2004, 2005, 2006, 2007 |
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4 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 3 of the License, or (at your |
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11 option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, see |
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20 <http://www.gnu.org/licenses/>. |
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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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31 #include "oct-map.h" |
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32 #include "utils.h" |
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33 |
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34 Octave_map::Octave_map (const dim_vector& dv, const Cell& key_vals) |
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35 : map (), key_list (), dimensions (dv) |
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36 { |
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37 Cell c (dv); |
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38 |
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39 if (key_vals.is_cellstr ()) |
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40 { |
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41 for (octave_idx_type i = 0; i < key_vals.numel (); i++) |
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42 { |
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43 std::string k = key_vals(i).string_value (); |
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44 map[k] = c; |
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45 key_list.push_back (k); |
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46 } |
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47 } |
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48 else |
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49 error ("Octave_map: expecting keys to be cellstr"); |
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50 } |
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51 |
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52 Cell& |
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53 Octave_map::contents (const std::string& k) |
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54 { |
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55 maybe_add_to_key_list (k); |
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56 |
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57 return map[k]; |
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58 } |
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59 |
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60 Cell |
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61 Octave_map::contents (const std::string& k) const |
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62 { |
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63 const_iterator p = seek (k); |
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64 |
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65 return p != end () ? p->second : Cell (); |
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66 } |
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67 |
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68 int |
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69 Octave_map::intfield (const std::string& k, int def_val) const |
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70 { |
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71 int retval = def_val; |
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72 |
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73 Cell c = contents (k); |
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74 |
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75 if (! c.is_empty ()) |
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76 retval = c(0).int_value (); |
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77 |
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78 return retval; |
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79 } |
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80 |
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81 std::string |
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82 Octave_map::stringfield (const std::string& k, |
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83 const std::string& def_val) const |
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84 { |
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85 std::string retval = def_val; |
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86 |
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87 Cell c = contents (k); |
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88 |
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89 if (! c.is_empty ()) |
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90 retval = c(0).string_value (); |
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91 |
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92 return retval; |
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93 } |
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94 |
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95 string_vector |
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96 Octave_map::keys (void) const |
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97 { |
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98 assert (nfields () == key_list.size ()); |
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99 |
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100 return string_vector (key_list); |
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101 } |
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102 |
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103 Octave_map |
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104 Octave_map::transpose (void) const |
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105 { |
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106 assert (ndims () == 2); |
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107 |
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108 dim_vector dv = dims (); |
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109 |
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110 octave_idx_type nr = dv(0); |
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111 octave_idx_type nc = dv(1); |
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112 |
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113 dim_vector new_dims (nc, nr); |
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114 |
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115 Octave_map retval (new_dims); |
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116 |
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117 for (const_iterator p = begin (); p != end (); p++) |
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118 retval.assign (key(p), Cell (contents(p).transpose ())); |
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119 |
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120 return retval; |
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121 } |
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122 |
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123 Octave_map |
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124 Octave_map::reshape (const dim_vector& new_dims) const |
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125 { |
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126 Octave_map retval; |
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127 |
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128 if (new_dims != dims ()) |
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129 { |
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130 for (const_iterator p = begin (); p != end (); p++) |
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131 retval.assign (key(p), contents(p).reshape (new_dims)); |
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132 |
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133 retval.dimensions = new_dims; |
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134 } |
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135 else |
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136 retval = *this; |
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137 |
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138 return retval; |
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139 } |
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140 |
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141 void |
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142 Octave_map::resize (const dim_vector& dv, bool fill) |
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143 { |
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144 if (dv != dims ()) |
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145 { |
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146 if (nfields () == 0) |
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147 dimensions = dv; |
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148 else |
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149 { |
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150 for (const_iterator p = begin (); p != end (); p++) |
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151 { |
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152 Cell tmp = contents(p); |
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153 |
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154 if (fill) |
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155 tmp.resize(dv, Cell::resize_fill_value ()); |
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156 else |
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157 tmp.resize(dv); |
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158 |
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159 dimensions = dv; |
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160 |
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161 assign (key(p), tmp); |
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162 } |
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163 } |
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164 } |
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165 } |
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166 |
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167 Octave_map |
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168 Octave_map::concat (const Octave_map& rb, const Array<octave_idx_type>& ra_idx) |
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169 { |
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170 Octave_map retval; |
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171 |
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172 if (nfields () == rb.nfields ()) |
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173 { |
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174 for (const_iterator pa = begin (); pa != end (); pa++) |
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175 { |
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176 const_iterator pb = rb.seek (key(pa)); |
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177 |
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178 if (pb == rb.end ()) |
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179 { |
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180 error ("field name mismatch in structure concatenation"); |
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181 break; |
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182 } |
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183 |
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184 retval.assign (key(pa), |
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185 contents(pa).insert (rb.contents(pb), ra_idx)); |
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186 } |
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187 } |
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188 else |
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189 error ("field name mismatch in structure concatenation"); |
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190 |
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191 return retval; |
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192 } |
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193 |
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194 static bool |
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195 keys_ok (const Octave_map& a, const Octave_map& b, string_vector& keys) |
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196 { |
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197 bool retval = false; |
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198 |
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199 keys = string_vector (); |
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200 |
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201 if (a.nfields () == 0) |
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202 { |
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203 keys = b.keys (); |
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204 retval = true; |
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205 } |
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206 else |
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207 { |
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208 string_vector a_keys = a.keys().qsort (); |
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209 string_vector b_keys = b.keys().qsort (); |
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210 |
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211 octave_idx_type a_len = a_keys.length (); |
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212 octave_idx_type b_len = b_keys.length (); |
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213 |
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214 if (a_len == b_len) |
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215 { |
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216 for (octave_idx_type i = 0; i < a_len; i++) |
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217 { |
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218 if (a_keys[i] != b_keys[i]) |
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219 goto done; |
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220 } |
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221 |
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222 keys = a_keys; |
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223 retval = true; |
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224 } |
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225 } |
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226 |
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227 done: |
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228 return retval; |
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229 } |
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230 |
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231 Octave_map& |
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232 Octave_map::maybe_delete_elements (const octave_value_list& idx) |
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233 { |
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234 string_vector t_keys = keys(); |
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235 octave_idx_type len = t_keys.length (); |
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236 |
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237 if (len > 0) |
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238 { |
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239 for (octave_idx_type i = 0; i < len; i++) |
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240 { |
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241 std::string k = t_keys[i]; |
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242 |
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243 map[k] = contents(k).assign (idx, Cell()); |
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244 |
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245 if (error_state) |
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246 break; |
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247 } |
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248 |
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249 if (!error_state) |
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250 dimensions = contents(t_keys[0]).dims(); |
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251 } |
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252 |
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253 return *this; |
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254 } |
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255 |
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256 Octave_map& |
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257 Octave_map::assign (const octave_value_list& idx, const Octave_map& rhs) |
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258 { |
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259 string_vector t_keys; |
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260 |
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261 if (keys_ok (*this, rhs, t_keys)) |
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262 { |
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263 octave_idx_type len = t_keys.length (); |
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264 |
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265 if (len == 0) |
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266 { |
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267 Cell tmp_lhs (dims ()); |
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268 Cell tmp_rhs (rhs.dims ()); |
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269 |
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270 tmp_lhs.assign (idx, tmp_rhs, Matrix ()); |
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271 |
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272 if (! error_state) |
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273 resize (tmp_lhs.dims ()); |
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274 else |
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275 error ("size mismatch in structure assignment"); |
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276 } |
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277 else |
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278 { |
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279 for (octave_idx_type i = 0; i < len; i++) |
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280 { |
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281 std::string k = t_keys[i]; |
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282 |
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283 Cell t_rhs = rhs.contents (k); |
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284 |
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285 assign (idx, k, t_rhs); |
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286 |
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287 if (error_state) |
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288 break; |
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289 } |
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290 } |
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291 } |
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292 else |
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293 error ("field name mismatch in structure assignment"); |
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294 |
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295 return *this; |
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296 } |
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297 |
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298 static dim_vector |
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299 common_size (const dim_vector& a, const dim_vector& b) |
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300 { |
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301 dim_vector retval; |
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302 |
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303 octave_idx_type a_len = a.length (); |
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304 octave_idx_type b_len = b.length (); |
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305 |
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306 octave_idx_type new_len = std::max (a_len, b_len); |
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307 octave_idx_type min_len = std::min (a_len, b_len); |
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308 |
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309 retval.resize (new_len); |
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310 |
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311 for (octave_idx_type i = 0; i < min_len; i++) |
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312 retval(i) = std::max (a(i), b(i)); |
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313 |
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314 if (a_len < b_len) |
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315 { |
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316 for (octave_idx_type i = min_len; i < b_len; i++) |
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317 retval(i) = b(i); |
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318 } |
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319 else if (a_len > b_len) |
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320 { |
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321 for (octave_idx_type i = min_len; i < a_len; i++) |
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322 retval(i) = a(i); |
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323 } |
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324 |
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325 return retval; |
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326 } |
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327 |
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328 Octave_map& |
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329 Octave_map::assign (const octave_value_list& idx, const std::string& k, |
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330 const Cell& rhs) |
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331 { |
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332 Cell tmp; |
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333 |
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334 if (contains (k)) |
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335 tmp = map[k]; |
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336 |
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337 octave_value fill_value = Matrix (); |
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338 |
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339 tmp.assign (idx, rhs, fill_value); |
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340 |
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341 if (! error_state) |
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342 { |
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343 dim_vector rhs_dims = tmp.dims (); |
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344 |
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345 dim_vector curr_dims = dims (); |
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346 |
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347 dim_vector new_dims = common_size (rhs_dims, curr_dims); |
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348 |
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349 if (new_dims != rhs_dims) |
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350 { |
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351 tmp.resize (new_dims, fill_value); |
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352 } |
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5329
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353 |
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354 if (new_dims != curr_dims) |
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355 { |
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4219
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356 for (iterator p = begin (); p != end (); p++) |
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357 contents(p).resize (new_dims, fill_value); |
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358 } |
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359 |
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360 dimensions = new_dims; |
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361 |
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362 maybe_add_to_key_list (k); |
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363 |
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364 map[k] = tmp; |
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365 } |
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366 |
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367 return *this; |
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368 } |
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369 |
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370 Octave_map& |
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371 Octave_map::assign (const std::string& k, const octave_value& rhs) |
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372 { |
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6639
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373 if (nfields () == 0) |
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374 { |
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375 maybe_add_to_key_list (k); |
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376 |
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377 map[k] = Cell (rhs); |
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378 |
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379 dimensions = dim_vector (1, 1); |
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380 } |
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381 else |
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382 { |
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383 dim_vector dv = dims (); |
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384 |
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385 if (dv.all_ones ()) |
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5880
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386 { |
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387 maybe_add_to_key_list (k); |
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388 |
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389 map[k] = Cell (rhs); |
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390 } |
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391 else |
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392 error ("invalid structure assignment"); |
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393 } |
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394 |
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395 return *this; |
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396 } |
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397 |
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398 Octave_map& |
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399 Octave_map::assign (const std::string& k, const Cell& rhs) |
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3933
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400 { |
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6639
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401 if (nfields () == 0) |
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4563
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402 { |
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5880
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403 maybe_add_to_key_list (k); |
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404 |
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405 map[k] = rhs; |
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4563
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406 |
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4730
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407 dimensions = rhs.dims (); |
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4563
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408 } |
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409 else |
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410 { |
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4562
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411 if (dims () == rhs.dims ()) |
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5880
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412 { |
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413 maybe_add_to_key_list (k); |
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414 |
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415 map[k] = rhs; |
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416 } |
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3933
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417 else |
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418 error ("invalid structure assignment"); |
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419 } |
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420 |
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421 return *this; |
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422 } |
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423 |
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424 Octave_map |
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4513
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425 Octave_map::index (const octave_value_list& idx) |
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3933
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426 { |
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427 Octave_map retval; |
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428 |
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5435
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429 if (idx.length () > 0) |
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3933
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430 { |
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5435
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431 for (iterator p = begin (); p != end (); p++) |
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432 { |
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433 Cell tmp = contents(p).index (idx); |
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3933
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434 |
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5435
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435 if (error_state) |
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436 break; |
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3933
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437 |
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5435
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438 retval.assign (key(p), tmp); |
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439 } |
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3933
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440 } |
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5435
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441 else |
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5539
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442 retval = *this; |
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3933
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443 |
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5539
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444 return retval; |
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3933
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445 } |
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446 |
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447 /* |
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448 ;;; Local Variables: *** |
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449 ;;; mode: C++ *** |
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450 ;;; End: *** |
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451 */ |
