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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 (octave_oct_obj_h) |
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24 #define octave_oct_obj_h 1 |
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25 |
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26 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 #include <string> |
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31 |
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32 #include "Array.h" |
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33 #include "oct-alloc.h" |
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34 #include "str-vec.h" |
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35 |
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36 #include "ov.h" |
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37 |
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38 class |
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39 octave_value_list |
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40 { |
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41 public: |
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42 |
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43 octave_value_list (void) |
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44 : data () { } |
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45 |
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46 octave_value_list (int n, const octave_value& val) |
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47 : data (n, val) { } |
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48 |
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49 octave_value_list (const octave_value& tc) |
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50 : data (1, tc) { } |
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51 |
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52 octave_value_list (double d) |
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53 : data (1, octave_value (d)) { } |
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54 |
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55 octave_value_list (const Matrix& m) |
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56 : data (1, octave_value (m)) { } |
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57 |
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58 octave_value_list (const DiagMatrix& d) |
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59 : data (1, octave_value (d)) { } |
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60 |
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61 octave_value_list (const RowVector& v) |
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62 : data (1, octave_value (v)) { } |
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63 |
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64 octave_value_list (const ColumnVector& v) |
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65 : data (1, octave_value (v)) { } |
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66 |
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67 octave_value_list (const Complex& c) |
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68 : data (1, octave_value (c)) { } |
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69 |
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70 octave_value_list (const ComplexMatrix& m) |
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71 : data (1, octave_value (m)) { } |
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72 |
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73 octave_value_list (const ComplexDiagMatrix& d) |
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74 : data (1, octave_value (d)) { } |
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75 |
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76 octave_value_list (const ComplexRowVector& v) |
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77 : data (1, octave_value (v)) { } |
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78 |
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79 octave_value_list (const ComplexColumnVector& v) |
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80 : data (1, octave_value (v)) { } |
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81 |
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82 octave_value_list (const char *s) |
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83 : data (1, octave_value (s)) { } |
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84 |
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85 octave_value_list (const std::string& s) |
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86 : data (1, octave_value (s)) { } |
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87 |
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88 octave_value_list (const string_vector& s) |
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89 : data (1, octave_value (s)) { } |
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90 |
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91 octave_value_list (double base, double limit, double inc) |
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92 : data (1, octave_value (base, limit, inc)) { } |
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93 |
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94 octave_value_list (const Range& r) |
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95 : data (1, octave_value (r)) { } |
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96 |
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97 octave_value_list (const octave_value_list& obj) |
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98 : data (obj.data), names (obj.names) { } |
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99 |
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100 ~octave_value_list (void) { } |
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101 |
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102 void *operator new (size_t size) |
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103 { return allocator.alloc (size); } |
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104 |
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105 // XXX FIXME XXX -- without this, I have errors with the stack of |
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106 // octave_value_list objects in ov-usr-fcn.h. Why? |
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107 void *operator new (size_t size, void *p) |
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108 { return ::operator new (size, p); } |
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109 |
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110 void operator delete (void *p, size_t size) |
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111 { allocator.free (p, size); } |
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112 |
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113 octave_value_list& operator = (const octave_value_list& obj) |
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114 { |
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115 if (this != &obj) |
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116 { |
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117 data = obj.data; |
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118 names = obj.names; |
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119 } |
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120 |
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121 return *this; |
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122 } |
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123 |
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124 bool valid_scalar_indices (void) const; |
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125 |
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126 // Assignment will resize on range errors. |
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127 |
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128 octave_value& operator () (int n) { return elem (n); } |
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129 |
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130 octave_value operator () (int n) const { return elem (n); } |
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131 |
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132 int length (void) const { return data.length (); } |
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133 |
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134 bool empty (void) const { return length () == 0; } |
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135 |
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136 void resize (int n) { data.resize (n); } |
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137 |
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138 void resize (int n, const octave_value& val) { data.resize (n, val); } |
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139 |
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140 octave_value_list& prepend (const octave_value& val); |
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141 |
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142 octave_value_list& append (const octave_value& val); |
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143 |
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144 octave_value_list& append (const octave_value_list& lst); |
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145 |
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146 octave_value_list& reverse (void); |
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147 |
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148 octave_value_list splice (int offset, int length, |
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149 const octave_value_list& lst) const; |
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150 |
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151 octave_value_list index (idx_vector& i, int resize_ok = 0) const; |
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152 |
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153 octave_value_list& assign (const idx_vector& i, |
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154 const octave_value_list& rhs); |
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155 |
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156 bool all_strings_p (void) const; |
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157 |
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158 string_vector make_argv (const std::string&) const; |
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159 |
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160 void stash_name_tags (const string_vector& nm) { names = nm; } |
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161 |
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162 string_vector name_tags (void) const { return names; } |
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163 |
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164 private: |
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165 |
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166 static octave_allocator allocator; |
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167 |
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168 Array<octave_value> data; |
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169 |
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170 // This list of strings can be used to tag each element of data with |
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171 // a name. By default, it is empty. |
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172 string_vector names; |
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173 |
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174 // This constructor is private with no definition to keep statements |
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175 // like |
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176 // |
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177 // octave_value_list foo = 5; |
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178 // octave_value_list foo = 5.0; |
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179 // |
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180 // from doing different things. Instead, you have to use the |
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181 // constructor |
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182 // |
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183 // octave_value_list (n, val); |
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184 // |
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185 // and supply a default value to create a vector-valued |
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186 // octave_value_list. |
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187 |
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188 octave_value_list (int n); |
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189 |
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190 octave_value_list (const Array<octave_value>& d) |
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191 : data (d) { } |
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192 |
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193 void maybe_resize (int n) |
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194 { |
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195 if (n >= length ()) |
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196 data.resize (n + 1, Matrix ()); |
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197 } |
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198 |
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199 octave_value& elem (int n) |
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200 { |
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201 maybe_resize (n); |
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202 return data.elem (n); |
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203 } |
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204 |
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205 octave_value elem (int n) const |
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206 { |
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207 return data.elem (n); |
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208 } |
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209 }; |
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210 |
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211 #endif |
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212 |
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213 /* |
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214 ;;; Local Variables: *** |
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215 ;;; mode: C++ *** |
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216 ;;; End: *** |
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217 */ |
