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ov-struct.h (octave_struct (const Octave_map&)): delete constructor
author John W. Eaton <jwe@octave.org>
date Fri, 01 Oct 2010 04:37:53 -0400
parents 76079e505f9d
children fd0a3ac60b0e
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1 /*
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2
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3 Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006,
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4 2007, 2008, 2009 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 #if !defined (octave_struct_h)
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25 #define octave_struct_h 1
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26
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27 #include <cstdlib>
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28
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29 #include <iosfwd>
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30 #include <string>
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31
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32 #include "mx-base.h"
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33 #include "str-vec.h"
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34
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35 #include "error.h"
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36 #include "oct-alloc.h"
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37 #include "oct-map.h"
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38 #include "ov-base.h"
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39 #include "ov-typeinfo.h"
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40
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41 class octave_value_list;
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42
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43 class tree_walker;
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44
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45 // Data structures.
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46
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47 class
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48 octave_struct : public octave_base_value
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49 {
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50 public:
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51
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52 octave_struct (void)
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53 : octave_base_value () { }
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54
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55 octave_struct (const octave_map& m)
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56 : octave_base_value (), map (m) { }
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57
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58 octave_struct (const octave_struct& s)
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59 : octave_base_value (), map (s.map) { }
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60
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61 ~octave_struct (void) { }
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62
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63 octave_base_value *clone (void) const { return new octave_struct (*this); }
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64 octave_base_value *empty_clone (void) const { return new octave_struct (); }
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65
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66 octave_base_value *try_narrowing_conversion (void);
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67
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68 Cell dotref (const octave_value_list& idx, bool auto_add = false);
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69
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70 octave_value subsref (const std::string& type,
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71 const std::list<octave_value_list>& idx)
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72 {
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73 octave_value_list tmp = subsref (type, idx, 1);
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74 return tmp.length () > 0 ? tmp(0) : octave_value ();
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75 }
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77 octave_value_list subsref (const std::string&,
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78 const std::list<octave_value_list>&, int);
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79
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80 octave_value subsref (const std::string& type,
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81 const std::list<octave_value_list>& idx,
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82 bool auto_add);
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83
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84 static octave_value numeric_conv (const octave_value& val,
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85 const std::string& type);
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86
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87 octave_value subsasgn (const std::string& type,
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88 const std::list<octave_value_list>& idx,
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89 const octave_value& rhs);
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90
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91 octave_value squeeze (void) const { return map.squeeze (); }
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92
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93 octave_value permute (const Array<int>& vec, bool inv = false) const
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94 { return map.permute (vec, inv); }
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95
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96 octave_value do_index_op (const octave_value_list& idx,
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97 bool resize_ok = false);
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98
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99 dim_vector dims (void) const { return map.dims (); }
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100
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101 size_t byte_size (void) const;
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102
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103 // This is the number of elements in each field. The total number
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104 // of elements is numel () * nfields ().
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105 octave_idx_type numel (void) const
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106 {
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107 return map.numel ();
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108 }
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109
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110 octave_idx_type nfields (void) const { return map.nfields (); }
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111
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112 octave_value reshape (const dim_vector& new_dims) const
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113 { return map.reshape (new_dims); }
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114
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115 octave_value resize (const dim_vector& dv, bool fill = false) const
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116 { octave_map tmap = map; tmap.resize (dv, fill); return tmap; }
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117
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118 bool is_defined (void) const { return true; }
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119
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120 bool is_constant (void) const { return true; }
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121
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122 bool is_map (void) const { return true; }
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123
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124 builtin_type_t builtin_type (void) const { return btyp_struct; }
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125
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126 octave_map map_value (void) const { return map; }
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127
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128 string_vector map_keys (void) const { return map.fieldnames (); }
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129
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130 void print (std::ostream& os, bool pr_as_read_syntax = false) const;
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131
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132 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
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133
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134 bool print_name_tag (std::ostream& os, const std::string& name) const;
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135
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136 bool save_ascii (std::ostream& os);
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137
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138 bool load_ascii (std::istream& is);
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139
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140 bool save_binary (std::ostream& os, bool& save_as_floats);
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141
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142 bool load_binary (std::istream& is, bool swap,
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143 oct_mach_info::float_format fmt);
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144
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145 #if defined (HAVE_HDF5)
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146 bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats);
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147
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148 bool load_hdf5 (hid_t loc_id, const char *name);
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149 #endif
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150
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151 mxArray *as_mxArray (void) const;
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152
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153 octave_value
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154 fast_elem_extract (octave_idx_type n) const;
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155
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156 bool
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157 fast_elem_insert (octave_idx_type n, const octave_value& x);
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158
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159 protected:
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160
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161 // The associative array used to manage the structure data.
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162 octave_map map;
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163
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164 private:
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165
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166 DECLARE_OCTAVE_ALLOCATOR
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167
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168 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
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169 };
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170
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171 class
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172 octave_scalar_struct : public octave_base_value
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173 {
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174 public:
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175
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176 octave_scalar_struct (void)
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177 : octave_base_value () { }
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178
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179 octave_scalar_struct (const octave_scalar_map& m)
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180 : octave_base_value (), map (m) { }
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181
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182 octave_scalar_struct (const octave_scalar_struct& s)
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183 : octave_base_value (), map (s.map) { }
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184
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185 ~octave_scalar_struct (void) { }
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186
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187 octave_base_value *clone (void) const { return new octave_scalar_struct (*this); }
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188 octave_base_value *empty_clone (void) const { return new octave_scalar_struct (); }
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189
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190 octave_value dotref (const octave_value_list& idx, bool auto_add = false);
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191
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192 octave_value subsref (const std::string& type,
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193 const std::list<octave_value_list>& idx);
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194
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195 octave_value_list subsref (const std::string& type,
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196 const std::list<octave_value_list>& idx, int);
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197
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198
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199 octave_value subsref (const std::string& type,
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200 const std::list<octave_value_list>& idx,
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201 bool auto_add);
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202
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203 static octave_value numeric_conv (const octave_value& val,
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204 const std::string& type);
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205
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206 octave_value subsasgn (const std::string& type,
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207 const std::list<octave_value_list>& idx,
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208 const octave_value& rhs);
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209
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210 octave_value squeeze (void) const { return map; }
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211
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212 octave_value permute (const Array<int>& vec, bool inv = false) const
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213 { return octave_map (map).permute (vec, inv); }
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214
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215 octave_value do_index_op (const octave_value_list& idx,
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216 bool resize_ok = false);
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217
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218 dim_vector dims (void) const { static dim_vector dv (1, 1); return dv; }
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219
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220 size_t byte_size (void) const;
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221
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222 // This is the number of elements in each field. The total number
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223 // of elements is numel () * nfields ().
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224 octave_idx_type numel (void) const
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225 {
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226 return 1;
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227 }
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228
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229 octave_idx_type nfields (void) const { return map.nfields (); }
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230
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231 octave_value reshape (const dim_vector& new_dims) const
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232 { return octave_map (map).reshape (new_dims); }
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233
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234 octave_value resize (const dim_vector& dv, bool fill = false) const
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235 { octave_map tmap = map; tmap.resize (dv, fill); return tmap; }
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236
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237 bool is_defined (void) const { return true; }
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238
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239 bool is_constant (void) const { return true; }
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240
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241 bool is_map (void) const { return true; }
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242
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243 builtin_type_t builtin_type (void) const { return btyp_struct; }
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244
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245 octave_map map_value (void) const { return map; }
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246
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247 octave_scalar_map scalar_map_value (void) const { return map; }
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248
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249 string_vector map_keys (void) const { return map.fieldnames (); }
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250
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251 void print (std::ostream& os, bool pr_as_read_syntax = false) const;
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252
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253 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
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254
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255 bool print_name_tag (std::ostream& os, const std::string& name) const;
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256
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257 bool save_ascii (std::ostream& os);
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258
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259 bool load_ascii (std::istream& is);
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260
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261 bool save_binary (std::ostream& os, bool& save_as_floats);
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262
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263 bool load_binary (std::istream& is, bool swap,
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264 oct_mach_info::float_format fmt);
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265
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266 #if defined (HAVE_HDF5)
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267 bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats);
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268
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269 bool load_hdf5 (hid_t loc_id, const char *name);
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270 #endif
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271
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272 mxArray *as_mxArray (void) const;
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273
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274 bool fast_elem_insert_self (void *where, builtin_type_t btyp) const;
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275
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276 protected:
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277
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278 // The associative array used to manage the structure data.
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279 octave_scalar_map map;
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280
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281 private:
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282
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283 octave_value to_array (void);
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284
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285 DECLARE_OCTAVE_ALLOCATOR
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286
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287 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
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288 };
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289
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290 #endif