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annotate libinterp/octave-value/ov-cell.h @ 17870:1d2e709bbbda

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rework short_disp methods * ov.h (octave_value::short_disp): Pass std::ostream as argument instead of returning std::string. Change all uses. * ov-base.h (octave_base_value::short_disp): Likewise. Change all derived classes. * ov-base-scalar.cc (octave_base_scalar<ST>::short_disp): Strip leading whitepace from number. * ov-base-mat.cc (octave_base_matrix<MT>::short_disp): Strip leading whitepace from numbers.
author John W. Eaton <jwe@octave.org>
date Thu, 07 Nov 2013 00:52:48 -0500
parents ea0ecbe2eaf5
children bcd71a2531d3
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1 /*
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2
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3 Copyright (C) 1999-2013 John W. Eaton
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4 Copyright (C) 2009-2010 VZLU Prague
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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_ov_cell_h)
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25 #define octave_ov_cell_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 #include <memory>
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32
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33 #include "mx-base.h"
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34 #include "oct-alloc.h"
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35 #include "str-vec.h"
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36
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37 #include "Cell.h"
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38 #include "error.h"
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39 #include "ov-base-mat.h"
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40 #include "ov-typeinfo.h"
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41
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42 class octave_value_list;
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43
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44 class tree_walker;
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45
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46 // Cells.
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47
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48 class
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49 octave_cell : public octave_base_matrix<Cell>
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50 {
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51 public:
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52
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53 octave_cell (void)
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54 : octave_base_matrix<Cell> (), cellstr_cache () { }
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55
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56 octave_cell (const Cell& c)
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57 : octave_base_matrix<Cell> (c), cellstr_cache () { }
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58
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59 octave_cell (const Array<std::string>& str)
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60 : octave_base_matrix<Cell> (Cell (str)),
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61 cellstr_cache (new Array<std::string> (str)) { }
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62
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63 octave_cell (const octave_cell& c)
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64 : octave_base_matrix<Cell> (c), cellstr_cache () { }
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65
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66 ~octave_cell (void) { }
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67
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68 octave_base_value *clone (void) const { return new octave_cell (*this); }
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69 octave_base_value *empty_clone (void) const { return new octave_cell (); }
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70
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71 #if 0
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72 octave_base_value *try_narrowing_conversion (void);
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73 #endif
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74
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75 octave_value subsref (const std::string& type,
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76 const std::list<octave_value_list>& idx)
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77 {
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78 octave_value_list tmp = subsref (type, idx, 1);
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79 return tmp.length () > 0 ? tmp(0) : octave_value ();
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80 }
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81
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82 octave_value_list subsref (const std::string& type,
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83 const std::list<octave_value_list>& idx,
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84 int nargout)
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85 {
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86 return subsref (type, idx, nargout, 0);
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87 }
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88
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89 octave_value_list subsref (const std::string& type,
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90 const std::list<octave_value_list>& idx,
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91 int nargout,
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92 const std::list<octave_lvalue> *lvalue_list);
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93
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94 octave_value subsref (const std::string& type,
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95 const std::list<octave_value_list>& idx,
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96 bool auto_add);
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97
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98 octave_value subsasgn (const std::string& type,
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99 const std::list<octave_value_list>& idx,
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100 const octave_value& rhs);
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101
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102 void assign (const octave_value_list& idx, const Cell& rhs);
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103
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104 void assign (const octave_value_list& idx, const octave_value& rhs);
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105
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106 void delete_elements (const octave_value_list& idx);
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107
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108 size_t byte_size (void) const;
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109
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110 octave_value sort (octave_idx_type dim = 0, sortmode mode = ASCENDING) const;
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111
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112 octave_value sort (Array<octave_idx_type> &sidx, octave_idx_type dim = 0,
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113 sortmode mode = ASCENDING) const;
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114
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115 sortmode is_sorted (sortmode mode = UNSORTED) const;
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116
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117 Array<octave_idx_type> sort_rows_idx (sortmode mode = ASCENDING) const;
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118
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119 sortmode is_sorted_rows (sortmode mode = UNSORTED) const;
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120
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121 bool is_matrix_type (void) const { return false; }
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122
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123 bool is_numeric_type (void) const { return false; }
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124
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125 bool is_defined (void) const { return true; }
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126
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127 bool is_constant (void) const { return true; }
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128
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129 bool is_cell (void) const { return true; }
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130
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131 builtin_type_t builtin_type (void) const { return btyp_cell; }
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132
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133 bool is_cellstr (void) const;
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134
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135 bool is_true (void) const;
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136
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137 Cell cell_value (void) const { return matrix; }
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138
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139 octave_value_list list_value (void) const;
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140
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141 octave_value convert_to_str_internal (bool pad, bool, char type) const
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142 { return octave_value (all_strings (pad), type); }
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143
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144 string_vector all_strings (bool pad = false) const;
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145
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146 Array<std::string> cellstr_value (void) const;
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147
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148 bool print_as_scalar (void) const;
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149
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150 void print (std::ostream& os, bool pr_as_read_syntax = false) const;
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151
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152 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
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153
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154 void short_disp (std::ostream& os) const;
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155
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156 bool save_ascii (std::ostream& os);
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157
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158 bool load_ascii (std::istream& is);
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159
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160 bool save_binary (std::ostream& os, bool& save_as_floats);
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161
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162 bool load_binary (std::istream& is, bool swap,
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163 oct_mach_info::float_format fmt);
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164
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165 #if defined (HAVE_HDF5)
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166 bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats);
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167
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168 bool load_hdf5 (hid_t loc_id, const char *name);
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169 #endif
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170
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171 octave_value map (unary_mapper_t umap) const;
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172
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173 mxArray *as_mxArray (void) const;
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174
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175 // Unsafe. This function exists to support the MEX interface.
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176 // You should not use it anywhere else.
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177 void *mex_get_data (void) const;
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178
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179 private:
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180
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181 void clear_cellstr_cache (void) const
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182 { cellstr_cache.reset (); }
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183
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184 mutable std::auto_ptr<Array<std::string> > cellstr_cache;
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185
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186 DECLARE_OCTAVE_ALLOCATOR
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187
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188 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
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189 };
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190
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191 #endif