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annotate libinterp/parse-tree/pt-tm-const.h @ 30564:796f54d4ddbf stable

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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2021. In all .txi and .texi files except gpl.txi and gpl.texi in the doc/liboctave and doc/interpreter directories, change the copyright to "Octave Project Developers", the same as used for other source files. Update copyright notices for 2022 (not done since 2019). For gpl.txi and gpl.texi, change the copyright notice to be "Free Software Foundation, Inc." and leave the date at 2007 only because this file only contains the text of the GPL, not anything created by the Octave Project Developers. Add Paul Thomas to contributors.in.
author John W. Eaton <jwe@octave.org>
date Tue, 28 Dec 2021 18:22:40 -0500
parents aef11bb4e6d1
children e88a07dec498
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1996-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_pt_tm_const_h)
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27 #define octave_pt_tm_const_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <list>
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32 #include <memory>
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33 #include <string>
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34
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35 #include "Array.h"
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36 #include "Sparse.h"
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37
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38 #include "data.h"
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39 #include "dim-vector.h"
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40 #include "oct-map.h"
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41 #include "ov.h"
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42 #include "ovl.h"
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43 #include "pt-arg-list.h"
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44 #include "pt-mat.h"
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45
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46 namespace octave
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47 {
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48 class tree_evaluator;
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49
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50 // Evaluate tree_matrix objects and convert them to octave_value
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51 // arrays (full and sparse numeric, char, cell, struct, class and
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52 // anything else that works like an array). Use a separate class
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53 // (tm_const) and pass the evaluator object to it instead of doing
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54 // all this work in tree_evaluator::visit_matrix because the job is
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55 // fairly large and requires extra data (stored in the tm_info
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56 // class) for each row and for the overall array.
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57
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58 // Evaluate all elements of the array, recording info about each
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59 // row, then create summary info for the full array. Compute the
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60 // result type and dimension first before copying values.
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61
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62 // FIXME: Handle overloading of horzcat and vertcat for for built-in
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63 // types.
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64
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65 // Summary info about the current row or matrix.
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66
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67 class tm_info
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68 {
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69 public:
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70
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71 tm_info (bool obj_is_empty)
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72 : m_dv (0, 0), m_all_strings (true), m_all_sq_strings (true),
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73 m_all_dq_strings (true), m_some_strings (false),
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74 m_all_real (true), m_all_complex (true), m_all_empty (true),
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75 m_any_cell (false), m_any_sparse (false),
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76 m_any_class (false), m_all_1x1 (! obj_is_empty),
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77 m_first_elem_is_struct (false), m_class_name ()
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78 { }
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79
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80 dim_vector dims (void) const { return m_dv; }
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81
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82 octave_idx_type rows (void) const { return m_dv(0); }
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83 octave_idx_type cols (void) const { return m_dv(1); }
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84
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85 bool all_strings_p (void) const { return m_all_strings; }
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86 bool all_sq_strings_p (void) const { return m_all_sq_strings; }
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87 bool all_dq_strings_p (void) const { return m_all_dq_strings; }
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88 bool some_strings_p (void) const { return m_some_strings; }
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89 bool all_real_p (void) const { return m_all_real; }
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90 bool all_complex_p (void) const { return m_all_complex; }
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91 bool all_empty_p (void) const { return m_all_empty; }
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92 bool any_cell_p (void) const { return m_any_cell; }
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93 bool any_sparse_p (void) const { return m_any_sparse; }
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94 bool any_class_p (void) const { return m_any_class; }
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95 bool all_1x1_p (void) const { return m_all_1x1; }
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96 bool first_elem_struct_p (void) const { return m_first_elem_is_struct; }
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97
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98 std::string class_name (void) const { return m_class_name; }
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99
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100 protected:
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101
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102 // Size of this row or matrix after evaluation.
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103 dim_vector m_dv;
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104
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105 // Are all elements character strings?
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106 bool m_all_strings;
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107
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108 // Are all elements double-quoted character strings?
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109 bool m_all_sq_strings;
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110
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111 // Are all elements single-quoted character strings?
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112 bool m_all_dq_strings;
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113
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114 // Are any elements character strings?
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115 bool m_some_strings;
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116
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117 // Are all elements real valued?
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118 bool m_all_real;
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119
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120 // Are all elements complex valued?
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121 bool m_all_complex;
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122
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123 // Are all elements empty?
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124 bool m_all_empty;
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125
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126 // Are any elements cells?
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127 bool m_any_cell;
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128
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129 // Are any elements sparse arrays?
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130 bool m_any_sparse;
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131
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132 // Are any elements sparse class objects?
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133 bool m_any_class;
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134
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135 // Do all elements have dimensions 1x1?
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136 bool m_all_1x1;
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137
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138 // Is the first element a struct?
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139 bool m_first_elem_is_struct;
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140
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141 // Class name of result.
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142 std::string m_class_name;
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143 };
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144
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145 class tm_row_const : public tm_info
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146 {
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147 public:
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148
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149 typedef std::list<octave_value>::iterator iterator;
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150 typedef std::list<octave_value>::const_iterator const_iterator;
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151
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152 tm_row_const (void) = delete;
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153
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154 tm_row_const (const tree_argument_list& row, tree_evaluator& tw)
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155 : tm_info (row.empty ()), m_values ()
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156 {
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157 init (row, tw);
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158 }
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159
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160 tm_row_const (const tm_row_const&) = default;
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161
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162 tm_row_const& operator = (const tm_row_const&) = delete;
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163
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164 ~tm_row_const (void) = default;
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165
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166 iterator begin (void) { return m_values.begin (); }
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167 const_iterator begin (void) const { return m_values.begin (); }
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168
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169 iterator end (void) { return m_values.end (); }
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170 const_iterator end (void) const { return m_values.end (); }
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171
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172 bool empty (void) const { return m_values.empty (); }
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173
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174 std::size_t length (void) const { return m_values.size (); }
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175
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176 void cellify (void);
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177
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178 private:
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179
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180 std::list<octave_value> m_values;
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181
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182 void init_element (const octave_value&, bool&);
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183
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184 void init (const tree_argument_list&, tree_evaluator& tw);
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185 };
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186
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187 class tm_const : public tm_info
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188 {
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189 public:
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190
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191 typedef std::list<tm_row_const>::iterator iterator;
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192 typedef std::list<tm_row_const>::const_iterator const_iterator;
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193
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194 tm_const (void) = delete;
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195
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196 tm_const (const tree_matrix& tm, tree_evaluator& tw)
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197 : tm_info (tm.empty ()), m_evaluator (tw), m_tm_rows ()
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198 {
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199 init (tm);
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200 }
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201
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202 // No copying!
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203
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204 tm_const (const tm_const&) = delete;
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205
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206 tm_const& operator = (const tm_const&) = delete;
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207
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208 ~tm_const (void) = default;
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209
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210 octave_value concat (char string_fill_char) const;
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211
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212 private:
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213
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214 tree_evaluator& m_evaluator;
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215
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216 // The list of lists of octave_value objects that contain the
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217 // values of elements in each row of the tree_matrix object we are
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218 // evaluating.
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219
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220 std::list<tm_row_const> m_tm_rows;
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221
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222 void init (const tree_matrix& tm);
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223
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224 octave_value char_array_concat (char string_fill_char) const;
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225
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226 octave_value class_concat (void) const;
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227
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228 octave_value generic_concat (void) const;
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229
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230 template <typename TYPE>
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231 void array_concat_internal (TYPE& result) const;
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232
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233 template <typename TYPE>
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234 TYPE array_concat (void) const;
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235
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236 template <typename TYPE>
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237 TYPE sparse_array_concat (void) const;
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238
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239 template <typename MAP>
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240 octave_map map_concat (void) const;
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241 };
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242 }
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243
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244 #endif