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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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_base_value_h) |
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25 #define octave_base_value_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 <iostream> |
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30 #include <list> |
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31 #include <string> |
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32 |
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33 #if defined (HAVE_HDF5) |
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34 #include <hdf5.h> |
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35 #endif |
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36 |
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37 #include "Range.h" |
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38 #include "mx-base.h" |
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39 #include "str-vec.h" |
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40 |
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41 #include "error.h" |
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42 |
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43 class Cell; |
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44 class streamoff_array; |
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45 class Octave_map; |
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46 class octave_value; |
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47 class octave_value_list; |
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48 class octave_stream; |
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49 class octave_streamoff; |
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50 class octave_function; |
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51 class octave_user_function; |
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52 class octave_fcn_handle; |
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53 class octave_fcn_inline; |
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54 class octave_value_list; |
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55 class octave_lvalue; |
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56 |
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57 class tree_walker; |
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58 |
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59 // T_ID is the type id of struct objects, set by register_type(). |
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60 // T_NAME is the type name of struct objects. |
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61 #define DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA \ |
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62 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA2() |
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63 |
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64 #define DECLARE_OV_BASE_TYPEID_FUNCTIONS_AND_DATA \ |
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65 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA2(virtual) |
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66 |
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67 #define DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA2(VIRTUAL) \ |
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68 public: \ |
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69 VIRTUAL int type_id (void) const { return t_id; } \ |
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70 VIRTUAL std::string type_name (void) const { return t_name; } \ |
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71 VIRTUAL std::string class_name (void) const { return c_name; } \ |
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72 static int static_type_id (void) { return t_id; } \ |
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73 static std::string static_type_name (void) { return t_name; } \ |
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74 static std::string static_class_name (void) { return c_name; } \ |
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75 static void register_type (void); \ |
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76 \ |
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77 private: \ |
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78 static int t_id; \ |
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79 static const std::string t_name; \ |
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80 static const std::string c_name; |
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81 |
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82 |
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83 #define DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA(t, n, c) \ |
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84 int t::t_id (-1); \ |
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85 const std::string t::t_name (n); \ |
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86 const std::string t::c_name (c); \ |
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87 void t::register_type (void) \ |
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88 { \ |
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89 t_id = octave_value_typeinfo::register_type (t::t_name, \ |
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90 t::c_name, \ |
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91 octave_value (new t ())); \ |
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92 } |
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93 |
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94 // Should we print a warning when converting `[97, 98, 99, "123"]' |
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95 // to a character string? |
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96 extern bool Vwarn_num_to_str; |
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97 |
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98 // If TRUE, print a warning when a matrix is resized by an indexed |
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99 // assignment with indices outside the current bounds. |
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100 extern bool Vwarn_resize_on_range_error; |
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101 |
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102 // A base value type, so that derived types only have to redefine what |
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103 // they need (if they are derived from octave_base_value instead of |
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104 // octave_value). |
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105 |
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106 class |
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107 octave_base_value |
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108 { |
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109 public: |
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110 |
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111 typedef octave_base_value * (*type_conv_fcn) (const octave_base_value&); |
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112 |
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113 friend class octave_value; |
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114 |
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115 octave_base_value (void) : count (1) { } |
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116 |
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117 octave_base_value (const octave_base_value&) { } |
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118 |
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119 virtual ~octave_base_value (void) { } |
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120 |
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121 virtual octave_base_value * |
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122 clone (void) const { return new octave_base_value (*this); } |
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123 |
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124 virtual octave_base_value * |
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125 empty_clone (void) const { return new octave_base_value (); } |
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126 |
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127 virtual type_conv_fcn |
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128 numeric_conversion_function (void) const |
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129 { return static_cast<type_conv_fcn> (0); } |
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130 |
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131 virtual octave_value squeeze (void) const; |
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132 |
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133 virtual octave_base_value *try_narrowing_conversion (void) { return 0; } |
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134 |
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135 virtual octave_value |
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136 subsref (const std::string& type, |
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137 const std::list<octave_value_list>& idx); |
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138 |
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139 virtual octave_value_list |
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140 subsref (const std::string& type, |
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141 const std::list<octave_value_list>& idx, |
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142 int nargout); |
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143 |
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144 virtual octave_value |
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145 do_index_op (const octave_value_list& idx, int resize_ok); |
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146 |
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147 virtual octave_value |
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148 do_index_op (const octave_value_list& idx); |
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149 |
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150 virtual octave_value_list |
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151 do_multi_index_op (int nargout, const octave_value_list& idx); |
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152 |
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153 virtual octave_value |
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154 subsasgn (const std::string& type, |
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155 const std::list<octave_value_list>& idx, |
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156 const octave_value& rhs); |
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157 |
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158 virtual idx_vector index_vector (void) const; |
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159 |
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160 virtual dim_vector dims (void) const { return dim_vector (-1, -1); } |
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161 |
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162 octave_idx_type rows (void) const |
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163 { |
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164 dim_vector dv = dims (); |
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165 |
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166 return (dv.length () > 0) ? dv(0) : -1; |
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167 } |
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168 |
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169 octave_idx_type columns (void) const |
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170 { |
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171 dim_vector dv = dims (); |
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172 |
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173 return (dv.length () > 1) ? dv(1) : -1; |
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174 } |
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175 |
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176 virtual int ndims (void) const; |
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177 |
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178 virtual octave_idx_type numel (void) const { return dims ().numel (); } |
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179 |
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180 virtual octave_idx_type capacity (void) const { return numel (); } |
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181 |
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182 virtual size_t byte_size (void) const { return 0; } |
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183 |
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184 virtual octave_idx_type nnz (void) const; |
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185 |
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186 virtual octave_idx_type nzmax (void) const; |
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187 |
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188 virtual octave_value reshape (const dim_vector&) const; |
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189 |
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190 virtual octave_value permute (const Array<int>& vec, bool = false) const; |
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191 |
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192 virtual octave_value resize (const dim_vector&, bool fill = false) const; |
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193 |
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194 virtual bool is_defined (void) const { return false; } |
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195 |
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196 bool is_empty (void) const { return numel () == 0; } |
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197 |
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198 virtual bool is_cell (void) const { return false; } |
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199 |
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200 virtual bool is_real_scalar (void) const { return false; } |
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201 |
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202 virtual bool is_real_matrix (void) const { return false; } |
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203 |
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204 virtual bool is_real_nd_array (void) const { return false; } |
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205 |
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206 virtual bool is_complex_scalar (void) const { return false; } |
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207 |
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208 virtual bool is_complex_matrix (void) const { return false; } |
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209 |
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210 virtual bool is_bool_matrix (void) const { return false; } |
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211 |
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212 virtual bool is_char_matrix (void) const { return false; } |
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213 |
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214 virtual bool is_string (void) const { return false; } |
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215 |
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216 virtual bool is_sq_string (void) const { return false; } |
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217 |
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218 virtual bool is_range (void) const { return false; } |
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219 |
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220 virtual bool is_map (void) const { return false; } |
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221 |
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222 virtual bool is_streamoff (void) const { return false; } |
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223 |
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224 virtual bool is_cs_list (void) const { return false; } |
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225 |
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226 virtual bool is_list (void) const { return false; } |
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227 |
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228 virtual bool is_magic_colon (void) const { return false; } |
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229 |
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230 virtual bool is_all_va_args (void) const { return false; } |
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231 |
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232 virtual octave_value all (int = 0) const; |
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233 |
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234 virtual octave_value any (int = 0) const; |
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235 |
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236 virtual bool is_bool_type (void) const { return false; } |
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237 |
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238 virtual bool is_real_type (void) const { return false; } |
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239 |
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240 virtual bool is_complex_type (void) const { return false; } |
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241 |
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242 // Would be nice to get rid of the next four functions: |
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243 |
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244 virtual bool is_scalar_type (void) const { return false; } |
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245 |
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246 virtual bool is_matrix_type (void) const { return false; } |
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247 |
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248 virtual bool is_numeric_type (void) const { return false; } |
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249 |
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250 virtual bool is_sparse_type (void) const { return false; } |
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251 |
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252 virtual bool valid_as_scalar_index (void) const { return false; } |
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253 |
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254 virtual bool valid_as_zero_index (void) const { return false; } |
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255 |
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256 virtual bool is_true (void) const { return false; } |
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257 |
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258 virtual bool is_constant (void) const { return false; } |
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259 |
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260 virtual bool is_function_handle (void) const { return false; } |
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261 |
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262 virtual bool is_inline_function (void) const { return false; } |
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263 |
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264 virtual bool is_function (void) const { return false; } |
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265 |
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266 virtual bool is_builtin_function (void) const { return false; } |
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267 |
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268 virtual bool is_dld_function (void) const { return false; } |
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269 |
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270 virtual short int short_value (bool = false, bool = false) const; |
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271 |
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272 virtual unsigned short int ushort_value (bool = false, bool = false) const; |
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273 |
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274 virtual int int_value (bool = false, bool = false) const; |
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275 |
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276 virtual unsigned int uint_value (bool = false, bool = false) const; |
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277 |
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278 virtual int nint_value (bool = false) const; |
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279 |
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280 virtual long int long_value (bool = false, bool = false) const; |
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281 |
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282 virtual unsigned long int ulong_value (bool = false, bool = false) const; |
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283 |
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284 virtual double double_value (bool = false) const; |
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285 |
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286 virtual double scalar_value (bool frc_str_conv = false) const |
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287 { return double_value (frc_str_conv); } |
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288 |
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289 virtual Cell cell_value (void) const; |
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290 |
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291 virtual Matrix matrix_value (bool = false) const; |
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292 |
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293 virtual NDArray array_value (bool = false) const; |
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294 |
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295 virtual Complex complex_value (bool = false) const; |
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296 |
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297 virtual ComplexMatrix complex_matrix_value (bool = false) const; |
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298 |
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299 virtual ComplexNDArray complex_array_value (bool = false) const; |
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300 |
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301 virtual bool bool_value (void) const; |
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302 |
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303 virtual boolMatrix bool_matrix_value (void) const; |
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304 |
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305 virtual boolNDArray bool_array_value (void) const; |
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306 |
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307 virtual charMatrix char_matrix_value (bool force = false) const; |
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308 |
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309 virtual charNDArray char_array_value (bool = false) const; |
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310 |
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311 virtual SparseMatrix sparse_matrix_value (bool = false) const; |
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312 |
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313 virtual SparseComplexMatrix sparse_complex_matrix_value (bool = false) const; |
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314 |
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315 virtual SparseBoolMatrix sparse_bool_matrix_value (bool = false) const; |
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316 |
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317 virtual octave_int8 int8_scalar_value (void) const; |
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318 |
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319 virtual octave_int16 int16_scalar_value (void) const; |
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320 |
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321 virtual octave_int32 int32_scalar_value (void) const; |
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322 |
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323 virtual octave_int64 int64_scalar_value (void) const; |
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324 |
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325 virtual octave_uint8 uint8_scalar_value (void) const; |
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326 |
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327 virtual octave_uint16 uint16_scalar_value (void) const; |
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328 |
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329 virtual octave_uint32 uint32_scalar_value (void) const; |
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330 |
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331 virtual octave_uint64 uint64_scalar_value (void) const; |
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332 |
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333 virtual int8NDArray int8_array_value (void) const; |
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334 |
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335 virtual int16NDArray int16_array_value (void) const; |
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336 |
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337 virtual int32NDArray int32_array_value (void) const; |
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338 |
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339 virtual int64NDArray int64_array_value (void) const; |
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340 |
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341 virtual uint8NDArray uint8_array_value (void) const; |
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342 |
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343 virtual uint16NDArray uint16_array_value (void) const; |
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344 |
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345 virtual uint32NDArray uint32_array_value (void) const; |
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346 |
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347 virtual uint64NDArray uint64_array_value (void) const; |
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348 |
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349 virtual string_vector all_strings (bool pad = false) const; |
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350 |
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351 virtual std::string string_value (bool force = false) const; |
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352 |
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353 virtual Range range_value (void) const; |
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354 |
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355 virtual Octave_map map_value (void) const; |
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356 |
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357 virtual string_vector map_keys (void) const; |
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358 |
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359 virtual std::streamoff streamoff_value (void) const; |
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360 |
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361 virtual streamoff_array streamoff_array_value (void) const; |
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362 |
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363 virtual octave_function *function_value (bool silent = false); |
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364 |
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365 virtual octave_user_function *user_function_value (bool silent = false); |
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366 |
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367 virtual octave_fcn_handle *fcn_handle_value (bool silent = false); |
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368 |
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369 virtual octave_fcn_inline *fcn_inline_value (bool silent = false); |
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370 |
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371 virtual octave_value_list list_value (void) const; |
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372 |
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373 virtual octave_value convert_to_str (bool pad = false, bool force = false, |
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374 char type = '"') const; |
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375 virtual octave_value |
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376 convert_to_str_internal (bool pad, bool force, char type) const; |
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377 |
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378 virtual void convert_to_row_or_column_vector (void); |
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379 |
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380 virtual bool print_as_scalar (void) const { return false; } |
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381 |
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382 virtual void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
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383 |
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384 virtual void |
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385 print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; |
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386 |
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387 virtual bool |
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388 print_name_tag (std::ostream& os, const std::string& name) const; |
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389 |
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390 virtual void |
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391 print_with_name (std::ostream& output_buf, const std::string& name, |
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392 bool print_padding = true) const; |
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393 |
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394 virtual void print_info (std::ostream& os, const std::string& prefix) const; |
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395 |
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396 virtual bool save_ascii (std::ostream& os, bool& infnan_warned, |
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397 bool strip_nan_and_inf); |
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398 |
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399 virtual bool load_ascii (std::istream& is); |
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400 |
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401 virtual bool save_binary (std::ostream& os, bool& save_as_floats); |
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402 |
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403 virtual bool load_binary (std::istream& is, bool swap, |
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404 oct_mach_info::float_format fmt); |
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405 |
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406 #if defined (HAVE_HDF5) |
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407 virtual bool |
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408 save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats); |
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409 |
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410 virtual bool |
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411 load_hdf5 (hid_t loc_id, const char *name, bool have_h5giterate_bug); |
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412 #endif |
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413 |
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414 virtual int |
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415 write (octave_stream& os, int block_size, |
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416 oct_data_conv::data_type output_type, int skip, |
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417 oct_mach_info::float_format flt_fmt) const; |
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418 |
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419 protected: |
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420 |
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421 // This should only be called for derived types. |
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422 |
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423 octave_value numeric_assign (const std::string& type, |
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424 const std::list<octave_value_list>& idx, |
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425 const octave_value& rhs); |
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426 |
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427 void reset_indent_level (void) const |
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428 { curr_print_indent_level = 0; } |
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429 |
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430 void increment_indent_level (void) const |
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431 { curr_print_indent_level += 2; } |
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432 |
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433 void decrement_indent_level (void) const |
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434 { curr_print_indent_level -= 2; } |
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435 |
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436 int current_print_indent_level (void) const |
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437 { return curr_print_indent_level; } |
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438 |
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439 void indent (std::ostream& os) const; |
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440 |
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441 void newline (std::ostream& os) const; |
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442 |
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443 void reset (void) const; |
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444 |
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445 // A reference count. |
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446 int count; |
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4944
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447 |
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2376
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448 private: |
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449 |
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450 static int curr_print_indent_level; |
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451 static bool beginning_of_line; |
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452 |
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453 DECLARE_OV_BASE_TYPEID_FUNCTIONS_AND_DATA |
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454 }; |
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455 |
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456 #endif |
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457 |
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458 /* |
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459 ;;; Local Variables: *** |
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460 ;;; mode: C++ *** |
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461 ;;; End: *** |
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462 */ |
