annotate src/pt-const.h @ 1731:c43d042f20be

[project @ 1996-01-10 10:37:09 by jwe]
author jwe
date Wed, 10 Jan 1996 10:37:58 +0000
parents 42b4f904f1af
children fe9d3b2ded26
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1 // tree-const.h -*- C++ -*-
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2 /*
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3
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4 Copyright (C) 1992, 1993, 1994, 1995 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 2, or (at your option) any
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11 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, write to the Free
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20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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21
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22 */
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23
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24 #if !defined (octave_tree_const_h)
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25 #define octave_tree_const_h 1
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27 #if defined (__GNUG__)
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28 #pragma interface
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29 #endif
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30
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31 #include <cstdlib>
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32
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33 #include <string>
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34
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35 #include <iostream.h>
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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
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40 #include "oct-obj.h"
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41 #include "tree-base.h"
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42 #include "tree-expr.h"
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43
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44 class idx_vector;
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45 class Octave_map;
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46
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47 struct Mapper_fcn;
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48
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49 // Constants.
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50
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51 class
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52 tree_constant : public tree_fvc
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53 {
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54 private:
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55
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56 // The actual representation of the tree_constant.
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57
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58 class
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59 tree_constant_rep
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60 {
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61 friend class tree_constant;
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62
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63 private:
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64
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65 enum constant_type
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66 {
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67 unknown_constant,
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68 scalar_constant,
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69 matrix_constant,
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70 complex_scalar_constant,
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71 complex_matrix_constant,
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72 char_matrix_constant,
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73 char_matrix_constant_str,
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74 range_constant,
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75 map_constant,
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76 magic_colon,
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77 all_va_args,
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78 };
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79
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80 enum force_orient
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81 {
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82 no_orient,
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83 row_orient,
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84 column_orient,
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85 };
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86
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87 tree_constant_rep (void);
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88
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89 tree_constant_rep (double d);
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90 tree_constant_rep (const Matrix& m);
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91 tree_constant_rep (const DiagMatrix& d);
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92 tree_constant_rep (const RowVector& v, int pcv);
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93 tree_constant_rep (const ColumnVector& v, int pcv);
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94
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95 tree_constant_rep (const Complex& c);
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96 tree_constant_rep (const ComplexMatrix& m);
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97 tree_constant_rep (const ComplexDiagMatrix& d);
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98 tree_constant_rep (const ComplexRowVector& v, int pcv);
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99 tree_constant_rep (const ComplexColumnVector& v, int pcv);
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100
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101 tree_constant_rep (const char *s);
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102 tree_constant_rep (const string& s);
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103 tree_constant_rep (const charMatrix& chm, int is_string);
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104
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105 tree_constant_rep (double base, double limit, double inc);
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106 tree_constant_rep (const Range& r);
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107
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108 tree_constant_rep (const Octave_map& m);
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109
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110 tree_constant_rep (tree_constant_rep::constant_type t);
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111
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112 tree_constant_rep (const tree_constant_rep& t);
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113
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114 ~tree_constant_rep (void);
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115
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116 void *operator new (size_t size);
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117 void operator delete (void *p, size_t size);
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118
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119 int rows (void) const;
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120 int columns (void) const;
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121
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122 int is_defined (void) const
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123 { return type_tag != unknown_constant; }
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124
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125 int is_undefined (void) const
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126 { return type_tag == unknown_constant; }
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127
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128 int is_unknown (void) const
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129 { return type_tag == unknown_constant; }
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130
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131 int is_real_scalar (void) const
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132 { return type_tag == scalar_constant; }
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133
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134 int is_real_matrix (void) const
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135 { return type_tag == matrix_constant; }
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136
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137 int is_complex_scalar (void) const
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138 { return type_tag == complex_scalar_constant; }
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139
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140 int is_complex_matrix (void) const
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141 { return type_tag == complex_matrix_constant; }
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142
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143 int is_char_matrix (void) const
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144 { return type_tag == char_matrix_constant; }
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145
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146 int is_string (void) const
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147 { return type_tag == char_matrix_constant_str; }
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148
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149 int is_range (void) const
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150 { return type_tag == range_constant; }
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151
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152 int is_map (void) const
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153 { return type_tag == map_constant; }
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154
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155 int is_magic_colon (void) const
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156 { return type_tag == magic_colon; }
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157
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158 int is_all_va_args (void) const
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159 { return type_tag == all_va_args; }
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160
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161 tree_constant all (void) const;
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162 tree_constant any (void) const;
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163
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164 int is_real_type (void) const
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165 {
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166 return (type_tag == scalar_constant
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167 || type_tag == matrix_constant
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168 || type_tag == range_constant
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169 || type_tag == char_matrix_constant
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170 || type_tag == char_matrix_constant_str);
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171 }
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172
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173 int is_complex_type (void) const
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174 {
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175 return (type_tag == complex_matrix_constant
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176 || type_tag == complex_scalar_constant);
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177 }
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178
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179 // Would be nice to get rid of the next four functions:
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180
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181 int is_scalar_type (void) const
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182 {
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183 return (type_tag == scalar_constant
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184 || type_tag == complex_scalar_constant);
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185 }
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186
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187 int is_matrix_type (void) const
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188 {
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189 return (type_tag == matrix_constant
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190 || type_tag == complex_matrix_constant);
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191 }
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192
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193 int is_numeric_type (void) const
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194 {
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195 return (type_tag == scalar_constant
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196 || type_tag == matrix_constant
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197 || type_tag == complex_matrix_constant
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198 || type_tag == complex_scalar_constant);
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199 }
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200
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201 int valid_as_scalar_index (void) const;
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202 int valid_as_zero_index (void) const;
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203
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204 int is_true (void) const;
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205
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206 int is_empty (void) const
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207 {
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208 return ((! (is_magic_colon ()
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209 || is_all_va_args ()
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210 || is_unknown ()))
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211 && (rows () == 0
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212 || columns () == 0));
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213 }
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214
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215 double double_value (int frc_str_conv = 0) const;
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216 Matrix matrix_value (int frc_str_conv = 0) const;
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217 Complex complex_value (int frc_str_conv = 0) const;
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218 ComplexMatrix complex_matrix_value (int frc_str_conv = 0) const;
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219 charMatrix char_matrix_value (int frc_str_conv = 0) const;
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220 charMatrix all_strings (void) const;
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221 string string_value (void) const;
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222 Range range_value (void) const;
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223 Octave_map map_value (void) const;
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224
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225 tree_constant& lookup_map_element (const char *name, int insert = 0,
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226 int silent = 0);
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227
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228 ColumnVector vector_value (int frc_str_conv = 0,
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229 int frc_vec_conv = 0) const;
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230
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231 ComplexColumnVector complex_vector_value (int frc_str_conv = 0,
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232 int frc_vec_conv = 0) const;
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233
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234 tree_constant convert_to_str (void) const;
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235
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236 void convert_to_row_or_column_vector (void);
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237
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238 void bump_value (tree_expression::type);
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239
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240 void resize (int i, int j);
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241 void resize (int i, int j, double val);
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242
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243 void stash_original_text (char *s);
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244
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245 void maybe_mutate (void);
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246
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247 void print (void);
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248 void print (ostream& os);
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249
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250 void print_code (ostream& os);
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251
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252 void gripe_wrong_type_arg (const char *name,
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253 const tree_constant_rep& tcr) const;
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254
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255 char *type_as_string (void) const;
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256
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257 // Binary and unary operations.
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258
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259 friend tree_constant do_binary_op (tree_constant& a, tree_constant& b,
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260 tree_expression::type t);
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261
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262 friend tree_constant do_unary_op (tree_constant& a,
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263 tree_expression::type t);
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264
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265 // We want to eliminate this.
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266
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267 constant_type const_type (void) const { return type_tag; }
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268
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269 // We want to get rid of these too:
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270
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271 void force_numeric (int frc_str_conv = 0);
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272 tree_constant make_numeric (int frc_str_conv = 0) const;
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273
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274 // But not this.
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275
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276 void convert_to_matrix_type (int make_complex);
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277
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278 // Indexing and assignment.
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279
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280 void clear_index (void);
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281
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282 // void set_index (double d);
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283 void set_index (const Range& r);
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284 void set_index (const ColumnVector& v);
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285 void set_index (const Matrix& m);
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286 void set_index (char c);
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287
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288 void set_index (const Octave_object& args, int rhs_is_complex = 0);
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289
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290 tree_constant do_index (const Octave_object& args);
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291
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292 void maybe_widen (constant_type t);
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293
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294 void assign (tree_constant& rhs, const Octave_object& args);
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295
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296 // Data.
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297
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298 union
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299 {
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300 double scalar; // A real scalar constant.
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301 Matrix *matrix; // A real matrix constant.
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302 Complex *complex_scalar; // A real scalar constant.
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303 ComplexMatrix *complex_matrix; // A real matrix constant.
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304 charMatrix *char_matrix; // A character string constant.
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305 Range *range; // A set of evenly spaced values.
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306 Octave_map *a_map; // An associative array.
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307
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308 tree_constant_rep *freeptr; // For custom memory management.
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309 };
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310
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311 constant_type type_tag;
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312
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313 int count;
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314
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315 char *orig_text;
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316 };
620
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317
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318 union
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319 {
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320 tree_constant *freeptr; // For custom memory management.
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321 tree_constant_rep *rep; // The real representation.
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322 };
1
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323
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324 public:
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325
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326 enum magic_colon { magic_colon_t };
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327 enum all_va_args { all_va_args_t };
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328
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329 // Constructors. It is possible to create the following types of
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330 // constants:
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331 //
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332 // constant type constructor arguments
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333 // ------------- ---------------------
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334 // unknown none
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335 // real scalar double
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336 // real matrix Matrix
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337 // DiagMatrix
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338 // RowVector
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339 // ColumnVector
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340 // complex scalar Complex
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341 // complex matrix ComplexMatrix
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342 // ComplexDiagMatrix
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343 // ComplexRowVector
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344 // ComplexColumnVector
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345 // char matrix charMatrix
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346 // string char* (null terminated)
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347 // string
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348 // charMatrix
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349 // range double, double, double
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350 // Range
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351 // map Octave_map
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352 // magic colon tree_constant::magic_colon
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353 // all_va_args tree_constant::all_va_args
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354
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355 tree_constant (void) : tree_fvc ()
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356 { rep = new tree_constant_rep (); rep->count = 1; }
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357
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358 tree_constant (double d, int l = -1, int c = -1) : tree_fvc (l, c)
1
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359 { rep = new tree_constant_rep (d); rep->count = 1; }
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360
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361 tree_constant (const Matrix& m) : tree_fvc ()
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362 { rep = new tree_constant_rep (m); rep->count = 1; }
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363
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364 tree_constant (const DiagMatrix& d) : tree_fvc ()
1
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365 { rep = new tree_constant_rep (d); rep->count = 1; }
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366
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367 tree_constant (const RowVector& v, int pcv = -1) : tree_fvc ()
1
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368 { rep = new tree_constant_rep (v, pcv); rep->count = 1; }
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369
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370 tree_constant (const ColumnVector& v, int pcv = -1) : tree_fvc ()
1
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371 { rep = new tree_constant_rep (v, pcv); rep->count = 1; }
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372
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373 tree_constant (const Complex& C, int l = -1, int c = -1) : tree_fvc (l, c)
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374 { rep = new tree_constant_rep (C); rep->count = 1; }
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375
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376 tree_constant (const ComplexMatrix& m) : tree_fvc ()
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377 { rep = new tree_constant_rep (m); rep->count = 1; }
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378
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379 tree_constant (const ComplexDiagMatrix& d) : tree_fvc ()
1
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380 { rep = new tree_constant_rep (d); rep->count = 1; }
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381
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382 tree_constant (const ComplexRowVector& v, int pcv = -1) : tree_fvc ()
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383 { rep = new tree_constant_rep (v, pcv); rep->count = 1; }
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384
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385 tree_constant (const ComplexColumnVector& v, int pcv = -1) : tree_fvc ()
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386 { rep = new tree_constant_rep (v, pcv); rep->count = 1; }
1
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387
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388 tree_constant (const char *s, int l = -1, int c = -1) : tree_fvc (l, c)
1
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389 { rep = new tree_constant_rep (s); rep->count = 1; }
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390
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391 tree_constant (const string& s, int l = -1, int c = -1) : tree_fvc (l, c)
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392 { rep = new tree_constant_rep (s); rep->count = 1; }
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393
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394 tree_constant (const charMatrix& chm, int is_string = 0) : tree_fvc ()
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395 { rep = new tree_constant_rep (chm, is_string); rep->count = 1; }
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396
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397 tree_constant (double base, double limit, double inc) : tree_fvc ()
1
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398 { rep = new tree_constant_rep (base, limit, inc); rep->count = 1; }
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399
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400 tree_constant (const Range& r) : tree_fvc ()
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401 { rep = new tree_constant_rep (r); rep->count = 1; }
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402
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403 tree_constant (const Octave_map& m) : tree_fvc ()
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404 { rep = new tree_constant_rep (m); rep->count = 1; }
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405
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406 tree_constant (tree_constant::magic_colon) : tree_fvc ()
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407 {
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408 tree_constant_rep::constant_type tmp;
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409 tmp = tree_constant_rep::magic_colon;
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410 rep = new tree_constant_rep (tmp);
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411 rep->count = 1;
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412 }
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413
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414 tree_constant (tree_constant::all_va_args) : tree_fvc ()
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415 {
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416 tree_constant_rep::constant_type tmp;
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417 tmp = tree_constant_rep::all_va_args;
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418 rep = new tree_constant_rep (tmp);
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419 rep->count = 1;
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420 }
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421
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422 // Copy constructor.
1
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423
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424 tree_constant (const tree_constant& a) : tree_fvc ()
1
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425 { rep = a.rep; rep->count++; }
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426
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427 // Delete the representation of this constant if the count drops to
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428 // zero.
620
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429
1
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430 ~tree_constant (void);
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431
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432 void *operator new (size_t size);
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433 void operator delete (void *p, size_t size);
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434
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435 // Simple assignment.
620
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436
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437 tree_constant operator = (const tree_constant& a);
1
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438
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439 // Indexed assignment.
1
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440
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441 tree_constant assign (tree_constant& rhs, const Octave_object& args)
1
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442 {
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443 if (rep->count > 1)
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444 {
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445 --rep->count;
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446 rep = new tree_constant_rep (*rep);
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447 rep->count = 1;
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448 }
1004
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449
506
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450 rep->assign (rhs, args);
1004
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451
1
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452 return *this;
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453 }
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454
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455 // Simple structure assignment.
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456
782
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457 tree_constant assign_map_element (SLList<char*>& list,
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458 tree_constant& rhs);
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459
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460 // Indexed structure assignment.
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461
782
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462 tree_constant assign_map_element (SLList<char*>& list,
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463 tree_constant& rhs,
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464 const Octave_object& args);
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465
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466 // Type. It would be nice to eliminate the need for this.
620
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467
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468 int is_constant (void) const { return 1; }
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469
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470 // Size.
620
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471
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472 int rows (void) const { return rep->rows (); }
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parents: 610
diff changeset
473 int columns (void) const { return rep->columns (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
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parents: 610
diff changeset
474
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
475 // Does this constant have a type? Both of these are provided since
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
476 // it is sometimes more natural to write is_undefined() instead of
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
477 // ! is_defined().
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
478
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
479 int is_defined (void) const { return rep->is_defined (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
480 int is_undefined (void) const { return rep->is_undefined (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
481
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
482 // Is this constant a particular type, or does it belong to a
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
483 // particular class of types?
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
484
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
485 int is_unknown (void) const { return rep->is_unknown (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
486 int is_real_scalar (void) const { return rep->is_real_scalar (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
487 int is_real_matrix (void) const { return rep->is_real_matrix (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
488 int is_complex_scalar (void) const { return rep->is_complex_scalar (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
489 int is_complex_matrix (void) const { return rep->is_complex_matrix (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
490 int is_string (void) const { return rep->is_string (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
491 int is_range (void) const { return rep->is_range (); }
747
6182de8cb3b7 [project @ 1994-09-30 15:09:36 by jwe]
jwe
parents: 650
diff changeset
492 int is_map (void) const { return rep->is_map (); }
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
493 int is_magic_colon (void) const { return rep->is_magic_colon (); }
922
708827b941b4 [project @ 1994-11-14 22:14:13 by jwe]
jwe
parents: 878
diff changeset
494 int is_all_va_args (void) const { return rep->is_all_va_args (); }
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
495
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
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parents: 1487
diff changeset
496 // Are any or all of the elements in this constant nonzero?
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
497
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
498 tree_constant all (void) const { return rep->all (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
499 tree_constant any (void) const { return rep->any (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
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parents: 610
diff changeset
500
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
501 // Other type stuff.
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
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parents: 1487
diff changeset
502
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
503 int is_real_type (void) const { return rep->is_real_type (); }
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
504
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
505 int is_complex_type (void) const { return rep->is_complex_type (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
506
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
507 int is_scalar_type (void) const { return rep->is_scalar_type (); }
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
508 int is_matrix_type (void) const { return rep->is_matrix_type (); }
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
509
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
510 int is_numeric_type (void) const
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
511 { return rep->is_numeric_type (); }
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
512
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
513 int valid_as_scalar_index (void) const
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
514 { return rep->valid_as_scalar_index (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
515
1041
7dbf5bb19bde [project @ 1995-01-18 15:06:19 by jwe]
jwe
parents: 1009
diff changeset
516 int valid_as_zero_index (void) const
7dbf5bb19bde [project @ 1995-01-18 15:06:19 by jwe]
jwe
parents: 1009
diff changeset
517 { return rep->valid_as_zero_index (); }
7dbf5bb19bde [project @ 1995-01-18 15:06:19 by jwe]
jwe
parents: 1009
diff changeset
518
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
519 // Does this constant correspond to a truth value?
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
520
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
521 int is_true (void) const { return rep->is_true (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
522
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
523 // Is at least one of the dimensions of this constant zero?
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
524
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
525 int is_empty (void) const
1277
db4f4009d6e8 [project @ 1995-04-24 20:35:06 by jwe]
jwe
parents: 1204
diff changeset
526 { return rep->is_empty (); }
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
527
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
528 // Are the dimensions of this constant zero by zero?
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
529
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
530 int is_zero_by_zero (void) const
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
531 {
922
708827b941b4 [project @ 1994-11-14 22:14:13 by jwe]
jwe
parents: 878
diff changeset
532 return ((! (is_magic_colon () || is_all_va_args () || is_unknown ()))
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
533 && rows () == 0 && columns () == 0);
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
534 }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
535
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
536 // Values.
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
537
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
538 double double_value (int frc_str_conv = 0) const
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
539 { return rep->double_value (frc_str_conv); }
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
540
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
541 Matrix matrix_value (int frc_str_conv = 0) const
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
542 { return rep->matrix_value (frc_str_conv); }
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
543
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
544 Complex complex_value (int frc_str_conv = 0) const
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
545 { return rep->complex_value (frc_str_conv); }
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
546
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
547 ComplexMatrix complex_matrix_value (int frc_str_conv = 0) const
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
548 { return rep->complex_matrix_value (frc_str_conv); }
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
549
1572
0d9e10d10bd7 [project @ 1995-10-19 04:31:30 by jwe]
jwe
parents: 1558
diff changeset
550 charMatrix char_matrix_value (int frc_str_conv = 0) const
0d9e10d10bd7 [project @ 1995-10-19 04:31:30 by jwe]
jwe
parents: 1558
diff changeset
551 { return rep->char_matrix_value (frc_str_conv); }
0d9e10d10bd7 [project @ 1995-10-19 04:31:30 by jwe]
jwe
parents: 1558
diff changeset
552
0d9e10d10bd7 [project @ 1995-10-19 04:31:30 by jwe]
jwe
parents: 1558
diff changeset
553 charMatrix all_strings (void) const
1355
94697d007075 [project @ 1995-09-05 20:04:15 by jwe]
jwe
parents: 1315
diff changeset
554 { return rep->all_strings (); }
94697d007075 [project @ 1995-09-05 20:04:15 by jwe]
jwe
parents: 1315
diff changeset
555
1728
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe]
jwe
parents: 1630
diff changeset
556 string string_value (void) const
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
557 { return rep->string_value (); }
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
558
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
559 Range range_value (void) const
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
560 { return rep->range_value (); }
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
561
747
6182de8cb3b7 [project @ 1994-09-30 15:09:36 by jwe]
jwe
parents: 650
diff changeset
562 Octave_map map_value (void) const;
6182de8cb3b7 [project @ 1994-09-30 15:09:36 by jwe]
jwe
parents: 650
diff changeset
563
1277
db4f4009d6e8 [project @ 1995-04-24 20:35:06 by jwe]
jwe
parents: 1204
diff changeset
564 tree_constant lookup_map_element (const char *ref, int insert = 0,
db4f4009d6e8 [project @ 1995-04-24 20:35:06 by jwe]
jwe
parents: 1204
diff changeset
565 int silent = 0);
db4f4009d6e8 [project @ 1995-04-24 20:35:06 by jwe]
jwe
parents: 1204
diff changeset
566
db4f4009d6e8 [project @ 1995-04-24 20:35:06 by jwe]
jwe
parents: 1204
diff changeset
567 tree_constant lookup_map_element (SLList<char*>& list,
db4f4009d6e8 [project @ 1995-04-24 20:35:06 by jwe]
jwe
parents: 1204
diff changeset
568 int insert = 0, int silent = 0);
747
6182de8cb3b7 [project @ 1994-09-30 15:09:36 by jwe]
jwe
parents: 650
diff changeset
569
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
570 ColumnVector vector_value (int /* frc_str_conv */ = 0,
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
571 int /* frc_vec_conv */ = 0) const
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
572 { return rep->vector_value (); }
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
573
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
574 ComplexColumnVector complex_vector_value (int /* frc_str_conv */ = 0,
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
575 int /* frc_vec_conv */ = 0) const
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
576 { return rep->complex_vector_value (); }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
577
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
578 // Binary and unary operations.
1204
68d147abe7ca [project @ 1995-04-04 01:42:14 by jwe]
jwe
parents: 1199
diff changeset
579
68d147abe7ca [project @ 1995-04-04 01:42:14 by jwe]
jwe
parents: 1199
diff changeset
580 friend tree_constant do_binary_op (tree_constant& a, tree_constant& b,
68d147abe7ca [project @ 1995-04-04 01:42:14 by jwe]
jwe
parents: 1199
diff changeset
581 tree_expression::type t);
68d147abe7ca [project @ 1995-04-04 01:42:14 by jwe]
jwe
parents: 1199
diff changeset
582
68d147abe7ca [project @ 1995-04-04 01:42:14 by jwe]
jwe
parents: 1199
diff changeset
583 friend tree_constant do_unary_op (tree_constant& a,
68d147abe7ca [project @ 1995-04-04 01:42:14 by jwe]
jwe
parents: 1199
diff changeset
584 tree_expression::type t);
68d147abe7ca [project @ 1995-04-04 01:42:14 by jwe]
jwe
parents: 1199
diff changeset
585
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
586 // Conversions. These should probably be private. If a user of this
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
587 // class wants a certain kind of constant, he should simply ask for
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
588 // it, and we should convert it if possible.
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
589
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
590 tree_constant convert_to_str (void)
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
591 { return rep->convert_to_str (); }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
592
435
5e778965b6ea [project @ 1994-05-25 23:59:02 by jwe]
jwe
parents: 428
diff changeset
593 void convert_to_row_or_column_vector (void)
455
8c6b86564cee [project @ 1994-06-06 00:24:19 by jwe]
jwe
parents: 435
diff changeset
594 { rep->convert_to_row_or_column_vector (); }
435
5e778965b6ea [project @ 1994-05-25 23:59:02 by jwe]
jwe
parents: 428
diff changeset
595
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
596 // Increment or decrement this constant.
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
597
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 565
diff changeset
598 void bump_value (tree_expression::type et)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
599 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
600 if (rep->count > 1)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
601 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
602 --rep->count;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
603 rep = new tree_constant_rep (*rep);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
604 rep->count = 1;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
605 }
1004
df3c4da3adb0 [project @ 1995-01-02 20:59:39 by jwe]
jwe
parents: 922
diff changeset
606
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
607 rep->bump_value (et);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
608 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
609
1199
4f1bfa351b99 [project @ 1995-03-31 22:16:54 by jwe]
jwe
parents: 1168
diff changeset
610 void print (void);
4f1bfa351b99 [project @ 1995-03-31 22:16:54 by jwe]
jwe
parents: 1168
diff changeset
611 void print (ostream& os) { rep->print (os); }
4f1bfa351b99 [project @ 1995-03-31 22:16:54 by jwe]
jwe
parents: 1168
diff changeset
612
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
613 // Evaluate this constant, possibly converting complex to real, or
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
614 // matrix to scalar, etc.
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
615
1199
4f1bfa351b99 [project @ 1995-03-31 22:16:54 by jwe]
jwe
parents: 1168
diff changeset
616 tree_constant eval (int print_result)
495
36e25526fa9f [project @ 1994-07-06 14:57:55 by jwe]
jwe
parents: 482
diff changeset
617 {
1199
4f1bfa351b99 [project @ 1995-03-31 22:16:54 by jwe]
jwe
parents: 1168
diff changeset
618 if (print_result)
1616
ac7e10016ca0 [project @ 1995-11-03 15:26:11 by jwe]
jwe
parents: 1606
diff changeset
619 {
ac7e10016ca0 [project @ 1995-11-03 15:26:11 by jwe]
jwe
parents: 1606
diff changeset
620 rep->maybe_mutate (); // XXX FIXME XXX -- is this necessary?
ac7e10016ca0 [project @ 1995-11-03 15:26:11 by jwe]
jwe
parents: 1606
diff changeset
621 print ();
ac7e10016ca0 [project @ 1995-11-03 15:26:11 by jwe]
jwe
parents: 1606
diff changeset
622 }
1004
df3c4da3adb0 [project @ 1995-01-02 20:59:39 by jwe]
jwe
parents: 922
diff changeset
623
495
36e25526fa9f [project @ 1994-07-06 14:57:55 by jwe]
jwe
parents: 482
diff changeset
624 return *this;
36e25526fa9f [project @ 1994-07-06 14:57:55 by jwe]
jwe
parents: 482
diff changeset
625 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
626
1487
eaf4f68d3757 [project @ 1995-09-26 09:58:02 by jwe]
jwe
parents: 1355
diff changeset
627 Octave_object eval (int print, int /* nargout */, const Octave_object& args)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
628 {
565
b04c0d02f2de [project @ 1994-07-26 01:03:20 by jwe]
jwe
parents: 529
diff changeset
629 Octave_object retval;
495
36e25526fa9f [project @ 1994-07-06 14:57:55 by jwe]
jwe
parents: 482
diff changeset
630
506
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 504
diff changeset
631 if (args.length () > 0)
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 504
diff changeset
632 retval(0) = rep->do_index (args);
495
36e25526fa9f [project @ 1994-07-06 14:57:55 by jwe]
jwe
parents: 482
diff changeset
633 else
500
5f91088cb98e [project @ 1994-07-08 02:16:02 by jwe]
jwe
parents: 495
diff changeset
634 retval(0) = *this;
495
36e25526fa9f [project @ 1994-07-06 14:57:55 by jwe]
jwe
parents: 482
diff changeset
635
500
5f91088cb98e [project @ 1994-07-08 02:16:02 by jwe]
jwe
parents: 495
diff changeset
636 if (retval(0).is_defined ())
5f91088cb98e [project @ 1994-07-08 02:16:02 by jwe]
jwe
parents: 495
diff changeset
637 retval(0).eval (print);
1004
df3c4da3adb0 [project @ 1995-01-02 20:59:39 by jwe]
jwe
parents: 922
diff changeset
638
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
639 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
640 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
641
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
642 // Store the original text corresponding to this constant for later
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
643 // pretty printing.
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
644
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
645 void stash_original_text (char *s)
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
646 { rep->stash_original_text (s); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
647
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
648 // Pretty print this constant.
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
649
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
650 void print_code (ostream& os);
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
651
628
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
652 char *type_as_string (void) const
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
653 { return rep->type_as_string (); }
aecbe369233b [project @ 1994-08-19 13:27:51 by jwe]
jwe
parents: 620
diff changeset
654
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
655 // We really do need this, and it should be private:
747
6182de8cb3b7 [project @ 1994-09-30 15:09:36 by jwe]
jwe
parents: 650
diff changeset
656
6182de8cb3b7 [project @ 1994-09-30 15:09:36 by jwe]
jwe
parents: 650
diff changeset
657 private:
6182de8cb3b7 [project @ 1994-09-30 15:09:36 by jwe]
jwe
parents: 650
diff changeset
658
6182de8cb3b7 [project @ 1994-09-30 15:09:36 by jwe]
jwe
parents: 650
diff changeset
659 void make_unique (void);
6182de8cb3b7 [project @ 1994-09-30 15:09:36 by jwe]
jwe
parents: 650
diff changeset
660
6182de8cb3b7 [project @ 1994-09-30 15:09:36 by jwe]
jwe
parents: 650
diff changeset
661 tree_constant_rep *make_unique_map (void);
6182de8cb3b7 [project @ 1994-09-30 15:09:36 by jwe]
jwe
parents: 650
diff changeset
662
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
663 // We want to eliminate this, or at least make it private.
620
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
664
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
665 tree_constant_rep::constant_type const_type (void) const
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
666 { return rep->const_type (); }
8e4e7e5f307e [project @ 1994-08-16 04:36:32 by jwe]
jwe
parents: 610
diff changeset
667
1581
c02f877ca525 [project @ 1995-10-23 12:09:33 by jwe]
jwe
parents: 1572
diff changeset
668 void convert_to_matrix_type (int make_complex)
c02f877ca525 [project @ 1995-10-23 12:09:33 by jwe]
jwe
parents: 1572
diff changeset
669 { rep->convert_to_matrix_type (make_complex); }
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
670
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
671 // Can we make these go away?
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
672
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
673 // These need better names, since a range really is a numeric type.
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
674
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
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parents: 1487
diff changeset
675 void force_numeric (int frc_str_conv = 0)
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
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parents: 1487
diff changeset
676 { rep->force_numeric (frc_str_conv); }
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
677
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
678 tree_constant make_numeric (int frc_str_conv = 0) const
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
679 {
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
680 if (is_numeric_type ())
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
681 return *this;
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
682 else
1558
297e084c3857 [project @ 1995-10-12 07:20:28 by jwe]
jwe
parents: 1487
diff changeset
683 return rep->make_numeric (frc_str_conv);
636
fae2bd91c027 [project @ 1994-08-23 18:39:50 by jwe]
jwe
parents: 628
diff changeset
684 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
685 };
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
686
1199
4f1bfa351b99 [project @ 1995-03-31 22:16:54 by jwe]
jwe
parents: 1168
diff changeset
687 extern int print_as_scalar (const tree_constant& val);
4f1bfa351b99 [project @ 1995-03-31 22:16:54 by jwe]
jwe
parents: 1168
diff changeset
688
4f1bfa351b99 [project @ 1995-03-31 22:16:54 by jwe]
jwe
parents: 1168
diff changeset
689 extern int print_as_structure (const tree_constant& val);
4f1bfa351b99 [project @ 1995-03-31 22:16:54 by jwe]
jwe
parents: 1168
diff changeset
690
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
691 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
692
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
693 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
694 ;;; Local Variables: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
695 ;;; mode: C++ ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
696 ;;; page-delimiter: "^/\\*" ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
697 ;;; End: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
698 */