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1 // The rest of the tree classes. -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993 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, 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (_tree_const_h) |
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25 #define _tree_const_h 1 |
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26 |
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27 #ifdef __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 <stdlib.h> |
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32 #include <String.h> |
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33 |
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34 #include "Range.h" |
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35 #include "builtins.h" |
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36 #include "Matrix.h" |
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37 #include "idx-vector.h" |
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38 #include "tree-base.h" |
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39 |
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40 /* |
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41 * How about a few macros? |
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42 */ |
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43 |
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44 #ifndef MAX |
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45 #define MAX(a,b) ((a) > (b) ? (a) : (b)) |
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46 #endif |
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47 |
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48 #ifndef MIN |
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49 #define MIN(a,b) ((a) < (b) ? (a) : (b)) |
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50 #endif |
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51 |
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52 #ifndef ABS |
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53 #define ABS(x) (((x) < 0) ? (-x) : (x)) |
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54 #endif |
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55 |
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56 #ifndef NULL_TREE |
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57 #define NULL_TREE (tree *)NULL |
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58 #endif |
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59 |
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60 #ifndef NULL_TREE_CONST |
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61 #define NULL_TREE_CONST (tree_constant *)NULL |
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62 #endif |
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63 |
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64 /* |
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65 * The following are used by some of the functions in the |
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66 * tree_constant_rep class that must deal with real and complex |
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67 * matrices. This was not done with overloaded or virtual functions |
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68 * from the Matrix class because there is no clean way to do that -- |
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69 * the necessary functions (like elem) need to return values of |
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70 * different types... |
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71 */ |
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72 |
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73 // Given a tree_constant, and the names to be used for the real and |
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74 // complex matrix and their dimensions, declare a real or complex |
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75 // matrix, and initialize it from the tree_constant. Note that m, cm, |
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76 // nr, and nc must not be previously declared, and they must not be |
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77 // expressions. Since only one of the matrices will be defined after |
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78 // this macro is used, only one set of dimesions is declared. |
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79 |
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80 // This macro only makes sense inside a friend or member function of |
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81 // the tree_constant_rep class |
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82 |
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83 #define REP_RHS_MATRIX(tc,m,cm,nr,nc) \ |
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84 int nr, nc; \ |
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85 Matrix m; \ |
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86 ComplexMatrix cm; \ |
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87 if ((tc).const_type () == tree_constant_rep::complex_matrix_constant) \ |
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88 { \ |
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89 cm = (tc).complex_matrix_value (); \ |
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90 nr = (cm).rows (); \ |
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91 nc = (cm).columns (); \ |
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92 } \ |
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93 else \ |
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94 { \ |
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95 m = (tc).matrix_value (); \ |
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96 nr = (m).rows (); \ |
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97 nc = (m).columns (); \ |
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98 } |
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99 |
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100 // Assign a real or complex value to a tree_constant. |
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101 // |
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102 // This macro only makes sense inside a friend or member function of |
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103 // the tree_constant_rep class. |
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104 |
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105 #define REP_ELEM_ASSIGN(i,j,rval,cval,real_type) \ |
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106 do \ |
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107 { \ |
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108 if (type_tag == tree_constant_rep::matrix_constant) \ |
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109 { \ |
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110 if (real_type) \ |
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111 matrix->elem ((i), (j)) = (rval); \ |
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112 else \ |
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113 abort (); \ |
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114 } \ |
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115 else \ |
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116 { \ |
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117 if (real_type) \ |
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118 complex_matrix->elem ((i), (j)) = (rval); \ |
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119 else \ |
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120 complex_matrix->elem ((i), (j)) = (cval); \ |
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121 } \ |
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122 } \ |
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123 while (0) |
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124 |
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125 // Given a real and complex matrix and row and column dimensions, |
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126 // declare both and size one of them. Only one of the matrices should |
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127 // be used after this macro has been used. |
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128 |
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129 // This macro only makes sense inside a friend or member function of |
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130 // the tree_constant_rep class. |
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131 |
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132 #define CRMATRIX(m,cm,nr,nc) \ |
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133 Matrix m; \ |
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134 ComplexMatrix cm; \ |
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135 if (type_tag == tree_constant_rep::matrix_constant) \ |
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136 { \ |
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137 (m).resize ((nr), (nc)); \ |
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138 } \ |
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139 else if (type_tag == complex_matrix_constant) \ |
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140 { \ |
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141 (cm).resize ((nr), (nc)); \ |
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142 } \ |
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143 else \ |
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144 { \ |
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145 abort (); \ |
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146 } |
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147 |
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148 // Assign a real or complex matrix to a tree constant. |
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149 |
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150 // This macro only makes sense inside a friend or member function of |
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151 // the tree_constant_rep class. |
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152 |
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153 #define ASSIGN_CRMATRIX_TO(tc,m,cm) \ |
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154 do \ |
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155 { \ |
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156 if (type_tag == matrix_constant) \ |
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157 tc = tree_constant (m); \ |
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158 else \ |
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159 tc = tree_constant (cm); \ |
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160 } \ |
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161 while (0) |
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162 |
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163 // Assign an element of this tree_constant_rep's real or complex |
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164 // matrix to another real or complex matrix. |
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165 |
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166 // This macro only makes sense inside a friend or member function of |
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167 // the tree_constant_rep class. |
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168 |
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169 #define CRMATRIX_ASSIGN_REP_ELEM(m,cm,i1,j1,i2,j2) \ |
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170 do \ |
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171 { \ |
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172 if (type_tag == matrix_constant) \ |
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173 (m).elem ((i1), (j1)) = matrix->elem ((i2), (j2)); \ |
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174 else \ |
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175 (cm).elem ((i1), (j1)) = complex_matrix->elem ((i2), (j2)); \ |
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176 } \ |
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177 while (0) |
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178 |
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179 // Assign a value to an element of a real or complex matrix. Assumes |
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180 // that the lhs and rhs are either both real or both complex types. |
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181 |
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182 #define CRMATRIX_ASSIGN_ELEM(m,cm,i,j,rval,cval,real_type) \ |
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183 do \ |
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184 { \ |
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185 if (real_type) \ |
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186 (m).elem ((i), (j)) = (rval); \ |
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187 else \ |
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188 (cm).elem ((i), (j)) = (cval); \ |
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189 } \ |
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190 while (0) |
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191 |
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192 |
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193 /* |
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194 * Forward class declarations. |
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195 */ |
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196 class tree; |
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197 class tree_constant; |
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198 |
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199 #ifndef TREE_FCN_TYPEDEFS |
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200 #define TREE_FCN_TYPEDEFS 1 |
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201 |
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202 typedef tree_constant (*Text_fcn)(int, char **); |
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203 typedef tree_constant* (*General_fcn)(tree_constant *, int, int); |
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204 |
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205 #endif |
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206 |
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207 /* |
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208 * The actual representation of the tree_constant. |
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209 */ |
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210 class |
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211 tree_constant_rep |
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212 { |
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213 friend class tree_constant; |
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214 |
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215 enum force_orient |
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216 { |
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217 no_orient, |
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218 row_orient, |
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219 column_orient, |
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220 }; |
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221 |
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222 public: |
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223 enum constant_type |
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224 { |
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225 unknown_constant, |
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226 scalar_constant, |
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227 matrix_constant, |
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228 complex_scalar_constant, |
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229 complex_matrix_constant, |
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230 string_constant, |
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231 range_constant, |
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232 magic_colon, |
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233 }; |
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234 |
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235 tree_constant_rep (void); |
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236 |
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237 tree_constant_rep (double d); |
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238 tree_constant_rep (Matrix& m); |
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239 tree_constant_rep (DiagMatrix& d); |
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240 tree_constant_rep (RowVector& v); |
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241 tree_constant_rep (RowVector& v, int pcv); |
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242 tree_constant_rep (ColumnVector& v); |
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243 tree_constant_rep (ColumnVector& v, int pcv); |
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244 |
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245 tree_constant_rep (Complex c); |
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246 tree_constant_rep (ComplexMatrix& m); |
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247 tree_constant_rep (ComplexDiagMatrix& d); |
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248 tree_constant_rep (ComplexRowVector& v); |
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249 tree_constant_rep (ComplexRowVector& v, int pcv); |
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250 tree_constant_rep (ComplexColumnVector& v); |
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251 tree_constant_rep (ComplexColumnVector& v, int pcv); |
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252 |
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253 tree_constant_rep (const char *s); |
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254 tree_constant_rep (String& s); |
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255 |
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256 tree_constant_rep (double base, double limit, double inc); |
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257 tree_constant_rep (Range& r); |
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258 |
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259 tree_constant_rep (tree_constant_rep::constant_type t); |
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260 |
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261 tree_constant_rep (tree_constant_rep& t); |
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262 |
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263 ~tree_constant_rep (void); |
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264 |
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265 #if defined (MDEBUG) |
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266 void *operator new (size_t size); |
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267 void operator delete (void *p, size_t size); |
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268 #endif |
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269 |
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270 void resize (int i, int j); |
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271 void resize (int i, int j, double val); |
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272 |
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273 void maybe_resize (int imax, force_orient fo = no_orient); |
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274 void maybe_resize (int imax, int jmax); |
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275 |
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276 int valid_as_scalar_index (void); |
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277 |
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278 int is_defined (void) |
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279 { return type_tag != tree_constant_rep::unknown_constant; } |
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280 |
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281 int is_undefined (void) |
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282 { return type_tag == tree_constant_rep::unknown_constant; } |
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283 |
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284 int is_string_type (void) |
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285 { return type_tag == tree_constant_rep::string_constant; } |
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286 |
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287 int is_scalar_type (void) |
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288 { return type_tag == scalar_constant |
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289 || type_tag == complex_scalar_constant; } |
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290 |
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291 int is_matrix_type (void) |
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292 { return type_tag == matrix_constant |
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293 || type_tag == complex_matrix_constant; } |
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294 |
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295 int is_real_type (void) |
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296 { return type_tag == scalar_constant |
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297 || type_tag == matrix_constant |
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298 || type_tag == range_constant; } |
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299 |
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300 int is_complex_type (void) |
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301 { return type_tag == complex_matrix_constant |
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302 || type_tag == complex_scalar_constant; } |
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303 |
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304 |
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305 int is_numeric_type (void) |
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306 { return type_tag == scalar_constant |
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307 || type_tag == matrix_constant |
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308 || type_tag == complex_matrix_constant |
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309 || type_tag == complex_scalar_constant; } |
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310 |
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311 int is_numeric_or_range_type (void) |
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312 { return type_tag == scalar_constant |
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313 || type_tag == matrix_constant |
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314 || type_tag == complex_matrix_constant |
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315 || type_tag == complex_scalar_constant |
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316 || type_tag == range_constant; } |
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317 |
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318 double to_scalar (void); |
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319 ColumnVector to_vector (void); |
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320 Matrix to_matrix (void); |
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321 |
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322 tree_constant_rep::constant_type force_numeric (int force_str_conv = 0); |
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323 tree_constant make_numeric (int force_str_conv = 0); |
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324 |
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325 friend tree_constant |
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326 do_binary_op (tree_constant& a, tree_constant& b, tree::expression_type t); |
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327 |
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328 friend tree_constant |
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329 do_unary_op (tree_constant& a, tree::expression_type t); |
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330 |
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331 void assign (tree_constant& rhs, tree_constant *args, int nargs); |
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332 |
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333 void do_scalar_assignment |
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334 (tree_constant& rhs, tree_constant *args, int nargin); |
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335 |
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336 void do_matrix_assignment |
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337 (tree_constant& rhs, tree_constant *args, int nargin); |
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338 |
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339 void do_matrix_assignment |
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340 (tree_constant& rhs, tree_constant& i_arg); |
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341 |
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342 void do_matrix_assignment |
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343 (tree_constant& rhs, tree_constant& i_arg, tree_constant& j_arg); |
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344 |
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345 void fortran_style_matrix_assignment (tree_constant& rhs, |
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346 tree_constant& i_arg); |
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347 |
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348 void fortran_style_matrix_assignment (tree_constant& rhs, constant_type ci); |
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349 |
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350 void fortran_style_matrix_assignment (tree_constant& rhs, idx_vector& i); |
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351 |
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352 void vector_assignment (tree_constant& rhs, tree_constant& i_arg); |
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353 |
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354 void check_vector_assign (int rhs_nr, int rhs_nc, int ilen, char *rm); |
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355 |
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356 void do_vector_assign (tree_constant& rhs, int i); |
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357 void do_vector_assign (tree_constant& rhs, idx_vector& i); |
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358 void do_vector_assign (tree_constant& rhs, Range& i, int imax); |
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359 |
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360 void do_matrix_assignment |
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361 (tree_constant& rhs, int i, tree_constant& j_arg); |
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362 void do_matrix_assignment |
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363 (tree_constant& rhs, idx_vector& i, tree_constant& j_arg); |
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364 void do_matrix_assignment |
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365 (tree_constant& rhs, Range& i, int imax, tree_constant& j_arg); |
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366 void do_matrix_assignment |
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367 (tree_constant& rhs, constant_type i, tree_constant& j_arg); |
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368 |
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369 void do_matrix_assignment (tree_constant& rhs, int i, int j); |
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370 void do_matrix_assignment (tree_constant& rhs, int i, idx_vector& jv); |
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371 void do_matrix_assignment (tree_constant& rhs, int i, Range& j); |
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372 void do_matrix_assignment (tree_constant& rhs, int i, constant_type cj); |
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373 |
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374 void do_matrix_assignment (tree_constant& rhs, idx_vector& iv, int j); |
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375 void do_matrix_assignment (tree_constant& rhs, idx_vector& iv, |
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376 idx_vector& jv); |
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377 void do_matrix_assignment (tree_constant& rhs, idx_vector& iv, Range& j); |
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378 void do_matrix_assignment (tree_constant& rhs, idx_vector& iv, |
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379 constant_type j); |
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380 |
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381 void do_matrix_assignment (tree_constant& rhs, Range& i, int j); |
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382 void do_matrix_assignment (tree_constant& rhs, Range& i, idx_vector& jv); |
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383 void do_matrix_assignment (tree_constant& rhs, Range& i, Range& j); |
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384 void do_matrix_assignment (tree_constant& rhs, Range& i, constant_type j); |
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385 |
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386 void do_matrix_assignment (tree_constant& rhs, constant_type i, int j); |
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387 void do_matrix_assignment (tree_constant& rhs, constant_type i, |
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388 idx_vector& jv); |
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389 void do_matrix_assignment (tree_constant& rhs, constant_type i, Range& j); |
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390 void do_matrix_assignment (tree_constant& rhs, constant_type i, |
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391 constant_type j); |
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392 |
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393 void bump_value (tree::expression_type); |
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394 |
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395 void eval (int print); |
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396 |
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397 tree_constant *eval (tree_constant *args, int n_in, int n_out, int print); |
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398 |
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399 tree_constant do_scalar_index (tree_constant *args, int nargin); |
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400 |
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401 tree_constant do_matrix_index (tree_constant *args, int nargin); |
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402 |
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403 tree_constant do_matrix_index (tree_constant& i_arg); |
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404 |
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405 tree_constant do_matrix_index (tree_constant& i_arg, tree_constant& j_arg); |
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406 |
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407 tree_constant do_matrix_index (constant_type i); |
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408 |
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409 tree_constant fortran_style_matrix_index (tree_constant& i_arg); |
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410 tree_constant fortran_style_matrix_index (Matrix& mi); |
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411 |
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412 tree_constant do_vector_index (tree_constant& i_arg); |
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413 |
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414 tree_constant do_matrix_index (int i, tree_constant& i_arg); |
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415 tree_constant do_matrix_index (idx_vector& i, tree_constant& i_arg); |
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416 tree_constant do_matrix_index (Range& i, int imax, tree_constant& i_arg); |
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417 tree_constant do_matrix_index (constant_type i, tree_constant& i_arg); |
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418 |
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419 tree_constant do_matrix_index (int i, int j); |
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420 tree_constant do_matrix_index (int i, idx_vector& j); |
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421 tree_constant do_matrix_index (int i, Range& j); |
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422 tree_constant do_matrix_index (int i, constant_type cj); |
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423 |
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424 tree_constant do_matrix_index (idx_vector& i, int j); |
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425 tree_constant do_matrix_index (idx_vector& i, idx_vector& j); |
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426 tree_constant do_matrix_index (idx_vector& i, Range& j); |
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427 tree_constant do_matrix_index (idx_vector& i, constant_type j); |
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428 |
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429 tree_constant do_matrix_index (Range& i, int j); |
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430 tree_constant do_matrix_index (Range& i, idx_vector& j); |
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431 tree_constant do_matrix_index (Range& i, Range& j); |
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432 tree_constant do_matrix_index (Range& i, constant_type j); |
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433 |
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434 tree_constant do_matrix_index (constant_type i, int j); |
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435 tree_constant do_matrix_index (constant_type i, idx_vector& j); |
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436 tree_constant do_matrix_index (constant_type i, Range& j); |
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437 tree_constant do_matrix_index (constant_type i, constant_type j); |
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438 |
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439 int save (ostream& os, int mark_as_global); |
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440 int save_three_d (ostream& os, int parametric); |
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441 int load (istream& is); |
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442 constant_type load (istream& is, constant_type t); |
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443 |
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444 double double_value (void); |
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445 Matrix matrix_value (void); |
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446 Complex complex_value (void); |
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447 ComplexMatrix complex_matrix_value (void); |
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448 char *string_value (void); |
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449 Range range_value (void); |
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450 |
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451 int rows (void); |
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452 int columns (void); |
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453 |
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454 tree_constant all (void); |
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455 tree_constant any (void); |
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456 tree_constant isstr (void); |
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457 |
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458 tree_constant convert_to_str (void); |
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459 |
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460 tree_constant cumprod (void); |
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461 tree_constant cumsum (void); |
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462 tree_constant prod (void); |
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463 tree_constant sum (void); |
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464 tree_constant sumsq (void); |
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465 |
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466 tree_constant diag (void); |
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467 tree_constant diag (tree_constant& a); |
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468 |
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469 friend tree_constant fft (tree_constant& a); |
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470 friend tree_constant ifft (tree_constant& a); |
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471 |
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472 friend tree_constant fill_matrix (tree_constant& a, double d, |
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473 char *warn_for); |
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474 friend tree_constant fill_matrix (tree_constant& a, tree_constant& b, |
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475 double d, char *warn_for); |
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476 |
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477 friend tree_constant identity_matrix (tree_constant& a); |
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478 friend tree_constant identity_matrix (tree_constant& a, tree_constant& b); |
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479 |
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480 friend tree_constant inverse (tree_constant& a); |
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481 friend tree_constant determinant (tree_constant& a); |
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482 |
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483 friend tree_constant find_nonzero_elem_idx (tree_constant& a); |
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484 |
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485 friend tree_constant *lu (tree_constant& a, int nargout); |
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486 friend tree_constant *qr (tree_constant& a, int nargout); |
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487 |
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488 friend tree_constant *matrix_exp (tree_constant& a); |
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489 friend tree_constant *matrix_log (tree_constant& a); |
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490 friend tree_constant *matrix_sqrt (tree_constant& a); |
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491 |
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492 friend tree_constant *collocation_weights (tree_constant *args, |
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493 int nargin); |
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494 |
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495 friend tree_constant *column_max (tree_constant *args, int nargin, |
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496 int nargout); |
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497 |
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498 friend tree_constant *column_min (tree_constant *args, int nargin, |
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499 int nargout); |
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500 |
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501 friend tree_constant *hess (tree_constant *args, int nargin, int nargout); |
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502 friend tree_constant *eig (tree_constant *args, int nargin, int nargout); |
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503 friend tree_constant *schur (tree_constant *args, int nargin, int nargout); |
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504 friend tree_constant *svd (tree_constant *args, int nargin, int nargout); |
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505 friend tree_constant *lsode (tree_constant *args, int nargin, int nargout); |
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506 friend tree_constant *dassl (tree_constant *args, int nargin, int nargout); |
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507 |
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508 #ifndef NPSOL_MISSING |
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509 friend tree_constant *npsol (tree_constant *args, int nargin, int nargout); |
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510 #endif |
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511 |
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512 #ifndef QPSOL_MISSING |
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513 friend tree_constant *qpsol (tree_constant *args, int nargin, int nargout); |
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514 #endif |
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515 |
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516 #ifndef FSQP_MISSING |
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517 friend tree_constant *fsqp (tree_constant *args, int nargin, int nargout); |
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518 #endif |
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519 |
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520 friend tree_constant *lpsolve (tree_constant *args, int nargin, int nargout); |
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521 |
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522 friend tree_constant *fsolve (tree_constant *args, int nargin, int nargout); |
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523 |
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524 friend tree_constant *do_quad (tree_constant *args, int nargin, int nargout); |
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525 |
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526 friend tree_constant *rand_internal (tree_constant *args, int nargin, |
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527 int nargout); |
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528 |
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529 friend tree_constant *sort (tree_constant *args, int nargin, int nargout); |
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530 |
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531 friend tree_constant *feval (tree_constant *args, int nargin, int nargout); |
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532 |
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533 friend tree_constant eval_string (tree_constant& arg, int& parse_status); |
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534 |
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535 friend tree_constant get_user_input (tree_constant *args, int nargin, |
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536 int nargout, int debug = 0); |
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537 |
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538 void print_if_string (ostream& os, int warn); |
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539 |
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|
540 constant_type const_type (void) { return type_tag; } |
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541 |
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542 tree_constant mapper (Mapper_fcn& m_fcn, int print); |
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543 |
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544 private: |
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545 int count; |
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546 constant_type type_tag; |
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547 union |
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548 { |
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549 double scalar; // A real scalar constant. |
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550 Matrix *matrix; // A real matrix constant. |
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551 Complex *complex_scalar; // A real scalar constant. |
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552 ComplexMatrix *complex_matrix; // A real matrix constant. |
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553 char *string; // A character string constant. |
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554 Range *range; // A set of evenly spaced values. |
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555 }; |
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556 }; |
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557 |
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558 /* |
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559 * Constants. Nice -- No need to interpret them anymore. Logically, |
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560 * this should be ahead of the tree_constant_rep class, but that |
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561 * causes problems with my version of g++ (~2.2.2)... |
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562 */ |
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563 class tree_constant : public tree |
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564 { |
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565 friend class tree_constant_rep; |
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566 |
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567 public: |
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568 tree_constant (void) |
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569 { rep = new tree_constant_rep (); rep->count = 1; } |
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570 |
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571 tree_constant (double d) |
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572 { rep = new tree_constant_rep (d); rep->count = 1; } |
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573 tree_constant (Matrix& m) |
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574 { rep = new tree_constant_rep (m); rep->count = 1; } |
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575 tree_constant (DiagMatrix& d) |
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576 { rep = new tree_constant_rep (d); rep->count = 1; } |
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577 tree_constant (RowVector& v) |
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578 { rep = new tree_constant_rep (v); rep->count = 1; } |
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579 tree_constant (RowVector& v, int pcv) |
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580 { rep = new tree_constant_rep (v, pcv); rep->count = 1; } |
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581 tree_constant (ColumnVector& v) |
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582 { rep = new tree_constant_rep (v); rep->count = 1; } |
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583 tree_constant (ColumnVector& v, int pcv) |
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584 { rep = new tree_constant_rep (v, pcv); rep->count = 1; } |
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585 |
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586 tree_constant (Complex c) |
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587 { rep = new tree_constant_rep (c); rep->count = 1; } |
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588 tree_constant (ComplexMatrix& m) |
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589 { rep = new tree_constant_rep (m); rep->count = 1; } |
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590 tree_constant (ComplexDiagMatrix& d) |
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591 { rep = new tree_constant_rep (d); rep->count = 1; } |
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592 tree_constant (ComplexRowVector& v) |
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593 { rep = new tree_constant_rep (v); rep->count = 1; } |
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594 tree_constant (ComplexRowVector& v, int pcv) |
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595 { rep = new tree_constant_rep (v, pcv); rep->count = 1; } |
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596 tree_constant (ComplexColumnVector& v) |
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597 { rep = new tree_constant_rep (v); rep->count = 1; } |
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598 tree_constant (ComplexColumnVector& v, int pcv) |
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599 { rep = new tree_constant_rep (v, pcv); rep->count = 1; } |
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600 |
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601 tree_constant (const char *s) |
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602 { rep = new tree_constant_rep (s); rep->count = 1; } |
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603 tree_constant (String& s) |
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604 { rep = new tree_constant_rep (s); rep->count = 1; } |
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605 |
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606 tree_constant (double base, double limit, double inc) |
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607 { rep = new tree_constant_rep (base, limit, inc); rep->count = 1; } |
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608 tree_constant (Range& r) |
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609 { rep = new tree_constant_rep (r); rep->count = 1; } |
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610 |
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611 tree_constant (tree_constant_rep::constant_type t) |
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612 { rep = new tree_constant_rep (t); rep->count = 1; } |
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|
613 |
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614 tree_constant (tree_constant& a) |
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615 { rep = a.rep; rep->count++; } |
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616 tree_constant (tree_constant_rep& r) |
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617 { rep = &r; rep->count++; } |
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|
618 |
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|
619 ~tree_constant (void); |
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|
620 |
|
|
621 #if defined (MDEBUG) |
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622 void *operator new (size_t size); |
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|
623 void operator delete (void *p, size_t size); |
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|
624 #endif |
|
|
625 |
|
|
626 tree_constant operator = (tree_constant& a) |
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|
627 { |
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628 if (--rep->count <= 0 && rep != a.rep) |
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|
629 delete rep; |
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|
630 |
|
|
631 rep = a.rep; |
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|
632 rep->count++; |
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|
633 return *this; |
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|
634 } |
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635 |
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|
636 int is_constant (void) { return 1; } |
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|
637 |
|
|
638 int is_scalar_type (void) { return rep->is_scalar_type (); } |
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|
639 int is_matrix_type (void) { return rep->is_matrix_type (); } |
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|
640 |
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641 int is_real_type (void) { return rep->is_real_type (); } |
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|
642 int is_complex_type (void) { return rep->is_complex_type (); } |
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|
643 |
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644 int is_numeric_type (void) { return rep->is_numeric_type (); } |
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|
645 |
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646 int is_numeric_or_range_type (void) |
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|
647 { return rep->is_numeric_or_range_type (); } |
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|
648 |
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|
649 int is_string_type (void) { return rep->is_string_type (); } |
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650 |
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|
651 int valid_as_scalar_index (void) { return rep->valid_as_scalar_index (); } |
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|
652 |
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653 int is_defined (void) { return rep->is_defined (); } |
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654 int is_undefined (void) { return rep->is_undefined (); } |
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655 |
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656 double to_scalar (void) { return rep->to_scalar (); } |
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|
657 ColumnVector to_vector (void) { return rep->to_vector (); } |
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|
658 Matrix to_matrix (void) { return rep->to_matrix (); } |
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|
659 |
|
|
660 tree_constant_rep::constant_type force_numeric (int force_str_conv = 0) |
|
|
661 { return rep->force_numeric (force_str_conv); } |
|
|
662 |
|
|
663 tree_constant make_numeric (int force_str_conv = 0) |
|
|
664 { |
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|
665 if (is_numeric_type ()) |
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|
666 return *this; |
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|
667 else |
|
|
668 return rep->make_numeric (force_str_conv); |
|
|
669 } |
|
|
670 |
|
|
671 tree_constant make_numeric_or_range (void) |
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|
672 { |
|
|
673 if (is_numeric_type () |
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|
674 || rep->type_tag == tree_constant_rep::range_constant) |
|
|
675 return *this; |
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|
676 else |
|
|
677 return rep->make_numeric (); |
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|
678 } |
|
|
679 |
|
|
680 tree_constant make_numeric_or_magic (void) |
|
|
681 { |
|
|
682 if (is_numeric_type () |
|
|
683 || rep->type_tag == tree_constant_rep::magic_colon) |
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|
684 return *this; |
|
|
685 else |
|
|
686 return rep->make_numeric (); |
|
|
687 } |
|
|
688 |
|
|
689 tree_constant make_numeric_or_range_or_magic (void) |
|
|
690 { |
|
|
691 if (is_numeric_type () |
|
|
692 || rep->type_tag == tree_constant_rep::magic_colon |
|
|
693 || rep->type_tag == tree_constant_rep::range_constant) |
|
|
694 return *this; |
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|
695 else |
|
|
696 return rep->make_numeric (); |
|
|
697 } |
|
|
698 |
|
|
699 tree_constant assign (tree_constant& rhs, tree_constant *args, int nargs) |
|
|
700 { |
|
|
701 if (rep->count > 1) |
|
|
702 { |
|
|
703 --rep->count; |
|
|
704 rep = new tree_constant_rep (*rep); |
|
|
705 rep->count = 1; |
|
|
706 } |
|
|
707 rep->assign (rhs, args, nargs); |
|
|
708 return *this; |
|
|
709 } |
|
|
710 |
|
|
711 int save (ostream& os, int mark_as_global = 0) |
|
|
712 { return rep->save (os, mark_as_global); } |
|
|
713 int save_three_d (ostream& os, int parametric = 0) |
|
|
714 { return rep->save_three_d (os, parametric); } |
|
|
715 |
|
|
716 int load (istream& is) { return rep->load (is); } |
|
|
717 tree_constant_rep::constant_type load |
|
|
718 (istream& is, tree_constant_rep::constant_type t) |
|
|
719 { return rep->load (is, t); } |
|
|
720 |
|
|
721 double double_value (void) { return rep->double_value (); } |
|
|
722 Matrix matrix_value (void) { return rep->matrix_value (); } |
|
|
723 Complex complex_value (void) { return rep->complex_value (); } |
|
|
724 ComplexMatrix complex_matrix_value (void) |
|
|
725 { return rep->complex_matrix_value (); } |
|
|
726 char *string_value (void) { return rep->string_value (); } |
|
|
727 Range range_value (void) { return rep->range_value (); } |
|
|
728 |
|
|
729 int rows (void) { return rep->rows (); } |
|
|
730 int columns (void) { return rep->columns (); } |
|
|
731 |
|
|
732 tree_constant all (void) { return rep->all (); } |
|
|
733 tree_constant any (void) { return rep->any (); } |
|
|
734 tree_constant isstr (void) { return rep->isstr (); } |
|
|
735 |
|
|
736 tree_constant convert_to_str (void) { return rep->convert_to_str (); } |
|
|
737 |
|
|
738 tree_constant cumprod (void) { return rep->cumprod (); } |
|
|
739 tree_constant cumsum (void) { return rep->cumsum (); } |
|
|
740 tree_constant prod (void) { return rep->prod (); } |
|
|
741 tree_constant sum (void) { return rep->sum (); } |
|
|
742 tree_constant sumsq (void) { return rep->sumsq (); } |
|
|
743 |
|
|
744 tree_constant diag (void) { return rep->diag (); } |
|
|
745 tree_constant diag (tree_constant& a) { return rep->diag (a); } |
|
|
746 |
|
|
747 void print_if_string (ostream& os, int warn) |
|
|
748 { rep->print_if_string (os, warn); } |
|
|
749 |
|
|
750 tree_constant_rep::constant_type const_type (void) |
|
|
751 { return rep->const_type (); } |
|
|
752 |
|
|
753 tree_constant mapper (Mapper_fcn& m_fcn, int print) |
|
|
754 { return rep->mapper (m_fcn, print); } |
|
|
755 |
|
|
756 void bump_value (tree::expression_type et) |
|
|
757 { |
|
|
758 if (rep->count > 1) |
|
|
759 { |
|
|
760 --rep->count; |
|
|
761 rep = new tree_constant_rep (*rep); |
|
|
762 rep->count = 1; |
|
|
763 } |
|
|
764 rep->bump_value (et); |
|
|
765 } |
|
|
766 |
|
|
767 tree_constant eval (int print) |
|
|
768 { rep->eval (print); return *this; } |
|
|
769 |
|
|
770 // A tree constant can have one and only one value to return. |
|
|
771 tree_constant *eval (int print, int nargout) |
|
|
772 { |
|
|
773 rep->eval (print); |
|
|
774 tree_constant *retval = new tree_constant [2]; |
|
|
775 retval[0] = *this; |
|
|
776 return retval; |
|
|
777 } |
|
|
778 |
|
|
779 tree_constant *eval (tree_constant *args, int n_in, int n_out, int print) |
|
|
780 { return rep->eval (args, n_in, n_out, print); } |
|
|
781 |
|
|
782 private: |
|
|
783 tree_constant_rep *rep; |
|
|
784 }; |
|
|
785 |
|
|
786 #endif |
|
|
787 |
|
|
788 /* |
|
|
789 ;;; Local Variables: *** |
|
|
790 ;;; mode: C++ *** |
|
|
791 ;;; page-delimiter: "^/\\*" *** |
|
|
792 ;;; End: *** |
|
|
793 */ |
