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1 // tc-rep.h -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993, 1994 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 (octave_tree_const_rep_h) |
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25 #define octave_tree_const_rep_h 1 |
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26 |
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27 // The actual representation of the tree_constant. |
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28 |
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29 class |
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30 tree_constant_rep |
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31 { |
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32 friend class tree_constant; |
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33 |
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34 private: |
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35 |
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36 enum constant_type |
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37 { |
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38 unknown_constant, |
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39 scalar_constant, |
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40 matrix_constant, |
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41 complex_scalar_constant, |
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42 complex_matrix_constant, |
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43 string_constant, |
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44 range_constant, |
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45 magic_colon, |
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46 }; |
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47 |
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48 enum force_orient |
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49 { |
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50 no_orient, |
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51 row_orient, |
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52 column_orient, |
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53 }; |
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54 |
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55 tree_constant_rep (void); |
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56 |
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57 tree_constant_rep (double d); |
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58 tree_constant_rep (const Matrix& m); |
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59 tree_constant_rep (const DiagMatrix& d); |
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60 tree_constant_rep (const RowVector& v, int pcv); |
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61 tree_constant_rep (const ColumnVector& v, int pcv); |
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62 |
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63 tree_constant_rep (const Complex& c); |
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64 tree_constant_rep (const ComplexMatrix& m); |
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65 tree_constant_rep (const ComplexDiagMatrix& d); |
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66 tree_constant_rep (const ComplexRowVector& v, int pcv); |
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67 tree_constant_rep (const ComplexColumnVector& v, int pcv); |
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68 |
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69 tree_constant_rep (const char *s); |
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70 |
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71 tree_constant_rep (double base, double limit, double inc); |
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72 tree_constant_rep (const Range& r); |
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73 |
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74 tree_constant_rep (tree_constant_rep::constant_type t); |
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75 |
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76 tree_constant_rep (const tree_constant_rep& t); |
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77 |
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78 ~tree_constant_rep (void); |
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79 |
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80 #if defined (MDEBUG) |
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81 void *operator new (size_t size); |
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82 void operator delete (void *p, size_t size); |
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83 #endif |
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84 |
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85 int rows (void) const; |
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86 int columns (void) const; |
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87 |
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88 int is_defined (void) const |
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89 { return type_tag != tree_constant_rep::unknown_constant; } |
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90 |
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91 int is_undefined (void) const |
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92 { return type_tag == tree_constant_rep::unknown_constant; } |
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93 |
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94 int is_unknown (void) const |
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95 { return type_tag == tree_constant_rep::unknown_constant; } |
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96 |
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97 int is_real_scalar (void) const |
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98 { return type_tag == tree_constant_rep::scalar_constant; } |
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99 |
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100 int is_real_matrix (void) const |
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101 { return type_tag == tree_constant_rep::matrix_constant; } |
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102 |
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103 int is_complex_scalar (void) const |
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104 { return type_tag == tree_constant_rep::complex_scalar_constant; } |
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105 |
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106 int is_complex_matrix (void) const |
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107 { return type_tag == tree_constant_rep::complex_matrix_constant; } |
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108 |
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109 int is_string (void) const |
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110 { return type_tag == tree_constant_rep::string_constant; } |
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111 |
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112 int is_range (void) const |
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113 { return type_tag == tree_constant_rep::range_constant; } |
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114 |
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115 int is_magic_colon (void) const |
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116 { return type_tag == tree_constant_rep::magic_colon; } |
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117 |
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118 tree_constant all (void) const; |
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119 tree_constant any (void) const; |
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120 |
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121 int is_real_type (void) const |
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122 { |
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123 return (type_tag == scalar_constant |
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124 || type_tag == matrix_constant |
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125 || type_tag == range_constant |
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126 || type_tag == string_constant); |
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127 } |
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128 |
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129 int is_complex_type (void) const |
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130 { |
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131 return (type_tag == complex_matrix_constant |
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132 || type_tag == complex_scalar_constant); |
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133 } |
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134 |
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135 // Would be nice to get rid of the next four functions: |
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136 |
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137 int is_scalar_type (void) const |
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138 { |
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139 return (type_tag == scalar_constant |
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140 || type_tag == complex_scalar_constant); |
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141 } |
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142 |
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143 int is_matrix_type (void) const |
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144 { |
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145 return (type_tag == matrix_constant |
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146 || type_tag == complex_matrix_constant); |
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147 } |
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148 |
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149 int is_numeric_type (void) const |
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150 { |
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151 return (type_tag == scalar_constant |
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152 || type_tag == matrix_constant |
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153 || type_tag == complex_matrix_constant |
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154 || type_tag == complex_scalar_constant); |
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155 } |
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156 |
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157 int is_numeric_or_range_type (void) const |
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158 { |
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159 return (type_tag == scalar_constant |
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160 || type_tag == matrix_constant |
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161 || type_tag == complex_matrix_constant |
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162 || type_tag == complex_scalar_constant |
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163 || type_tag == range_constant); |
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164 } |
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165 |
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166 int valid_as_scalar_index (void) const; |
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167 |
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168 int is_true (void) const; |
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169 |
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170 double double_value (int force_string_conversion = 0) const; |
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171 Matrix matrix_value (int force_string_conversion = 0) const; |
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172 Complex complex_value (int force_string_conversion = 0) const; |
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173 ComplexMatrix complex_matrix_value (int force_string_conversion = 0) const; |
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174 char *string_value (void) const; |
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175 Range range_value (void) const; |
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176 |
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177 ColumnVector vector_value (int force_string_conversion = 0, |
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178 int force_vector_conversion = 0) const; |
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179 |
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180 ComplexColumnVector complex_vector_value (int force_string_conv = 0, |
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181 int force_vec_conv = 0) const; |
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182 |
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183 tree_constant convert_to_str (void); |
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184 |
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185 void convert_to_row_or_column_vector (void); |
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186 |
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187 void force_numeric (int force_str_conv = 0); |
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188 tree_constant make_numeric (int force_str_conv = 0) const; |
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189 |
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190 void bump_value (tree_expression::type); |
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191 |
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192 void resize (int i, int j); |
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193 void resize (int i, int j, double val); |
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194 |
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195 void maybe_resize (int imax, force_orient fo = no_orient); |
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196 void maybe_resize (int imax, int jmax); |
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197 |
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198 void stash_original_text (char *s); |
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199 |
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200 // Indexing. |
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201 |
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202 tree_constant do_index (const Octave_object& args); |
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203 |
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204 tree_constant do_scalar_index (const Octave_object& args) const; |
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205 |
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206 tree_constant do_matrix_index (const Octave_object& args) const; |
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207 |
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208 tree_constant do_matrix_index (const tree_constant& i_arg) const; |
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209 |
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210 tree_constant do_matrix_index (const tree_constant& i_arg, |
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211 const tree_constant& j_arg) const; |
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212 |
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213 tree_constant do_matrix_index (constant_type i) const; |
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214 |
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215 tree_constant fortran_style_matrix_index (const tree_constant& i_arg) const; |
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216 tree_constant fortran_style_matrix_index (const Matrix& mi) const; |
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217 |
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218 tree_constant do_vector_index (const tree_constant& i_arg) const; |
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219 |
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220 tree_constant do_matrix_index (int i, const tree_constant& i_arg) const; |
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221 tree_constant do_matrix_index (const idx_vector& i, |
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222 const tree_constant& i_arg) const; |
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223 tree_constant do_matrix_index (const Range& i, |
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224 const tree_constant& i_arg) const; |
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225 tree_constant do_matrix_index (constant_type i, |
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226 const tree_constant& i_arg) const; |
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227 |
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228 tree_constant do_matrix_index (int i, int j) const; |
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229 tree_constant do_matrix_index (int i, const idx_vector& j) const; |
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230 tree_constant do_matrix_index (int i, const Range& j) const; |
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231 tree_constant do_matrix_index (int i, constant_type cj) const; |
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232 |
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233 tree_constant do_matrix_index (const idx_vector& i, int j) const; |
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234 tree_constant do_matrix_index (const idx_vector& i, |
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235 const idx_vector& j) const; |
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236 tree_constant do_matrix_index (const idx_vector& i, const Range& j) const; |
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237 tree_constant do_matrix_index (const idx_vector& i, constant_type j) const; |
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238 |
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239 tree_constant do_matrix_index (const Range& i, int j) const; |
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240 tree_constant do_matrix_index (const Range& i, const idx_vector& j) const; |
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241 tree_constant do_matrix_index (const Range& i, const Range& j) const; |
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242 tree_constant do_matrix_index (const Range& i, constant_type j) const; |
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243 |
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244 tree_constant do_matrix_index (constant_type i, int j) const; |
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245 tree_constant do_matrix_index (constant_type i, const idx_vector& j) const; |
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246 tree_constant do_matrix_index (constant_type i, const Range& j) const; |
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247 tree_constant do_matrix_index (constant_type i, constant_type j) const; |
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248 |
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249 // Assignment. |
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250 |
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251 void assign (const tree_constant& rhs, const Octave_object& args); |
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252 |
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253 void do_scalar_assignment (const tree_constant& rhs, |
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254 const Octave_object& args); |
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255 |
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256 void do_matrix_assignment (const tree_constant& rhs, |
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257 const Octave_object& args); |
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258 |
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259 void do_matrix_assignment (const tree_constant& rhs, |
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260 const tree_constant& i_arg); |
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261 |
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262 void fortran_style_matrix_assignment (const tree_constant& rhs, |
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263 const tree_constant& i_arg); |
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264 |
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265 void fortran_style_matrix_assignment (const tree_constant& rhs, |
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266 constant_type ci); |
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267 |
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268 void fortran_style_matrix_assignment (const tree_constant& rhs, |
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269 idx_vector& i); |
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270 |
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271 void vector_assignment (const tree_constant& rhs, |
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272 const tree_constant& i_arg); |
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273 |
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274 void check_vector_assign (int rhs_nr, int rhs_nc, int ilen, |
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275 const char *rm); |
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276 |
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277 void do_vector_assign (const tree_constant& rhs, int i); |
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278 void do_vector_assign (const tree_constant& rhs, idx_vector& i); |
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279 void do_vector_assign (const tree_constant& rhs, Range& i); |
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280 |
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281 void do_matrix_assignment (const tree_constant& rhs, |
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282 const tree_constant& i_arg, |
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283 const tree_constant& j_arg); |
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284 |
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285 void do_matrix_assignment (const tree_constant& rhs, int i, |
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286 const tree_constant& j_arg); |
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287 void do_matrix_assignment (const tree_constant& rhs, idx_vector& i, |
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288 const tree_constant& j_arg); |
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289 void do_matrix_assignment (const tree_constant& rhs, Range& i, |
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290 const tree_constant& j_arg); |
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291 void do_matrix_assignment (const tree_constant& rhs, constant_type i, |
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292 const tree_constant& j_arg); |
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293 |
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294 void do_matrix_assignment (const tree_constant& rhs, int i, int j); |
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295 void do_matrix_assignment (const tree_constant& rhs, int i, idx_vector& jv); |
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296 void do_matrix_assignment (const tree_constant& rhs, int i, Range& j); |
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297 void do_matrix_assignment (const tree_constant& rhs, int i, constant_type cj); |
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298 |
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299 void do_matrix_assignment (const tree_constant& rhs, idx_vector& iv, |
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300 int j); |
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301 void do_matrix_assignment (const tree_constant& rhs, idx_vector& iv, |
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302 idx_vector& jv); |
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303 void do_matrix_assignment (const tree_constant& rhs, idx_vector& iv, |
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304 Range& j); |
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305 void do_matrix_assignment (const tree_constant& rhs, idx_vector& iv, |
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306 constant_type j); |
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307 |
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308 void do_matrix_assignment (const tree_constant& rhs, Range& i, int j); |
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309 void do_matrix_assignment (const tree_constant& rhs, Range& i, |
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310 idx_vector& jv); |
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311 void do_matrix_assignment (const tree_constant& rhs, Range& i, |
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312 Range& j); |
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313 void do_matrix_assignment (const tree_constant& rhs, Range& i, |
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314 constant_type j); |
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315 |
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316 void do_matrix_assignment (const tree_constant& rhs, constant_type i, int j); |
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317 void do_matrix_assignment (const tree_constant& rhs, constant_type i, |
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318 idx_vector& jv); |
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319 void do_matrix_assignment (const tree_constant& rhs, constant_type i, |
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320 Range& j); |
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321 void do_matrix_assignment (const tree_constant& rhs, |
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322 const constant_type i, |
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323 constant_type j); |
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324 |
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325 void delete_row (int); |
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326 void delete_rows (idx_vector& i); |
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327 void delete_rows (Range& i); |
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328 |
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329 void delete_column (int); |
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330 void delete_columns (idx_vector& j); |
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331 void delete_columns (Range& j); |
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332 |
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333 void maybe_mutate (void); |
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334 |
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335 void print (void); |
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336 |
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337 void print_code (ostream& os); |
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338 |
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339 char *type_as_string (void) const; |
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340 |
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341 // Binary and unary operations. |
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342 |
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343 friend tree_constant do_binary_op (tree_constant& a, tree_constant& b, |
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344 tree_expression::type t); |
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345 |
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346 friend tree_constant do_unary_op (tree_constant& a, |
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347 tree_expression::type t); |
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348 |
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349 // Data. |
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350 |
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351 int count; |
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352 constant_type type_tag; |
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353 union |
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354 { |
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355 double scalar; // A real scalar constant. |
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356 Matrix *matrix; // A real matrix constant. |
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357 Complex *complex_scalar; // A real scalar constant. |
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358 ComplexMatrix *complex_matrix; // A real matrix constant. |
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359 char *string; // A character string constant. |
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360 Range *range; // A set of evenly spaced values. |
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361 }; |
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362 char *orig_text; |
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363 |
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364 // ------------------------------------------------------------------- |
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365 |
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366 // These may not need to be member functions. |
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367 |
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368 tree_constant cumprod (void) const; |
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369 tree_constant cumsum (void) const; |
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370 tree_constant prod (void) const; |
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371 tree_constant sum (void) const; |
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372 tree_constant sumsq (void) const; |
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373 |
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374 tree_constant diag (void) const; |
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375 tree_constant diag (const tree_constant& a) const; |
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376 |
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377 tree_constant mapper (Mapper_fcn& m_fcn, int print) const; |
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378 |
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379 // ------------------------------------------------------------------- |
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380 |
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381 // We want to eliminate this. |
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382 |
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383 constant_type const_type (void) const { return type_tag; } |
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384 }; |
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385 |
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386 #endif |
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387 |
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388 /* |
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389 ;;; Local Variables: *** |
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390 ;;; mode: C++ *** |
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391 ;;; page-delimiter: "^/\\*" *** |
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392 ;;; End: *** |
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393 */ |
