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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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3503
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31 #include <iostream> |
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32 |
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3933
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33 #include "Cell.h" |
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34 #include "oct-obj.h" |
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3933
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35 #include "oct-map.h" |
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36 #include "ov-base.h" |
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37 #include "ov-base-mat.h" |
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3572
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38 #include "pr-output.h" |
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39 |
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40 template <class MT> |
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41 octave_value |
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42 octave_base_matrix<MT>::subsref (const std::string& type, |
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43 const std::list<octave_value_list>& idx) |
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44 { |
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45 octave_value retval; |
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46 |
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47 switch (type[0]) |
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48 { |
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49 case '(': |
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50 retval = do_index_op (idx.front ()); |
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51 break; |
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52 |
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53 case '{': |
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54 case '.': |
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55 { |
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56 std::string nm = type_name (); |
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57 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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58 } |
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59 break; |
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60 |
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61 default: |
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62 panic_impossible (); |
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63 } |
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64 |
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65 return retval.next_subsref (type, idx); |
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66 } |
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67 |
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68 template <class MT> |
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69 octave_value |
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70 octave_base_matrix<MT>::subsasgn (const std::string& type, |
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71 const std::list<octave_value_list>& idx, |
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72 const octave_value& rhs) |
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73 { |
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74 octave_value retval; |
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75 |
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76 switch (type[0]) |
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77 { |
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78 case '(': |
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79 { |
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80 if (type.length () == 1) |
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81 retval = numeric_assign (type, idx, rhs); |
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4436
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82 else if (is_empty ()) |
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83 { |
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84 // Allow conversion of empty matrix to some other type in |
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85 // cases like |
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86 // |
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87 // x = []; x(i).f = rhs |
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88 |
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89 octave_value tmp = octave_value::empty_conv (type, rhs); |
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90 |
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91 retval = tmp.subsasgn (type, idx, rhs); |
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92 } |
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93 else |
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94 { |
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95 std::string nm = type_name (); |
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96 error ("in indexed assignment of %s, last rhs index must be ()", |
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97 nm.c_str ()); |
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98 } |
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99 } |
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100 break; |
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101 |
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102 case '{': |
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103 case '.': |
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104 { |
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105 std::string nm = type_name (); |
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106 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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107 } |
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108 break; |
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109 |
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110 default: |
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111 panic_impossible (); |
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112 } |
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113 |
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114 return retval; |
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115 } |
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116 |
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117 template <class MT> |
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118 octave_value |
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119 octave_base_matrix<MT>::do_index_op (const octave_value_list& idx, |
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120 int resize_ok) |
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121 { |
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122 octave_value retval; |
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123 |
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124 int len = idx.length (); |
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125 |
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126 switch (len) |
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127 { |
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128 case 2: |
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129 { |
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130 idx_vector i = idx (0).index_vector (); |
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131 idx_vector j = idx (1).index_vector (); |
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132 |
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133 retval = MT (matrix.index (i, j, resize_ok, MT::resize_fill_value ())); |
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134 } |
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135 break; |
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136 |
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137 case 1: |
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138 { |
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139 idx_vector i = idx (0).index_vector (); |
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140 |
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141 retval = MT (matrix.index (i, resize_ok, MT::resize_fill_value ())); |
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142 } |
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143 break; |
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144 |
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145 default: |
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146 { |
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147 Array<idx_vector> idx_vec (len); |
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148 |
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149 for (int i = 0; i < len; i++) |
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150 idx_vec(i) = idx(i).index_vector (); |
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151 |
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152 retval = MT (matrix.index (idx_vec, resize_ok, |
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153 MT::resize_fill_value ())); |
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154 } |
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155 break; |
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156 } |
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157 |
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158 return retval; |
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159 } |
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160 |
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161 template <class MT> |
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162 void |
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163 octave_base_matrix<MT>::assign (const octave_value_list& idx, const MT& rhs) |
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164 { |
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165 int len = idx.length (); |
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166 |
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167 for (int i = 0; i < len; i++) |
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168 matrix.set_index (idx(i).index_vector ()); |
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169 |
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170 ::assign (matrix, rhs, MT::resize_fill_value ()); |
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171 } |
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172 |
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173 template <class MT> |
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174 bool |
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175 octave_base_matrix<MT>::is_true (void) const |
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176 { |
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177 bool retval = false; |
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178 |
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179 if (rows () > 0 && columns () > 0) |
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180 { |
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181 boolMatrix m = (matrix.all () . all ()); |
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182 |
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183 retval = (m.rows () == 1 && m.columns () == 1 && m(0,0)); |
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184 } |
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185 |
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186 return retval; |
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187 } |
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188 |
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189 template <class MT> |
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190 bool |
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191 octave_base_matrix<MT>::print_as_scalar (void) const |
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192 { |
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193 int nr = rows (); |
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194 int nc = columns (); |
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195 |
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196 return (nr == 1 && nc == 1 || (nr == 0 || nc == 0)); |
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197 } |
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198 |
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199 template <class MT> |
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200 void |
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201 octave_base_matrix<MT>::print (std::ostream& os, bool pr_as_read_syntax) const |
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202 { |
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203 print_raw (os, pr_as_read_syntax); |
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204 newline (os); |
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205 } |
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206 |
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207 template <class MT> |
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208 void |
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209 octave_base_matrix<MT>::print_raw (std::ostream& os, |
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210 bool pr_as_read_syntax) const |
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211 { |
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212 octave_print_internal (os, matrix, pr_as_read_syntax, |
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213 current_print_indent_level ()); |
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214 } |
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215 |
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216 template <class MT> |
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217 bool |
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218 octave_base_matrix<MT>::print_name_tag (std::ostream& os, |
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219 const std::string& name) const |
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220 { |
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221 bool retval = false; |
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222 |
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223 indent (os); |
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224 |
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225 if (print_as_scalar ()) |
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226 os << name << " = "; |
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227 else |
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228 { |
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229 os << name << " ="; |
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230 newline (os); |
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231 newline (os); |
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232 retval = true; |
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233 } |
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234 |
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235 return retval; |
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236 } |
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237 |
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238 template <class MT> |
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239 void |
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240 octave_base_matrix<MT>::print_info (std::ostream& os, |
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241 const std::string& prefix) const |
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242 { |
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243 matrix.print_info (os, prefix); |
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244 } |
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245 |
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246 /* |
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247 ;;; Local Variables: *** |
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248 ;;; mode: C++ *** |
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249 ;;; End: *** |
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250 */ |
