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1 /* |
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2 |
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3 Copyright (C) 2000 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__) |
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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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31 #include <iostream> |
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32 |
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33 #include "lo-ieee.h" |
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34 #include "lo-utils.h" |
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35 #include "mx-base.h" |
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36 |
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37 #include "gripes.h" |
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38 #include "oct-obj.h" |
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39 #include "oct-lvalue.h" |
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40 #include "ops.h" |
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41 #include "ov-base.h" |
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42 #include "ov-base-nd-array.h" |
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43 #include "ov-base-nd-array.cc" |
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44 #include "ov-re-nd-array.h" |
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45 #include "pr-output.h" |
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46 #include "variables.h" |
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47 |
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48 template class octave_base_nd_array<ArrayN<double> >; |
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49 |
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50 DEFINE_OCTAVE_ALLOCATOR (octave_double_nd_array); |
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51 |
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52 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_double_nd_array, |
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53 "double-nd-array"); |
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54 |
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55 #if 0 |
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56 octave_value * |
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57 octave_matrix::try_narrowing_conversion (void) |
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58 { |
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59 octave_value *retval = 0; |
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60 |
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61 int nr = matrix.rows (); |
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62 int nc = matrix.cols (); |
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63 |
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64 if (nr == 1 && nc == 1) |
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65 retval = new octave_scalar (matrix (0, 0)); |
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66 |
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67 return retval; |
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68 } |
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69 |
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70 #if !defined (CXX_NEW_FRIEND_TEMPLATE_DECL) |
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71 extern void assign (Array2<double>&, const Array2<double>&); |
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72 #endif |
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73 |
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74 void |
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75 octave_matrix::assign (const octave_value_list& idx, const Matrix& rhs) |
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76 { |
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77 int len = idx.length (); |
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78 |
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79 switch (len) |
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80 { |
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81 case 2: |
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82 { |
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83 idx_vector i = idx (0).index_vector (); |
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84 idx_vector j = idx (1).index_vector (); |
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85 |
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86 matrix.set_index (i); |
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87 matrix.set_index (j); |
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88 |
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89 ::assign (matrix, rhs); |
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90 } |
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91 break; |
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92 |
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93 case 1: |
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94 { |
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95 idx_vector i = idx (0).index_vector (); |
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96 |
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97 matrix.set_index (i); |
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98 |
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99 ::assign (matrix, rhs); |
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100 } |
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101 break; |
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102 |
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103 default: |
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104 error ("invalid number of indices (%d) for indexed matrix assignment", |
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105 len); |
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106 break; |
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107 } |
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108 } |
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109 |
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110 bool |
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111 octave_matrix::valid_as_scalar_index (void) const |
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112 { |
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113 // XXX FIXME XXX |
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114 return false; |
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115 } |
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116 |
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117 double |
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118 octave_matrix::double_value (bool) const |
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119 { |
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120 double retval = octave_NaN; |
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121 |
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122 // XXX FIXME XXX -- maybe this should be a function, valid_as_scalar() |
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123 if ((rows () == 1 && columns () == 1) |
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124 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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125 retval = matrix (0, 0); |
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126 else |
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127 gripe_invalid_conversion ("real matrix", "real scalar"); |
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128 |
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129 return retval; |
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130 } |
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131 |
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132 Complex |
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133 octave_matrix::complex_value (bool) const |
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134 { |
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135 Complex retval (octave_NaN, octave_NaN); |
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136 |
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137 if ((rows () == 1 && columns () == 1) |
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138 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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139 retval = matrix (0, 0); |
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140 else |
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141 gripe_invalid_conversion ("real matrix", "complex scalar"); |
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142 |
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143 return retval; |
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144 } |
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145 #endif |
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146 |
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147 /* |
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148 ;;; Local Variables: *** |
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149 ;;; mode: C++ *** |
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150 ;;; End: *** |
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151 */ |
