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1 /* |
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2 |
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3 Copyright (C) 1998 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 3 of the License, or (at your |
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10 option) any 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, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_base_matrix_h) |
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24 #define octave_base_matrix_h 1 |
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25 |
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26 #include <cstdlib> |
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27 |
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28 #include <iostream> |
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29 #include <string> |
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30 |
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31 #include "mx-base.h" |
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32 #include "str-vec.h" |
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33 #include "MatrixType.h" |
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34 |
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35 #include "error.h" |
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36 #include "oct-obj.h" |
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37 #include "ov-base.h" |
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38 #include "ov-typeinfo.h" |
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39 |
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40 class Octave_map; |
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41 |
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42 class tree_walker; |
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43 |
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44 // Real matrix values. |
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45 |
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46 template <class MT> |
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47 class |
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48 octave_base_matrix : public octave_base_value |
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49 { |
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50 public: |
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51 |
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52 octave_base_matrix (void) |
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53 : octave_base_value (), typ (MatrixType ()) { } |
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54 |
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55 octave_base_matrix (const MT& m, const MatrixType& t = MatrixType ()) |
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56 : octave_base_value (), matrix (m), typ (t) |
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57 { |
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58 if (matrix.ndims () == 0) |
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59 matrix.resize (dim_vector (0, 0)); |
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60 } |
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61 |
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62 octave_base_matrix (const octave_base_matrix& m) |
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63 : octave_base_value (), matrix (m.matrix), typ (m.typ) { } |
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64 |
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65 ~octave_base_matrix (void) { } |
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66 |
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67 octave_base_value *clone (void) const { return new octave_base_matrix (*this); } |
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68 octave_base_value *empty_clone (void) const { return new octave_base_matrix (); } |
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69 |
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70 size_t byte_size (void) const { return matrix.byte_size (); } |
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71 |
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72 octave_value squeeze (void) const { return MT (matrix.squeeze ()); } |
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73 |
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74 octave_value subsref (const std::string& type, |
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75 const std::list<octave_value_list>& idx); |
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76 |
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77 octave_value_list subsref (const std::string&, |
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78 const std::list<octave_value_list>&, int) |
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79 { |
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80 panic_impossible (); |
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81 return octave_value_list (); |
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82 } |
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83 |
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84 octave_value subsasgn (const std::string& type, |
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85 const std::list<octave_value_list>& idx, |
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86 const octave_value& rhs); |
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87 |
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88 octave_value do_index_op (const octave_value_list& idx, |
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89 bool resize_ok = false); |
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90 |
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91 void assign (const octave_value_list& idx, const MT& rhs); |
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92 |
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93 dim_vector dims (void) const { return matrix.dims (); } |
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94 |
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95 octave_idx_type nnz (void) const { return matrix.nnz (); } |
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96 |
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97 octave_value reshape (const dim_vector& new_dims) const |
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98 { return MT (matrix.reshape (new_dims)); } |
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99 |
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100 octave_value permute (const Array<int>& vec, bool inv = false) const |
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101 { return MT (matrix.permute (vec, inv)); } |
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102 |
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103 octave_value resize (const dim_vector& dv, bool fill = false) const; |
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104 |
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105 octave_value all (int dim = 0) const { return matrix.all (dim); } |
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106 octave_value any (int dim = 0) const { return matrix.any (dim); } |
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107 |
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108 MatrixType matrix_type (void) const { return typ; } |
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109 MatrixType matrix_type (const MatrixType& _typ) const |
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110 { MatrixType ret = typ; typ = _typ; return ret; } |
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111 |
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112 bool is_matrix_type (void) const { return true; } |
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113 |
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114 bool is_numeric_type (void) const { return true; } |
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115 |
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116 bool is_defined (void) const { return true; } |
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117 |
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118 bool is_constant (void) const { return true; } |
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119 |
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120 bool is_true (void) const; |
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121 |
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122 bool print_as_scalar (void) const; |
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123 |
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124 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
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125 |
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126 void print_info (std::ostream& os, const std::string& prefix) const; |
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127 |
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128 // Unsafe. This function exists to support the MEX interface. |
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129 // You should not use it anywhere else. |
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130 void *mex_get_data (void) const { return matrix.mex_get_data (); } |
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131 |
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132 protected: |
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133 |
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134 MT matrix; |
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135 |
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136 mutable MatrixType typ; |
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137 }; |
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138 |
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139 #endif |
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140 |
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141 /* |
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142 ;;; Local Variables: *** |
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143 ;;; mode: C++ *** |
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144 ;;; End: *** |
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145 */ |
