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1 /* |
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2 |
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3 Copyright (C) 2004 David Bateman |
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4 Copyright (C) 1998-2004 Andy Adler |
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5 |
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6 Octave is free software; you can redistribute it and/or modify it |
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7 under the terms of the GNU General Public License as published by the |
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8 Free Software Foundation; either version 2, or (at your option) any |
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9 later version. |
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10 |
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11 Octave is distributed in the hope that it will be useful, but WITHOUT |
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 for more details. |
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15 |
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16 You should have received a copy of the GNU General Public License |
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17 along with this program; see the file COPYING. If not, write to the |
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18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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19 Boston, MA 02110-1301, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_base_sparse_h) |
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24 #define octave_base_sparse_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 "str-vec.h" |
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32 |
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33 #include "error.h" |
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34 #include "oct-obj.h" |
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35 #include "ov-base.h" |
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36 #include "ov-typeinfo.h" |
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37 |
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38 #include "boolSparse.h" |
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39 #include "MatrixType.h" |
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40 |
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41 class Octave_map; |
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42 |
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43 class tree_walker; |
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44 |
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45 class octave_sparse_bool_matrix; |
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46 |
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47 template <class T> |
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48 class |
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49 octave_base_sparse : public octave_base_value |
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50 { |
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51 public: |
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52 |
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53 octave_base_sparse (void) : octave_base_value (), typ (MatrixType ()) { } |
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54 |
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55 octave_base_sparse (const T& a) : octave_base_value (), matrix (a), |
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56 typ (MatrixType ()) |
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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_sparse (const T& a, const MatrixType& t) : octave_base_value (), |
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63 matrix (a), typ (t) |
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64 { |
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65 if (matrix.ndims () == 0) |
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66 matrix.resize (dim_vector (0, 0)); |
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67 } |
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68 |
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69 octave_base_sparse (const octave_base_sparse& a) : |
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70 octave_base_value (), matrix (a.matrix), typ (a.typ) { } |
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71 |
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72 ~octave_base_sparse (void) { } |
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73 |
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74 octave_base_value *clone (void) const { return new octave_base_sparse (*this); } |
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75 octave_base_value *empty_clone (void) const |
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76 { return new octave_base_sparse (); } |
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77 |
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78 octave_idx_type nnz (void) const { return matrix.nnz (); } |
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79 |
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80 octave_idx_type nzmax (void) const { return matrix.nzmax (); } |
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81 |
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82 size_t byte_size (void) const { return matrix.byte_size (); } |
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83 |
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84 octave_value squeeze (void) const { return matrix.squeeze (); } |
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85 |
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86 octave_value subsref (const std::string& type, |
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87 const std::list<octave_value_list>& idx); |
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88 |
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89 octave_value_list subsref (const std::string&, |
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90 const std::list<octave_value_list>&, int) |
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91 { |
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92 panic_impossible (); |
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93 return octave_value_list (); |
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94 } |
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95 |
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96 octave_value subsasgn (const std::string& type, |
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97 const std::list<octave_value_list>& idx, |
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98 const octave_value& rhs); |
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99 |
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100 void assign (const octave_value_list& idx, const T& rhs); |
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101 |
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102 dim_vector dims (void) const { return matrix.dims (); } |
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103 |
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104 octave_value do_index_op (const octave_value_list& idx, |
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105 bool resize_ok = false); |
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106 |
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107 octave_value reshape (const dim_vector& new_dims) const |
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108 { return T (matrix.reshape (new_dims)); } |
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109 |
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110 octave_value permute (const Array<int>& vec, bool inv = false) const |
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111 { return T (matrix.permute (vec, inv)); } |
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112 |
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113 octave_value resize (const dim_vector& dv, bool = false) const; |
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114 |
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115 octave_value all (int dim = 0) const { return matrix.all (dim); } |
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116 octave_value any (int dim = 0) const { return matrix.any (dim); } |
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117 |
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118 MatrixType matrix_type (void) const { return typ; } |
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119 MatrixType matrix_type (const MatrixType& _typ) const |
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120 { MatrixType ret = typ; typ = _typ; return ret; } |
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121 |
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122 bool is_matrix_type (void) const { return true; } |
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123 |
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124 bool is_numeric_type (void) const { return true; } |
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125 |
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126 bool is_sparse_type (void) const { return true; } |
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127 |
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128 bool is_defined (void) const { return true; } |
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129 |
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130 bool is_constant (void) const { return true; } |
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131 |
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132 bool is_true (void) const; |
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133 |
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134 octave_idx_type capacity (void) const { return matrix.capacity (); } |
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135 |
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136 bool print_as_scalar (void) const; |
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137 |
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138 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
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139 |
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140 void print_info (std::ostream& os, const std::string& prefix) const; |
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141 |
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142 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; |
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143 |
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144 bool save_ascii (std::ostream& os, bool& infnan_warned); |
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145 |
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146 bool load_ascii (std::istream& is); |
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147 |
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148 // Unsafe. These functions exists to support the MEX interface. |
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149 // You should not use them anywhere else. |
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150 void *mex_get_data (void) const { return matrix.mex_get_data (); } |
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151 |
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152 octave_idx_type *mex_get_ir (void) const { return matrix.mex_get_ir (); } |
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153 |
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154 octave_idx_type *mex_get_jc (void) const { return matrix.mex_get_jc (); } |
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155 |
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156 protected: |
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157 |
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158 T matrix; |
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159 |
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160 mutable MatrixType typ; |
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161 }; |
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162 |
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163 #endif |
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164 |
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165 /* |
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166 ;;; Local Variables: *** |
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167 ;;; mode: C++ *** |
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168 ;;; End: *** |
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169 */ |
