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1 /* |
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2 |
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3 Copyright (C) 2004, 2005, 2006, 2007 David Bateman |
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4 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Andy Adler |
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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 3 of the License, or (at your |
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11 option) any 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, see |
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20 <http://www.gnu.org/licenses/>. |
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21 |
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22 */ |
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23 |
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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28 #include "gripes.h" |
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29 #include "oct-obj.h" |
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30 #include "ov.h" |
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31 #include "ov-typeinfo.h" |
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32 #include "ov-re-mat.h" |
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33 #include "ops.h" |
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34 |
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35 #include "sparse-xpow.h" |
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36 #include "sparse-xdiv.h" |
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37 #include "ov-re-sparse.h" |
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38 |
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39 // sparse matrix unary ops. |
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40 |
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41 DEFUNOP_OP (not, sparse_matrix, !) |
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42 DEFUNOP_OP (uplus, sparse_matrix, /* no-op */) |
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43 DEFUNOP_OP (uminus, sparse_matrix, -) |
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44 |
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45 DEFUNOP (transpose, sparse_matrix) |
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46 { |
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47 CAST_UNOP_ARG (const octave_sparse_matrix&); |
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48 return octave_value (v.sparse_matrix_value().transpose (), |
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49 v.matrix_type ().transpose ()); |
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50 } |
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51 |
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52 // sparse matrix by sparse matrix ops. |
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53 |
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54 DEFBINOP_OP (add, sparse_matrix, sparse_matrix, +) |
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55 |
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56 // DEFBINOP_OP (sub, sparse_matrix, sparse_matrix, -) |
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57 |
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58 static octave_value |
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59 oct_binop_sub (const octave_base_value& a1, const octave_base_value& a2) |
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60 { |
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61 const octave_sparse_matrix& v1 = dynamic_cast<const octave_sparse_matrix&> (a1); |
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62 const octave_sparse_matrix& v2 = dynamic_cast<const octave_sparse_matrix&> (a2); |
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63 SparseMatrix m = v1.sparse_matrix_value () - v2.sparse_matrix_value (); |
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64 |
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65 return octave_value (m); |
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66 } |
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67 |
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68 DEFBINOP_OP (mul, sparse_matrix, sparse_matrix, *) |
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69 |
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70 DEFBINOP (div, sparse_matrix, sparse_matrix) |
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71 { |
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72 CAST_BINOP_ARGS (const octave_sparse_matrix&, const octave_sparse_matrix&); |
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73 |
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74 if (v2.rows() == 1 && v2.columns() == 1) |
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75 { |
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76 double d = v2.scalar_value (); |
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77 |
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78 if (d == 0.0) |
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79 gripe_divide_by_zero (); |
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80 |
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81 return octave_value (v1.sparse_matrix_value () / d); |
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82 } |
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83 else |
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84 { |
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85 MatrixType typ = v2.matrix_type (); |
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86 SparseMatrix ret = xdiv (v1.sparse_matrix_value (), |
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87 v2.sparse_matrix_value (), typ); |
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88 |
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89 v2.matrix_type (typ); |
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90 return ret; |
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91 } |
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92 } |
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93 |
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94 DEFBINOPX (pow, sparse_matrix, sparse_matrix) |
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95 { |
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96 error ("can't do A ^ B for A and B both matrices"); |
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97 return octave_value (); |
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98 } |
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99 |
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100 DEFBINOP (ldiv, sparse_matrix, sparse_matrix) |
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101 { |
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102 CAST_BINOP_ARGS (const octave_sparse_matrix&, const octave_sparse_matrix&); |
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103 |
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104 if (v1.rows() == 1 && v1.columns() == 1) |
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105 { |
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106 double d = v1.double_value (); |
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107 |
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108 if (d == 0.0) |
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109 gripe_divide_by_zero (); |
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110 |
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111 return octave_value (v2.sparse_matrix_value () / d); |
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112 } |
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113 else |
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114 { |
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115 MatrixType typ = v1.matrix_type (); |
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116 |
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117 SparseMatrix ret = xleftdiv (v1.sparse_matrix_value (), |
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118 v2.sparse_matrix_value (), typ); |
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119 |
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120 v1.matrix_type (typ); |
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121 return ret; |
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122 } |
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123 } |
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124 |
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125 DEFBINOP_FN (lt, sparse_matrix, sparse_matrix, mx_el_lt) |
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126 DEFBINOP_FN (le, sparse_matrix, sparse_matrix, mx_el_le) |
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127 DEFBINOP_FN (eq, sparse_matrix, sparse_matrix, mx_el_eq) |
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128 DEFBINOP_FN (ge, sparse_matrix, sparse_matrix, mx_el_ge) |
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129 DEFBINOP_FN (gt, sparse_matrix, sparse_matrix, mx_el_gt) |
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130 DEFBINOP_FN (ne, sparse_matrix, sparse_matrix, mx_el_ne) |
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131 |
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132 DEFBINOP_FN (el_mul, sparse_matrix, sparse_matrix, product) |
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133 DEFBINOP_FN (el_div, sparse_matrix, sparse_matrix, quotient) |
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134 |
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135 DEFBINOP_FN (el_pow, sparse_matrix, sparse_matrix, elem_xpow) |
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136 |
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137 DEFBINOP (el_ldiv, sparse_matrix, sparse_matrix) |
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138 { |
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139 CAST_BINOP_ARGS (const octave_sparse_matrix&, const octave_sparse_matrix&); |
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140 return octave_value |
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141 (quotient (v2.sparse_matrix_value (), v1.sparse_matrix_value ())); |
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142 } |
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143 |
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144 DEFBINOP_FN (el_and, sparse_matrix, sparse_matrix, mx_el_and) |
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145 DEFBINOP_FN (el_or, sparse_matrix, sparse_matrix, mx_el_or) |
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146 |
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147 DEFCATOP_FN (sm_sm, sparse_matrix, sparse_matrix, concat) |
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148 |
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149 DEFASSIGNOP_FN (assign, sparse_matrix, sparse_matrix, assign) |
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150 |
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151 void |
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152 install_sm_sm_ops (void) |
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153 { |
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154 INSTALL_UNOP (op_not, octave_sparse_matrix, not); |
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155 INSTALL_UNOP (op_uplus, octave_sparse_matrix, uplus); |
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156 INSTALL_UNOP (op_uminus, octave_sparse_matrix, uminus); |
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157 INSTALL_UNOP (op_transpose, octave_sparse_matrix, transpose); |
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158 INSTALL_UNOP (op_hermitian, octave_sparse_matrix, transpose); |
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159 |
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160 INSTALL_BINOP (op_add, octave_sparse_matrix, octave_sparse_matrix, add); |
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161 INSTALL_BINOP (op_sub, octave_sparse_matrix, octave_sparse_matrix, sub); |
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162 INSTALL_BINOP (op_mul, octave_sparse_matrix, octave_sparse_matrix, mul); |
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163 INSTALL_BINOP (op_div, octave_sparse_matrix, octave_sparse_matrix, div); |
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164 INSTALL_BINOP (op_pow, octave_sparse_matrix, octave_sparse_matrix, pow); |
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165 INSTALL_BINOP (op_ldiv, octave_sparse_matrix, octave_sparse_matrix, ldiv); |
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166 INSTALL_BINOP (op_lt, octave_sparse_matrix, octave_sparse_matrix, lt); |
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167 INSTALL_BINOP (op_le, octave_sparse_matrix, octave_sparse_matrix, le); |
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168 INSTALL_BINOP (op_eq, octave_sparse_matrix, octave_sparse_matrix, eq); |
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169 INSTALL_BINOP (op_ge, octave_sparse_matrix, octave_sparse_matrix, ge); |
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170 INSTALL_BINOP (op_gt, octave_sparse_matrix, octave_sparse_matrix, gt); |
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171 INSTALL_BINOP (op_ne, octave_sparse_matrix, octave_sparse_matrix, ne); |
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172 INSTALL_BINOP (op_el_mul, octave_sparse_matrix, octave_sparse_matrix, |
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173 el_mul); |
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174 INSTALL_BINOP (op_el_div, octave_sparse_matrix, octave_sparse_matrix, |
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175 el_div); |
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176 INSTALL_BINOP (op_el_pow, octave_sparse_matrix, octave_sparse_matrix, |
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177 el_pow); |
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178 INSTALL_BINOP (op_el_ldiv, octave_sparse_matrix, octave_sparse_matrix, |
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179 el_ldiv); |
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180 INSTALL_BINOP (op_el_and, octave_sparse_matrix, octave_sparse_matrix, |
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181 el_and); |
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182 INSTALL_BINOP (op_el_or, octave_sparse_matrix, octave_sparse_matrix, |
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183 el_or); |
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184 |
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185 INSTALL_CATOP (octave_sparse_matrix, octave_sparse_matrix, sm_sm); |
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186 |
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187 INSTALL_ASSIGNOP (op_asn_eq, octave_sparse_matrix, octave_sparse_matrix, |
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188 assign); |
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189 } |
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190 |
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191 /* |
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192 ;;; Local Variables: *** |
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193 ;;; mode: C++ *** |
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194 ;;; End: *** |
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195 */ |
