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