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5164
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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 Free |
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18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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19 |
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20 */ |
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21 |
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22 #ifdef HAVE_CONFIG_H |
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23 #include <config.h> |
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24 #endif |
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25 |
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26 #include "gripes.h" |
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27 #include "oct-obj.h" |
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28 #include "ov.h" |
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29 #include "ov-typeinfo.h" |
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30 #include "ov-scalar.h" |
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31 #include "ops.h" |
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32 #include "xpow.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 // scalar by sparse matrix ops. |
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39 |
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40 DEFBINOP_OP (add, scalar, sparse_matrix, +) |
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41 DEFBINOP_OP (sub, scalar, sparse_matrix, -) |
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42 DEFBINOP_OP (mul, scalar, sparse_matrix, *) |
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43 |
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44 DEFBINOP (div, scalar, sparse_matrix) |
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45 { |
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46 CAST_BINOP_ARGS (const octave_scalar&, const octave_sparse_matrix&); |
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47 |
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48 Matrix m1 = Matrix (1, 1, v1.double_value ()); |
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49 SparseMatrix m2 = v2.sparse_matrix_value (); |
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50 |
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51 return xdiv (m1, m2); |
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52 } |
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53 |
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54 DEFBINOP (pow, scalar, sparse_matrix) |
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55 { |
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56 CAST_BINOP_ARGS (const octave_scalar&, const octave_sparse_matrix&); |
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57 return xpow (v1.scalar_value (), v2.matrix_value ()); |
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58 } |
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59 |
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60 DEFBINOP (ldiv, scalar, sparse_matrix) |
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61 { |
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62 CAST_BINOP_ARGS (const octave_scalar&, const octave_sparse_matrix&); |
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63 |
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64 double d = v1.double_value (); |
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65 octave_value retval; |
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66 |
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67 if (d == 0.0) |
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68 { |
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69 gripe_divide_by_zero (); |
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70 |
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71 retval = octave_value (v2.matrix_value () / d); |
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72 } |
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73 else |
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74 retval = octave_value (v2.sparse_matrix_value () / d); |
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75 |
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76 return retval; |
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77 } |
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78 |
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79 DEFBINOP_FN (lt, scalar, sparse_matrix, mx_el_lt) |
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80 DEFBINOP_FN (le, scalar, sparse_matrix, mx_el_le) |
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81 DEFBINOP_FN (eq, scalar, sparse_matrix, mx_el_eq) |
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82 DEFBINOP_FN (ge, scalar, sparse_matrix, mx_el_ge) |
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83 DEFBINOP_FN (gt, scalar, sparse_matrix, mx_el_gt) |
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84 DEFBINOP_FN (ne, scalar, sparse_matrix, mx_el_ne) |
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85 |
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86 DEFBINOP_OP (el_mul, scalar, sparse_matrix, *) |
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87 DEFBINOP_FN (el_div, scalar, sparse_matrix, x_el_div) |
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88 DEFBINOP_FN (el_pow, scalar, sparse_matrix, elem_xpow) |
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89 |
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90 DEFBINOP (el_ldiv, scalar, sparse_matrix) |
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91 { |
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92 CAST_BINOP_ARGS (const octave_scalar&, const octave_sparse_matrix&); |
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93 |
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94 double d = v1.double_value (); |
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95 octave_value retval; |
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96 |
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97 if (d == 0.0) |
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98 { |
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99 gripe_divide_by_zero (); |
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100 |
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101 retval = octave_value (v2.matrix_value () / d); |
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102 } |
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103 else |
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104 retval = octave_value (v2.sparse_matrix_value () / d); |
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105 |
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106 return retval; |
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107 } |
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108 |
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109 DEFBINOP_FN (el_and, scalar, sparse_matrix, mx_el_and) |
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110 DEFBINOP_FN (el_or, scalar, sparse_matrix, mx_el_or) |
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111 |
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112 DEFCATOP (s_sm, scalar, sparse_matrix) |
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113 { |
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114 CAST_BINOP_ARGS (octave_scalar&, const octave_sparse_matrix&); |
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115 SparseMatrix tmp (1, 1, v1.scalar_value ()); |
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116 return octave_value (tmp. concat (v2.sparse_matrix_value (), ra_idx)); |
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117 } |
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118 |
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119 DEFCONV (sparse_matrix_conv, scalar, sparse_matrix) |
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120 { |
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121 CAST_CONV_ARG (const octave_scalar&); |
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122 |
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123 return new octave_sparse_matrix (SparseMatrix (v.matrix_value ())); |
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124 } |
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125 |
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126 void |
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127 install_s_sm_ops (void) |
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128 { |
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129 INSTALL_BINOP (op_add, octave_scalar, octave_sparse_matrix, add); |
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130 INSTALL_BINOP (op_sub, octave_scalar, octave_sparse_matrix, sub); |
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131 INSTALL_BINOP (op_mul, octave_scalar, octave_sparse_matrix, mul); |
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132 INSTALL_BINOP (op_div, octave_scalar, octave_sparse_matrix, div); |
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133 INSTALL_BINOP (op_pow, octave_scalar, octave_sparse_matrix, pow); |
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134 INSTALL_BINOP (op_ldiv, octave_scalar, octave_sparse_matrix, ldiv); |
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135 INSTALL_BINOP (op_lt, octave_scalar, octave_sparse_matrix, lt); |
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136 INSTALL_BINOP (op_le, octave_scalar, octave_sparse_matrix, le); |
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137 INSTALL_BINOP (op_eq, octave_scalar, octave_sparse_matrix, eq); |
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138 INSTALL_BINOP (op_ge, octave_scalar, octave_sparse_matrix, ge); |
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139 INSTALL_BINOP (op_gt, octave_scalar, octave_sparse_matrix, gt); |
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140 INSTALL_BINOP (op_ne, octave_scalar, octave_sparse_matrix, ne); |
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141 INSTALL_BINOP (op_el_mul, octave_scalar, octave_sparse_matrix, el_mul); |
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142 INSTALL_BINOP (op_el_div, octave_scalar, octave_sparse_matrix, el_div); |
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143 INSTALL_BINOP (op_el_pow, octave_scalar, octave_sparse_matrix, el_pow); |
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144 INSTALL_BINOP (op_el_ldiv, octave_scalar, octave_sparse_matrix, el_ldiv); |
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145 INSTALL_BINOP (op_el_and, octave_scalar, octave_sparse_matrix, el_and); |
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146 INSTALL_BINOP (op_el_or, octave_scalar, octave_sparse_matrix, el_or); |
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147 |
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148 INSTALL_CATOP (octave_scalar, octave_sparse_matrix, s_sm); |
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149 |
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150 INSTALL_ASSIGNCONV (octave_scalar, octave_sparse_matrix, octave_matrix); |
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151 |
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152 INSTALL_WIDENOP (octave_scalar, octave_sparse_matrix, sparse_matrix_conv); |
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153 } |
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154 |
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155 /* |
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156 ;;; Local Variables: *** |
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157 ;;; mode: C++ *** |
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158 ;;; End: *** |
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159 */ |
