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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-scalar.h" |
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32 #include "ops.h" |
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33 #include "xpow.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 // scalar by sparse matrix ops. |
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40 |
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41 DEFBINOP_OP (add, scalar, sparse_matrix, +) |
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42 DEFBINOP_OP (sub, scalar, sparse_matrix, -) |
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43 DEFBINOP_OP (mul, scalar, sparse_matrix, *) |
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44 |
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45 DEFBINOP (div, scalar, sparse_matrix) |
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46 { |
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47 CAST_BINOP_ARGS (const octave_scalar&, const octave_sparse_matrix&); |
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48 |
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49 MatrixType typ = v2.matrix_type (); |
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50 Matrix m1 = Matrix (1, 1, v1.double_value ()); |
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51 SparseMatrix m2 = v2.sparse_matrix_value (); |
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52 Matrix ret = xdiv (m1, m2, typ); |
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53 v2.matrix_type (typ); |
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54 |
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55 return ret; |
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56 } |
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57 |
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58 DEFBINOP (pow, scalar, sparse_matrix) |
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59 { |
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60 CAST_BINOP_ARGS (const octave_scalar&, const octave_sparse_matrix&); |
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61 return xpow (v1.scalar_value (), v2.matrix_value ()); |
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62 } |
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63 |
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64 DEFBINOP (ldiv, scalar, sparse_matrix) |
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65 { |
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66 CAST_BINOP_ARGS (const octave_scalar&, const octave_sparse_matrix&); |
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67 |
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68 double d = v1.double_value (); |
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69 octave_value retval; |
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70 |
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71 if (d == 0.0) |
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72 { |
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73 gripe_divide_by_zero (); |
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74 |
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75 retval = octave_value (v2.matrix_value () / d); |
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76 } |
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77 else |
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78 retval = octave_value (v2.sparse_matrix_value () / d); |
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79 |
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80 return retval; |
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81 } |
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82 |
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83 DEFBINOP_FN (lt, scalar, sparse_matrix, mx_el_lt) |
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84 DEFBINOP_FN (le, scalar, sparse_matrix, mx_el_le) |
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85 DEFBINOP_FN (eq, scalar, sparse_matrix, mx_el_eq) |
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86 DEFBINOP_FN (ge, scalar, sparse_matrix, mx_el_ge) |
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87 DEFBINOP_FN (gt, scalar, sparse_matrix, mx_el_gt) |
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88 DEFBINOP_FN (ne, scalar, sparse_matrix, mx_el_ne) |
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89 |
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90 DEFBINOP_OP (el_mul, scalar, sparse_matrix, *) |
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91 DEFBINOP_FN (el_div, scalar, sparse_matrix, x_el_div) |
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92 DEFBINOP_FN (el_pow, scalar, sparse_matrix, elem_xpow) |
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93 |
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94 DEFBINOP (el_ldiv, scalar, sparse_matrix) |
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95 { |
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96 CAST_BINOP_ARGS (const octave_scalar&, const octave_sparse_matrix&); |
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97 |
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98 double d = v1.double_value (); |
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99 octave_value retval; |
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100 |
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101 if (d == 0.0) |
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102 { |
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103 gripe_divide_by_zero (); |
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104 |
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105 retval = octave_value (v2.matrix_value () / d); |
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106 } |
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107 else |
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108 retval = octave_value (v2.sparse_matrix_value () / d); |
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109 |
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110 return retval; |
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111 } |
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112 |
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113 DEFBINOP_FN (el_and, scalar, sparse_matrix, mx_el_and) |
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114 DEFBINOP_FN (el_or, scalar, sparse_matrix, mx_el_or) |
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115 |
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116 DEFCATOP (s_sm, scalar, sparse_matrix) |
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117 { |
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118 CAST_BINOP_ARGS (octave_scalar&, const octave_sparse_matrix&); |
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119 SparseMatrix tmp (1, 1, v1.scalar_value ()); |
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120 return octave_value (tmp.concat (v2.sparse_matrix_value (), ra_idx)); |
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121 } |
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122 |
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123 DEFCONV (sparse_matrix_conv, scalar, sparse_matrix) |
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124 { |
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125 CAST_CONV_ARG (const octave_scalar&); |
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126 |
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127 return new octave_sparse_matrix (SparseMatrix (v.matrix_value ())); |
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128 } |
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129 |
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130 void |
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131 install_s_sm_ops (void) |
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132 { |
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133 INSTALL_BINOP (op_add, octave_scalar, octave_sparse_matrix, add); |
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134 INSTALL_BINOP (op_sub, octave_scalar, octave_sparse_matrix, sub); |
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135 INSTALL_BINOP (op_mul, octave_scalar, octave_sparse_matrix, mul); |
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136 INSTALL_BINOP (op_div, octave_scalar, octave_sparse_matrix, div); |
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137 INSTALL_BINOP (op_pow, octave_scalar, octave_sparse_matrix, pow); |
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138 INSTALL_BINOP (op_ldiv, octave_scalar, octave_sparse_matrix, ldiv); |
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139 INSTALL_BINOP (op_lt, octave_scalar, octave_sparse_matrix, lt); |
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140 INSTALL_BINOP (op_le, octave_scalar, octave_sparse_matrix, le); |
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141 INSTALL_BINOP (op_eq, octave_scalar, octave_sparse_matrix, eq); |
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142 INSTALL_BINOP (op_ge, octave_scalar, octave_sparse_matrix, ge); |
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143 INSTALL_BINOP (op_gt, octave_scalar, octave_sparse_matrix, gt); |
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144 INSTALL_BINOP (op_ne, octave_scalar, octave_sparse_matrix, ne); |
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145 INSTALL_BINOP (op_el_mul, octave_scalar, octave_sparse_matrix, el_mul); |
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146 INSTALL_BINOP (op_el_div, octave_scalar, octave_sparse_matrix, el_div); |
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147 INSTALL_BINOP (op_el_pow, octave_scalar, octave_sparse_matrix, el_pow); |
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148 INSTALL_BINOP (op_el_ldiv, octave_scalar, octave_sparse_matrix, el_ldiv); |
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149 INSTALL_BINOP (op_el_and, octave_scalar, octave_sparse_matrix, el_and); |
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150 INSTALL_BINOP (op_el_or, octave_scalar, octave_sparse_matrix, el_or); |
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151 |
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152 INSTALL_CATOP (octave_scalar, octave_sparse_matrix, s_sm); |
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153 |
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154 INSTALL_ASSIGNCONV (octave_scalar, octave_sparse_matrix, octave_matrix); |
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155 |
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156 INSTALL_WIDENOP (octave_scalar, octave_sparse_matrix, sparse_matrix_conv); |
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157 } |
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158 |
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159 /* |
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160 ;;; Local Variables: *** |
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161 ;;; mode: C++ *** |
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162 ;;; End: *** |
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163 */ |
