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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 // sparse matrix by scalar ops. |
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40 |
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41 DEFBINOP_OP (add, sparse_matrix, scalar, +) |
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42 DEFBINOP_OP (sub, sparse_matrix, scalar, -) |
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43 DEFBINOP_OP (mul, sparse_matrix, scalar, *) |
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44 |
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45 DEFBINOP (div, sparse_matrix, scalar) |
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46 { |
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47 CAST_BINOP_ARGS (const octave_sparse_matrix&, const octave_scalar&); |
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48 |
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49 double d = v2.double_value (); |
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50 octave_value retval; |
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51 |
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52 if (d == 0.0) |
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53 { |
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54 gripe_divide_by_zero (); |
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55 |
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56 retval = octave_value (v1.matrix_value () / d); |
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57 } |
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58 else |
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59 retval = octave_value (v1.sparse_matrix_value () / d); |
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60 |
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61 return retval; |
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62 } |
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63 |
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64 DEFBINOP (pow, sparse_matrix, scalar) |
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65 { |
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66 CAST_BINOP_ARGS (const octave_sparse_matrix&, const octave_scalar&); |
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67 |
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68 double tmp = v2.scalar_value (); |
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69 if (static_cast<int> (tmp) == tmp) |
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70 return xpow (v1.sparse_matrix_value (), tmp); |
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71 else |
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72 return xpow (v1.matrix_value (), tmp); |
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73 } |
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74 |
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75 DEFBINOP (ldiv, sparse_matrix, scalar) |
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76 { |
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77 CAST_BINOP_ARGS (octave_sparse_matrix&, const octave_scalar&); |
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78 |
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79 SparseType typ = v1.sparse_type (); |
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80 SparseMatrix m1 = v1.sparse_matrix_value (); |
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81 Matrix m2 = Matrix (1, 1, v2.scalar_value ()); |
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82 Matrix ret = xleftdiv (m1, m2, typ); |
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83 v1.sparse_type (typ); |
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84 |
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85 return ret; |
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86 } |
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87 |
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88 DEFBINOP_FN (lt, sparse_matrix, scalar, mx_el_lt) |
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89 DEFBINOP_FN (le, sparse_matrix, scalar, mx_el_le) |
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90 DEFBINOP_FN (eq, sparse_matrix, scalar, mx_el_eq) |
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91 DEFBINOP_FN (ge, sparse_matrix, scalar, mx_el_ge) |
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92 DEFBINOP_FN (gt, sparse_matrix, scalar, mx_el_gt) |
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93 DEFBINOP_FN (ne, sparse_matrix, scalar, mx_el_ne) |
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94 |
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95 DEFBINOP_OP (el_mul, sparse_matrix, scalar, *) |
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96 |
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97 DEFBINOP (el_div, sparse_matrix, scalar) |
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98 { |
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99 CAST_BINOP_ARGS (const octave_sparse_matrix&, const octave_scalar&); |
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100 |
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101 double d = v2.double_value (); |
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102 octave_value retval; |
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103 |
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104 if (d == 0.0) |
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105 { |
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106 gripe_divide_by_zero (); |
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107 |
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108 retval = octave_value (v1.matrix_value () / d); |
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109 } |
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110 else |
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111 retval = octave_value (v1.sparse_matrix_value () / d); |
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112 |
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113 return retval; |
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114 } |
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115 |
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116 DEFBINOP_FN (el_pow, sparse_matrix, scalar, elem_xpow) |
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117 |
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118 DEFBINOP (el_ldiv, sparse_matrix, scalar) |
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119 { |
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120 CAST_BINOP_ARGS (const octave_sparse_matrix&, const octave_scalar&); |
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121 |
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122 return octave_value |
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123 (x_el_div (v2.complex_value (), v1.sparse_matrix_value ())); |
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124 } |
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125 |
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126 DEFBINOP_FN (el_and, sparse_matrix, scalar, mx_el_and) |
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127 DEFBINOP_FN (el_or, sparse_matrix, scalar, mx_el_or) |
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128 |
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129 DEFCATOP (sm_s, sparse_matrix, scalar) |
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130 { |
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131 CAST_BINOP_ARGS (octave_sparse_matrix&, const octave_scalar&); |
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132 SparseMatrix tmp (1, 1, v2.scalar_value ()); |
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133 return octave_value (v1.sparse_matrix_value (). concat (tmp, ra_idx)); |
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134 } |
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135 |
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136 DEFASSIGNOP (assign, sparse_matrix, scalar) |
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137 { |
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138 CAST_BINOP_ARGS (octave_sparse_matrix&, const octave_scalar&); |
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139 |
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140 SparseMatrix tmp (1, 1, v2.scalar_value ()); |
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141 v1.assign (idx, tmp); |
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142 return octave_value (); |
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143 } |
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144 |
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145 void |
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146 install_sm_s_ops (void) |
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147 { |
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148 INSTALL_BINOP (op_add, octave_sparse_matrix, octave_scalar, add); |
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149 INSTALL_BINOP (op_sub, octave_sparse_matrix, octave_scalar, sub); |
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150 INSTALL_BINOP (op_mul, octave_sparse_matrix, octave_scalar, mul); |
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151 INSTALL_BINOP (op_div, octave_sparse_matrix, octave_scalar, div); |
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152 INSTALL_BINOP (op_pow, octave_sparse_matrix, octave_scalar, pow); |
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153 INSTALL_BINOP (op_ldiv, octave_sparse_matrix, octave_scalar, ldiv); |
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154 |
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155 INSTALL_BINOP (op_lt, octave_sparse_matrix, octave_scalar, lt); |
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156 INSTALL_BINOP (op_le, octave_sparse_matrix, octave_scalar, le); |
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157 INSTALL_BINOP (op_eq, octave_sparse_matrix, octave_scalar, eq); |
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158 INSTALL_BINOP (op_ge, octave_sparse_matrix, octave_scalar, ge); |
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159 INSTALL_BINOP (op_gt, octave_sparse_matrix, octave_scalar, gt); |
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160 INSTALL_BINOP (op_ne, octave_sparse_matrix, octave_scalar, ne); |
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161 INSTALL_BINOP (op_el_mul, octave_sparse_matrix, octave_scalar, el_mul); |
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162 INSTALL_BINOP (op_el_div, octave_sparse_matrix, octave_scalar, el_div); |
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163 INSTALL_BINOP (op_el_pow, octave_sparse_matrix, octave_scalar, el_pow); |
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164 INSTALL_BINOP (op_el_ldiv, octave_sparse_matrix, octave_scalar, el_ldiv); |
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165 INSTALL_BINOP (op_el_and, octave_sparse_matrix, octave_scalar, el_and); |
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166 INSTALL_BINOP (op_el_or, octave_sparse_matrix, octave_scalar, el_or); |
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167 |
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168 INSTALL_CATOP (octave_sparse_matrix, octave_scalar, sm_s); |
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169 |
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170 INSTALL_ASSIGNOP (op_asn_eq, octave_sparse_matrix, octave_scalar, assign); |
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171 } |
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172 |
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173 /* |
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174 ;;; Local Variables: *** |
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175 ;;; mode: C++ *** |
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176 ;;; End: *** |
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177 */ |
