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maint: Update copyright dates in all source files.
author John W. Eaton <jwe@octave.org>
date Fri, 30 Mar 2018 09:19:05 -0400
parents 46440078d73b
children 078b795c5219
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 2004-2018 David Bateman
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4 Copyright (C) 1998-2004 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
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your 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
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14 WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License 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 <https://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if defined (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 "errwarn.h"
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29 #include "ovl.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-scalar.h"
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33 #include "ops.h"
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34 #include "xpow.h"
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35
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36 #include "sparse-xpow.h"
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37 #include "sparse-xdiv.h"
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38 #include "ov-re-sparse.h"
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39
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40 // sparse matrix by scalar ops.
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41
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42 DEFBINOP_OP (add, sparse_matrix, scalar, +)
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43 DEFBINOP_OP (sub, sparse_matrix, scalar, -)
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44 DEFBINOP_OP (mul, sparse_matrix, scalar, *)
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45
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46 DEFBINOP (div, sparse_matrix, scalar)
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47 {
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48 const octave_sparse_matrix& v1 = dynamic_cast<const octave_sparse_matrix&> (a1);
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49 const octave_scalar& v2 = dynamic_cast<const octave_scalar&> (a2);
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50
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51 double d = v2.double_value ();
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52 octave_value retval;
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53
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54 if (d == 0.0)
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55 warn_divide_by_zero ();
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56
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57 retval = octave_value (v1.sparse_matrix_value () / d);
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58
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59 return retval;
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60 }
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61
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62 DEFBINOP (pow, sparse_matrix, scalar)
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63 {
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64 const octave_sparse_matrix& v1 = dynamic_cast<const octave_sparse_matrix&> (a1);
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65 const octave_scalar& v2 = dynamic_cast<const octave_scalar&> (a2);
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66
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67 double tmp = v2.scalar_value ();
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68 if (static_cast<int> (tmp) == tmp)
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69 return xpow (v1.sparse_matrix_value (), tmp);
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70 else
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71 return xpow (v1.matrix_value (), tmp);
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72 }
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73
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74 DEFBINOP (ldiv, sparse_matrix, scalar)
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75 {
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76 const octave_sparse_matrix& v1 = dynamic_cast<const octave_sparse_matrix&> (a1);
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77 const octave_scalar& v2 = dynamic_cast<const octave_scalar&> (a2);
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78
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79 if (v1.rows () == 1 && v1.columns () == 1)
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80 {
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81 double d = v1.scalar_value ();
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82
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83 if (d == 0.0)
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84 warn_divide_by_zero ();
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85
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86 return octave_value (SparseMatrix(1, 1, v2.scalar_value () / d));
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87 }
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88 else
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89 {
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90 MatrixType typ = v1.matrix_type ();
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91 SparseMatrix m1 = v1.sparse_matrix_value ();
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92 Matrix m2 = Matrix (1, 1, v2.scalar_value ());
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93 Matrix ret = xleftdiv (m1, m2, typ);
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94 v1.matrix_type (typ);
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95 return ret;
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96 }
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97 }
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98
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99 DEFBINOP_FN (lt, sparse_matrix, scalar, mx_el_lt)
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100 DEFBINOP_FN (le, sparse_matrix, scalar, mx_el_le)
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101 DEFBINOP_FN (eq, sparse_matrix, scalar, mx_el_eq)
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102 DEFBINOP_FN (ge, sparse_matrix, scalar, mx_el_ge)
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103 DEFBINOP_FN (gt, sparse_matrix, scalar, mx_el_gt)
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104 DEFBINOP_FN (ne, sparse_matrix, scalar, mx_el_ne)
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105
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106 DEFBINOP_OP (el_mul, sparse_matrix, scalar, *)
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107
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108 DEFBINOP (el_div, sparse_matrix, scalar)
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109 {
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110 const octave_sparse_matrix& v1 = dynamic_cast<const octave_sparse_matrix&> (a1);
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111 const octave_scalar& v2 = dynamic_cast<const octave_scalar&> (a2);
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112
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113 double d = v2.double_value ();
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114 octave_value retval;
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115
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116 if (d == 0.0)
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117 warn_divide_by_zero ();
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118
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119 retval = octave_value (v1.sparse_matrix_value () / d);
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120
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121 return retval;
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122 }
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123
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124 DEFBINOP_FN (el_pow, sparse_matrix, scalar, elem_xpow)
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125
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126 DEFBINOP (el_ldiv, sparse_matrix, scalar)
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127 {
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128 const octave_sparse_matrix& v1 = dynamic_cast<const octave_sparse_matrix&> (a1);
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129 const octave_scalar& v2 = dynamic_cast<const octave_scalar&> (a2);
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130
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131 return octave_value
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132 (x_el_div (v2.complex_value (), v1.sparse_matrix_value ()));
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133 }
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134
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135 DEFBINOP_FN (el_and, sparse_matrix, scalar, mx_el_and)
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136 DEFBINOP_FN (el_or, sparse_matrix, scalar, mx_el_or)
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137
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138 DEFCATOP (sm_s, sparse_matrix, scalar)
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139 {
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140 octave_sparse_matrix& v1 = dynamic_cast<octave_sparse_matrix&> (a1);
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141 const octave_scalar& v2 = dynamic_cast<const octave_scalar&> (a2);
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142 SparseMatrix tmp (1, 1, v2.scalar_value ());
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143 return octave_value (v1.sparse_matrix_value (). concat (tmp, ra_idx));
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144 }
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145
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146 DEFASSIGNOP (assign, sparse_matrix, scalar)
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147 {
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148 octave_sparse_matrix& v1 = dynamic_cast<octave_sparse_matrix&> (a1);
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149 const octave_scalar& v2 = dynamic_cast<const octave_scalar&> (a2);
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150
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151 SparseMatrix tmp (1, 1, v2.scalar_value ());
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152 v1.assign (idx, tmp);
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153 return octave_value ();
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154 }
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155
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156 void
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157 install_sm_s_ops (octave::type_info& ti)
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158 {
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159 INSTALL_BINOP_TI (ti, op_add, octave_sparse_matrix, octave_scalar, add);
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160 INSTALL_BINOP_TI (ti, op_sub, octave_sparse_matrix, octave_scalar, sub);
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161 INSTALL_BINOP_TI (ti, op_mul, octave_sparse_matrix, octave_scalar, mul);
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162 INSTALL_BINOP_TI (ti, op_div, octave_sparse_matrix, octave_scalar, div);
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163 INSTALL_BINOP_TI (ti, op_pow, octave_sparse_matrix, octave_scalar, pow);
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164 INSTALL_BINOP_TI (ti, op_ldiv, octave_sparse_matrix, octave_scalar, ldiv);
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165
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166 INSTALL_BINOP_TI (ti, op_lt, octave_sparse_matrix, octave_scalar, lt);
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167 INSTALL_BINOP_TI (ti, op_le, octave_sparse_matrix, octave_scalar, le);
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168 INSTALL_BINOP_TI (ti, op_eq, octave_sparse_matrix, octave_scalar, eq);
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169 INSTALL_BINOP_TI (ti, op_ge, octave_sparse_matrix, octave_scalar, ge);
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170 INSTALL_BINOP_TI (ti, op_gt, octave_sparse_matrix, octave_scalar, gt);
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171 INSTALL_BINOP_TI (ti, op_ne, octave_sparse_matrix, octave_scalar, ne);
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172 INSTALL_BINOP_TI (ti, op_el_mul, octave_sparse_matrix, octave_scalar, el_mul);
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173 INSTALL_BINOP_TI (ti, op_el_div, octave_sparse_matrix, octave_scalar, el_div);
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174 INSTALL_BINOP_TI (ti, op_el_pow, octave_sparse_matrix, octave_scalar, el_pow);
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175 INSTALL_BINOP_TI (ti, op_el_ldiv, octave_sparse_matrix, octave_scalar, el_ldiv);
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176 INSTALL_BINOP_TI (ti, op_el_and, octave_sparse_matrix, octave_scalar, el_and);
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177 INSTALL_BINOP_TI (ti, op_el_or, octave_sparse_matrix, octave_scalar, el_or);
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178
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179 INSTALL_CATOP_TI (ti, octave_sparse_matrix, octave_scalar, sm_s);
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180
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181 INSTALL_ASSIGNOP_TI (ti, op_asn_eq, octave_sparse_matrix, octave_scalar, assign);
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182 }