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maint: update copyright notices for 2012
author John W. Eaton <jwe@octave.org>
date Mon, 02 Jan 2012 14:25:41 -0500
parents b646413c3d0e
children 460a3c6d8bf1
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1 /*
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3 Copyright (C) 2009-2012 Jason Riedy
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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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 "ops.h"
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32
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33 #include "ov-perm.h"
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34 #include "ov-re-sparse.h"
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35 #include "ov-bool-sparse.h"
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36
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37 // Unary permutation ops, some cast to sparse
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38
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39 //Avoid casting to a full matrix
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40 DEFUNOP_OP (uplus, perm_matrix, /* no-op */)
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41
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42 // Not calling standard CAST_UNOP_ARG for these next two because a
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43 // dynamic_cast would fail.
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44 DEFUNOP (not, perm_matrix)
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45 {
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46 // Obviously negation of a permutation matrix destroys sparsity
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47 return octave_value ( ! a.bool_array_value ());
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48 }
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49
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50 DEFUNOP (uminus, perm_matrix)
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51 {
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52 return octave_value ( - a.sparse_matrix_value ());
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53 }
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54
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55 // Most other logical operations cast to SparseBoolMatrix
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56 DEFBINOP (eq_pm, perm_matrix, perm_matrix)
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57 {
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58 CAST_BINOP_ARGS (const octave_perm_matrix&, const octave_perm_matrix&);
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59 return v1.sparse_bool_matrix_value () == v2.sparse_bool_matrix_value ();
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60 }
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61 DEFBINOP (ne_pm, perm_matrix, perm_matrix)
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62 {
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63 CAST_BINOP_ARGS (const octave_perm_matrix&, const octave_perm_matrix&);
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64 return v1.sparse_bool_matrix_value () != v2.sparse_bool_matrix_value ();
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65 }
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66 DEFBINOP (el_and_pm, perm_matrix, perm_matrix)
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67 {
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68 CAST_BINOP_ARGS (const octave_perm_matrix&, const octave_perm_matrix&);
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69 return mx_el_and(v1.sparse_bool_matrix_value (),
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70 v2.sparse_bool_matrix_value ());
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71 }
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72 DEFBINOP (el_or_pm, perm_matrix, perm_matrix)
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73 {
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74 CAST_BINOP_ARGS (const octave_perm_matrix&, const octave_perm_matrix&);
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75 return mx_el_or(v1.sparse_bool_matrix_value (),
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76 v2.sparse_bool_matrix_value ());
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77 }
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78
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79 // permutation matrix by sparse matrix ops
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80
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81 DEFBINOP (mul_pm_sm, perm_matrix, sparse_matrix)
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82 {
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83 CAST_BINOP_ARGS (const octave_perm_matrix&, const octave_sparse_matrix&);
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84
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85 if (v2.rows() == 1 && v2.columns() == 1)
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86 {
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87 double d = v2.scalar_value ();
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88
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89 return octave_value (v1.sparse_matrix_value () * d);
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90 }
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91 else if (v1.rows() == 1 && v1.columns() == 1)
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92 return octave_value (v2.sparse_matrix_value ());
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93 else
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94 return v1.perm_matrix_value () * v2.sparse_matrix_value ();
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95 }
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96
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97 DEFBINOP (ldiv_pm_sm, perm_matrix, sparse_matrix)
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98 {
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99 CAST_BINOP_ARGS (const octave_perm_matrix&, const octave_sparse_matrix&);
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100
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101 return v1.perm_matrix_value ().inverse () * v2.sparse_matrix_value ();
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102 }
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103
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104 // sparse matrix by diagonal matrix ops
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105
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106 DEFBINOP (mul_sm_pm, sparse_matrix, perm_matrix)
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107 {
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108 CAST_BINOP_ARGS (const octave_sparse_matrix&, const octave_perm_matrix&);
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109
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110 if (v1.rows() == 1 && v1.columns() == 1)
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111 {
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112 double d = v1.scalar_value ();
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113
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114 return octave_value (d * v2.sparse_matrix_value ());
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115 }
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116 else if (v2.rows() == 1 && v2.columns() == 1)
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117 return octave_value (v1.sparse_matrix_value ());
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118 else
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119 return v1.sparse_matrix_value () * v2.perm_matrix_value ();
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120 }
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121
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122 DEFBINOP (div_sm_pm, sparse_matrix, perm_matrix)
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123 {
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124 CAST_BINOP_ARGS (const octave_sparse_matrix&, const octave_perm_matrix&);
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125
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126 return v1.sparse_matrix_value () * v2.perm_matrix_value ().inverse ();
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127 }
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128
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129 void
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130 install_pm_sm_ops (void)
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131 {
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132 INSTALL_UNOP (op_not, octave_perm_matrix, not);
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133 INSTALL_UNOP (op_uplus, octave_perm_matrix, uplus);
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134 INSTALL_UNOP (op_uminus, octave_perm_matrix, uminus);
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135
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136
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137 INSTALL_BINOP (op_mul, octave_perm_matrix, octave_sparse_matrix,
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138 mul_pm_sm);
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139 INSTALL_BINOP (op_ldiv, octave_perm_matrix, octave_sparse_matrix,
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140 ldiv_pm_sm);
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141 INSTALL_BINOP (op_mul, octave_sparse_matrix, octave_perm_matrix,
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142 mul_sm_pm);
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143 INSTALL_BINOP (op_div, octave_sparse_matrix, octave_perm_matrix,
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144 div_sm_pm);
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145
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146 INSTALL_BINOP (op_eq, octave_perm_matrix, octave_perm_matrix, eq_pm);
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147 INSTALL_BINOP (op_ne, octave_perm_matrix, octave_perm_matrix, ne_pm);
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148 INSTALL_BINOP (op_el_and, octave_perm_matrix, octave_perm_matrix, el_and_pm);
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149 INSTALL_BINOP (op_el_or, octave_perm_matrix, octave_perm_matrix, el_or_pm);
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150 }