Mercurial > octave
annotate libinterp/operators/op-pm-scm.cc @ 31706:597f3ee61a48 stable
update Octave Project Developers copyright for the new year
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 06 Jan 2023 13:11:27 -0500 |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2009-2023 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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25 |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
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28 #endif |
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29 |
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30 #include "errwarn.h" |
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31 #include "ovl.h" |
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32 #include "ov.h" |
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33 #include "ov-typeinfo.h" |
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34 #include "ops.h" |
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35 |
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36 #include "ov-perm.h" |
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37 #include "ov-cx-sparse.h" |
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38 |
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39 OCTAVE_BEGIN_NAMESPACE(octave) |
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40 |
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41 // permutation matrix by sparse matrix ops |
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42 |
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43 DEFBINOP (mul_pm_scm, perm_matrix, sparse_complex_matrix) |
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44 { |
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45 const octave_perm_matrix& v1 = dynamic_cast<const octave_perm_matrix&> (a1); |
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46 const octave_sparse_complex_matrix& v2 |
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47 = dynamic_cast<const octave_sparse_complex_matrix&> (a2); |
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48 |
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49 if (v2.rows () == 1 && v2.columns () == 1) |
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50 { |
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51 std::complex<double> d = v2.complex_value (); |
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52 |
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53 return octave_value (v1.sparse_matrix_value () * d); |
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54 } |
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55 else if (v1.rows () == 1 && v1.columns () == 1) |
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56 return octave_value (v2.sparse_complex_matrix_value ()); |
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57 else |
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58 return v1.perm_matrix_value () * v2.sparse_complex_matrix_value (); |
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59 } |
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60 |
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61 DEFBINOP (ldiv_pm_scm, perm_matrix, sparse_complex_matrix) |
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62 { |
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63 const octave_perm_matrix& v1 = dynamic_cast<const octave_perm_matrix&> (a1); |
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64 const octave_sparse_complex_matrix& v2 |
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65 = dynamic_cast<const octave_sparse_complex_matrix&> (a2); |
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66 |
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67 return v1.perm_matrix_value ().inverse () * v2.sparse_complex_matrix_value (); |
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68 } |
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69 |
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70 // sparse matrix by diagonal matrix ops |
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71 |
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72 DEFBINOP (mul_scm_pm, sparse_complex_matrix, perm_matrix) |
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73 { |
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74 const octave_sparse_complex_matrix& v1 |
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75 = dynamic_cast<const octave_sparse_complex_matrix&> (a1); |
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76 const octave_perm_matrix& v2 = dynamic_cast<const octave_perm_matrix&> (a2); |
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77 |
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78 if (v1.rows () == 1 && v1.columns () == 1) |
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79 { |
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80 std::complex<double> d = v1.scalar_value (); |
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81 |
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82 return octave_value (d * v2.sparse_matrix_value ()); |
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83 } |
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84 else if (v2.rows () == 1 && v2.columns () == 1) |
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85 return octave_value (v1.sparse_complex_matrix_value ()); |
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86 else |
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87 return v1.sparse_complex_matrix_value () * v2.perm_matrix_value (); |
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88 } |
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89 |
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90 DEFBINOP (div_scm_pm, sparse_complex_matrix, perm_matrix) |
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91 { |
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92 const octave_sparse_complex_matrix& v1 |
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93 = dynamic_cast<const octave_sparse_complex_matrix&> (a1); |
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94 const octave_perm_matrix& v2 = dynamic_cast<const octave_perm_matrix&> (a2); |
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95 |
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96 return v1.sparse_complex_matrix_value () * v2.perm_matrix_value ().inverse (); |
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97 } |
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98 |
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99 void |
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100 install_pm_scm_ops (octave::type_info& ti) |
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101 { |
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102 INSTALL_BINOP_TI (ti, op_mul, octave_perm_matrix, octave_sparse_complex_matrix, |
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103 mul_pm_scm); |
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104 INSTALL_BINOP_TI (ti, op_ldiv, octave_perm_matrix, octave_sparse_complex_matrix, |
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105 ldiv_pm_scm); |
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106 INSTALL_BINOP_TI (ti, op_mul, octave_sparse_complex_matrix, octave_perm_matrix, |
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107 mul_scm_pm); |
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108 INSTALL_BINOP_TI (ti, op_div, octave_sparse_complex_matrix, octave_perm_matrix, |
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109 div_scm_pm); |
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110 } |
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111 |
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112 OCTAVE_END_NAMESPACE(octave) |