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maint: Merge stable to default.
author Markus Mützel <markus.muetzel@gmx.de>
date Tue, 28 May 2024 15:25:54 +0200
parents 2e484f9f1f18
children
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2009-2024 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 OCTAVE_CAST_BASE_VALUE (const octave_perm_matrix&, v1, a1);
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46 OCTAVE_CAST_BASE_VALUE (const octave_sparse_complex_matrix&, v2, a2);
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47
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48 if (v2.rows () == 1 && v2.columns () == 1)
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49 {
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50 std::complex<double> d = v2.complex_value ();
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51
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52 return octave_value (v1.sparse_matrix_value () * d);
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53 }
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54 else if (v1.rows () == 1 && v1.columns () == 1)
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55 return octave_value (v2.sparse_complex_matrix_value ());
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56 else
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57 return v1.perm_matrix_value () * v2.sparse_complex_matrix_value ();
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58 }
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59
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60 DEFBINOP (ldiv_pm_scm, perm_matrix, sparse_complex_matrix)
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61 {
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62 OCTAVE_CAST_BASE_VALUE (const octave_perm_matrix&, v1, a1);
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63 OCTAVE_CAST_BASE_VALUE (const octave_sparse_complex_matrix&, v2, a2);
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64
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65 return v1.perm_matrix_value ().inverse () * v2.sparse_complex_matrix_value ();
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66 }
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67
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68 // sparse matrix by diagonal matrix ops
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69
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70 DEFBINOP (mul_scm_pm, sparse_complex_matrix, perm_matrix)
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71 {
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72 OCTAVE_CAST_BASE_VALUE (const octave_sparse_complex_matrix&, v1, a1);
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73 OCTAVE_CAST_BASE_VALUE (const octave_perm_matrix&, v2, a2);
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74
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75 if (v1.rows () == 1 && v1.columns () == 1)
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76 {
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77 std::complex<double> d = v1.scalar_value ();
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78
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79 return octave_value (d * v2.sparse_matrix_value ());
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80 }
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81 else if (v2.rows () == 1 && v2.columns () == 1)
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82 return octave_value (v1.sparse_complex_matrix_value ());
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83 else
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84 return v1.sparse_complex_matrix_value () * v2.perm_matrix_value ();
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85 }
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86
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87 DEFBINOP (div_scm_pm, sparse_complex_matrix, perm_matrix)
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88 {
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89 OCTAVE_CAST_BASE_VALUE (const octave_sparse_complex_matrix&, v1, a1);
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90 OCTAVE_CAST_BASE_VALUE (const octave_perm_matrix&, v2, a2);
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91
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92 return v1.sparse_complex_matrix_value () * v2.perm_matrix_value ().inverse ();
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93 }
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94
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95 void
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96 install_pm_scm_ops (octave::type_info& ti)
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97 {
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98 INSTALL_BINOP_TI (ti, op_mul, octave_perm_matrix, octave_sparse_complex_matrix,
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99 mul_pm_scm);
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100 INSTALL_BINOP_TI (ti, op_ldiv, octave_perm_matrix, octave_sparse_complex_matrix,
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101 ldiv_pm_scm);
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102 INSTALL_BINOP_TI (ti, op_mul, octave_sparse_complex_matrix, octave_perm_matrix,
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103 mul_scm_pm);
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104 INSTALL_BINOP_TI (ti, op_div, octave_sparse_complex_matrix, octave_perm_matrix,
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105 div_scm_pm);
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106 }
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107
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108 OCTAVE_END_NAMESPACE(octave)