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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 12df7854fa7c
children 460a3c6d8bf1
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1 /*
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2
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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-cx-sparse.h"
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35
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36 // permutation matrix by sparse matrix ops
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37
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38 DEFBINOP (mul_pm_scm, perm_matrix, sparse_complex_matrix)
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39 {
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40 CAST_BINOP_ARGS (const octave_perm_matrix&, const octave_sparse_complex_matrix&);
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41
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42 if (v2.rows() == 1 && v2.columns() == 1)
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43 {
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44 std::complex<double> d = v2.complex_value ();
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45
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46 return octave_value (v1.sparse_matrix_value () * d);
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47 }
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48 else if (v1.rows() == 1 && v1.columns() == 1)
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49 return octave_value (v2.sparse_complex_matrix_value ());
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50 else
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51 return v1.perm_matrix_value () * v2.sparse_complex_matrix_value ();
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52 }
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53
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54 DEFBINOP (ldiv_pm_scm, perm_matrix, sparse_complex_matrix)
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55 {
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56 CAST_BINOP_ARGS (const octave_perm_matrix&, const octave_sparse_complex_matrix&);
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57
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58 return v1.perm_matrix_value ().inverse () * v2.sparse_complex_matrix_value ();
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59 }
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60
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61 // sparse matrix by diagonal matrix ops
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62
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63 DEFBINOP (mul_scm_pm, sparse_complex_matrix, perm_matrix)
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64 {
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65 CAST_BINOP_ARGS (const octave_sparse_complex_matrix&, const octave_perm_matrix&);
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66
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67 if (v1.rows() == 1 && v1.columns() == 1)
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68 {
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69 std::complex<double> d = v1.scalar_value ();
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70
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71 return octave_value (d * v2.sparse_matrix_value ());
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72 }
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73 else if (v2.rows() == 1 && v2.columns() == 1)
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74 return octave_value (v1.sparse_complex_matrix_value ());
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75 else
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76 return v1.sparse_complex_matrix_value () * v2.perm_matrix_value ();
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77 }
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78
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79 DEFBINOP (div_scm_pm, sparse_complex_matrix, perm_matrix)
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80 {
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81 CAST_BINOP_ARGS (const octave_sparse_complex_matrix&, const octave_perm_matrix&);
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82
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83 return v1.sparse_complex_matrix_value () * v2.perm_matrix_value ().inverse ();
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84 }
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85
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86 void
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87 install_pm_scm_ops (void)
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88 {
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89 INSTALL_BINOP (op_mul, octave_perm_matrix, octave_sparse_complex_matrix,
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90 mul_pm_scm);
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91 INSTALL_BINOP (op_ldiv, octave_perm_matrix, octave_sparse_complex_matrix,
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92 ldiv_pm_scm);
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93 INSTALL_BINOP (op_mul, octave_sparse_complex_matrix, octave_perm_matrix,
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94 mul_scm_pm);
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95 INSTALL_BINOP (op_div, octave_sparse_complex_matrix, octave_perm_matrix,
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96 div_scm_pm);
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97 }