Mercurial > octave-nkf
annotate libinterp/operators/op-pm-sm.cc @ 20654:b65888ec820e draft default tip gccjit
dmalcom gcc jit import
author | Stefan Mahr <dac922@gmx.de> |
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date | Fri, 27 Feb 2015 16:59:36 +0100 |
parents | b66ab1af5a3b |
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1 /* |
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2 |
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3 Copyright (C) 2009-2015 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 |
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36 // permutation matrix by sparse matrix ops |
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37 |
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38 DEFBINOP (mul_pm_sm, perm_matrix, sparse_matrix) |
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39 { |
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40 CAST_BINOP_ARGS (const octave_perm_matrix&, const octave_sparse_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 double d = v2.scalar_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_matrix_value ()); |
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50 else |
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51 return v1.perm_matrix_value () * v2.sparse_matrix_value (); |
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52 } |
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53 |
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54 DEFBINOP (ldiv_pm_sm, perm_matrix, sparse_matrix) |
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55 { |
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56 CAST_BINOP_ARGS (const octave_perm_matrix&, const octave_sparse_matrix&); |
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57 |
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58 return v1.perm_matrix_value ().inverse () * v2.sparse_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_sm_pm, sparse_matrix, perm_matrix) |
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64 { |
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65 CAST_BINOP_ARGS (const octave_sparse_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 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_matrix_value ()); |
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75 else |
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76 return v1.sparse_matrix_value () * v2.perm_matrix_value (); |
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77 } |
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78 |
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79 DEFBINOP (div_sm_pm, sparse_matrix, perm_matrix) |
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80 { |
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81 CAST_BINOP_ARGS (const octave_sparse_matrix&, const octave_perm_matrix&); |
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82 |
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83 return v1.sparse_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_sm_ops (void) |
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88 { |
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89 INSTALL_BINOP (op_mul, octave_perm_matrix, octave_sparse_matrix, |
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90 mul_pm_sm); |
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91 INSTALL_BINOP (op_ldiv, octave_perm_matrix, octave_sparse_matrix, |
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92 ldiv_pm_sm); |
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93 INSTALL_BINOP (op_mul, octave_sparse_matrix, octave_perm_matrix, |
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94 mul_sm_pm); |
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95 INSTALL_BINOP (op_div, octave_sparse_matrix, octave_perm_matrix, |
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96 div_sm_pm); |
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97 } |