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support permutation matrix objects
author Jaroslav Hajek <highegg@gmail.com>
date Thu, 04 Dec 2008 08:31:56 +0100
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children eb63fbe60fab
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1 /*
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2
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3 Copyright (C) 2008 Jaroslav Hajek <highegg@gmail.com>
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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 "ov-perm.h"
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28 #include "ov-flt-perm.h"
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29 #include MINCLUDE
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30 #include "ops.h"
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31
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32 #define OCTAVE_LMATRIX CONCAT2(octave_, LMATRIX)
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33 #define OCTAVE_RMATRIX CONCAT2(octave_, RMATRIX)
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34 #ifdef LEFT
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35 #define LMATRIX_VALUE perm_matrix_value
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36 #define RMATRIX_VALUE CONCAT2(RMATRIX, _value)
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37 #else
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38 #define LMATRIX_VALUE CONCAT2(LMATRIX, _value)
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39 #define RMATRIX_VALUE perm_matrix_value
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40 #endif
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41
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42 DEFBINOP (mul, LMATRIX, RMATRIX)
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43 {
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44 CAST_BINOP_ARGS (const OCTAVE_LMATRIX&, const OCTAVE_RMATRIX&);
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45
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46 return v1.LMATRIX_VALUE () * v2.RMATRIX_VALUE ();
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47 }
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48
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49 #ifdef LEFT
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50 DEFBINOP (ldiv, LMATRIX, RMATRIX)
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51 {
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52 CAST_BINOP_ARGS (const OCTAVE_LMATRIX&, const OCTAVE_RMATRIX&);
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53
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54 return v1.perm_matrix_value ().inverse () * v2.RMATRIX_VALUE ();
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55 }
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56 #else
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57 DEFBINOP (div, LMATRIX, RMATRIX)
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58 {
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59 CAST_BINOP_ARGS (const OCTAVE_LMATRIX&, const OCTAVE_RMATRIX&);
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60
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61 return v1.LMATRIX_VALUE () * v2.perm_matrix_value ().inverse ();
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62 }
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63 #endif
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64
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65
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66 #define SHORT_NAME CONCAT3(LSHORT, _, RSHORT)
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67 #define INST_NAME CONCAT3(install_, SHORT_NAME, _ops)
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68
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69 void
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70 INST_NAME (void)
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71 {
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72 INSTALL_BINOP (op_mul, OCTAVE_LMATRIX, OCTAVE_RMATRIX, mul);
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73 #ifdef LEFT
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74 INSTALL_BINOP (op_ldiv, OCTAVE_LMATRIX, OCTAVE_RMATRIX, ldiv);
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75 #else
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76 INSTALL_BINOP (op_div, OCTAVE_LMATRIX, OCTAVE_RMATRIX, div);
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77 #endif
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78 }