annotate liboctave/sparse-base-lu.cc @ 5915:b2e1be30c8e9 ss-2-9-7

[project @ 2006-07-28 18:08:56 by jwe]
author jwe
date Fri, 28 Jul 2006 18:08:56 +0000
parents 4c8a2e4e0717
children 93c65f2a5668
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1 /*
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2
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3 Copyright (C) 2004 David Bateman
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4 Copyright (C) 1998-2004 Andy Adler
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5
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6 Octave is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 Octave is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with this program; see the file COPYING. If not, write to the
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18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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19 Boston, MA 02110-1301, USA.
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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 "sparse-base-lu.h"
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28
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29 template <class lu_type, class lu_elt_type, class p_type, class p_elt_type>
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30 p_type
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31 sparse_base_lu <lu_type, lu_elt_type, p_type, p_elt_type> :: Pr (void) const
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32 {
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33 octave_idx_type nr = Lfact.rows ();
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34
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35 p_type Pout (nr, nr, nr);
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36
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37 for (octave_idx_type i = 0; i < nr; i++)
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38 {
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39 Pout.cidx (i) = i;
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40 Pout.ridx (P (i)) = i;
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41 Pout.data (i) = 1;
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42 }
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43 Pout.cidx (nr) = nr;
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44
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45 return Pout;
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46 }
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47
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48 template <class lu_type, class lu_elt_type, class p_type, class p_elt_type>
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49 p_type
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50 sparse_base_lu <lu_type, lu_elt_type, p_type, p_elt_type> :: Pc (void) const
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51 {
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52 octave_idx_type nc = Ufact.cols ();
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53
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54 p_type Pout (nc, nc, nc);
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55
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56 for (octave_idx_type i = 0; i < nc; i++)
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57 {
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58 Pout.cidx (i) = i;
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59 Pout.ridx (i) = Q (i);
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60 Pout.data (i) = 1;
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61 }
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62 Pout.cidx (nc) = nc;
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63
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64 return Pout;
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65 }
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66
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67 /*
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68 ;;; Local Variables: ***
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69 ;;; mode: C++ ***
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70 ;;; End: ***
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71 */