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1 /* |
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2 |
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3 Copyright (C) 2004, 2005, 2007 David Bateman |
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4 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Andy Adler |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 3 of the License, or (at your |
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11 option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, see |
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20 <http://www.gnu.org/licenses/>. |
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21 |
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22 */ |
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23 |
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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28 #include "sparse-base-lu.h" |
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29 |
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30 template <class lu_type, class lu_elt_type, class p_type, class p_elt_type> |
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31 p_type |
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32 sparse_base_lu <lu_type, lu_elt_type, p_type, p_elt_type> :: Pr (void) const |
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33 { |
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34 octave_idx_type nr = Lfact.rows (); |
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35 |
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36 p_type Pout (nr, nr, nr); |
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37 |
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38 for (octave_idx_type i = 0; i < nr; i++) |
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39 { |
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40 Pout.cidx (i) = i; |
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41 Pout.ridx (P (i)) = i; |
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42 Pout.data (i) = 1; |
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43 } |
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44 Pout.cidx (nr) = nr; |
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45 |
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46 return Pout; |
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47 } |
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48 |
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49 template <class lu_type, class lu_elt_type, class p_type, class p_elt_type> |
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50 p_type |
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51 sparse_base_lu <lu_type, lu_elt_type, p_type, p_elt_type> :: Pc (void) const |
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52 { |
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53 octave_idx_type nc = Ufact.cols (); |
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54 |
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55 p_type Pout (nc, nc, nc); |
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56 |
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57 for (octave_idx_type i = 0; i < nc; i++) |
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58 { |
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59 Pout.cidx (i) = i; |
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60 Pout.ridx (i) = Q (i); |
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61 Pout.data (i) = 1; |
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62 } |
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63 Pout.cidx (nc) = nc; |
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64 |
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65 return Pout; |
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66 } |
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67 |
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68 /* |
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69 ;;; Local Variables: *** |
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70 ;;; mode: C++ *** |
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71 ;;; End: *** |
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72 */ |
