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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 Free |
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18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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19 |
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20 */ |
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21 |
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22 #ifdef HAVE_CONFIG_H |
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23 #include <config.h> |
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24 #endif |
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25 |
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26 #include "sparse-base-lu.h" |
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27 |
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28 template <class lu_type, class lu_elt_type, class p_type, class p_elt_type> |
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29 p_type |
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30 sparse_base_lu <lu_type, lu_elt_type, p_type, p_elt_type> :: Pr (void) const |
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31 { |
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32 int nr = Lfact.rows (); |
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33 |
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34 p_type Pout (nr, nr, nr); |
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35 |
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36 for (int i = 0; i < nr; i++) |
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37 { |
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38 Pout.cidx (i) = i; |
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39 Pout.ridx (P (i)) = i; |
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40 Pout.data (i) = 1; |
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41 } |
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42 Pout.cidx (nr) = nr; |
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43 |
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44 return Pout; |
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45 } |
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46 |
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47 template <class lu_type, class lu_elt_type, class p_type, class p_elt_type> |
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48 p_type |
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49 sparse_base_lu <lu_type, lu_elt_type, p_type, p_elt_type> :: Pc (void) const |
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50 { |
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51 int nc = Ufact.cols (); |
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52 |
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53 p_type Pout (nc, nc, nc); |
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54 |
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55 for (int i = 0; i < nc; i++) |
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56 { |
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57 Pout.cidx (i) = i; |
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58 Pout.ridx (i) = Q (i); |
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59 Pout.data (i) = 1; |
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60 } |
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61 Pout.cidx (nc) = nc; |
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62 |
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63 return Pout; |
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64 } |
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65 |
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66 /* |
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67 ;;; Local Variables: *** |
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68 ;;; mode: C++ *** |
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69 ;;; End: *** |
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70 */ |
