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annotate liboctave/SparsedbleCHOL.h @ 5536:f16c05db6250 ss-2-9-4

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[project @ 2005-11-11 19:53:51 by jwe]
author jwe
date Fri, 11 Nov 2005 19:53:52 +0000
parents b4cfbb0ec8c4
children 143b556ce725
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1 /*
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2
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3 Copyright (C) 2005 David Bateman
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4 Copyright (C) 1998-2005 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
b4cfbb0ec8c4 [project @ 2005-10-23 19:09:32 by dbateman]
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23 #if !defined (octave_sparse_CHOL_h)
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24 #define octave_sparse_CHOL_h 1
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25
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26 #include "sparse-base-chol.h"
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27 #include "dSparse.h"
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28
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29 class
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30 SparseCHOL : public sparse_base_chol <SparseMatrix, double, SparseMatrix>
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31 {
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32 public:
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33
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34 SparseCHOL (void) : sparse_base_chol<SparseMatrix, double, SparseMatrix> () { }
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35
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36 SparseCHOL (const SparseMatrix& a, bool natural = true) :
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37 sparse_base_chol<SparseMatrix, double, SparseMatrix> (a, natural) { }
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38
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39 SparseCHOL (const SparseMatrix& a, octave_idx_type& info,
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40 bool natural = true) :
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41 sparse_base_chol<SparseMatrix, double, SparseMatrix> (a, info, natural) { }
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42
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43 SparseCHOL (const SparseCHOL& a) :
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44 sparse_base_chol<SparseMatrix, double, SparseMatrix> (a) { }
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45
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46 ~SparseCHOL (void) { }
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47
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48 SparseCHOL& operator = (const SparseCHOL& a)
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49 {
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50 if (this != &a)
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51 sparse_base_chol <SparseMatrix, double, SparseMatrix> :: operator = (a);
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52
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53 return *this;
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54 }
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55
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56 SparseMatrix chol_matrix (void) const { return R(); }
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57
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58 SparseMatrix L (void) const
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59 { return sparse_base_chol<SparseMatrix, double, SparseMatrix>:: L (); }
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60
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61 SparseMatrix R (void) const
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62 { return sparse_base_chol<SparseMatrix, double, SparseMatrix>:: R (); }
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63
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64 octave_idx_type P (void) const
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65 { return sparse_base_chol<SparseMatrix, double, SparseMatrix>:: P (); }
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66
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67 ColumnVector perm (void) const
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68 { return sparse_base_chol<SparseMatrix, double, SparseMatrix>:: perm (); }
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69
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70 SparseMatrix Q (void) const
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71 { return sparse_base_chol<SparseMatrix, double, SparseMatrix>:: Q (); }
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72
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73 double rcond (void) const
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74 { return sparse_base_chol<SparseMatrix, double, SparseMatrix>:: rcond (); }
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75
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76 // Compute the inverse of a matrix using the Cholesky factorization.
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77 SparseMatrix inverse (void) const
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78 { return sparse_base_chol<SparseMatrix, double, SparseMatrix>::
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79 inverse (); }
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80 };
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81
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82 SparseMatrix chol2inv (const SparseMatrix& r);
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83
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84 #endif
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85
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86 /*
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87 ;;; Local Variables: ***
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88 ;;; mode: C++ ***
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89 ;;; End: ***
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90 */