octave: liboctave/numeric/lu.cc annotate

annotate liboctave/numeric/lu.cc @ 22329:7f3c7a8bd131

maint: Indent namespaces in liboctave/numeric files.

author	John W. Eaton <jwe@octave.org>
date	Wed, 17 Aug 2016 10:55:38 -0400
parents	bac0d6f07a3e
children	4caa7b28d183

rev	line source
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	1 /*
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	2
22323 bac0d6f07a3e maint: Update copyright notices for 2016. John W. Eaton <jwe@octave.org> parents: 22322 diff changeset	3 Copyright (C) 1996-2016 John W. Eaton
10521 4d1fc073fbb7 add some missing copyright stmts Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4 Copyright (C) 2009 VZLU Prague
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	5
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	7
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	11 option) any later version.
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	12
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	16 for more details.
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	17
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	20 <http://www.gnu.org/licenses/>.
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	21
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	22 */
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	23
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	24 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21271 diff changeset	25 # include "config.h"
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	26 #endif
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	27
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	28 #include "CColVector.h"
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	29 #include "CMatrix.h"
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	30 #include "dColVector.h"
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	31 #include "dMatrix.h"
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	32 #include "fCColVector.h"
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	33 #include "fCMatrix.h"
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	34 #include "fColVector.h"
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	35 #include "fMatrix.h"
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	36 #include "lo-error.h"
22322 93b3cdd36854 move most f77 function decls to separate header files John W. Eaton <jwe@octave.org> parents: 22317 diff changeset	37 #include "lo-lapack-proto.h"
93b3cdd36854 move most f77 function decls to separate header files John W. Eaton <jwe@octave.org> parents: 22317 diff changeset	38 #include "lo-qrupdate-proto.h"
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	39 #include "lu.h"
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	40 #include "oct-locbuf.h"
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	41
22317 6ca3acf5fad8 move some new numeric classes to namespace octave::math John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	42 namespace octave
6ca3acf5fad8 move some new numeric classes to namespace octave::math John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	43 {
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	44 namespace math
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	45 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	46 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	47 lu<T>::lu (const T& l, const T& u,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	48 const PermMatrix& p)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	49 : a_fact (u), l_fact (l), ipvt (p.transpose ().col_perm_vec ())
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	50 {
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	51 if (l.columns () != u.rows ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	52 (*current_liboctave_error_handler) ("lu: dimension mismatch");
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	53 }
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	54
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	55 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	56 bool
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	57 lu<T>::packed (void) const
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	58 {
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	59 return l_fact.dims () == dim_vector ();
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	60 }
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	61
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	62 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	63 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	64 lu<T>::unpack (void)
13217 08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	65 {
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	66 if (packed ())
13217 08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	67 {
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	68 l_fact = L ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	69 a_fact = U (); // FIXME: sub-optimal
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	70 ipvt = getp ();
13217 08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	71 }
08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	72 }
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9697 diff changeset	73
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	74 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	75 T
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	76 lu<T>::L (void) const
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	77 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	78 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	79 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	80 octave_idx_type a_nr = a_fact.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	81 octave_idx_type a_nc = a_fact.cols ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	82 octave_idx_type mn = (a_nr < a_nc ? a_nr : a_nc);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	83
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	84 T l (a_nr, mn, ELT_T (0.0));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	85
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	86 for (octave_idx_type i = 0; i < a_nr; i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	87 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	88 if (i < a_nc)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	89 l.xelem (i, i) = 1.0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	90
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	91 for (octave_idx_type j = 0; j < (i < a_nc ? i : a_nc); j++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	92 l.xelem (i, j) = a_fact.xelem (i, j);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	93 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	94
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	95 return l;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	96 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	97 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	98 return l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	99 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	100
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	101 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	102 T
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	103 lu<T>::U (void) const
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	104 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	105 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	106 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	107 octave_idx_type a_nr = a_fact.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	108 octave_idx_type a_nc = a_fact.cols ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	109 octave_idx_type mn = (a_nr < a_nc ? a_nr : a_nc);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	110
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	111 T u (mn, a_nc, ELT_T (0.0));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	112
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	113 for (octave_idx_type i = 0; i < mn; i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	114 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	115 for (octave_idx_type j = i; j < a_nc; j++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	116 u.xelem (i, j) = a_fact.xelem (i, j);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	117 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	118
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	119 return u;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	120 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	121 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	122 return a_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	123 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	124
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	125 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	126 T
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	127 lu<T>::Y (void) const
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	128 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	129 if (! packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	130 (*current_liboctave_error_handler)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	131 ("lu: Y () not implemented for unpacked form");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	132
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	133 return a_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	134 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	135
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	136 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	137 Array<octave_idx_type>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	138 lu<T>::getp (void) const
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	139 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	140 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	141 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	142 octave_idx_type a_nr = a_fact.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	143
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	144 Array<octave_idx_type> pvt (dim_vector (a_nr, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	145
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	146 for (octave_idx_type i = 0; i < a_nr; i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	147 pvt.xelem (i) = i;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	148
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	149 for (octave_idx_type i = 0; i < ipvt.numel (); i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	150 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	151 octave_idx_type k = ipvt.xelem (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	152
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	153 if (k != i)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	154 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	155 octave_idx_type tmp = pvt.xelem (k);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	156 pvt.xelem (k) = pvt.xelem (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	157 pvt.xelem (i) = tmp;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	158 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	159 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	160
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	161 return pvt;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	162 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	163 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	164 return ipvt;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	165 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	166
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	167 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	168 PermMatrix
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	169 lu<T>::P (void) const
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	170 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	171 return PermMatrix (getp (), false);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	172 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	173
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	174 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	175 ColumnVector
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	176 lu<T>::P_vec (void) const
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	177 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	178 octave_idx_type a_nr = a_fact.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	179
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	180 ColumnVector p (a_nr);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	181
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	182 Array<octave_idx_type> pvt = getp ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	183
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	184 for (octave_idx_type i = 0; i < a_nr; i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	185 p.xelem (i) = static_cast<double> (pvt.xelem (i) + 1);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	186
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	187 return p;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	188 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	189
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	190 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	191 bool
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	192 lu<T>::regular (void) const
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	193 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	194 bool retval = true;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	195
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	196 octave_idx_type k = std::min (a_fact.rows (), a_fact.columns ());
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	197
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	198 for (octave_idx_type i = 0; i < k; i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	199 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	200 if (a_fact(i, i) == ELT_T ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	201 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	202 retval = false;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	203 break;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	204 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	205 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	206
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	207 return retval;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	208 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	209
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	210 #if ! defined (HAVE_QRUPDATE_LUU)
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	211
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	212 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	213 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	214 lu<T>::update (const VT&, const VT&)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	215 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	216 (*current_liboctave_error_handler)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	217 ("luupdate: support for qrupdate with LU updates "
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	218 "was unavailable or disabled when liboctave was built");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	219 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	220
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	221 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	222 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	223 lu<T>::update (const T&, const T&)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	224 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	225 (*current_liboctave_error_handler)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	226 ("luupdate: support for qrupdate with LU updates "
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	227 "was unavailable or disabled when liboctave was built");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	228 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	229
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	230 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	231 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	232 lu<T>::update_piv (const VT&, const VT&)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	233 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	234 (*current_liboctave_error_handler)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	235 ("luupdate: support for qrupdate with LU updates "
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	236 "was unavailable or disabled when liboctave was built");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	237 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	238
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	239 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	240 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	241 lu<T>::update_piv (const T&, const T&)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	242 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	243 (*current_liboctave_error_handler)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	244 ("luupdate: support for qrupdate with LU updates "
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	245 "was unavailable or disabled when liboctave was built");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	246 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	247
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	248 #endif
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	249
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	250 // Specializations.
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	251
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	252 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	253 lu<Matrix>::lu (const Matrix& a)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	254 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	255 octave_idx_type a_nr = a.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	256 octave_idx_type a_nc = a.cols ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	257 octave_idx_type mn = (a_nr < a_nc ? a_nr : a_nc);
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	258
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	259 ipvt.resize (dim_vector (mn, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	260 octave_idx_type *pipvt = ipvt.fortran_vec ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	261
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	262 a_fact = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	263 double *tmp_data = a_fact.fortran_vec ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	264
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	265 octave_idx_type info = 0;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	266
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	267 F77_XFCN (dgetrf, DGETRF, (a_nr, a_nc, tmp_data, a_nr, pipvt, info));
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	268
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	269 for (octave_idx_type i = 0; i < mn; i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	270 pipvt[i] -= 1;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	271 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	272
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	273 #if defined (HAVE_QRUPDATE_LUU)
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	274
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	275 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	276 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	277 lu<Matrix>::update (const ColumnVector& u, const ColumnVector& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	278 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	279 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	280 unpack ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	281
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	282 Matrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	283 Matrix& r = a_fact;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	284
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	285 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	286 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	287 octave_idx_type k = l.columns ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	288
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	289 if (u.numel () != m \|\| v.numel () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	290 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	291
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	292 ColumnVector utmp = u;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	293 ColumnVector vtmp = v;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	294 F77_XFCN (dlu1up, DLU1UP, (m, n, l.fortran_vec (), m, r.fortran_vec (), k,
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	295 utmp.fortran_vec (), vtmp.fortran_vec ()));
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	296 }
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	297
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	298 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	299 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	300 lu<Matrix>::update (const Matrix& u, const Matrix& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	301 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	302 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	303 unpack ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	304
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	305 Matrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	306 Matrix& r = a_fact;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	307
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	308 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	309 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	310 octave_idx_type k = l.columns ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	311
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	312 if (u.rows () != m \|\| v.rows () != n \|\| u.cols () != v.cols ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	313 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	314
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	315 for (volatile octave_idx_type i = 0; i < u.cols (); i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	316 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	317 ColumnVector utmp = u.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	318 ColumnVector vtmp = v.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	319 F77_XFCN (dlu1up, DLU1UP, (m, n, l.fortran_vec (),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	320 m, r.fortran_vec (), k,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	321 utmp.fortran_vec (), vtmp.fortran_vec ()));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	322 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	323 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	324
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	325 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	326 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	327 lu<Matrix>::update_piv (const ColumnVector& u, const ColumnVector& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	328 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	329 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	330 unpack ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	331
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	332 Matrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	333 Matrix& r = a_fact;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	334
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	335 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	336 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	337 octave_idx_type k = l.columns ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	338
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	339 if (u.numel () != m \|\| v.numel () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	340 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	341
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	342 ColumnVector utmp = u;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	343 ColumnVector vtmp = v;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	344 OCTAVE_LOCAL_BUFFER (double, w, m);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	345 for (octave_idx_type i = 0; i < m; i++) ipvt(i) += 1; // increment
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	346 F77_XFCN (dlup1up, DLUP1UP, (m, n, l.fortran_vec (),
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	347 m, r.fortran_vec (), k,
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	348 ipvt.fortran_vec (),
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	349 utmp.data (), vtmp.data (), w));
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	350 for (octave_idx_type i = 0; i < m; i++) ipvt(i) -= 1; // decrement
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	351 }
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	352
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	353 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	354 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	355 lu<Matrix>::update_piv (const Matrix& u, const Matrix& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	356 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	357 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	358 unpack ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	359
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	360 Matrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	361 Matrix& r = a_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	362
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	363 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	364 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	365 octave_idx_type k = l.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	366
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	367 if (u.rows () != m \|\| v.rows () != n \|\| u.cols () != v.cols ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	368 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	369
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	370 OCTAVE_LOCAL_BUFFER (double, w, m);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	371 for (octave_idx_type i = 0; i < m; i++) ipvt(i) += 1; // increment
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	372 for (volatile octave_idx_type i = 0; i < u.cols (); i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	373 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	374 ColumnVector utmp = u.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	375 ColumnVector vtmp = v.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	376 F77_XFCN (dlup1up, DLUP1UP, (m, n, l.fortran_vec (),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	377 m, r.fortran_vec (), k,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	378 ipvt.fortran_vec (),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	379 utmp.data (), vtmp.data (), w));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	380 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	381 for (octave_idx_type i = 0; i < m; i++) ipvt(i) -= 1; // decrement
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	382 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	383
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	384 #endif
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	385
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	386 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	387 lu<FloatMatrix>::lu (const FloatMatrix& a)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	388 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	389 octave_idx_type a_nr = a.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	390 octave_idx_type a_nc = a.cols ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	391 octave_idx_type mn = (a_nr < a_nc ? a_nr : a_nc);
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	392
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	393 ipvt.resize (dim_vector (mn, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	394 octave_idx_type *pipvt = ipvt.fortran_vec ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	395
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	396 a_fact = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	397 float *tmp_data = a_fact.fortran_vec ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	398
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	399 octave_idx_type info = 0;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	400
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	401 F77_XFCN (sgetrf, SGETRF, (a_nr, a_nc, tmp_data, a_nr, pipvt, info));
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	402
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	403 for (octave_idx_type i = 0; i < mn; i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	404 pipvt[i] -= 1;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	405 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	406
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	407 #if defined (HAVE_QRUPDATE_LUU)
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	408
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	409 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	410 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	411 lu<FloatMatrix>::update (const FloatColumnVector& u, const FloatColumnVector& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	412 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	413 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	414 unpack ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	415
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	416 FloatMatrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	417 FloatMatrix& r = a_fact;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	418
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	419 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	420 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	421 octave_idx_type k = l.columns ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	422
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	423 if (u.numel () != m \|\| v.numel () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	424 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	425
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	426 FloatColumnVector utmp = u;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	427 FloatColumnVector vtmp = v;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	428 F77_XFCN (slu1up, SLU1UP, (m, n, l.fortran_vec (),
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	429 m, r.fortran_vec (), k,
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	430 utmp.fortran_vec (), vtmp.fortran_vec ()));
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	431 }
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	432
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	433 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	434 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	435 lu<FloatMatrix>::update (const FloatMatrix& u, const FloatMatrix& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	436 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	437 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	438 unpack ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	439
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	440 FloatMatrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	441 FloatMatrix& r = a_fact;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	442
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	443 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	444 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	445 octave_idx_type k = l.columns ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	446
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	447 if (u.rows () != m \|\| v.rows () != n \|\| u.cols () != v.cols ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	448 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	449
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	450 for (volatile octave_idx_type i = 0; i < u.cols (); i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	451 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	452 FloatColumnVector utmp = u.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	453 FloatColumnVector vtmp = v.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	454 F77_XFCN (slu1up, SLU1UP, (m, n, l.fortran_vec (),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	455 m, r.fortran_vec (), k,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	456 utmp.fortran_vec (), vtmp.fortran_vec ()));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	457 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	458 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	459
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	460 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	461 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	462 lu<FloatMatrix>::update_piv (const FloatColumnVector& u,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	463 const FloatColumnVector& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	464 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	465 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	466 unpack ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	467
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	468 FloatMatrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	469 FloatMatrix& r = a_fact;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	470
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	471 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	472 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	473 octave_idx_type k = l.columns ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	474
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	475 if (u.numel () != m \|\| v.numel () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	476 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	477
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	478 FloatColumnVector utmp = u;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	479 FloatColumnVector vtmp = v;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	480 OCTAVE_LOCAL_BUFFER (float, w, m);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	481 for (octave_idx_type i = 0; i < m; i++) ipvt(i) += 1; // increment
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	482 F77_XFCN (slup1up, SLUP1UP, (m, n, l.fortran_vec (),
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	483 m, r.fortran_vec (), k,
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	484 ipvt.fortran_vec (),
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	485 utmp.data (), vtmp.data (), w));
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	486 for (octave_idx_type i = 0; i < m; i++) ipvt(i) -= 1; // decrement
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	487 }
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	488
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	489 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	490 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	491 lu<FloatMatrix>::update_piv (const FloatMatrix& u, const FloatMatrix& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	492 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	493 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	494 unpack ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	495
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	496 FloatMatrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	497 FloatMatrix& r = a_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	498
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	499 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	500 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	501 octave_idx_type k = l.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	502
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	503 if (u.rows () != m \|\| v.rows () != n \|\| u.cols () != v.cols ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	504 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	505
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	506 OCTAVE_LOCAL_BUFFER (float, w, m);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	507 for (octave_idx_type i = 0; i < m; i++) ipvt(i) += 1; // increment
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	508 for (volatile octave_idx_type i = 0; i < u.cols (); i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	509 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	510 FloatColumnVector utmp = u.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	511 FloatColumnVector vtmp = v.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	512 F77_XFCN (slup1up, SLUP1UP, (m, n, l.fortran_vec (),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	513 m, r.fortran_vec (), k,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	514 ipvt.fortran_vec (),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	515 utmp.data (), vtmp.data (), w));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	516 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	517 for (octave_idx_type i = 0; i < m; i++) ipvt(i) -= 1; // decrement
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	518 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	519
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	520 #endif
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	521
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	522 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	523 lu<ComplexMatrix>::lu (const ComplexMatrix& a)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	524 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	525 octave_idx_type a_nr = a.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	526 octave_idx_type a_nc = a.cols ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	527 octave_idx_type mn = (a_nr < a_nc ? a_nr : a_nc);
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	528
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	529 ipvt.resize (dim_vector (mn, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	530 octave_idx_type *pipvt = ipvt.fortran_vec ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	531
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	532 a_fact = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	533 Complex *tmp_data = a_fact.fortran_vec ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	534
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	535 octave_idx_type info = 0;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	536
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	537 F77_XFCN (zgetrf, ZGETRF, (a_nr, a_nc, F77_DBLE_CMPLX_ARG (tmp_data), a_nr, pipvt, info));
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	538
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	539 for (octave_idx_type i = 0; i < mn; i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	540 pipvt[i] -= 1;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	541 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	542
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	543 #if defined (HAVE_QRUPDATE_LUU)
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	544
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	545 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	546 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	547 lu<ComplexMatrix>::update (const ComplexColumnVector& u,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	548 const ComplexColumnVector& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	549 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	550 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	551 unpack ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	552
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	553 ComplexMatrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	554 ComplexMatrix& r = a_fact;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	555
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	556 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	557 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	558 octave_idx_type k = l.columns ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	559
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	560 if (u.numel () != m \|\| v.numel () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	561 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	562
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	563 ComplexColumnVector utmp = u;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	564 ComplexColumnVector vtmp = v;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	565 F77_XFCN (zlu1up, ZLU1UP, (m, n, F77_DBLE_CMPLX_ARG (l.fortran_vec ()), m, F77_DBLE_CMPLX_ARG (r.fortran_vec ()), k,
22135 407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531) John W. Eaton <jwe@octave.org> parents: 22133 diff changeset	566 F77_DBLE_CMPLX_ARG (utmp.fortran_vec ()), F77_DBLE_CMPLX_ARG (vtmp.fortran_vec ())));
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	567 }
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	568
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	569 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	570 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	571 lu<ComplexMatrix>::update (const ComplexMatrix& u, const ComplexMatrix& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	572 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	573 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	574 unpack ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	575
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	576 ComplexMatrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	577 ComplexMatrix& r = a_fact;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	578
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	579 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	580 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	581 octave_idx_type k = l.columns ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	582
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	583 if (u.rows () != m \|\| v.rows () != n \|\| u.cols () != v.cols ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	584 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	585
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	586 for (volatile octave_idx_type i = 0; i < u.cols (); i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	587 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	588 ComplexColumnVector utmp = u.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	589 ComplexColumnVector vtmp = v.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	590 F77_XFCN (zlu1up, ZLU1UP, (m, n, F77_DBLE_CMPLX_ARG (l.fortran_vec ()),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	591 m, F77_DBLE_CMPLX_ARG (r.fortran_vec ()), k,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	592 F77_DBLE_CMPLX_ARG (utmp.fortran_vec ()), F77_DBLE_CMPLX_ARG (vtmp.fortran_vec ())));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	593 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	594 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	595
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	596 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	597 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	598 lu<ComplexMatrix>::update_piv (const ComplexColumnVector& u,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	599 const ComplexColumnVector& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	600 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	601 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	602 unpack ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	603
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	604 ComplexMatrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	605 ComplexMatrix& r = a_fact;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	606
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	607 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	608 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	609 octave_idx_type k = l.columns ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	610
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	611 if (u.numel () != m \|\| v.numel () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	612 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	613
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	614 ComplexColumnVector utmp = u;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	615 ComplexColumnVector vtmp = v;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	616 OCTAVE_LOCAL_BUFFER (Complex, w, m);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	617 for (octave_idx_type i = 0; i < m; i++) ipvt(i) += 1; // increment
22135 407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531) John W. Eaton <jwe@octave.org> parents: 22133 diff changeset	618 F77_XFCN (zlup1up, ZLUP1UP, (m, n, F77_DBLE_CMPLX_ARG (l.fortran_vec ()),
407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531) John W. Eaton <jwe@octave.org> parents: 22133 diff changeset	619 m, F77_DBLE_CMPLX_ARG (r.fortran_vec ()), k,
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	620 ipvt.fortran_vec (),
22135 407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531) John W. Eaton <jwe@octave.org> parents: 22133 diff changeset	621 F77_CONST_DBLE_CMPLX_ARG (utmp.data ()), F77_CONST_DBLE_CMPLX_ARG (vtmp.data ()), F77_DBLE_CMPLX_ARG (w)));
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	622 for (octave_idx_type i = 0; i < m; i++) ipvt(i) -= 1; // decrement
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	623 }
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	624
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	625 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	626 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	627 lu<ComplexMatrix>::update_piv (const ComplexMatrix& u, const ComplexMatrix& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	628 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	629 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	630 unpack ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	631
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	632 ComplexMatrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	633 ComplexMatrix& r = a_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	634
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	635 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	636 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	637 octave_idx_type k = l.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	638
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	639 if (u.rows () != m \|\| v.rows () != n \|\| u.cols () != v.cols ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	640 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	641
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	642 OCTAVE_LOCAL_BUFFER (Complex, w, m);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	643 for (octave_idx_type i = 0; i < m; i++) ipvt(i) += 1; // increment
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	644 for (volatile octave_idx_type i = 0; i < u.cols (); i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	645 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	646 ComplexColumnVector utmp = u.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	647 ComplexColumnVector vtmp = v.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	648 F77_XFCN (zlup1up, ZLUP1UP, (m, n, F77_DBLE_CMPLX_ARG (l.fortran_vec ()),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	649 m, F77_DBLE_CMPLX_ARG (r.fortran_vec ()), k,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	650 ipvt.fortran_vec (),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	651 F77_CONST_DBLE_CMPLX_ARG (utmp.data ()), F77_CONST_DBLE_CMPLX_ARG (vtmp.data ()), F77_DBLE_CMPLX_ARG (w)));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	652 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	653 for (octave_idx_type i = 0; i < m; i++) ipvt(i) -= 1; // decrement
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	654 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	655
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	656 #endif
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	657
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	658 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	659 lu<FloatComplexMatrix>::lu (const FloatComplexMatrix& a)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	660 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	661 octave_idx_type a_nr = a.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	662 octave_idx_type a_nc = a.cols ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	663 octave_idx_type mn = (a_nr < a_nc ? a_nr : a_nc);
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	664
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	665 ipvt.resize (dim_vector (mn, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	666 octave_idx_type *pipvt = ipvt.fortran_vec ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	667
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	668 a_fact = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	669 FloatComplex *tmp_data = a_fact.fortran_vec ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	670
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	671 octave_idx_type info = 0;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	672
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	673 F77_XFCN (cgetrf, CGETRF, (a_nr, a_nc, F77_CMPLX_ARG (tmp_data), a_nr, pipvt, info));
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	674
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	675 for (octave_idx_type i = 0; i < mn; i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	676 pipvt[i] -= 1;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	677 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	678
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	679 #if defined (HAVE_QRUPDATE_LUU)
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	680
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	681 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	682 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	683 lu<FloatComplexMatrix>::update (const FloatComplexColumnVector& u,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	684 const FloatComplexColumnVector& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	685 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	686 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	687 unpack ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	688
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	689 FloatComplexMatrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	690 FloatComplexMatrix& r = a_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	691
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	692 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	693 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	694 octave_idx_type k = l.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	695
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	696 if (u.numel () == m && v.numel () == n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	697 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	698 FloatComplexColumnVector utmp = u;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	699 FloatComplexColumnVector vtmp = v;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	700 F77_XFCN (clu1up, CLU1UP, (m, n, F77_CMPLX_ARG (l.fortran_vec ()), m, F77_CMPLX_ARG (r.fortran_vec ()), k,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	701 F77_CMPLX_ARG (utmp.fortran_vec ()), F77_CMPLX_ARG (vtmp.fortran_vec ())));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	702 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	703 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	704 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	705 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	706
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	707 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	708 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	709 lu<FloatComplexMatrix>::update (const FloatComplexMatrix& u,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	710 const FloatComplexMatrix& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	711 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	712 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	713 unpack ();
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	714
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	715 FloatComplexMatrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	716 FloatComplexMatrix& r = a_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	717
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	718 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	719 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	720 octave_idx_type k = l.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	721
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	722 if (u.rows () != m \|\| v.rows () != n \|\| u.cols () != v.cols ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	723 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	724
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	725 for (volatile octave_idx_type i = 0; i < u.cols (); i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	726 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	727 FloatComplexColumnVector utmp = u.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	728 FloatComplexColumnVector vtmp = v.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	729 F77_XFCN (clu1up, CLU1UP, (m, n, F77_CMPLX_ARG (l.fortran_vec ()),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	730 m, F77_CMPLX_ARG (r.fortran_vec ()), k,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	731 F77_CMPLX_ARG (utmp.fortran_vec ()), F77_CMPLX_ARG (vtmp.fortran_vec ())));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	732 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	733 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	734
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	735 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	736 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	737 lu<FloatComplexMatrix>::update_piv (const FloatComplexColumnVector& u,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	738 const FloatComplexColumnVector& v)
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	739 {
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	740 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	741 unpack ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	742
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	743 FloatComplexMatrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	744 FloatComplexMatrix& r = a_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	745
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	746 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	747 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	748 octave_idx_type k = l.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	749
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	750 if (u.numel () != m \|\| v.numel () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	751 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	752
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	753 FloatComplexColumnVector utmp = u;
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	754 FloatComplexColumnVector vtmp = v;
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	755 OCTAVE_LOCAL_BUFFER (FloatComplex, w, m);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	756 for (octave_idx_type i = 0; i < m; i++) ipvt(i) += 1; // increment
22135 407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531) John W. Eaton <jwe@octave.org> parents: 22133 diff changeset	757 F77_XFCN (clup1up, CLUP1UP, (m, n, F77_CMPLX_ARG (l.fortran_vec ()),
407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531) John W. Eaton <jwe@octave.org> parents: 22133 diff changeset	758 m, F77_CMPLX_ARG (r.fortran_vec ()), k,
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	759 ipvt.fortran_vec (),
22135 407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531) John W. Eaton <jwe@octave.org> parents: 22133 diff changeset	760 F77_CONST_CMPLX_ARG (utmp.data ()), F77_CONST_CMPLX_ARG (vtmp.data ()), F77_CMPLX_ARG (w)));
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	761 for (octave_idx_type i = 0; i < m; i++) ipvt(i) -= 1; // decrement
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	762 }
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	763
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	764 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	765 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	766 lu<FloatComplexMatrix>::update_piv (const FloatComplexMatrix& u,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	767 const FloatComplexMatrix& v)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	768 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	769 if (packed ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	770 unpack ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	771
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	772 FloatComplexMatrix& l = l_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	773 FloatComplexMatrix& r = a_fact;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	774
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	775 octave_idx_type m = l.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	776 octave_idx_type n = r.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	777 octave_idx_type k = l.columns ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	778
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	779 if (u.rows () != m \|\| v.rows () != n \|\| u.cols () != v.cols ())
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	780 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	781
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	782 OCTAVE_LOCAL_BUFFER (FloatComplex, w, m);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	783 for (octave_idx_type i = 0; i < m; i++) ipvt(i) += 1; // increment
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	784 for (volatile octave_idx_type i = 0; i < u.cols (); i++)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	785 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	786 FloatComplexColumnVector utmp = u.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	787 FloatComplexColumnVector vtmp = v.column (i);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	788 F77_XFCN (clup1up, CLUP1UP, (m, n, F77_CMPLX_ARG (l.fortran_vec ()),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	789 m, F77_CMPLX_ARG (r.fortran_vec ()), k,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	790 ipvt.fortran_vec (),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	791 F77_CONST_CMPLX_ARG (utmp.data ()), F77_CONST_CMPLX_ARG (vtmp.data ()), F77_CMPLX_ARG (w)));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	792 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	793 for (octave_idx_type i = 0; i < m; i++) ipvt(i) -= 1; // decrement
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	794 }
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	795
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	796 #endif
7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	797
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	798 // Instantiations we need.
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	799
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	800 template class lu<Matrix>;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	801
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	802 template class lu<FloatMatrix>;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	803
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	804 template class lu<ComplexMatrix>;
21271 7e67c7f82fc1 better use of templates for lu factorization classes John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	805
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	806 template class lu<FloatComplexMatrix>;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	807 }
22317 6ca3acf5fad8 move some new numeric classes to namespace octave::math John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	808 }

Mercurial > octave

annotate liboctave/numeric/lu.cc @ 22329:7f3c7a8bd131