octave-nkf: liboctave/numeric/CmplxCHOL.cc annotate

annotate liboctave/numeric/CmplxCHOL.cc @ 20830:b65888ec820e draft default tip gccjit

dmalcom gcc jit import

author	Stefan Mahr <dac922@gmx.de>
date	Fri, 27 Feb 2015 16:59:36 +0100
parents	dcfbf4c1c3c8
children

rev	line source
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	1 /*
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	2
19898 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	3 Copyright (C) 1994-2015 John W. Eaton
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11518 diff changeset	4 Copyright (C) 2008-2009 Jaroslav Hajek
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	5
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	7
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 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: 6486 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: 6486 diff changeset	11 option) any later version.
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	12
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	16 for more details.
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	17
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 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: 6486 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: 6486 diff changeset	20 <http://www.gnu.org/licenses/>.
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	21
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	22 */
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	23
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	24 #ifdef HAVE_CONFIG_H
1192 b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe] jwe parents: 1011 diff changeset	25 #include <config.h>
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	26 #endif
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	27
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	28 #include <vector>
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	29
6486 e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe] jwe parents: 5340 diff changeset	30 #include "dMatrix.h"
e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe] jwe parents: 5340 diff changeset	31 #include "dRowVector.h"
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	32 #include "CmplxCHOL.h"
1847 2ffe49eb95a5 [project @ 1996-02-03 12:47:55 by jwe] jwe parents: 1368 diff changeset	33 #include "f77-fcn.h"
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	34 #include "lo-error.h"
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 7725 diff changeset	35 #include "oct-locbuf.h"
9862 c0aeedd8fb86 improve chol Matlab compatibility Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	36 #include "oct-norm.h"
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	37 #ifndef HAVE_QRUPDATE
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	38 #include "dbleQR.h"
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	39 #endif
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	40
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	41 extern "C"
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	42 {
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	43 F77_RET_T
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	44 F77_FUNC (zpotrf, ZPOTRF) (F77_CONST_CHAR_ARG_DECL,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	45 const octave_idx_type&, Complex*,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	46 const octave_idx_type&, octave_idx_type&
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	47 F77_CHAR_ARG_LEN_DECL);
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	48 F77_RET_T
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	49 F77_FUNC (zpotri, ZPOTRI) (F77_CONST_CHAR_ARG_DECL,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	50 const octave_idx_type&, Complex*,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	51 const octave_idx_type&, octave_idx_type&
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	52 F77_CHAR_ARG_LEN_DECL);
6486 e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe] jwe parents: 5340 diff changeset	53
e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe] jwe parents: 5340 diff changeset	54 F77_RET_T
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	55 F77_FUNC (zpocon, ZPOCON) (F77_CONST_CHAR_ARG_DECL,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	56 const octave_idx_type&, Complex*,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	57 const octave_idx_type&, const double&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	58 double&, Complex, double, octave_idx_type&
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	59 F77_CHAR_ARG_LEN_DECL);
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	60 #ifdef HAVE_QRUPDATE
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	61
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	62 F77_RET_T
11495 8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	63 F77_FUNC (zch1up, ZCH1UP) (const octave_idx_type&, Complex*,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	64 const octave_idx_type&, Complex, double);
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	65
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	66 F77_RET_T
11495 8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	67 F77_FUNC (zch1dn, ZCH1DN) (const octave_idx_type&, Complex*,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	68 const octave_idx_type&, Complex, double,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	69 octave_idx_type&);
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	70
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	71 F77_RET_T
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	72 F77_FUNC (zchinx, ZCHINX) (const octave_idx_type&, Complex*,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	73 const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	74 Complex, double, octave_idx_type&);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	75
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	76 F77_RET_T
11495 8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	77 F77_FUNC (zchdex, ZCHDEX) (const octave_idx_type&, Complex*,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	78 const octave_idx_type&, const octave_idx_type&,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	79 double*);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	80
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	81 F77_RET_T
11495 8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	82 F77_FUNC (zchshx, ZCHSHX) (const octave_idx_type&, Complex*,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	83 const octave_idx_type&, const octave_idx_type&,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	84 const octave_idx_type&, Complex, double);
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	85 #endif
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	86 }
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	87
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	88 octave_idx_type
20672 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	89 ComplexCHOL::init (const ComplexMatrix& a, bool upper, bool calc_cond)
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	90 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	91 octave_idx_type a_nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	92 octave_idx_type a_nc = a.cols ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	93
1944 8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	94 if (a_nr != a_nc)
8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	95 {
8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	96 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	97 ("ComplexCHOL requires square matrix");
1944 8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	98 return -1;
8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	99 }
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	100
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	101 octave_idx_type n = a_nc;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	102 octave_idx_type info;
1944 8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	103
20672 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	104 is_upper = upper;
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	105
9862 c0aeedd8fb86 improve chol Matlab compatibility Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	106 chol_mat.clear (n, n);
20672 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	107 if (is_upper)
9862 c0aeedd8fb86 improve chol Matlab compatibility Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	108 {
20672 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	109 for (octave_idx_type j = 0; j < n; j++)
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	110 {
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	111 for (octave_idx_type i = 0; i <= j; i++)
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	112 chol_mat.xelem (i, j) = a (i, j);
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	113 for (octave_idx_type i = j + 1; i < n; i++)
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	114 chol_mat.xelem (i, j) = 0.0;
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	115 }
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	116 }
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	117 else
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	118 {
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	119 for (octave_idx_type j = 0; j < n; j++)
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	120 {
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	121 for (octave_idx_type i = 0; i < j; i++)
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	122 chol_mat.xelem (i, j) = 0.0;
20741 dcfbf4c1c3c8 eliminate trailing whitespace and tabs from sources John W. Eaton <jwe@octave.org> parents: 20672 diff changeset	123 for (octave_idx_type i = j; i < n; i++)
20672 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	124 chol_mat.xelem (i, j) = a (i, j);
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	125 }
9862 c0aeedd8fb86 improve chol Matlab compatibility Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	126 }
1944 8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	127 Complex *h = chol_mat.fortran_vec ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	128
6486 e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe] jwe parents: 5340 diff changeset	129 // Calculate the norm of the matrix, for later use.
e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe] jwe parents: 5340 diff changeset	130 double anorm = 0;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	131 if (calc_cond)
9862 c0aeedd8fb86 improve chol Matlab compatibility Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	132 anorm = xnorm (a, 1);
6486 e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe] jwe parents: 5340 diff changeset	133
20672 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	134 if (is_upper)
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	135 {
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	136 F77_XFCN (zpotrf, ZPOTRF, (F77_CONST_CHAR_ARG2 ("U", 1),
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	137 n, h, n, info
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	138 F77_CHAR_ARG_LEN (1)));
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	139 }
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	140 else
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	141 {
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	142 F77_XFCN (zpotrf, ZPOTRF, (F77_CONST_CHAR_ARG2 ("L", 1),
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	143 n, h, n, info
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	144 F77_CHAR_ARG_LEN (1)));
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	145 }
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	146
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	147 xrcond = 0.0;
9862 c0aeedd8fb86 improve chol Matlab compatibility Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	148 if (info > 0)
c0aeedd8fb86 improve chol Matlab compatibility Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	149 chol_mat.resize (info - 1, info - 1);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	150 else if (calc_cond)
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	151 {
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	152 octave_idx_type zpocon_info = 0;
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	153
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	154 // Now calculate the condition number for non-singular matrix.
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	155 Array<Complex> z (dim_vector (2*n, 1));
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	156 Complex *pz = z.fortran_vec ();
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	157 Array<double> rz (dim_vector (n, 1));
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	158 double *prz = rz.fortran_vec ();
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	159 F77_XFCN (zpocon, ZPOCON, (F77_CONST_CHAR_ARG2 ("U", 1), n, h,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	160 n, anorm, xrcond, pz, prz, zpocon_info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	161 F77_CHAR_ARG_LEN (1)));
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	162
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	163 if (zpocon_info != 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	164 info = -1;
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	165 }
1944 8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	166
8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	167 return info;
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	168 }
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	169
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	170 static ComplexMatrix
20672 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	171 chol2inv_internal (const ComplexMatrix& r, bool is_upper = true)
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	172 {
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	173 ComplexMatrix retval;
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	174
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	175 octave_idx_type r_nr = r.rows ();
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	176 octave_idx_type r_nc = r.cols ();
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	177
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	178 if (r_nr == r_nc)
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	179 {
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	180 octave_idx_type n = r_nc;
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	181 octave_idx_type info;
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	182
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	183 ComplexMatrix tmp = r;
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	184
20672 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	185 if (is_upper)
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	186 {
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	187 F77_XFCN (zpotri, ZPOTRI, (F77_CONST_CHAR_ARG2 ("U", 1), n,
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	188 tmp.fortran_vec (), n, info
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	189 F77_CHAR_ARG_LEN (1)));
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	190 }
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	191 else
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	192 {
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	193 F77_XFCN (zpotri, ZPOTRI, (F77_CONST_CHAR_ARG2 ("L", 1), n,
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	194 tmp.fortran_vec (), n, info
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	195 F77_CHAR_ARG_LEN (1)));
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	196 }
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	197
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	198 // If someone thinks of a more graceful way of doing this (or
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	199 // faster for that matter :-)), please let me know!
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	200
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	201 if (n > 1)
20672 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	202 {
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	203 if (is_upper)
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	204 {
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	205 for (octave_idx_type j = 0; j < r_nc; j++)
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	206 for (octave_idx_type i = j+1; i < r_nr; i++)
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	207 tmp.xelem (i, j) = tmp.xelem (j, i);
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	208 }
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	209 else
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	210 {
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	211 for (octave_idx_type j = 0; j < r_nc; j++)
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	212 for (octave_idx_type i = j+1; i < r_nr; i++)
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	213 tmp.xelem (j, i) = tmp.xelem (i, j);
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	214 }
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	215 }
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	216
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	217 retval = tmp;
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	218 }
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	219 else
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	220 (*current_liboctave_error_handler) ("chol2inv requires square matrix");
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	221
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	222 return retval;
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	223 }
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	224
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	225 // Compute the inverse of a matrix using the Cholesky factorization.
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	226 ComplexMatrix
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	227 ComplexCHOL::inverse (void) const
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	228 {
20672 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20442 diff changeset	229 return chol2inv_internal (chol_mat, is_upper);
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	230 }
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	231
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	232 void
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	233 ComplexCHOL::set (const ComplexMatrix& R)
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	234 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	235 if (R.is_square ())
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	236 chol_mat = R;
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	237 else
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	238 (*current_liboctave_error_handler) ("CHOL requires square matrix");
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	239 }
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	240
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	241 #ifdef HAVE_QRUPDATE
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	242
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	243 void
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	244 ComplexCHOL::update (const ComplexColumnVector& u)
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	245 {
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	246 octave_idx_type n = chol_mat.rows ();
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	247
20442 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 19898 diff changeset	248 if (u.numel () == n)
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	249 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	250 ComplexColumnVector utmp = u;
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	251
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	252 OCTAVE_LOCAL_BUFFER (double, rw, n);
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	253
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	254 F77_XFCN (zch1up, ZCH1UP, (n, chol_mat.fortran_vec (), chol_mat.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	255 utmp.fortran_vec (), rw));
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	256 }
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	257 else
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	258 (*current_liboctave_error_handler) ("cholupdate: dimension mismatch");
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	259 }
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	260
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	261 octave_idx_type
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	262 ComplexCHOL::downdate (const ComplexColumnVector& u)
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	263 {
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	264 octave_idx_type info = -1;
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	265
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	266 octave_idx_type n = chol_mat.rows ();
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	267
20442 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 19898 diff changeset	268 if (u.numel () == n)
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	269 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	270 ComplexColumnVector utmp = u;
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	271
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	272 OCTAVE_LOCAL_BUFFER (double, rw, n);
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	273
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	274 F77_XFCN (zch1dn, ZCH1DN, (n, chol_mat.fortran_vec (), chol_mat.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	275 utmp.fortran_vec (), rw, info));
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	276 }
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	277 else
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	278 (*current_liboctave_error_handler) ("cholupdate: dimension mismatch");
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	279
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	280 return info;
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	281 }
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	282
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	283 octave_idx_type
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	284 ComplexCHOL::insert_sym (const ComplexColumnVector& u, octave_idx_type j)
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	285 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	286 octave_idx_type info = -1;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	287
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	288 octave_idx_type n = chol_mat.rows ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	289
20442 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 19898 diff changeset	290 if (u.numel () != n + 1)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	291 (*current_liboctave_error_handler) ("cholinsert: dimension mismatch");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	292 else if (j < 0 \|\| j > n)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	293 (*current_liboctave_error_handler) ("cholinsert: index out of range");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	294 else
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	295 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	296 ComplexColumnVector utmp = u;
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	297
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	298 OCTAVE_LOCAL_BUFFER (double, rw, n);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	299
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	300 chol_mat.resize (n+1, n+1);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	301
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	302 F77_XFCN (zchinx, ZCHINX, (n, chol_mat.fortran_vec (), chol_mat.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	303 j + 1, utmp.fortran_vec (), rw, info));
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	304 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	305
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	306 return info;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	307 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	308
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	309 void
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	310 ComplexCHOL::delete_sym (octave_idx_type j)
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	311 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	312 octave_idx_type n = chol_mat.rows ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	313
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	314 if (j < 0 \|\| j > n-1)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	315 (*current_liboctave_error_handler) ("choldelete: index out of range");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	316 else
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	317 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	318 OCTAVE_LOCAL_BUFFER (double, rw, n);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	319
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	320 F77_XFCN (zchdex, ZCHDEX, (n, chol_mat.fortran_vec (), chol_mat.rows (),
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	321 j + 1, rw));
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	322
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	323 chol_mat.resize (n-1, n-1);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	324 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	325 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	326
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	327 void
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	328 ComplexCHOL::shift_sym (octave_idx_type i, octave_idx_type j)
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	329 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	330 octave_idx_type n = chol_mat.rows ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	331
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	332 if (i < 0 \|\| i > n-1 \|\| j < 0 \|\| j > n-1)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	333 (*current_liboctave_error_handler) ("cholshift: index out of range");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	334 else
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	335 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	336 OCTAVE_LOCAL_BUFFER (Complex, w, n);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	337 OCTAVE_LOCAL_BUFFER (double, rw, n);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	338
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	339 F77_XFCN (zchshx, ZCHSHX, (n, chol_mat.fortran_vec (), chol_mat.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	340 i + 1, j + 1, w, rw));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	341 }
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	342 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	343
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	344 #else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	345
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	346 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	347 ComplexCHOL::update (const ComplexColumnVector& u)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	348 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	349 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	350
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	351 octave_idx_type n = chol_mat.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	352
20442 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 19898 diff changeset	353 if (u.numel () == n)
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	354 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	355 init (chol_mat.hermitian () * chol_mat
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	356 + ComplexMatrix (u) * ComplexMatrix (u).hermitian (), false);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	357 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	358 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	359 (*current_liboctave_error_handler) ("cholupdate: dimension mismatch");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	360 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	361
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	362 static bool
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	363 singular (const ComplexMatrix& a)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	364 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	365 for (octave_idx_type i = 0; i < a.rows (); i++)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	366 if (a(i,i) == 0.0) return true;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	367 return false;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	368 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	369
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	370 octave_idx_type
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	371 ComplexCHOL::downdate (const ComplexColumnVector& u)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	372 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	373 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	374
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	375 octave_idx_type info = -1;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	376
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	377 octave_idx_type n = chol_mat.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	378
20442 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 19898 diff changeset	379 if (u.numel () == n)
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	380 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	381 if (singular (chol_mat))
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	382 info = 2;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	383 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	384 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	385 info = init (chol_mat.hermitian () * chol_mat
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	386 - ComplexMatrix (u) * ComplexMatrix (u).hermitian (),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	387 false);
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	388 if (info) info = 1;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	389 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	390 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	391 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	392 (*current_liboctave_error_handler) ("cholupdate: dimension mismatch");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	393
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	394 return info;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	395 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	396
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	397 octave_idx_type
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	398 ComplexCHOL::insert_sym (const ComplexColumnVector& u, octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	399 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	400 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	401
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	402 octave_idx_type info = -1;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	403
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	404 octave_idx_type n = chol_mat.rows ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	405
20442 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 19898 diff changeset	406 if (u.numel () != n + 1)
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	407 (*current_liboctave_error_handler) ("cholinsert: dimension mismatch");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	408 else if (j < 0 \|\| j > n)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	409 (*current_liboctave_error_handler) ("cholinsert: index out of range");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	410 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	411 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	412 if (singular (chol_mat))
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	413 info = 2;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	414 else if (u(j).imag () != 0.0)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	415 info = 3;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	416 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	417 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	418 ComplexMatrix a = chol_mat.hermitian () * chol_mat;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	419 ComplexMatrix a1 (n+1, n+1);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	420 for (octave_idx_type k = 0; k < n+1; k++)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	421 for (octave_idx_type l = 0; l < n+1; l++)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	422 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	423 if (l == j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	424 a1(k, l) = u(k);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	425 else if (k == j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	426 a1(k, l) = std::conj (u(l));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	427 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	428 a1(k, l) = a(k < j ? k : k-1, l < j ? l : l-1);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	429 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	430 info = init (a1, false);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	431 if (info) info = 1;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	432 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	433 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	434
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	435 return info;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	436 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	437
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	438 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	439 ComplexCHOL::delete_sym (octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	440 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	441 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	442
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	443 octave_idx_type n = chol_mat.rows ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	444
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	445 if (j < 0 \|\| j > n-1)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	446 (*current_liboctave_error_handler) ("choldelete: index out of range");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	447 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	448 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	449 ComplexMatrix a = chol_mat.hermitian () * chol_mat;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	450 a.delete_elements (1, idx_vector (j));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	451 a.delete_elements (0, idx_vector (j));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	452 init (a, false);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	453 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	454 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	455
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	456 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	457 ComplexCHOL::shift_sym (octave_idx_type i, octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	458 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	459 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	460
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	461 octave_idx_type n = chol_mat.rows ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	462
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	463 if (i < 0 \|\| i > n-1 \|\| j < 0 \|\| j > n-1)
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	464 (*current_liboctave_error_handler) ("cholshift: index out of range");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	465 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	466 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	467 ComplexMatrix a = chol_mat.hermitian () * chol_mat;
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	468 Array<octave_idx_type> p (dim_vector (n, 1));
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	469 for (octave_idx_type k = 0; k < n; k++) p(k) = k;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	470 if (i < j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	471 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	472 for (octave_idx_type k = i; k < j; k++) p(k) = k+1;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	473 p(j) = i;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	474 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	475 else if (j < i)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	476 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	477 p(j) = i;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	478 for (octave_idx_type k = j+1; k < i+1; k++) p(k) = k-1;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	479 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	480
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	481 init (a.index (idx_vector (p), idx_vector (p)), false);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	482 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	483 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	484
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	485 #endif
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	486
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	487 ComplexMatrix
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	488 chol2inv (const ComplexMatrix& r)
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	489 {
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	490 return chol2inv_internal (r);
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	491 }

Mercurial > hg > octave-nkf

annotate liboctave/numeric/CmplxCHOL.cc @ 20830:b65888ec820e draft default tip gccjit