octave: liboctave/numeric/CmplxCHOL.cc annotate

annotate liboctave/numeric/CmplxCHOL.cc @ 21202:f7121e111991

maint: indent #ifdef blocks in liboctave and src directories. * Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc, Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc, Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, CSparse.h, DiagArray2.cc, MArray-C.cc, MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc, MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MSparse.h, MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc, boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc, dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dSparse.h, dim-vector.cc, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, int16NDArray.cc, int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, intNDArray.cc, uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, quit.cc, quit.h, CmplxAEPBAL.cc, CmplxCHOL.cc, CmplxGEPBAL.cc, CmplxHESS.cc, CmplxLU.cc, CmplxQR.cc, CmplxQRP.cc, CmplxSCHUR.cc, CmplxSVD.cc, CollocWt.cc, DASPK.cc, DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, base-lu.cc, base-qr.cc, dbleAEPBAL.cc, dbleCHOL.cc, dbleGEPBAL.cc, dbleHESS.cc, dbleLU.cc, dbleQR.cc, dbleQRP.cc, dbleSCHUR.cc, dbleSVD.cc, eigs-base.cc, fCmplxAEPBAL.cc, fCmplxCHOL.cc, fCmplxGEPBAL.cc, fCmplxHESS.cc, fCmplxLU.cc, fCmplxQR.cc, fCmplxQRP.cc, fCmplxSCHUR.cc, fCmplxSVD.cc, fEIG.cc, floatAEPBAL.cc, floatCHOL.cc, floatGEPBAL.cc, floatHESS.cc, floatLU.cc, floatQR.cc, floatQRP.cc, floatSCHUR.cc, floatSVD.cc, lo-mappers.cc, lo-specfun.cc, oct-convn.cc, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-rand.cc, oct-spparms.cc, randgamma.c, randmtzig.c, randpoisson.c, sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, mx-defs.h, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc, oct-group.cc, oct-openmp.h, oct-passwd.cc, oct-syscalls.cc, oct-time.cc, oct-uname.cc, pathlen.h, sysdir.h, syswait.h, cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c, glob-match.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c, lo-cutils.h, lo-ieee.cc, lo-math.h, lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc, oct-inttypes.h, oct-locbuf.cc, oct-mutex.cc, oct-refcount.h, oct-rl-edit.c, oct-rl-hist.c, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc, sparse-util.cc, statdefs.h, str-vec.cc, unwind-prot.cc, url-transfer.cc, display-available.h, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-config.in.cc, shared-fcns.h: indent #ifdef blocks in liboctave and src directories.

author	Rik <rik@octave.org>
date	Sat, 06 Feb 2016 06:40:13 -0800
parents	a223cce1daa4
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
19697 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
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21174 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
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21174 diff changeset	38 # include "dbleQR.h"
8562 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
20462 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20232 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)
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	95 (*current_liboctave_error_handler) ("ComplexCHOL requires square matrix");
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	96
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	97 octave_idx_type n = a_nc;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	98 octave_idx_type info;
1944 8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	99
20462 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20232 diff changeset	100 is_upper = upper;
5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20232 diff changeset	101
9862 c0aeedd8fb86 improve chol Matlab compatibility Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	102 chol_mat.clear (n, n);
20462 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20232 diff changeset	103 if (is_upper)
20628 48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	104 for (octave_idx_type j = 0; j < n; j++)
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	105 {
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	106 for (octave_idx_type i = 0; i <= j; i++)
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	107 chol_mat.xelem (i, j) = a(i, j);
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	108 for (octave_idx_type i = j+1; i < n; i++)
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	109 chol_mat.xelem (i, j) = 0.0;
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	110 }
20462 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20232 diff changeset	111 else
20628 48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	112 for (octave_idx_type j = 0; j < n; j++)
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	113 {
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	114 for (octave_idx_type i = 0; i < j; i++)
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	115 chol_mat.xelem (i, j) = 0.0;
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	116 for (octave_idx_type i = j; i < n; i++)
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	117 chol_mat.xelem (i, j) = a(i, j);
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	118 }
1944 8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	119 Complex *h = chol_mat.fortran_vec ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	120
6486 e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe] jwe parents: 5340 diff changeset	121 // Calculate the norm of the matrix, for later use.
e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe] jwe parents: 5340 diff changeset	122 double anorm = 0;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	123 if (calc_cond)
9862 c0aeedd8fb86 improve chol Matlab compatibility Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	124 anorm = xnorm (a, 1);
6486 e978a9233cf6 [project @ 2007-04-04 15:16:46 by jwe] jwe parents: 5340 diff changeset	125
20462 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20232 diff changeset	126 if (is_upper)
20628 48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	127 F77_XFCN (zpotrf, ZPOTRF, (F77_CONST_CHAR_ARG2 ("U", 1), n, h, n, info
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	128 F77_CHAR_ARG_LEN (1)));
20462 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20232 diff changeset	129 else
20628 48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	130 F77_XFCN (zpotrf, ZPOTRF, (F77_CONST_CHAR_ARG2 ("L", 1), n, h, n, info
48fedd8fbff7 maint: Apply Octave coding style to Cholesky classes Mike Miller <mtmiller@octave.org> parents: 20531 diff changeset	131 F77_CHAR_ARG_LEN (1)));
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	132
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	133 xrcond = 0.0;
9862 c0aeedd8fb86 improve chol Matlab compatibility Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	134 if (info > 0)
c0aeedd8fb86 improve chol Matlab compatibility Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	135 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	136 else if (calc_cond)
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	137 {
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	138 octave_idx_type zpocon_info = 0;
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	139
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	140 // 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	141 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	142 Complex *pz = z.fortran_vec ();
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	143 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	144 double *prz = rz.fortran_vec ();
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	145 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	146 n, anorm, xrcond, pz, prz, zpocon_info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	147 F77_CHAR_ARG_LEN (1)));
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	148
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	149 if (zpocon_info != 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	150 info = -1;
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	151 }
1944 8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	152
8cb4d3008c76 [project @ 1996-02-14 00:45:04 by jwe] jwe parents: 1882 diff changeset	153 return info;
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	154 }
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	155
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	156 static ComplexMatrix
20462 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20232 diff changeset	157 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	158 {
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	159 ComplexMatrix retval;
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	160
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	161 octave_idx_type r_nr = r.rows ();
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	162 octave_idx_type r_nc = r.cols ();
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	163
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	164 if (r_nr != r_nc)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	165 (*current_liboctave_error_handler) ("chol2inv requires square matrix");
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	166
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	167 octave_idx_type n = r_nc;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	168 octave_idx_type info;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	169
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	170 ComplexMatrix tmp = r;
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	171
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	172 if (is_upper)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	173 F77_XFCN (zpotri, ZPOTRI, (F77_CONST_CHAR_ARG2 ("U", 1), n,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	174 tmp.fortran_vec (), n, info
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	175 F77_CHAR_ARG_LEN (1)));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	176 else
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	177 F77_XFCN (zpotri, ZPOTRI, (F77_CONST_CHAR_ARG2 ("L", 1), n,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	178 tmp.fortran_vec (), n, info
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	179 F77_CHAR_ARG_LEN (1)));
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	180
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	181 // If someone thinks of a more graceful way of doing this (or
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	182 // faster for that matter :-)), please let me know!
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	183
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	184 if (n > 1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	185 {
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	186 if (is_upper)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	187 for (octave_idx_type j = 0; j < r_nc; j++)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	188 for (octave_idx_type i = j+1; i < r_nr; i++)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	189 tmp.xelem (i, j) = tmp.xelem (j, i);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	190 else
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	191 for (octave_idx_type j = 0; j < r_nc; j++)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	192 for (octave_idx_type i = j+1; i < r_nr; i++)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	193 tmp.xelem (j, i) = tmp.xelem (i, j);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	194 }
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	195
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	196 retval = tmp;
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	197
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	198 return retval;
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	199 }
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	200
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	201 // 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	202 ComplexMatrix
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	203 ComplexCHOL::inverse (void) const
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	204 {
20462 5ce959c55cc0 Propagate 'lower' in chol(a, 'lower') to underlying library function. PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> parents: 20232 diff changeset	205 return chol2inv_internal (chol_mat, is_upper);
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	206 }
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	207
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	208 void
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	209 ComplexCHOL::set (const ComplexMatrix& R)
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	210 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	211 if (R.is_square ())
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	212 chol_mat = R;
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	213 else
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	214 (*current_liboctave_error_handler) ("CHOL requires square matrix");
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	215 }
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	216
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	217 #ifdef HAVE_QRUPDATE
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	218
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	219 void
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	220 ComplexCHOL::update (const ComplexColumnVector& u)
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	221 {
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	222 octave_idx_type n = chol_mat.rows ();
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	223
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	224 if (u.numel () != n)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	225 (*current_liboctave_error_handler) ("cholupdate: dimension mismatch");
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	226
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	227 ComplexColumnVector utmp = u;
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	228
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	229 OCTAVE_LOCAL_BUFFER (double, rw, n);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	230
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	231 F77_XFCN (zch1up, ZCH1UP, (n, chol_mat.fortran_vec (), chol_mat.rows (),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	232 utmp.fortran_vec (), rw));
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	233 }
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	234
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	235 octave_idx_type
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	236 ComplexCHOL::downdate (const ComplexColumnVector& u)
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	237 {
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	238 octave_idx_type info = -1;
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 octave_idx_type n = chol_mat.rows ();
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	241
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	242 if (u.numel () != n)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	243 (*current_liboctave_error_handler) ("cholupdate: dimension mismatch");
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	244
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	245 ComplexColumnVector utmp = u;
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	246
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	247 OCTAVE_LOCAL_BUFFER (double, rw, n);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	248
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	249 F77_XFCN (zch1dn, ZCH1DN, (n, chol_mat.fortran_vec (), chol_mat.rows (),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	250 utmp.fortran_vec (), rw, info));
7554 40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	251
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	252 return info;
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	253 }
40574114c514 implement Cholesky factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	254
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	255 octave_idx_type
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	256 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	257 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	258 octave_idx_type info = -1;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	259
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	260 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	261
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 19697 diff changeset	262 if (u.numel () != n + 1)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	263 (*current_liboctave_error_handler) ("cholinsert: dimension mismatch");
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	264 if (j < 0 \|\| j > n)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	265 (*current_liboctave_error_handler) ("cholinsert: index out of range");
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	266
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	267 ComplexColumnVector utmp = u;
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	268
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	269 OCTAVE_LOCAL_BUFFER (double, rw, n);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	270
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	271 chol_mat.resize (n+1, n+1);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	272
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	273 F77_XFCN (zchinx, ZCHINX, (n, chol_mat.fortran_vec (), chol_mat.rows (),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	274 j + 1, utmp.fortran_vec (), rw, info));
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	275
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	276 return info;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	277 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	278
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	279 void
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	280 ComplexCHOL::delete_sym (octave_idx_type j)
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	281 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	282 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	283
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	284 if (j < 0 \|\| j > n-1)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	285 (*current_liboctave_error_handler) ("choldelete: index out of range");
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	286
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	287 OCTAVE_LOCAL_BUFFER (double, rw, n);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	288
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	289 F77_XFCN (zchdex, ZCHDEX, (n, chol_mat.fortran_vec (), chol_mat.rows (),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	290 j + 1, rw));
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	291
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	292 chol_mat.resize (n-1, n-1);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	293 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	294
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	295 void
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	296 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	297 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	298 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	299
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	300 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	301 (*current_liboctave_error_handler) ("cholshift: index out of range");
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	302
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	303 OCTAVE_LOCAL_BUFFER (Complex, w, n);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	304 OCTAVE_LOCAL_BUFFER (double, rw, n);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	305
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	306 F77_XFCN (zchshx, ZCHSHX, (n, chol_mat.fortran_vec (), chol_mat.rows (),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	307 i + 1, j + 1, w, rw));
7700 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
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	310 #else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	311
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	312 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	313 ComplexCHOL::update (const ComplexColumnVector& u)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	314 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	315 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	316
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	317 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	318
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	319 if (u.numel () != n)
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	320 (*current_liboctave_error_handler) ("cholupdate: dimension mismatch");
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	321
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	322 init (chol_mat.hermitian () * chol_mat
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	323 + ComplexMatrix (u) * ComplexMatrix (u).hermitian (), true, false);
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	324 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	325
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	326 static bool
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	327 singular (const ComplexMatrix& a)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	328 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	329 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	330 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	331 return false;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	332 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	333
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	334 octave_idx_type
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	335 ComplexCHOL::downdate (const ComplexColumnVector& u)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	336 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	337 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	338
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	339 octave_idx_type info = -1;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	340
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	341 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	342
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	343 if (u.numel () != n)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	344 (*current_liboctave_error_handler) ("cholupdate: dimension mismatch");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	345
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	346 if (singular (chol_mat))
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	347 info = 2;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	348 else
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	349 {
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	350 info = init (chol_mat.hermitian () * chol_mat
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	351 - ComplexMatrix (u) * ComplexMatrix (u).hermitian (),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	352 true, false);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	353 if (info) info = 1;
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	354 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	355
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	356 return info;
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
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	359 octave_idx_type
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	360 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	361 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	362 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	363
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	364 octave_idx_type info = -1;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	365
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	366 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	367
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 19697 diff changeset	368 if (u.numel () != n + 1)
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	369 (*current_liboctave_error_handler) ("cholinsert: dimension mismatch");
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	370 if (j < 0 \|\| j > n)
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	371 (*current_liboctave_error_handler) ("cholinsert: index out of range");
21174 a223cce1daa4 strip trailing space from source files we maintain John W. Eaton <jwe@octave.org> parents: 21136 diff changeset	372
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	373 if (singular (chol_mat))
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	374 info = 2;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	375 else if (u(j).imag () != 0.0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	376 info = 3;
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	377 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	378 {
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	379 ComplexMatrix a = chol_mat.hermitian () * chol_mat;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	380 ComplexMatrix a1 (n+1, n+1);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	381 for (octave_idx_type k = 0; k < n+1; k++)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	382 for (octave_idx_type l = 0; l < n+1; l++)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	383 {
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	384 if (l == j)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	385 a1(k, l) = u(k);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	386 else if (k == j)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	387 a1(k, l) = std::conj (u(l));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	388 else
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	389 a1(k, l) = a(k < j ? k : k-1, l < j ? l : l-1);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	390 }
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	391 info = init (a1, true, false);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	392 if (info) info = 1;
8562 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
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	395 return info;
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
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	398 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	399 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	400 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	401 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	402
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	403 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	404
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	405 if (j < 0 \|\| j > n-1)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	406 (*current_liboctave_error_handler) ("choldelete: index out of range");
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	407
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	408 ComplexMatrix a = chol_mat.hermitian () * chol_mat;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	409 a.delete_elements (1, idx_vector (j));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	410 a.delete_elements (0, idx_vector (j));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	411 init (a, true, false);
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	412 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	413
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	414 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	415 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	416 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	417 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	418
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	419 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	420
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	421 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	422 (*current_liboctave_error_handler) ("cholshift: index out of range");
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	423
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	424 ComplexMatrix a = chol_mat.hermitian () * chol_mat;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	425 Array<octave_idx_type> p (dim_vector (n, 1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	426 for (octave_idx_type k = 0; k < n; k++) p(k) = k;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	427 if (i < j)
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	428 {
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	429 for (octave_idx_type k = i; k < j; k++) p(k) = k+1;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	430 p(j) = i;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	431 }
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	432 else if (j < i)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	433 {
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	434 p(j) = i;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	435 for (octave_idx_type k = j+1; k < i+1; k++) p(k) = k-1;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	436 }
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	437
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 20629 diff changeset	438 init (a.index (idx_vector (p), idx_vector (p)), true, false);
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	439 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	440
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	441 #endif
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8377 diff changeset	442
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	443 ComplexMatrix
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	444 chol2inv (const ComplexMatrix& r)
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	445 {
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	446 return chol2inv_internal (r);
15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5307 diff changeset	447 }

Mercurial > octave

annotate liboctave/numeric/CmplxCHOL.cc @ 21202:f7121e111991