octave-nkf: liboctave/base-lu.cc annotate

annotate liboctave/base-lu.cc @ 14846:460a3c6d8bf1

maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Example: func() => func () * dynamic.txi, func.txi, oop.txi, var.txi, embedded.cc, fortdemo.cc, funcdemo.cc, paramdemo.cc, stringdemo.cc, unwinddemo.cc, Array.cc, Array.h, CColVector.cc, CDiagMatrix.h, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, CmplxGEPBAL.cc, EIG.cc, MSparse.cc, MatrixType.cc, Sparse-op-defs.h, Sparse-perm-op-defs.h, Sparse.cc, Sparse.h, SparseCmplxCHOL.cc, SparseCmplxCHOL.h, SparseCmplxLU.cc, SparseCmplxQR.cc, SparseCmplxQR.h, SparseQR.cc, SparseQR.h, SparsedbleCHOL.cc, SparsedbleCHOL.h, SparsedbleLU.cc, SparsedbleLU.h, base-lu.cc, cmd-hist.cc, dColVector.cc, dDiagMatrix.h, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dbleCHOL.cc, dbleGEPBAL.cc, dim-vector.cc, eigs-base.cc, f2c-main.c, fCColVector.cc, fCDiagMatrix.h, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fCmplxGEPBAL.cc, fColVector.cc, fDiagMatrix.h, fEIG.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, file-ops.cc, file-stat.cc, floatCHOL.cc, floatGEPBAL.cc, idx-vector.h, lo-specfun.cc, lo-sysdep.cc, mx-inlines.cc, oct-binmap.h, oct-convn.cc, oct-md5.cc, oct-mem.h, oct-rand.cc, oct-syscalls.cc, randgamma.c, randmtzig.c, sparse-base-chol.cc, sparse-base-chol.h, sparse-base-lu.cc, sparse-dmsolve.cc, tempname.c, curl.m, divergence.m, randi.m, dlmwrite.m, edit.m, getappdata.m, what.m, getarchdir.m, install.m, installed_packages.m, repackage.m, unload_packages.m, colorbar.m, figure.m, isosurface.m, legend.m, loglog.m, plot.m, plot3.m, plotyy.m, polar.m, __errplot__.m, __ghostscript__.m, __marching_cube__.m, __plt__.m, __scatter__.m, semilogx.m, semilogy.m, trimesh.m, trisurf.m, demo.m, test.m, datetick.m, __delaunayn__.cc, __dsearchn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, balance.cc, bsxfun.cc, ccolamd.cc, cellfun.cc, chol.cc, daspk.cc, dasrt.cc, dassl.cc, dmperm.cc, eig.cc, eigs.cc, fftw.cc, filter.cc, find.cc, kron.cc, lookup.cc, lsode.cc, matrix_type.cc, md5sum.cc, mgorth.cc, qr.cc, quad.cc, rand.cc, regexp.cc, symbfact.cc, tril.cc, urlwrite.cc, op-bm-bm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-cm-cm.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fdm-fdm.cc, op-fm-fm.cc, op-int.h, op-m-m.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-range.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-str.cc, op-struct.cc, bitfcns.cc, data.cc, debug.cc, dynamic-ld.cc, error.cc, gl-render.cc, graphics.cc, graphics.in.h, load-path.cc, ls-hdf5.cc, ls-mat5.cc, ls-mat5.h, ls-oct-ascii.cc, ls-oct-ascii.h, mex.cc, mk-errno-list, oct-map.cc, oct-obj.h, oct-parse.yy, octave-config.in.cc, ov-base-int.cc, ov-base-mat.cc, ov-base.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-cell.cc, ov-class.cc, ov-class.h, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-intx.h, ov-range.h, ov-re-mat.cc, ov-re-sparse.cc, ov-str-mat.cc, ov-struct.cc, ov-usr-fcn.h, ov.h, pr-output.cc, pt-id.cc, pt-id.h, pt-mat.cc, pt-select.cc, sparse.cc, symtab.cc, symtab.h, syscalls.cc, toplev.cc, txt-eng-ft.cc, variables.cc, zfstream.cc, zfstream.h, Dork.m, getStash.m, myStash.m, Gork.m, Pork.m, myStash.m, getStash.m, myStash.m, getStash.m, myStash.m, fntests.m: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.

author	Rik <octave@nomad.inbox5.com>
date	Sun, 08 Jul 2012 11:28:50 -0700
parents	72c96de7a403
children

rev	line source
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	1 /*
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	2
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 13217 diff changeset	3 Copyright (C) 1996-2012 John W. Eaton
10521 4d1fc073fbb7 add some missing copyright stmts Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4 Copyright (C) 2009 VZLU Prague
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	5
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	7
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	11 option) any later version.
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	12
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	16 for more details.
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	17
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	20 <http://www.gnu.org/licenses/>.
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	21
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	22 */
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	23
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	24 #ifdef HAVE_CONFIG_H
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	25 #include <config.h>
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	26 #endif
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	27
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	28 #include "base-lu.h"
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	29
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	30 template <class lu_type>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	31 base_lu<lu_type>::base_lu (const lu_type& l, const lu_type& u,
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	32 const PermMatrix& p)
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	33 : a_fact (u), l_fact (l), ipvt (p.pvec ())
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	34 {
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	35 if (l.columns () != u.rows ())
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	36 (*current_liboctave_error_handler) ("lu: dimension mismatch");
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	37 }
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	38
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	39 template <class lu_type>
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	40 bool
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	41 base_lu <lu_type> :: packed (void) const
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	42 {
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	43 return l_fact.dims () == dim_vector ();
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	44 }
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	45
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	46 template <class lu_type>
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	47 void
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	48 base_lu <lu_type> :: unpack (void)
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	49 {
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	50 if (packed ())
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	51 {
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	52 l_fact = L ();
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	53 a_fact = U (); // FIXME: sub-optimal
9697 51c17bd18563 omission in base-lu::unpack Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	54 ipvt = getp ();
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	55 }
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	56 }
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	57
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	58 template <class lu_type>
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	59 lu_type
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	60 base_lu <lu_type> :: L (void) const
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	61 {
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	62 if (packed ())
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	63 {
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	64 octave_idx_type a_nr = a_fact.rows ();
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	65 octave_idx_type a_nc = a_fact.cols ();
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	66 octave_idx_type mn = (a_nr < a_nc ? a_nr : a_nc);
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	67
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	68 lu_type l (a_nr, mn, lu_elt_type (0.0));
4811 198f3712c692 [project @ 2004-03-03 19:24:33 by jwe] jwe parents: 4329 diff changeset	69
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	70 for (octave_idx_type i = 0; i < a_nr; i++)
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	71 {
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	72 if (i < a_nc)
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	73 l.xelem (i, i) = 1.0;
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	74
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	75 for (octave_idx_type j = 0; j < (i < a_nc ? i : a_nc); j++)
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	76 l.xelem (i, j) = a_fact.xelem (i, j);
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	77 }
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	78
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	79 return l;
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	80 }
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	81 else
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	82 return l_fact;
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	83 }
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	84
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	85 template <class lu_type>
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	86 lu_type
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	87 base_lu <lu_type> :: U (void) const
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	88 {
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	89 if (packed ())
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	90 {
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	91 octave_idx_type a_nr = a_fact.rows ();
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	92 octave_idx_type a_nc = a_fact.cols ();
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	93 octave_idx_type mn = (a_nr < a_nc ? a_nr : a_nc);
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	94
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	95 lu_type u (mn, a_nc, lu_elt_type (0.0));
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	96
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	97 for (octave_idx_type i = 0; i < mn; i++)
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	98 {
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	99 for (octave_idx_type j = i; j < a_nc; j++)
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	100 u.xelem (i, j) = a_fact.xelem (i, j);
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	101 }
4329 d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4192 diff changeset	102
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	103 return u;
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	104 }
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	105 else
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	106 return a_fact;
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	107 }
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	108
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	109 template <class lu_type>
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	110 lu_type
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	111 base_lu <lu_type> :: Y (void) const
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	112 {
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	113 if (! packed ())
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	114 (*current_liboctave_error_handler) ("lu: Y () not implemented for unpacked form");
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	115 return a_fact;
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	116 }
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	117
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	118 template <class lu_type>
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	119 Array<octave_idx_type>
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	120 base_lu <lu_type> :: getp (void) const
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	121 {
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	122 if (packed ())
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	123 {
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	124 octave_idx_type a_nr = a_fact.rows ();
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	125
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	126 Array<octave_idx_type> pvt (dim_vector (a_nr, 1));
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	127
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	128 for (octave_idx_type i = 0; i < a_nr; i++)
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	129 pvt.xelem (i) = i;
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	130
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	131 for (octave_idx_type i = 0; i < ipvt.length (); i++)
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	132 {
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	133 octave_idx_type k = ipvt.xelem (i);
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	134
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	135 if (k != i)
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	136 {
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	137 octave_idx_type tmp = pvt.xelem (k);
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	138 pvt.xelem (k) = pvt.xelem (i);
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	139 pvt.xelem (i) = tmp;
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	140 }
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	141 }
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	142
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	143 return pvt;
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	144 }
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	145 else
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	146 return ipvt;
1991 413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	147 }
413f6a81868f [project @ 1996-03-03 00:40:53 by jwe] jwe parents: diff changeset	148
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	149 template <class lu_type>
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	150 PermMatrix
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	151 base_lu <lu_type> :: P (void) const
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	152 {
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	153 return PermMatrix (getp (), false);
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	154 }
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	155
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	156 template <class lu_type>
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	157 ColumnVector
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	158 base_lu <lu_type> :: P_vec (void) const
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	159 {
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	160 octave_idx_type a_nr = a_fact.rows ();
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	161
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	162 ColumnVector p (a_nr);
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	163
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7515 diff changeset	164 Array<octave_idx_type> pvt = getp ();
7515 f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	165
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	166 for (octave_idx_type i = 0; i < a_nr; i++)
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	167 p.xelem (i) = static_cast<double> (pvt.xelem (i) + 1);
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	168
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	169 return p;
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	170 }
f3c00dc0912b Eliminate the rest of the dispatched sparse functions David Bateman <dbateman@free.fr> parents: 7017 diff changeset	171
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9697 diff changeset	172 template <class lu_type>
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9697 diff changeset	173 bool
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9697 diff changeset	174 base_lu<lu_type>::regular (void) const
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9697 diff changeset	175 {
13217 08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	176 bool retval = true;
08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	177
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9697 diff changeset	178 octave_idx_type k = std::min (a_fact.rows (), a_fact.columns ());
13217 08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	179
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9697 diff changeset	180 for (octave_idx_type i = 0; i < k; i++)
13217 08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	181 {
08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	182 if (a_fact(i, i) == lu_elt_type ())
08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	183 {
08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	184 retval = false;
08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	185 break;
08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	186 }
08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	187 }
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9697 diff changeset	188
13217 08ba694723f5 fix warnings for unused but set variables John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	189 return retval;
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9697 diff changeset	190 }

Mercurial > octave-nkf

annotate liboctave/base-lu.cc @ 14846:460a3c6d8bf1