octave: liboctave/numeric/qrp.cc annotate

annotate liboctave/numeric/qrp.cc @ 23450:855122b993da

maint: Wrap tertiary operator in parentheses "(COND ? x : y)". * Canvas.cc, color-picker.cc, dialog.cc, marker.cc, main-window.cc, Cell.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, bsxfun.cc, call-stack.cc, cellfun.cc, data.cc, defaults.cc, det.cc, eig.cc, error.cc, file-io.cc, filter.cc, find.cc, gammainc.cc, gcd.cc, gl-render.cc, graphics.cc, graphics.in.h, help.cc, hex2num.cc, inv.cc, load-save.cc, lookup.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, lu.cc, max.cc, mex.cc, oct-hist.cc, oct-map.cc, oct-procbuf.cc, oct-stream.cc, pr-output.cc, rand.cc, regexp.cc, schur.cc, str2double.cc, strfns.cc, symtab.cc, sysdep.cc, tril.cc, variables.cc, xdiv.cc, audiodevinfo.cc, audioread.cc, colamd.cc, gzip.cc, ov-base-diag.cc, ov-base-mat.h, ov-base-scalar.h, ov-class.cc, ov-classdef.cc, ov-fcn-handle.cc, ov-range.cc, ov-range.h, ov-struct.cc, ov-usr-fcn.cc, ov.cc, octave.cc, op-class.cc, pt-eval.cc, pt-funcall.cc, pt-idx.cc, pt-jit.cc, pt-stmt.cc, version.cc, Array-util.cc, Array.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CSparse.cc, Range.cc, Sparse.cc, chNDArray.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dSparse.cc, dim-vector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, idx-vector.cc, idx-vector.h, Faddeeva.cc, DASPK.cc, DASRT.cc, DASSL.cc, EIG.cc, fEIG.cc, gsvd.cc, lo-specfun.cc, oct-rand.cc, qr.cc, qrp.cc, randgamma.cc, schur.cc, svd.cc, Sparse-diag-op-defs.h, mx-inlines.cc, oct-env.cc, cmd-edit.cc, kpse.cc, oct-inttypes.h, oct-sort.cc: Wrap tertiary operator in parentheses "(COND ? x : y)".

author	Rik <rik@octave.org>
date	Thu, 27 Apr 2017 17:33:10 -0700
parents	092078913d54
children	d691ed308237

rev	line source
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	1 /*
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	2
23219 3ac9f9ecfae5 maint: Update copyright dates. John W. Eaton <jwe@octave.org> parents: 23083 diff changeset	3 Copyright (C) 1994-2017 John W. Eatonn
10521 4d1fc073fbb7 add some missing copyright stmts Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4 Copyright (C) 2009 VZLU Prague
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	5
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	7
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	9 under the terms of the GNU General Public License as published by
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	10 the Free Software Foundation; either version 3 of the License, or
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	11 (at your option) any later version.
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	12
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	13 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	14 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	16 GNU General Public License for more details.
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	17
8e134d3b21c9 [project @ 1994-07-21 22:40:04 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/>.
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	21
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	22 */
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	23
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	24 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21280 diff changeset	25 # include "config.h"
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	26 #endif
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	27
1367 9f9131a8d706 [project @ 1995-09-06 00:07:03 by jwe] jwe parents: 1360 diff changeset	28 #include <cassert>
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	29
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	30 #include "CMatrix.h"
ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	31 #include "dMatrix.h"
ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	32 #include "dRowVector.h"
ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	33 #include "fCMatrix.h"
ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	34 #include "fMatrix.h"
ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	35 #include "fRowVector.h"
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	36 #include "lo-error.h"
22322 93b3cdd36854 move most f77 function decls to separate header files John W. Eaton <jwe@octave.org> parents: 22317 diff changeset	37 #include "lo-lapack-proto.h"
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	38 #include "oct-locbuf.h"
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	39 #include "qrp.h"
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	40
22317 6ca3acf5fad8 move some new numeric classes to namespace octave::math John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	41 namespace octave
6ca3acf5fad8 move some new numeric classes to namespace octave::math John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	42 {
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	43 namespace math
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	44 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	45 // Specialization.
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	46
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	47 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	48 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	49 qrp<Matrix>::init (const Matrix& a, type qr_type)
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	50 {
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	51 assert (qr_type != qr<Matrix>::raw);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	52
22988 cd33c785e80e put to_f77_int inside octave namespace John W. Eaton <jwe@octave.org> parents: 22951 diff changeset	53 F77_INT m = octave::to_f77_int (a.rows ());
cd33c785e80e put to_f77_int inside octave namespace John W. Eaton <jwe@octave.org> parents: 22951 diff changeset	54 F77_INT n = octave::to_f77_int (a.cols ());
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	55
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	56 F77_INT min_mn = (m < n ? m : n);
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	57 OCTAVE_LOCAL_BUFFER (double, tau, min_mn);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	58
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	59 F77_INT info = 0;
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	60
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	61 Matrix afact = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	62 if (m > n && qr_type == qr<Matrix>::std)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	63 afact.resize (m, m);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	64
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	65 MArray<F77_INT> jpvt (dim_vector (n, 1), 0);
8368 c72c1c9bccdc call blocked permuted qr factorization routines from LAPACK Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	66
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	67 if (m > 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	68 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	69 // workspace query.
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	70 double rlwork;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	71 F77_XFCN (dgeqp3, DGEQP3, (m, n, afact.fortran_vec (),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	72 m, jpvt.fortran_vec (), tau,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	73 &rlwork, -1, info));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	74
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	75 // allocate buffer and do the job.
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	76 F77_INT lwork = static_cast<F77_INT> (rlwork);
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	77 lwork = std::max (lwork, static_cast<F77_INT> (1));
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	78 OCTAVE_LOCAL_BUFFER (double, work, lwork);
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	79
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	80 F77_XFCN (dgeqp3, DGEQP3, (m, n, afact.fortran_vec (),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	81 m, jpvt.fortran_vec (), tau,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	82 work, lwork, info));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	83 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	84 else
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	85 {
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	86 for (F77_INT i = 0; i < n; i++)
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	87 jpvt(i) = i+1;
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	88 }
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	89
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	90 // Form Permutation matrix (if economy is requested, return the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	91 // indices only!)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	92
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	93 jpvt -= static_cast<F77_INT> (1);
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	94 p = PermMatrix (jpvt, true);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	95
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	96 form (n, afact, tau, qr_type);
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	97 }
1922 8a57554f3142 [project @ 1996-02-11 02:53:20 by jwe] jwe parents: 1882 diff changeset	98
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	99 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	100 qrp<Matrix>::qrp (const Matrix& a, type qr_type)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	101 : qr<Matrix> (), p ()
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	102 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	103 init (a, qr_type);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	104 }
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	105
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	106 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	107 RowVector
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	108 qrp<Matrix>::Pvec (void) const
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	109 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	110 Array<double> pa (p.col_perm_vec ());
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	111 RowVector pv (MArray<double> (pa) + 1.0);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	112 return pv;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	113 }
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	114
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	115 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	116 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	117 qrp<FloatMatrix>::init (const FloatMatrix& a, type qr_type)
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	118 {
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	119 assert (qr_type != qr<FloatMatrix>::raw);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	120
22988 cd33c785e80e put to_f77_int inside octave namespace John W. Eaton <jwe@octave.org> parents: 22951 diff changeset	121 F77_INT m = octave::to_f77_int (a.rows ());
cd33c785e80e put to_f77_int inside octave namespace John W. Eaton <jwe@octave.org> parents: 22951 diff changeset	122 F77_INT n = octave::to_f77_int (a.cols ());
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	123
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	124 F77_INT min_mn = (m < n ? m : n);
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	125 OCTAVE_LOCAL_BUFFER (float, tau, min_mn);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	126
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	127 F77_INT info = 0;
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	128
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	129 FloatMatrix afact = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	130 if (m > n && qr_type == qr<FloatMatrix>::std)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	131 afact.resize (m, m);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	132
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	133 MArray<F77_INT> jpvt (dim_vector (n, 1), 0);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	134
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	135 if (m > 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	136 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	137 // workspace query.
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	138 float rlwork;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	139 F77_XFCN (sgeqp3, SGEQP3, (m, n, afact.fortran_vec (),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	140 m, jpvt.fortran_vec (), tau,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	141 &rlwork, -1, info));
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	142
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	143 // allocate buffer and do the job.
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	144 F77_INT lwork = static_cast<F77_INT> (rlwork);
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	145 lwork = std::max (lwork, static_cast<F77_INT> (1));
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	146 OCTAVE_LOCAL_BUFFER (float, work, lwork);
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	147
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	148 F77_XFCN (sgeqp3, SGEQP3, (m, n, afact.fortran_vec (),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	149 m, jpvt.fortran_vec (), tau,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	150 work, lwork, info));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	151 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	152 else
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	153 {
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	154 for (F77_INT i = 0; i < n; i++)
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	155 jpvt(i) = i+1;
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	156 }
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	157
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	158 // Form Permutation matrix (if economy is requested, return the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	159 // indices only!)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	160
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	161 jpvt -= static_cast<F77_INT> (1);
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	162 p = PermMatrix (jpvt, true);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	163
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	164 form (n, afact, tau, qr_type);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	165 }
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	166
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	167 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	168 qrp<FloatMatrix>::qrp (const FloatMatrix& a, type qr_type)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	169 : qr<FloatMatrix> (), p ()
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	170 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	171 init (a, qr_type);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	172 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	173
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	174 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	175 FloatRowVector
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	176 qrp<FloatMatrix>::Pvec (void) const
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	177 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	178 Array<float> pa (p.col_perm_vec ());
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	179 FloatRowVector pv (MArray<float> (pa) + 1.0f);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	180 return pv;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	181 }
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	182
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	183 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	184 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	185 qrp<ComplexMatrix>::init (const ComplexMatrix& a, type qr_type)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	186 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	187 assert (qr_type != qr<ComplexMatrix>::raw);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	188
22988 cd33c785e80e put to_f77_int inside octave namespace John W. Eaton <jwe@octave.org> parents: 22951 diff changeset	189 F77_INT m = octave::to_f77_int (a.rows ());
cd33c785e80e put to_f77_int inside octave namespace John W. Eaton <jwe@octave.org> parents: 22951 diff changeset	190 F77_INT n = octave::to_f77_int (a.cols ());
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	191
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	192 F77_INT min_mn = (m < n ? m : n);
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	193 OCTAVE_LOCAL_BUFFER (Complex, tau, min_mn);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	194
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	195 F77_INT info = 0;
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	196
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	197 ComplexMatrix afact = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	198 if (m > n && qr_type == qr<ComplexMatrix>::std)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	199 afact.resize (m, m);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	200
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	201 MArray<F77_INT> jpvt (dim_vector (n, 1), 0);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	202
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	203 if (m > 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	204 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	205 OCTAVE_LOCAL_BUFFER (double, rwork, 2*n);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	206
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	207 // workspace query.
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	208 Complex clwork;
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	209 F77_XFCN (zgeqp3, ZGEQP3, (m, n,
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	210 F77_DBLE_CMPLX_ARG (afact.fortran_vec ()),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	211 m, jpvt.fortran_vec (),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	212 F77_DBLE_CMPLX_ARG (tau),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	213 F77_DBLE_CMPLX_ARG (&clwork),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	214 -1, rwork, info));
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	215
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	216 // allocate buffer and do the job.
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	217 F77_INT lwork = static_cast<F77_INT> (clwork.real ());
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	218 lwork = std::max (lwork, static_cast<F77_INT> (1));
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	219 OCTAVE_LOCAL_BUFFER (Complex, work, lwork);
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	220
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	221 F77_XFCN (zgeqp3, ZGEQP3, (m, n,
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	222 F77_DBLE_CMPLX_ARG (afact.fortran_vec ()),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	223 m, jpvt.fortran_vec (),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	224 F77_DBLE_CMPLX_ARG (tau),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	225 F77_DBLE_CMPLX_ARG (work),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	226 lwork, rwork, info));
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	227 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	228 else
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	229 {
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	230 for (F77_INT i = 0; i < n; i++)
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	231 jpvt(i) = i+1;
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	232 }
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	233
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	234 // Form Permutation matrix (if economy is requested, return the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	235 // indices only!)
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	236
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	237 jpvt -= static_cast<F77_INT> (1);
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	238 p = PermMatrix (jpvt, true);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	239
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	240 form (n, afact, tau, qr_type);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	241 }
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	242
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	243 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	244 qrp<ComplexMatrix>::qrp (const ComplexMatrix& a, type qr_type)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	245 : qr<ComplexMatrix> (), p ()
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	246 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	247 init (a, qr_type);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	248 }
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	249
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	250 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	251 RowVector
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	252 qrp<ComplexMatrix>::Pvec (void) const
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	253 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	254 Array<double> pa (p.col_perm_vec ());
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	255 RowVector pv (MArray<double> (pa) + 1.0);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	256 return pv;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	257 }
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	258
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	259 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	260 void
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	261 qrp<FloatComplexMatrix>::init (const FloatComplexMatrix& a, type qr_type)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	262 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	263 assert (qr_type != qr<FloatComplexMatrix>::raw);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	264
22988 cd33c785e80e put to_f77_int inside octave namespace John W. Eaton <jwe@octave.org> parents: 22951 diff changeset	265 F77_INT m = octave::to_f77_int (a.rows ());
cd33c785e80e put to_f77_int inside octave namespace John W. Eaton <jwe@octave.org> parents: 22951 diff changeset	266 F77_INT n = octave::to_f77_int (a.cols ());
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	267
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	268 F77_INT min_mn = (m < n ? m : n);
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	269 OCTAVE_LOCAL_BUFFER (FloatComplex, tau, min_mn);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	270
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	271 F77_INT info = 0;
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	272
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	273 FloatComplexMatrix afact = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	274 if (m > n && qr_type == qr<FloatComplexMatrix>::std)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	275 afact.resize (m, m);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	276
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	277 MArray<F77_INT> jpvt (dim_vector (n, 1), 0);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	278
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	279 if (m > 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	280 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	281 OCTAVE_LOCAL_BUFFER (float, rwork, 2*n);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	282
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	283 // workspace query.
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	284 FloatComplex clwork;
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	285 F77_XFCN (cgeqp3, CGEQP3, (m, n,
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	286 F77_CMPLX_ARG (afact.fortran_vec ()),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	287 m, jpvt.fortran_vec (),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	288 F77_CMPLX_ARG (tau),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	289 F77_CMPLX_ARG (&clwork),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	290 -1, rwork, info));
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	291
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	292 // allocate buffer and do the job.
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	293 F77_INT lwork = static_cast<F77_INT> (clwork.real ());
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	294 lwork = std::max (lwork, static_cast<F77_INT> (1));
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	295 OCTAVE_LOCAL_BUFFER (FloatComplex, work, lwork);
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	296
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	297 F77_XFCN (cgeqp3, CGEQP3, (m, n,
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	298 F77_CMPLX_ARG (afact.fortran_vec ()),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	299 m, jpvt.fortran_vec (),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	300 F77_CMPLX_ARG (tau),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	301 F77_CMPLX_ARG (work),
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	302 lwork, rwork, info));
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	303 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	304 else
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	305 {
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	306 for (F77_INT i = 0; i < n; i++)
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	307 jpvt(i) = i+1;
2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	308 }
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	309
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	310 // Form Permutation matrix (if economy is requested, return the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	311 // indices only!)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	312
22951 2e6a327e7903 use F77_INT instead of octave_idx_type for liboctave QRP functions John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	313 jpvt -= static_cast<F77_INT> (1);
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	314 p = PermMatrix (jpvt, true);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	315
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	316 form (n, afact, tau, qr_type);
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	317 }
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	318
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	319 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	320 qrp<FloatComplexMatrix>::qrp (const FloatComplexMatrix& a, type qr_type)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	321 : qr<FloatComplexMatrix> (), p ()
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	322 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	323 init (a, qr_type);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	324 }
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	325
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	326 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	327 FloatRowVector
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	328 qrp<FloatComplexMatrix>::Pvec (void) const
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	329 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	330 Array<float> pa (p.col_perm_vec ());
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	331 FloatRowVector pv (MArray<float> (pa) + 1.0f);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	332 return pv;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	333 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	334 }
21280 ebdf74c15722 better use of templates for qrp classes John W. Eaton <jwe@octave.org> parents: 21279 diff changeset	335 }

Mercurial > octave

annotate liboctave/numeric/qrp.cc @ 23450:855122b993da