annotate liboctave/numeric/qrp.cc @ 31605:e88a07dec498 stable

maint: Use macros to begin/end C++ namespaces. * oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE, OCTAVE_END_NAMESPACE) that can be used to start/end a namespace. * mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc, __dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc, __ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc, auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc, display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc, ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h, event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, graphics.in.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc, help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h, inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc, latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h, mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy, ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc, pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h, sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h, stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h, __delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc, audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh, mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc, cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h, cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h, cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h, ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc, ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, octave.cc, octave.h, mk-ops.sh, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-mi.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.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-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, ops.h, anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc, oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h, pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h, pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h, range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc, chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h, oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h, oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc, randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h, oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h, base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h, file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc, lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h, oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h, oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h, pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.
author Rik <rik@octave.org>
date Thu, 01 Dec 2022 14:23:45 -0800
parents 796f54d4ddbf
children aac27ad79be6
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rev   line source
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1994-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include <cassert>
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31
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32 #include <algorithm>
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33
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34 #include "Array.h"
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35 #include "CMatrix.h"
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36 #include "MArray.h"
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37 #include "dMatrix.h"
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38 #include "dRowVector.h"
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39 #include "fCMatrix.h"
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40 #include "fMatrix.h"
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41 #include "fRowVector.h"
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42 #include "lo-lapack-proto.h"
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43 #include "oct-locbuf.h"
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44 #include "qrp.h"
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45
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46 OCTAVE_BEGIN_NAMESPACE(octave)
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47
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48 OCTAVE_BEGIN_NAMESPACE(math)
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49
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50 // Specialization.
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51
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52 template <>
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53 OCTAVE_API
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54 void
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55 qrp<Matrix>::init (const Matrix& a, type qr_type)
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56 {
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57 assert (qr_type != qr<Matrix>::raw);
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58
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59 F77_INT m = to_f77_int (a.rows ());
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60 F77_INT n = to_f77_int (a.cols ());
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61
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62 F77_INT min_mn = (m < n ? m : n);
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63 OCTAVE_LOCAL_BUFFER (double, tau, min_mn);
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64
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65 F77_INT info = 0;
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66
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67 Matrix afact = a;
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68 if (m > n && qr_type == qr<Matrix>::std)
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69 afact.resize (m, m);
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70
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71 MArray<F77_INT> jpvt (dim_vector (n, 1), 0);
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72
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73 if (m > 0)
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diff changeset
74 {
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diff changeset
75 // workspace query.
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diff changeset
76 double rlwork;
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diff changeset
77 F77_XFCN (dgeqp3, DGEQP3, (m, n, afact.fortran_vec (),
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diff changeset
78 m, jpvt.fortran_vec (), tau,
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diff changeset
79 &rlwork, -1, info));
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diff changeset
80
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
81 // allocate buffer and do the job.
22951
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diff changeset
82 F77_INT lwork = static_cast<F77_INT> (rlwork);
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diff changeset
83 lwork = std::max (lwork, static_cast<F77_INT> (1));
22329
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diff changeset
84 OCTAVE_LOCAL_BUFFER (double, work, lwork);
22951
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diff changeset
85
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diff changeset
86 F77_XFCN (dgeqp3, DGEQP3, (m, n, afact.fortran_vec (),
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87 m, jpvt.fortran_vec (), tau,
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diff changeset
88 work, lwork, info));
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diff changeset
89 }
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diff changeset
90 else
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diff changeset
91 {
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diff changeset
92 for (F77_INT i = 0; i < n; i++)
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diff changeset
93 jpvt(i) = i+1;
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94 }
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95
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96 // Form Permutation matrix (if economy is requested, return the
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97 // indices only!)
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98
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99 jpvt -= static_cast<F77_INT> (1);
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100 m_p = PermMatrix (jpvt, true);
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101
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102 form (n, afact, tau, qr_type);
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103 }
1922
8a57554f3142 [project @ 1996-02-11 02:53:20 by jwe]
jwe
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104
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105 template <>
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diff changeset
106 OCTAVE_API
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diff changeset
107 qrp<Matrix>::qrp (const Matrix& a, type qr_type)
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108 : qr<Matrix> (), m_p ()
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109 {
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110 init (a, qr_type);
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111 }
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112
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113 template <>
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114 OCTAVE_API
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115 RowVector
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diff changeset
116 qrp<Matrix>::Pvec (void) const
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117 {
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118 Array<double> pa (m_p.col_perm_vec ());
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119 RowVector pv (MArray<double> (pa) + 1.0);
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120 return pv;
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121 }
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122
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123 template <>
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diff changeset
124 OCTAVE_API
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125 void
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126 qrp<FloatMatrix>::init (const FloatMatrix& a, type qr_type)
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127 {
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128 assert (qr_type != qr<FloatMatrix>::raw);
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129
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130 F77_INT m = to_f77_int (a.rows ());
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131 F77_INT n = to_f77_int (a.cols ());
22329
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132
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
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133 F77_INT min_mn = (m < n ? m : n);
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134 OCTAVE_LOCAL_BUFFER (float, tau, min_mn);
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diff changeset
135
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diff changeset
136 F77_INT info = 0;
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diff changeset
137
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diff changeset
138 FloatMatrix afact = a;
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diff changeset
139 if (m > n && qr_type == qr<FloatMatrix>::std)
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diff changeset
140 afact.resize (m, m);
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diff changeset
141
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diff changeset
142 MArray<F77_INT> jpvt (dim_vector (n, 1), 0);
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diff changeset
143
22329
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diff changeset
144 if (m > 0)
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145 {
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146 // workspace query.
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diff changeset
147 float rlwork;
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148 F77_XFCN (sgeqp3, SGEQP3, (m, n, afact.fortran_vec (),
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diff changeset
149 m, jpvt.fortran_vec (), tau,
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diff changeset
150 &rlwork, -1, info));
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diff changeset
151
22329
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152 // allocate buffer and do the job.
22951
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153 F77_INT lwork = static_cast<F77_INT> (rlwork);
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154 lwork = std::max (lwork, static_cast<F77_INT> (1));
22329
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diff changeset
155 OCTAVE_LOCAL_BUFFER (float, work, lwork);
22951
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diff changeset
156
22329
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diff changeset
157 F77_XFCN (sgeqp3, SGEQP3, (m, n, afact.fortran_vec (),
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diff changeset
158 m, jpvt.fortran_vec (), tau,
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diff changeset
159 work, lwork, info));
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diff changeset
160 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
161 else
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diff changeset
162 {
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diff changeset
163 for (F77_INT i = 0; i < n; i++)
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164 jpvt(i) = i+1;
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165 }
21280
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166
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167 // Form Permutation matrix (if economy is requested, return the
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diff changeset
168 // indices only!)
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diff changeset
169
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diff changeset
170 jpvt -= static_cast<F77_INT> (1);
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diff changeset
171 m_p = PermMatrix (jpvt, true);
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diff changeset
172
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diff changeset
173 form (n, afact, tau, qr_type);
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diff changeset
174 }
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175
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176 template <>
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diff changeset
177 OCTAVE_API
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diff changeset
178 qrp<FloatMatrix>::qrp (const FloatMatrix& a, type qr_type)
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179 : qr<FloatMatrix> (), m_p ()
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diff changeset
180 {
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181 init (a, qr_type);
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diff changeset
182 }
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diff changeset
183
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184 template <>
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185 OCTAVE_API
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186 FloatRowVector
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187 qrp<FloatMatrix>::Pvec (void) const
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diff changeset
188 {
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diff changeset
189 Array<float> pa (m_p.col_perm_vec ());
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diff changeset
190 FloatRowVector pv (MArray<float> (pa) + 1.0f);
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diff changeset
191 return pv;
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diff changeset
192 }
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193
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194 template <>
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diff changeset
195 OCTAVE_API
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diff changeset
196 void
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diff changeset
197 qrp<ComplexMatrix>::init (const ComplexMatrix& a, type qr_type)
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diff changeset
198 {
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diff changeset
199 assert (qr_type != qr<ComplexMatrix>::raw);
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200
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201 F77_INT m = to_f77_int (a.rows ());
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202 F77_INT n = to_f77_int (a.cols ());
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203
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204 F77_INT min_mn = (m < n ? m : n);
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205 OCTAVE_LOCAL_BUFFER (Complex, tau, min_mn);
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206
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207 F77_INT info = 0;
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208
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209 ComplexMatrix afact = a;
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210 if (m > n && qr_type == qr<ComplexMatrix>::std)
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211 afact.resize (m, m);
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212
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213 MArray<F77_INT> jpvt (dim_vector (n, 1), 0);
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214
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215 if (m > 0)
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216 {
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217 OCTAVE_LOCAL_BUFFER (double, rwork, 2*n);
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218
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219 // workspace query.
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220 Complex clwork;
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221 F77_XFCN (zgeqp3, ZGEQP3, (m, n,
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222 F77_DBLE_CMPLX_ARG (afact.fortran_vec ()),
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223 m, jpvt.fortran_vec (),
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224 F77_DBLE_CMPLX_ARG (tau),
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225 F77_DBLE_CMPLX_ARG (&clwork),
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226 -1, rwork, info));
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227
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228 // allocate buffer and do the job.
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229 F77_INT lwork = static_cast<F77_INT> (clwork.real ());
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230 lwork = std::max (lwork, static_cast<F77_INT> (1));
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231 OCTAVE_LOCAL_BUFFER (Complex, work, lwork);
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232
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233 F77_XFCN (zgeqp3, ZGEQP3, (m, n,
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234 F77_DBLE_CMPLX_ARG (afact.fortran_vec ()),
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235 m, jpvt.fortran_vec (),
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236 F77_DBLE_CMPLX_ARG (tau),
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237 F77_DBLE_CMPLX_ARG (work),
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238 lwork, rwork, info));
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239 }
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240 else
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241 {
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242 for (F77_INT i = 0; i < n; i++)
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243 jpvt(i) = i+1;
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244 }
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245
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246 // Form Permutation matrix (if economy is requested, return the
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247 // indices only!)
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248
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249 jpvt -= static_cast<F77_INT> (1);
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250 m_p = PermMatrix (jpvt, true);
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251
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252 form (n, afact, tau, qr_type);
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253 }
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254
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255 template <>
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256 OCTAVE_API
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257 qrp<ComplexMatrix>::qrp (const ComplexMatrix& a, type qr_type)
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258 : qr<ComplexMatrix> (), m_p ()
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259 {
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260 init (a, qr_type);
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261 }
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262
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263 template <>
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264 OCTAVE_API
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265 RowVector
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266 qrp<ComplexMatrix>::Pvec (void) const
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267 {
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268 Array<double> pa (m_p.col_perm_vec ());
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269 RowVector pv (MArray<double> (pa) + 1.0);
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270 return pv;
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271 }
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272
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273 template <>
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274 OCTAVE_API
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diff changeset
275 void
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276 qrp<FloatComplexMatrix>::init (const FloatComplexMatrix& a, type qr_type)
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277 {
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278 assert (qr_type != qr<FloatComplexMatrix>::raw);
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279
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280 F77_INT m = to_f77_int (a.rows ());
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281 F77_INT n = to_f77_int (a.cols ());
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282
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283 F77_INT min_mn = (m < n ? m : n);
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284 OCTAVE_LOCAL_BUFFER (FloatComplex, tau, min_mn);
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285
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286 F77_INT info = 0;
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287
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288 FloatComplexMatrix afact = a;
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289 if (m > n && qr_type == qr<FloatComplexMatrix>::std)
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290 afact.resize (m, m);
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291
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292 MArray<F77_INT> jpvt (dim_vector (n, 1), 0);
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293
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294 if (m > 0)
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295 {
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296 OCTAVE_LOCAL_BUFFER (float, rwork, 2*n);
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297
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298 // workspace query.
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299 FloatComplex clwork;
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300 F77_XFCN (cgeqp3, CGEQP3, (m, n,
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301 F77_CMPLX_ARG (afact.fortran_vec ()),
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302 m, jpvt.fortran_vec (),
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303 F77_CMPLX_ARG (tau),
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304 F77_CMPLX_ARG (&clwork),
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305 -1, rwork, info));
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306
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307 // allocate buffer and do the job.
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308 F77_INT lwork = static_cast<F77_INT> (clwork.real ());
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309 lwork = std::max (lwork, static_cast<F77_INT> (1));
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310 OCTAVE_LOCAL_BUFFER (FloatComplex, work, lwork);
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311
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312 F77_XFCN (cgeqp3, CGEQP3, (m, n,
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313 F77_CMPLX_ARG (afact.fortran_vec ()),
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diff changeset
314 m, jpvt.fortran_vec (),
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315 F77_CMPLX_ARG (tau),
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316 F77_CMPLX_ARG (work),
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317 lwork, rwork, info));
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318 }
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319 else
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320 {
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321 for (F77_INT i = 0; i < n; i++)
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diff changeset
322 jpvt(i) = i+1;
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323 }
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324
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325 // Form Permutation matrix (if economy is requested, return the
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326 // indices only!)
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327
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328 jpvt -= static_cast<F77_INT> (1);
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329 m_p = PermMatrix (jpvt, true);
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330
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331 form (n, afact, tau, qr_type);
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332 }
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333
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334 template <>
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335 OCTAVE_API
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336 qrp<FloatComplexMatrix>::qrp (const FloatComplexMatrix& a, type qr_type)
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337 : qr<FloatComplexMatrix> (), m_p ()
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338 {
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339 init (a, qr_type);
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340 }
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341
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342 template <>
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343 OCTAVE_API
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344 FloatRowVector
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345 qrp<FloatComplexMatrix>::Pvec (void) const
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346 {
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347 Array<float> pa (m_p.col_perm_vec ());
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348 FloatRowVector pv (MArray<float> (pa) + 1.0f);
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349 return pv;
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350 }
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351
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352 OCTAVE_END_NAMESPACE(math)
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353 OCTAVE_END_NAMESPACE(octave)