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

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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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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 "Array.h"
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31 #include "CMatrix.h"
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32 #include "dMatrix.h"
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33 #include "fCMatrix.h"
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34 #include "fMatrix.h"
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35 #include "hess.h"
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36 #include "lo-error.h"
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37 #include "lo-lapack-proto.h"
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38
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39 OCTAVE_BEGIN_NAMESPACE(octave)
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40
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41 OCTAVE_BEGIN_NAMESPACE(math)
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42
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43 template <>
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44 OCTAVE_API octave_idx_type
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45 hess<Matrix>::init (const Matrix& a)
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46 {
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47 F77_INT a_nr = to_f77_int (a.rows ());
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48 F77_INT a_nc = to_f77_int (a.cols ());
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50 if (a_nr != a_nc)
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51 (*current_liboctave_error_handler) ("hess: requires square matrix");
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53 char job = 'N';
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54 char side = 'R';
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56 F77_INT n = a_nc;
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57 F77_INT lwork = 32 * n;
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58 F77_INT info;
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59 F77_INT ilo;
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60 F77_INT ihi;
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61
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62 m_hess_mat = a;
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63 double *h = m_hess_mat.fortran_vec ();
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64
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65 Array<double> scale (dim_vector (n, 1));
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66 double *pscale = scale.fortran_vec ();
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67
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68 F77_XFCN (dgebal, DGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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69 n, h, n, ilo, ihi, pscale, info
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70 F77_CHAR_ARG_LEN (1)));
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71
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72 Array<double> tau (dim_vector (n-1, 1));
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73 double *ptau = tau.fortran_vec ();
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74
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75 Array<double> work (dim_vector (lwork, 1));
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76 double *pwork = work.fortran_vec ();
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77
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78 F77_XFCN (dgehrd, DGEHRD, (n, ilo, ihi, h, n, ptau, pwork,
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79 lwork, info));
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80
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81 m_unitary_hess_mat = m_hess_mat;
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82 double *z = m_unitary_hess_mat.fortran_vec ();
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83
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84 F77_XFCN (dorghr, DORGHR, (n, ilo, ihi, z, n, ptau, pwork,
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85 lwork, info));
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86
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87 F77_XFCN (dgebak, DGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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88 F77_CONST_CHAR_ARG2 (&side, 1),
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89 n, ilo, ihi, pscale, n, z,
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90 n, info
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91 F77_CHAR_ARG_LEN (1)
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92 F77_CHAR_ARG_LEN (1)));
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93
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94 // If someone thinks of a more graceful way of doing
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95 // this (or faster for that matter :-)), please let
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96 // me know!
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97
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98 if (n > 2)
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99 for (F77_INT j = 0; j < a_nc; j++)
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100 for (F77_INT i = j+2; i < a_nr; i++)
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101 m_hess_mat.elem (i, j) = 0;
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102
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103 return info;
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104 }
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105
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106 template <>
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107 OCTAVE_API octave_idx_type
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108 hess<FloatMatrix>::init (const FloatMatrix& a)
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109 {
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110 F77_INT a_nr = to_f77_int (a.rows ());
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111 F77_INT a_nc = to_f77_int (a.cols ());
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112
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113 if (a_nr != a_nc)
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114 (*current_liboctave_error_handler) ("hess: requires square matrix");
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115
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116 char job = 'N';
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117 char side = 'R';
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118
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119 F77_INT n = a_nc;
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120 F77_INT lwork = 32 * n;
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121 F77_INT info;
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122 F77_INT ilo;
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123 F77_INT ihi;
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124
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125 m_hess_mat = a;
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126 float *h = m_hess_mat.fortran_vec ();
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127
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128 Array<float> scale (dim_vector (n, 1));
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129 float *pscale = scale.fortran_vec ();
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130
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131 F77_XFCN (sgebal, SGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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132 n, h, n, ilo, ihi, pscale, info
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133 F77_CHAR_ARG_LEN (1)));
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134
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135 Array<float> tau (dim_vector (n-1, 1));
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136 float *ptau = tau.fortran_vec ();
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137
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138 Array<float> work (dim_vector (lwork, 1));
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139 float *pwork = work.fortran_vec ();
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140
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141 F77_XFCN (sgehrd, SGEHRD, (n, ilo, ihi, h, n, ptau, pwork,
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142 lwork, info));
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143
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144 m_unitary_hess_mat = m_hess_mat;
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145 float *z = m_unitary_hess_mat.fortran_vec ();
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146
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147 F77_XFCN (sorghr, SORGHR, (n, ilo, ihi, z, n, ptau, pwork,
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148 lwork, info));
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149
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150 F77_XFCN (sgebak, SGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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151 F77_CONST_CHAR_ARG2 (&side, 1),
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152 n, ilo, ihi, pscale, n, z,
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153 n, info
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154 F77_CHAR_ARG_LEN (1)
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155 F77_CHAR_ARG_LEN (1)));
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156
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157 // If someone thinks of a more graceful way of doing
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158 // this (or faster for that matter :-)), please let
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159 // me know!
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160
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161 if (n > 2)
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162 for (F77_INT j = 0; j < a_nc; j++)
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163 for (F77_INT i = j+2; i < a_nr; i++)
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164 m_hess_mat.elem (i, j) = 0;
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165
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166 return info;
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167 }
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168
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169 template <>
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170 OCTAVE_API octave_idx_type
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171 hess<ComplexMatrix>::init (const ComplexMatrix& a)
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172 {
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173 F77_INT a_nr = to_f77_int (a.rows ());
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174 F77_INT a_nc = to_f77_int (a.cols ());
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175
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176 if (a_nr != a_nc)
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177 (*current_liboctave_error_handler) ("hess: requires square matrix");
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178
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179 char job = 'N';
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180 char side = 'R';
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181
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182 F77_INT n = a_nc;
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183 F77_INT lwork = 32 * n;
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184 F77_INT info;
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185 F77_INT ilo;
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186 F77_INT ihi;
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187
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188 m_hess_mat = a;
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189 Complex *h = m_hess_mat.fortran_vec ();
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190
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191 Array<double> scale (dim_vector (n, 1));
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192 double *pscale = scale.fortran_vec ();
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193
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194 F77_XFCN (zgebal, ZGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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diff changeset
195 n, F77_DBLE_CMPLX_ARG (h), n, ilo, ihi, pscale, info
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
196 F77_CHAR_ARG_LEN (1)));
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parents: 22323
diff changeset
197
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diff changeset
198 Array<Complex> tau (dim_vector (n-1, 1));
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diff changeset
199 Complex *ptau = tau.fortran_vec ();
21267
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diff changeset
200
22329
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diff changeset
201 Array<Complex> work (dim_vector (lwork, 1));
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diff changeset
202 Complex *pwork = work.fortran_vec ();
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diff changeset
203
22402
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Rik <rik@octave.org>
parents: 22329
diff changeset
204 F77_XFCN (zgehrd, ZGEHRD, (n, ilo, ihi, F77_DBLE_CMPLX_ARG (h), n,
4caa7b28d183 maint: Style check C++ code in liboctave/
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parents: 22329
diff changeset
205 F77_DBLE_CMPLX_ARG (ptau), F77_DBLE_CMPLX_ARG (pwork), lwork, info));
22329
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diff changeset
206
30061
2fbb98fb1b25 maint: use "m_" prefix for member variables in class hess.
Rik <rik@octave.org>
parents: 29359
diff changeset
207 m_unitary_hess_mat = m_hess_mat;
2fbb98fb1b25 maint: use "m_" prefix for member variables in class hess.
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parents: 29359
diff changeset
208 Complex *z = m_unitary_hess_mat.fortran_vec ();
21267
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diff changeset
209
22402
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parents: 22329
diff changeset
210 F77_XFCN (zunghr, ZUNGHR, (n, ilo, ihi, F77_DBLE_CMPLX_ARG (z), n,
4caa7b28d183 maint: Style check C++ code in liboctave/
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parents: 22329
diff changeset
211 F77_DBLE_CMPLX_ARG (ptau), F77_DBLE_CMPLX_ARG (pwork),
22329
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diff changeset
212 lwork, info));
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parents: 22323
diff changeset
213
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
214 F77_XFCN (zgebak, ZGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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parents: 22323
diff changeset
215 F77_CONST_CHAR_ARG2 (&side, 1),
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diff changeset
216 n, ilo, ihi, pscale, n, F77_DBLE_CMPLX_ARG (z), n, info
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diff changeset
217 F77_CHAR_ARG_LEN (1)
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diff changeset
218 F77_CHAR_ARG_LEN (1)));
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diff changeset
219
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
220 // If someone thinks of a more graceful way of
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diff changeset
221 // doing this (or faster for that matter :-)),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
222 // please let me know!
21267
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parents: 21202
diff changeset
223
22329
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diff changeset
224 if (n > 2)
22946
32ec45de162f use F77_INT instead of octave_idx_type for liboctave hess class
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diff changeset
225 for (F77_INT j = 0; j < a_nc; j++)
32ec45de162f use F77_INT instead of octave_idx_type for liboctave hess class
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diff changeset
226 for (F77_INT i = j+2; i < a_nr; i++)
30061
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parents: 29359
diff changeset
227 m_hess_mat.elem (i, j) = 0;
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diff changeset
228
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
229 return info;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
230 }
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diff changeset
231
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
232 template <>
29228
5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27923
diff changeset
233 OCTAVE_API octave_idx_type
22329
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diff changeset
234 hess<FloatComplexMatrix>::init (const FloatComplexMatrix& a)
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diff changeset
235 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
236 F77_INT a_nr = to_f77_int (a.rows ());
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
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diff changeset
237 F77_INT a_nc = to_f77_int (a.cols ());
22329
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diff changeset
238
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
239 if (a_nr != a_nc)
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diff changeset
240 {
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diff changeset
241 (*current_liboctave_error_handler) ("hess: requires square matrix");
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diff changeset
242 return -1;
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parents: 22323
diff changeset
243 }
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diff changeset
244
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
245 char job = 'N';
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diff changeset
246 char side = 'R';
21267
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247
22946
32ec45de162f use F77_INT instead of octave_idx_type for liboctave hess class
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diff changeset
248 F77_INT n = a_nc;
32ec45de162f use F77_INT instead of octave_idx_type for liboctave hess class
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parents: 22755
diff changeset
249 F77_INT lwork = 32 * n;
32ec45de162f use F77_INT instead of octave_idx_type for liboctave hess class
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parents: 22755
diff changeset
250 F77_INT info;
32ec45de162f use F77_INT instead of octave_idx_type for liboctave hess class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
251 F77_INT ilo;
32ec45de162f use F77_INT instead of octave_idx_type for liboctave hess class
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diff changeset
252 F77_INT ihi;
22329
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diff changeset
253
30061
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Rik <rik@octave.org>
parents: 29359
diff changeset
254 m_hess_mat = a;
2fbb98fb1b25 maint: use "m_" prefix for member variables in class hess.
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parents: 29359
diff changeset
255 FloatComplex *h = m_hess_mat.fortran_vec ();
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
256
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
257 Array<float> scale (dim_vector (n, 1));
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diff changeset
258 float *pscale = scale.fortran_vec ();
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diff changeset
259
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
260 F77_XFCN (cgebal, CGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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parents: 22323
diff changeset
261 n, F77_CMPLX_ARG (h), n, ilo, ihi, pscale, info
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
262 F77_CHAR_ARG_LEN (1)));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
263
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
264 Array<FloatComplex> tau (dim_vector (n-1, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
265 FloatComplex *ptau = tau.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
266
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
267 Array<FloatComplex> work (dim_vector (lwork, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
268 FloatComplex *pwork = work.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
269
22402
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22329
diff changeset
270 F77_XFCN (cgehrd, CGEHRD, (n, ilo, ihi, F77_CMPLX_ARG (h), n,
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22329
diff changeset
271 F77_CMPLX_ARG (ptau), F77_CMPLX_ARG (pwork), lwork, info));
21267
f5b8c3aca5f8 make better use of templates for Hessenberg decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
272
30061
2fbb98fb1b25 maint: use "m_" prefix for member variables in class hess.
Rik <rik@octave.org>
parents: 29359
diff changeset
273 m_unitary_hess_mat = m_hess_mat;
2fbb98fb1b25 maint: use "m_" prefix for member variables in class hess.
Rik <rik@octave.org>
parents: 29359
diff changeset
274 FloatComplex *z = m_unitary_hess_mat.fortran_vec ();
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
275
22402
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22329
diff changeset
276 F77_XFCN (cunghr, CUNGHR, (n, ilo, ihi, F77_CMPLX_ARG (z), n,
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22329
diff changeset
277 F77_CMPLX_ARG (ptau), F77_CMPLX_ARG (pwork),
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
278 lwork, info));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
279
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
280 F77_XFCN (cgebak, CGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
281 F77_CONST_CHAR_ARG2 (&side, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
282 n, ilo, ihi, pscale, n, F77_CMPLX_ARG (z), n, info
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
283 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
284 F77_CHAR_ARG_LEN (1)));
21267
f5b8c3aca5f8 make better use of templates for Hessenberg decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
285
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
286 // If someone thinks of a more graceful way of
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
287 // doing this (or faster for that matter :-)),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
288 // please let me know!
22317
6ca3acf5fad8 move some new numeric classes to namespace octave::math
John W. Eaton <jwe@octave.org>
parents: 22135
diff changeset
289
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
290 if (n > 2)
22946
32ec45de162f use F77_INT instead of octave_idx_type for liboctave hess class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
291 for (F77_INT j = 0; j < a_nc; j++)
32ec45de162f use F77_INT instead of octave_idx_type for liboctave hess class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
292 for (F77_INT i = j+2; i < a_nr; i++)
30061
2fbb98fb1b25 maint: use "m_" prefix for member variables in class hess.
Rik <rik@octave.org>
parents: 29359
diff changeset
293 m_hess_mat.elem (i, j) = 0;
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
294
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
295 return info;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
296 }
31605
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents: 30564
diff changeset
297
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents: 30564
diff changeset
298 OCTAVE_END_NAMESPACE(math)
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents: 30564
diff changeset
299 OCTAVE_END_NAMESPACE(octave)