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annotate liboctave/numeric/aepbalance.cc @ 21724:aba2e6293dd8

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use "#if ..." consistently instead of "#ifdef" and "#ifndef" * configure.ac, Doxyfile.in, make_int.cc, Backend.cc, BaseControl.cc, ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc, ContextMenu.cc, EditControl.cc, Figure.cc, FigureWindow.cc, GLCanvas.cc, KeyMap.cc, ListBoxControl.cc, Logger.cc, Menu.cc, MouseModeActionGroup.cc, Object.cc, ObjectFactory.cc, ObjectProxy.cc, Panel.cc, PopupMenuControl.cc, PushButtonControl.cc, PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc, SliderControl.cc, TextControl.cc, TextEdit.cc, ToggleButtonControl.cc, ToggleTool.cc, ToolBar.cc, __init_qt__.cc, annotation-dialog.cc, gl-select.cc, module.mk, color-picker.cc, dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc, find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc, liboctgui-build-info.in.cc, file-editor-tab.cc, file-editor.cc, find-dialog.cc, marker.cc, marker.h, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc, octave-cmd.cc, octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc, octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc, settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc, thread-manager.cc, welcome-wizard.cc, workspace-model.cc, workspace-view.cc, build-env.in.cc, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __luinc__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, cdisplay.c, cdisplay.h, cellfun.cc, coct-hdf5-types.c, colloc.cc, comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, defaults.in.h, defun.cc, det.cc, dirfns.cc, display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc, errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-save.cc, lookup.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mex.h, mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stdstrm.h, oct-stream.cc, oct-strstrm.cc, oct-tex-lexer.in.ll, oct-tex-parser.in.yy, octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc, profiler.cc, psi.cc, pt-jit.cc, pt-jit.h, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, siglist.c, siglist.h, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc, xpow.cc, zfstream.cc, zfstream.h, __delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc, liboctinterp-build-info.in.cc, mkbuiltins, mkops, ov-base.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc, ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ovl.cc, octave.cc, octave.h, 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-cdm-cm.cc, op-cdm-dm.cc, op-cdm-m.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cdm.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-dm.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-cdm.cc, op-dm-cm.cc, op-dm-dm.cc, op-dm-m.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc, op-fcdm-fcm.cc, op-fcdm-fdm.cc, op-fcdm-fm.cc, op-fcm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fdm.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-fcdm.cc, op-fdm-fcm.cc, op-fdm-fdm.cc, op-fdm-fm.cc, op-float-conv.cc, op-fm-fcdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fdm.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-int-conv.cc, op-m-cdm.cc, op-m-cm.cc, op-m-cs.cc, op-m-dm.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.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, lex.ll, oct-parse.in.yy, pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc, pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc, pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc, token.cc, Array-jit.cc, Array-tc.cc, version.cc, Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc, Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc, Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, MArray-C.cc, MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MSparse-C.cc, MSparse-d.cc, MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc, dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dim-vector.cc, dim-vector.h, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, int16NDArray.cc, int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, Faddeeva.cc, blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, lo-error.h, quit.cc, quit.h, liboctave-build-info.in.cc, CollocWt.cc, DASPK.cc, DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc, chol.cc, eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc, lo-mappers.cc, lo-specfun.cc, lu.cc, oct-convn.cc, oct-fftw.cc, oct-norm.cc, oct-rand.cc, oct-spparms.cc, qr.cc, qrp.cc, randmtzig.cc, randpoisson.cc, schur.cc, sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc, mk-ops.awk, mx-defs.h, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc, oct-group.cc, oct-passwd.cc, oct-syscalls.cc, oct-time.cc, oct-uname.cc, pathlen.h, syswait.h, cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c, glob-match.cc, kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c, lo-cutils.h, lo-ieee.cc, lo-ieee.h, lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc, oct-inttypes.h, oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-edit.h, oct-rl-hist.c, oct-rl-hist.h, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc, sparse-util.cc, statdefs.h, str-vec.cc, unwind-prot.cc, url-transfer.cc, acinclude.m4, display-available.c, display-available.h, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-build-info.in.cc, octave-config.in.cc, shared-fcns.h: Use "#if ..." consistently instead of "#ifdef" and "#ifndef".
author John W. Eaton <jwe@octave.org>
date Tue, 17 May 2016 12:09:30 -0400
parents 40de9f8f23a6
children 59cadee1c74b
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1 /*
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2
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3 Copyright (C) 1994-2015 John W. Eaton
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4 Copyright (C) 2008 Jaroslav Hajek
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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22 */
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23
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24 #if defined (HAVE_CONFIG_H)
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25 # include "config.h"
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26 #endif
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27
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28 #include <string>
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29
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30 #include "CColVector.h"
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31 #include "CMatrix.h"
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32 #include "aepbalance.h"
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33 #include "dColVector.h"
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34 #include "dMatrix.h"
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35 #include "f77-fcn.h"
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36 #include "fCColVector.h"
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37 #include "fCMatrix.h"
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38 #include "fColVector.h"
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39 #include "fMatrix.h"
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41 extern "C"
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42 {
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43 F77_RET_T
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44 F77_FUNC (dgebal, DGEBAL) (F77_CONST_CHAR_ARG_DECL,
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45 const octave_idx_type&, double*,
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46 const octave_idx_type&, octave_idx_type&,
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47 octave_idx_type&, double*, octave_idx_type&
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48 F77_CHAR_ARG_LEN_DECL);
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50 F77_RET_T
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51 F77_FUNC (dgebak, DGEBAK) (F77_CONST_CHAR_ARG_DECL,
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52 F77_CONST_CHAR_ARG_DECL,
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53 const octave_idx_type&, const octave_idx_type&,
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54 const octave_idx_type&, const double*,
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55 const octave_idx_type&, double*,
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56 const octave_idx_type&, octave_idx_type&
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57 F77_CHAR_ARG_LEN_DECL
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58 F77_CHAR_ARG_LEN_DECL);
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59
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60 F77_RET_T
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61 F77_FUNC (sgebal, SGEBAL) (F77_CONST_CHAR_ARG_DECL,
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62 const octave_idx_type&, float*,
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63 const octave_idx_type&, octave_idx_type&,
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64 octave_idx_type&, float*, octave_idx_type&
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65 F77_CHAR_ARG_LEN_DECL);
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66
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67 F77_RET_T
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68 F77_FUNC (sgebak, SGEBAK) (F77_CONST_CHAR_ARG_DECL,
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69 F77_CONST_CHAR_ARG_DECL,
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70 const octave_idx_type&, const octave_idx_type&,
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71 const octave_idx_type&, const float*,
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72 const octave_idx_type&, float*,
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73 const octave_idx_type&, octave_idx_type&
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74 F77_CHAR_ARG_LEN_DECL
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75 F77_CHAR_ARG_LEN_DECL);
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76
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77 F77_RET_T
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78 F77_FUNC (zgebal, ZGEBAL) (F77_CONST_CHAR_ARG_DECL,
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79 const octave_idx_type&, Complex*,
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80 const octave_idx_type&, octave_idx_type&,
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81 octave_idx_type&, double*, octave_idx_type&
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82 F77_CHAR_ARG_LEN_DECL);
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83
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84 F77_RET_T
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85 F77_FUNC (zgebak, ZGEBAK) (F77_CONST_CHAR_ARG_DECL,
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86 F77_CONST_CHAR_ARG_DECL,
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87 const octave_idx_type&, const octave_idx_type&,
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88 const octave_idx_type&, const double*,
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89 const octave_idx_type&, Complex*,
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90 const octave_idx_type&, octave_idx_type&
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91 F77_CHAR_ARG_LEN_DECL
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92 F77_CHAR_ARG_LEN_DECL);
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93
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94 F77_RET_T
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95 F77_FUNC (cgebal, CGEBAL) (F77_CONST_CHAR_ARG_DECL,
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96 const octave_idx_type&, FloatComplex*,
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97 const octave_idx_type&, octave_idx_type&,
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98 octave_idx_type&, float*, octave_idx_type&
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99 F77_CHAR_ARG_LEN_DECL);
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100
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101 F77_RET_T
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102 F77_FUNC (cgebak, CGEBAK) (F77_CONST_CHAR_ARG_DECL,
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103 F77_CONST_CHAR_ARG_DECL,
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104 const octave_idx_type&, const octave_idx_type&,
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105 const octave_idx_type&, const float*,
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106 const octave_idx_type&, FloatComplex*,
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107 const octave_idx_type&, octave_idx_type&
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108 F77_CHAR_ARG_LEN_DECL
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109 F77_CHAR_ARG_LEN_DECL);
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110 }
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111
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112 static inline char
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113 get_job (bool noperm, bool noscal)
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114 {
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115 return noperm ? (noscal ? 'N' : 'S') : (noscal ? 'P' : 'B');
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116 }
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117
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118 template <>
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119 aepbalance<Matrix>::aepbalance (const Matrix& a, bool noperm, bool noscal)
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120 : balanced_mat (a), scale (), ilo (), ihi (), job (get_job (noperm, noscal))
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121 {
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122 octave_idx_type n = a.cols ();
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123
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124 if (a.rows () != n)
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125 (*current_liboctave_error_handler) ("aepbalance: requires square matrix");
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126
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127 scale = ColumnVector (n);
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128
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129 octave_idx_type info;
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130
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131 F77_XFCN (dgebal, DGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1), n,
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132 balanced_mat.fortran_vec (), n, ilo, ihi,
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133 scale.fortran_vec (), info
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134 F77_CHAR_ARG_LEN (1)));
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135 }
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136
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137 template <>
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138 Matrix
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139 aepbalance<Matrix>::balancing_matrix (void) const
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140 {
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141 octave_idx_type n = balanced_mat.rows ();
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142 Matrix balancing_mat (n, n, 0.0);
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143 for (octave_idx_type i = 0; i < n; i++)
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144 balancing_mat.elem (i ,i) = 1.0;
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145
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146 octave_idx_type info;
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147
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148 char side = 'R';
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149
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150 F77_XFCN (dgebak, DGEBAK, (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, scale.data (), n,
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153 balancing_mat.fortran_vec (), 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 return balancing_mat;
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158 }
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159
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160 template <>
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161 aepbalance<FloatMatrix>::aepbalance (const FloatMatrix& a, bool noperm,
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162 bool noscal)
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163 : balanced_mat (a), scale (), ilo (), ihi (), job (get_job (noperm, noscal))
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164 {
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165 octave_idx_type n = a.cols ();
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166
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167 if (a.rows () != n)
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168 (*current_liboctave_error_handler) ("aepbalance: requires square matrix");
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169
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170 scale = FloatColumnVector (n);
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171
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172 octave_idx_type info;
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173
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174 F77_XFCN (sgebal, SGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1), n,
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175 balanced_mat.fortran_vec (), n, ilo, ihi,
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176 scale.fortran_vec (), info
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177 F77_CHAR_ARG_LEN (1)));
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178 }
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179
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180 template <>
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181 FloatMatrix
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182 aepbalance<FloatMatrix>::balancing_matrix (void) const
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183 {
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184 octave_idx_type n = balanced_mat.rows ();
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185 FloatMatrix balancing_mat (n, n, 0.0);
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186 for (octave_idx_type i = 0; i < n; i++)
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187 balancing_mat.elem (i ,i) = 1.0;
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188
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189 octave_idx_type info;
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190
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191 char side = 'R';
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192
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193 F77_XFCN (sgebak, SGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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194 F77_CONST_CHAR_ARG2 (&side, 1),
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195 n, ilo, ihi, scale.data (), n,
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196 balancing_mat.fortran_vec (), n, info
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197 F77_CHAR_ARG_LEN (1)
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198 F77_CHAR_ARG_LEN (1)));
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199
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200 return balancing_mat;
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201 }
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202
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203 template <>
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204 aepbalance<ComplexMatrix>::aepbalance (const ComplexMatrix& a, bool noperm,
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205 bool noscal)
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206 : balanced_mat (a), scale (), ilo (), ihi (), job (get_job (noperm, noscal))
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207 {
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208 octave_idx_type n = a.cols ();
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209
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210 if (a.rows () != n)
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211 (*current_liboctave_error_handler) ("aepbalance: requires square matrix");
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212
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213 scale = ColumnVector (n);
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214
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215 octave_idx_type info;
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216
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217 F77_XFCN (zgebal, ZGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1), n,
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218 balanced_mat.fortran_vec (), n, ilo, ihi,
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219 scale.fortran_vec (), info
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220 F77_CHAR_ARG_LEN (1)));
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221 }
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222
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223 template <>
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224 ComplexMatrix
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225 aepbalance<ComplexMatrix>::balancing_matrix (void) const
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226 {
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227 octave_idx_type n = balanced_mat.rows ();
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228 ComplexMatrix balancing_mat (n, n, 0.0);
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229 for (octave_idx_type i = 0; i < n; i++)
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230 balancing_mat.elem (i, i) = 1.0;
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231
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232 octave_idx_type info;
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233
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234 char side = 'R';
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235
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236 F77_XFCN (zgebak, ZGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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237 F77_CONST_CHAR_ARG2 (&side, 1),
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238 n, ilo, ihi, scale.data (), n,
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239 balancing_mat.fortran_vec (), n, info
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240 F77_CHAR_ARG_LEN (1)
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241 F77_CHAR_ARG_LEN (1)));
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242
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243 return balancing_mat;
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244 }
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245
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246 template <>
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247 aepbalance<FloatComplexMatrix>::aepbalance (const FloatComplexMatrix& a,
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248 bool noperm, bool noscal)
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249 : balanced_mat (a), scale (), ilo (), ihi (), job (get_job (noperm, noscal))
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250 {
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251 octave_idx_type n = a.cols ();
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252
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253 if (a.rows () != n)
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254 (*current_liboctave_error_handler) ("aepbalance: requires square matrix");
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255
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256 scale = FloatColumnVector (n);
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257
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258 octave_idx_type info;
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259
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260 F77_XFCN (cgebal, CGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1), n,
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261 balanced_mat.fortran_vec (), n, ilo, ihi,
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262 scale.fortran_vec (), info
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263 F77_CHAR_ARG_LEN (1)));
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264 }
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265
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266 template <>
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267 FloatComplexMatrix
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268 aepbalance<FloatComplexMatrix>::balancing_matrix (void) const
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269 {
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270 octave_idx_type n = balanced_mat.rows ();
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271 FloatComplexMatrix balancing_mat (n, n, 0.0);
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272 for (octave_idx_type i = 0; i < n; i++)
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273 balancing_mat.elem (i, i) = 1.0;
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274
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275 octave_idx_type info;
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276
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277 char side = 'R';
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278
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279 F77_XFCN (cgebak, CGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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280 F77_CONST_CHAR_ARG2 (&side, 1),
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281 n, ilo, ihi, scale.data (), n,
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282 balancing_mat.fortran_vec (), n, info
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283 F77_CHAR_ARG_LEN (1)
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284 F77_CHAR_ARG_LEN (1)));
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285
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286 return balancing_mat;
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287 }
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288
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289 // Instantiations we need.
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290
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291 template class aepbalance<Matrix>;
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292
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293 template class aepbalance<FloatMatrix>;
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294
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295 template class aepbalance<ComplexMatrix>;
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296
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297 template class aepbalance<FloatComplexMatrix>;