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annotate libinterp/corefcn/balance.cc @ 21301:40de9f8f23a6

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Use '#include "config.h"' rather than <config.h>. * mk-octave-config-h.sh, mk-opts.pl, 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, ToolBarButton.cc, __init_qt__.cc, annotation-dialog.cc, gl-select.cc, module.mk, kpty.cpp, 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, file-editor-tab.cc, file-editor-tab.h, file-editor.cc, find-dialog.cc, marker.cc, 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-features.sh, build-env.in.cc, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, cdisplay.c, 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, 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, hook-fcn.cc, input.cc, inv.cc, jit-ir.cc, jit-typeinfo.cc, jit-util.cc, 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-utils.cc, lsode.cc, lu.cc, luinc.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, 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, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, siglist.c, 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, __delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.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, mkbuiltins, mkops, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc, ov-base-scalar.cc, ov-base-sparse.cc, 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.cc, ovl.cc, octave.cc, 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-double-conv.cc, op-fcdm-fcdm.cc, op-fcdm-fdm.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-float-conv.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-int-conv.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-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-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-os.cc, Array-sym.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, DiagArray2.cc, MArray-C.cc, MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc, MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.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, 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, intNDArray.cc, uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, lo-error.c, quit.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, randgamma.c, randmtzig.c, randpoisson.c, schur.cc, sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc, mk-ops.awk, 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, 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-ieee.cc, lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc, oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-hist.c, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc, sparse-util.cc, str-vec.cc, unwind-prot.cc, url-transfer.cc, display-available.c, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-config.in.cc: Use '#include "config.h"' rather than <config.h>.
author Rik <rik@octave.org>
date Thu, 18 Feb 2016 13:34:50 -0800
parents f08ae27289e4
children aba2e6293dd8
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1 /*
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2
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3 Copyright (C) 1996-2015 John W. Eaton
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4 Copyright (C) 2008-2009 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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12
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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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21
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22 */
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23
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24 // Author: A. S. Hodel <scotte@eng.auburn.edu>
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26 #ifdef 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 <string>
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31
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32 #include "CMatrix.h"
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33 #include "aepbalance.h"
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34 #include "dMatrix.h"
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35 #include "fCMatrix.h"
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36 #include "fMatrix.h"
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37 #include "gepbalance.h"
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38 #include "quit.h"
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39
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40 #include "defun.h"
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41 #include "error.h"
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42 #include "f77-fcn.h"
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43 #include "errwarn.h"
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44 #include "ovl.h"
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45 #include "utils.h"
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46
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47 DEFUN (balance, args, nargout,
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48 "-*- texinfo -*-\n\
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49 @deftypefn {} {@var{AA} =} balance (@var{A})\n\
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50 @deftypefnx {} {@var{AA} =} balance (@var{A}, @var{opt})\n\
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51 @deftypefnx {} {[@var{DD}, @var{AA}] =} balance (@var{A}, @var{opt})\n\
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52 @deftypefnx {} {[@var{D}, @var{P}, @var{AA}] =} balance (@var{A}, @var{opt})\n\
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53 @deftypefnx {} {[@var{CC}, @var{DD}, @var{AA}, @var{BB}] =} balance (@var{A}, @var{B}, @var{opt})\n\
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54 \n\
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55 Balance the matrix @var{A} to reduce numerical errors in future\n\
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56 calculations.\n\
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57 \n\
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58 Compute @code{@var{AA} = @var{DD} \\ @var{A} * @var{DD}} in which @var{AA}\n\
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59 is a matrix whose row and column norms are roughly equal in magnitude, and\n\
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60 @code{@var{DD} = @var{P} * @var{D}}, in which @var{P} is a permutation\n\
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61 matrix and @var{D} is a diagonal matrix of powers of two. This allows the\n\
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62 equilibration to be computed without round-off. Results of eigenvalue\n\
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63 calculation are typically improved by balancing first.\n\
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64 \n\
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65 If two output values are requested, @code{balance} returns\n\
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66 the diagonal @var{D} and the permutation @var{P} separately as vectors.\n\
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67 In this case, @code{@var{DD} = eye(n)(:,@var{P}) * diag (@var{D})}, where\n\
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68 @math{n} is the matrix size.\n\
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69 \n\
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70 If four output values are requested, compute @code{@var{AA} =\n\
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71 @var{CC}*@var{A}*@var{DD}} and @code{@var{BB} = @var{CC}*@var{B}*@var{DD}},\n\
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72 in which @var{AA} and @var{BB} have nonzero elements of approximately the\n\
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73 same magnitude and @var{CC} and @var{DD} are permuted diagonal matrices as\n\
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74 in @var{DD} for the algebraic eigenvalue problem.\n\
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75 \n\
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76 The eigenvalue balancing option @var{opt} may be one of:\n\
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77 \n\
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78 @table @asis\n\
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79 @item @qcode{\"noperm\"}, @qcode{\"S\"}\n\
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80 Scale only; do not permute.\n\
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81 \n\
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82 @item @qcode{\"noscal\"}, @qcode{\"P\"}\n\
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83 Permute only; do not scale.\n\
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84 @end table\n\
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85 \n\
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86 Algebraic eigenvalue balancing uses standard @sc{lapack} routines.\n\
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87 \n\
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88 Generalized eigenvalue problem balancing uses Ward's algorithm\n\
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89 (SIAM Journal on Scientific and Statistical Computing, 1981).\n\
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90 @end deftypefn")
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91 {
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92 int nargin = args.length ();
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93
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94 if (nargin < 1 || nargin > 3 || nargout < 0)
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95 print_usage ();
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96
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97 octave_value_list retval;
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98
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99 // determine if it's AEP or GEP
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100 bool AEPcase = nargin == 1 || args(1).is_string ();
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101
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102 // problem dimension
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103 octave_idx_type nn = args(0).rows ();
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104
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105 if (nn != args(0).columns ())
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106 err_square_matrix_required ("balance", "A");
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107
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108 bool isfloat = args(0).is_single_type ()
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109 || (! AEPcase && args(1).is_single_type ());
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110
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111 bool complex_case = args(0).is_complex_type ()
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112 || (! AEPcase && args(1).is_complex_type ());
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113
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114 // Extract argument 1 parameter for both AEP and GEP.
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115 Matrix aa;
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116 ComplexMatrix caa;
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117 FloatMatrix faa;
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118 FloatComplexMatrix fcaa;
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119
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120 if (isfloat)
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121 {
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122 if (complex_case)
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123 fcaa = args(0).float_complex_matrix_value ();
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124 else
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125 faa = args(0).float_matrix_value ();
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126 }
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127 else
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128 {
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129 if (complex_case)
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130 caa = args(0).complex_matrix_value ();
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131 else
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132 aa = args(0).matrix_value ();
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133 }
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134
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135 // Treat AEP/GEP cases.
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136 if (AEPcase)
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137 {
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138 // Algebraic eigenvalue problem.
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139 bool noperm = false;
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140 bool noscal = false;
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141 if (nargin > 1)
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142 {
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143 std::string a1s = args(1).string_value ();
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144 noperm = a1s == "noperm" || a1s == "S";
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145 noscal = a1s == "noscal" || a1s == "P";
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146 }
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147
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148 // balance the AEP
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149 if (isfloat)
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150 {
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151 if (complex_case)
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152 {
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153 aepbalance<FloatComplexMatrix> result (fcaa, noperm, noscal);
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154
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155 if (nargout == 0 || nargout == 1)
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156 retval = ovl (result.balanced_matrix ());
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157 else if (nargout == 2)
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158 retval = ovl (result.balancing_matrix (),
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159 result.balanced_matrix ());
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160 else
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161 retval = ovl (result.scaling_vector (),
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162 result.permuting_vector (),
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163 result.balanced_matrix ());
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164 }
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165 else
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166 {
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167 aepbalance<FloatMatrix> result (faa, noperm, noscal);
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168
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169 if (nargout == 0 || nargout == 1)
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170 retval = ovl (result.balanced_matrix ());
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171 else if (nargout == 2)
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172 retval = ovl (result.balancing_matrix (),
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173 result.balanced_matrix ());
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174 else
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175 retval = ovl (result.scaling_vector (),
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176 result.permuting_vector (),
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177 result.balanced_matrix ());
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178 }
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179 }
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180 else
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181 {
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182 if (complex_case)
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183 {
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184 aepbalance<ComplexMatrix> result (caa, noperm, noscal);
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185
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186 if (nargout == 0 || nargout == 1)
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187 retval = ovl (result.balanced_matrix ());
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188 else if (nargout == 2)
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189 retval = ovl (result.balancing_matrix (),
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190 result.balanced_matrix ());
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191 else
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192 retval = ovl (result.scaling_vector (),
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193 result.permuting_vector (),
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194 result.balanced_matrix ());
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195 }
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196 else
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197 {
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198 aepbalance<Matrix> result (aa, noperm, noscal);
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199
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200 if (nargout == 0 || nargout == 1)
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201 retval = ovl (result.balanced_matrix ());
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202 else if (nargout == 2)
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203 retval = ovl (result.balancing_matrix (),
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204 result.balanced_matrix ());
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205 else
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206 retval = ovl (result.scaling_vector (),
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207 result.permuting_vector (),
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208 result.balanced_matrix ());
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209 }
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210 }
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211 }
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jwe
parents: 3179
diff changeset
212 else
3f6a813eb09e [project @ 1998-09-25 02:50:29 by jwe]
jwe
parents: 3179
diff changeset
213 {
8386
a5e080076778 make balance more Matlab-compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7789
diff changeset
214 std::string bal_job;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7482
diff changeset
215 if (nargout == 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
216 warning ("balance: used GEP, should have two output arguments");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7482
diff changeset
217
3185
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe]
jwe
parents: 3181
diff changeset
218 // Generalized eigenvalue problem.
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe]
jwe
parents: 3181
diff changeset
219 if (nargin == 2)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
220 bal_job = "B";
3185
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe]
jwe
parents: 3181
diff changeset
221 else
20700
68e3a747ca02 rename octave_value value extractors that accept error message args
John W. Eaton <jwe@octave.org>
parents: 20582
diff changeset
222 bal_job = args(2).xstring_value ("balance: OPT argument must be a string");
3185
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe]
jwe
parents: 3181
diff changeset
223
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe]
jwe
parents: 3181
diff changeset
224 if ((nn != args(1).columns ()) || (nn != args(1).rows ()))
21100
e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents: 21024
diff changeset
225 err_nonconformant ();
3185
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe]
jwe
parents: 3181
diff changeset
226
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe]
jwe
parents: 3181
diff changeset
227 Matrix bb;
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe]
jwe
parents: 3181
diff changeset
228 ComplexMatrix cbb;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7482
diff changeset
229 FloatMatrix fbb;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7482
diff changeset
230 FloatComplexMatrix fcbb;
3185
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe]
jwe
parents: 3181
diff changeset
231
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7482
diff changeset
232 if (isfloat)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
233 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
234 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
235 fcbb = args(1).float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
236 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
237 fbb = args(1).float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
238 }
3185
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe]
jwe
parents: 3181
diff changeset
239 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
240 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
241 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
242 cbb = args(1).complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
243 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
244 bb = args(1).matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
245 }
4153
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe]
jwe
parents: 3911
diff changeset
246
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7482
diff changeset
247 // balance the GEP
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7482
diff changeset
248 if (isfloat)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
249 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
250 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
251 {
21268
f08ae27289e4 better use of templates for balance classes
John W. Eaton <jwe@octave.org>
parents: 21200
diff changeset
252 gepbalance<FloatComplexMatrix> result (fcaa, fcbb, bal_job);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7482
diff changeset
253
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
254 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
255 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
256 case 4:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
257 retval(3) = result.balanced_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
258 // fall through
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
259 case 3:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
260 retval(2) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
261 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
262 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
263 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
264 case 2:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
265 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
266 // fall through
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
267 case 1:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
268 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
269 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
270 default:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
271 error ("balance: invalid number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
272 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
273 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
274 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
275 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
276 {
21268
f08ae27289e4 better use of templates for balance classes
John W. Eaton <jwe@octave.org>
parents: 21200
diff changeset
277 gepbalance<FloatMatrix> result (faa, fbb, bal_job);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7482
diff changeset
278
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
279 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
280 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
281 case 4:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
282 retval(3) = result.balanced_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
283 // fall through
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
284 case 3:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
285 retval(2) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
286 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
287 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
288 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
289 case 2:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
290 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
291 // fall through
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
292 case 1:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
293 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
294 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
295 default:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
296 error ("balance: invalid number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
297 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
298 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
299 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
300 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7482
diff changeset
301 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
302 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
303 if (complex_case)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
304 {
21268
f08ae27289e4 better use of templates for balance classes
John W. Eaton <jwe@octave.org>
parents: 21200
diff changeset
305 gepbalance<ComplexMatrix> result (caa, cbb, bal_job);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7482
diff changeset
306
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
307 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
308 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
309 case 4:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
310 retval(3) = result.balanced_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
311 // fall through
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
312 case 3:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
313 retval(2) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
314 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
315 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
316 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
317 case 2:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
318 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
319 // fall through
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
320 case 1:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
321 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
322 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
323 default:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
324 error ("balance: invalid number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
325 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
326 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
327 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
328 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
329 {
21268
f08ae27289e4 better use of templates for balance classes
John W. Eaton <jwe@octave.org>
parents: 21200
diff changeset
330 gepbalance<Matrix> result (aa, bb, bal_job);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7482
diff changeset
331
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
332 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
333 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
334 case 4:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
335 retval(3) = result.balanced_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
336 // fall through
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
337 case 3:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
338 retval(2) = result.balanced_matrix ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
339 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
340 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
341 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
342 case 2:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
343 retval(1) = result.balancing_matrix2 ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
344 // fall through
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
345 case 1:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
346 retval(0) = result.balancing_matrix ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
347 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
348 default:
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
349 error ("balance: invalid number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
350 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
351 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
352 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9821
diff changeset
353 }
2928
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe]
jwe
parents:
diff changeset
354 }
3185
9580887dd160 [project @ 1998-09-26 02:45:55 by jwe]
jwe
parents: 3181
diff changeset
355
2928
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe]
jwe
parents:
diff changeset
356 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe]
jwe
parents:
diff changeset
357 }