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annotate liboctave/numeric/fEIG.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 f7121e111991
children aba2e6293dd8
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1 /*
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2
19697
4197fc428c7d maint: Update copyright notices for 2015.
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3 Copyright (C) 1994-2015 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 # include "config.h"
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25 #endif
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26
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27 #include "fEIG.h"
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28 #include "fColVector.h"
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29 #include "f77-fcn.h"
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30 #include "lo-error.h"
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31
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32 extern "C"
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33 {
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34 F77_RET_T
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35 F77_FUNC (sgeev, SGEEV) (F77_CONST_CHAR_ARG_DECL,
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36 F77_CONST_CHAR_ARG_DECL,
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37 const octave_idx_type&, float*,
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38 const octave_idx_type&, float*, float*, float*,
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39 const octave_idx_type&, float*,
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40 const octave_idx_type&, float*,
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41 const octave_idx_type&, octave_idx_type&
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42 F77_CHAR_ARG_LEN_DECL
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43 F77_CHAR_ARG_LEN_DECL);
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44
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45 F77_RET_T
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46 F77_FUNC (cgeev, CGEEV) (F77_CONST_CHAR_ARG_DECL,
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47 F77_CONST_CHAR_ARG_DECL,
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48 const octave_idx_type&, FloatComplex*,
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49 const octave_idx_type&, FloatComplex*, FloatComplex*,
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50 const octave_idx_type&, FloatComplex*,
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51 const octave_idx_type&, FloatComplex*,
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52 const octave_idx_type&, float*, octave_idx_type&
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53 F77_CHAR_ARG_LEN_DECL
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54 F77_CHAR_ARG_LEN_DECL);
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56 F77_RET_T
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57 F77_FUNC (ssyev, SSYEV) (F77_CONST_CHAR_ARG_DECL,
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58 F77_CONST_CHAR_ARG_DECL,
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59 const octave_idx_type&, float*,
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60 const octave_idx_type&, float*, float*,
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61 const octave_idx_type&, octave_idx_type&
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62 F77_CHAR_ARG_LEN_DECL
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63 F77_CHAR_ARG_LEN_DECL);
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65 F77_RET_T
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66 F77_FUNC (cheev, CHEEV) (F77_CONST_CHAR_ARG_DECL,
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67 F77_CONST_CHAR_ARG_DECL,
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68 const octave_idx_type&, FloatComplex*,
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69 const octave_idx_type&, float*, FloatComplex*,
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70 const octave_idx_type&, float*, octave_idx_type&
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71 F77_CHAR_ARG_LEN_DECL
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72 F77_CHAR_ARG_LEN_DECL);
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74 F77_RET_T
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75 F77_FUNC (spotrf, SPOTRF) (F77_CONST_CHAR_ARG_DECL,
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76 const octave_idx_type&, float*,
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77 const octave_idx_type&, octave_idx_type&
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78 F77_CHAR_ARG_LEN_DECL
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79 F77_CHAR_ARG_LEN_DECL);
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80
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81 F77_RET_T
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82 F77_FUNC (cpotrf, CPOTRF) (F77_CONST_CHAR_ARG_DECL,
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83 const octave_idx_type&, FloatComplex*,
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84 const octave_idx_type&, octave_idx_type&
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85 F77_CHAR_ARG_LEN_DECL
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86 F77_CHAR_ARG_LEN_DECL);
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87
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88 F77_RET_T
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89 F77_FUNC (sggev, SGGEV) (F77_CONST_CHAR_ARG_DECL,
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90 F77_CONST_CHAR_ARG_DECL,
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91 const octave_idx_type&, float*,
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92 const octave_idx_type&, float*,
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93 const octave_idx_type&, float*, float*, float*,
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94 float*, const octave_idx_type&, float*,
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95 const octave_idx_type&, float*,
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96 const octave_idx_type&, octave_idx_type&
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97 F77_CHAR_ARG_LEN_DECL
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98 F77_CHAR_ARG_LEN_DECL);
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99
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100 F77_RET_T
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101 F77_FUNC (ssygv, SSYGV) (const octave_idx_type&,
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102 F77_CONST_CHAR_ARG_DECL,
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103 F77_CONST_CHAR_ARG_DECL,
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104 const octave_idx_type&, float*,
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105 const octave_idx_type&, float*,
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106 const octave_idx_type&, float*, float*,
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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 F77_RET_T
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112 F77_FUNC (cggev, CGGEV) (F77_CONST_CHAR_ARG_DECL,
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113 F77_CONST_CHAR_ARG_DECL,
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114 const octave_idx_type&, FloatComplex*,
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115 const octave_idx_type&, FloatComplex*,
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116 const octave_idx_type&, FloatComplex*,
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117 FloatComplex*, FloatComplex*,
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118 const octave_idx_type&, FloatComplex*,
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119 const octave_idx_type&, FloatComplex*,
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120 const octave_idx_type&, float*, octave_idx_type&
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121 F77_CHAR_ARG_LEN_DECL
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122 F77_CHAR_ARG_LEN_DECL);
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123
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124 F77_RET_T
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125 F77_FUNC (chegv, CHEGV) (const octave_idx_type&,
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126 F77_CONST_CHAR_ARG_DECL,
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127 F77_CONST_CHAR_ARG_DECL,
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128 const octave_idx_type&, FloatComplex*,
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129 const octave_idx_type&, FloatComplex*,
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130 const octave_idx_type&, float*, FloatComplex*,
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131 const octave_idx_type&, float*, octave_idx_type&
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132 F77_CHAR_ARG_LEN_DECL
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133 F77_CHAR_ARG_LEN_DECL);
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134 }
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135
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136 octave_idx_type
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137 FloatEIG::init (const FloatMatrix& a, bool calc_ev)
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138 {
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139 if (a.any_element_is_inf_or_nan ())
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140 (*current_liboctave_error_handler)
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141 ("EIG: matrix contains Inf or NaN values");
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142
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143 if (a.is_symmetric ())
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144 return symmetric_init (a, calc_ev);
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145
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146 octave_idx_type n = a.rows ();
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147
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148 if (n != a.cols ())
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149 (*current_liboctave_error_handler) ("EIG requires square matrix");
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150
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151 octave_idx_type info = 0;
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152
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153 FloatMatrix atmp = a;
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154 float *tmp_data = atmp.fortran_vec ();
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155
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156 Array<float> wr (dim_vector (n, 1));
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157 float *pwr = wr.fortran_vec ();
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158
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159 Array<float> wi (dim_vector (n, 1));
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160 float *pwi = wi.fortran_vec ();
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161
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162 volatile octave_idx_type nvr = calc_ev ? n : 0;
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163 FloatMatrix vr (nvr, nvr);
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164 float *pvr = vr.fortran_vec ();
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165
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166 octave_idx_type lwork = -1;
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167 float dummy_work;
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168
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169 float *dummy = 0;
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170 octave_idx_type idummy = 1;
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171
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172 F77_XFCN (sgeev, SGEEV, (F77_CONST_CHAR_ARG2 ("N", 1),
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173 F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
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174 n, tmp_data, n, pwr, pwi, dummy,
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175 idummy, pvr, n, &dummy_work, lwork, info
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176 F77_CHAR_ARG_LEN (1)
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177 F77_CHAR_ARG_LEN (1)));
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178
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179 if (info != 0)
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180 (*current_liboctave_error_handler) ("sgeev workspace query failed");
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181
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182 lwork = static_cast<octave_idx_type> (dummy_work);
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183 Array<float> work (dim_vector (lwork, 1));
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184 float *pwork = work.fortran_vec ();
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185
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186 F77_XFCN (sgeev, SGEEV, (F77_CONST_CHAR_ARG2 ("N", 1),
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187 F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
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188 n, tmp_data, n, pwr, pwi, dummy,
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189 idummy, pvr, n, pwork, lwork, info
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190 F77_CHAR_ARG_LEN (1)
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191 F77_CHAR_ARG_LEN (1)));
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192
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193 if (info < 0)
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194 (*current_liboctave_error_handler) ("unrecoverable error in sgeev");
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195
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196 if (info > 0)
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197 (*current_liboctave_error_handler) ("sgeev failed to converge");
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198
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199 lambda.resize (n);
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200 v.resize (nvr, nvr);
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201
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202 for (octave_idx_type j = 0; j < n; j++)
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203 {
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204 if (wi.elem (j) == 0.0)
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205 {
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206 lambda.elem (j) = FloatComplex (wr.elem (j));
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207 for (octave_idx_type i = 0; i < nvr; i++)
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208 v.elem (i, j) = vr.elem (i, j);
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209 }
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210 else
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211 {
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212 if (j+1 >= n)
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213 (*current_liboctave_error_handler) ("EIG: internal error");
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214
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215 lambda.elem (j) = FloatComplex (wr.elem (j), wi.elem (j));
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216 lambda.elem (j+1) = FloatComplex (wr.elem (j+1), wi.elem (j+1));
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217
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218 for (octave_idx_type i = 0; i < nvr; i++)
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219 {
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parents: 20490
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220 float real_part = vr.elem (i, j);
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221 float imag_part = vr.elem (i, j+1);
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222 v.elem (i, j) = FloatComplex (real_part, imag_part);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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parents: 20490
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223 v.elem (i, j+1) = FloatComplex (real_part, -imag_part);
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224 }
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diff changeset
225 j++;
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diff changeset
226 }
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227 }
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diff changeset
228
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diff changeset
229 return info;
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parents:
diff changeset
230 }
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231
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
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232 octave_idx_type
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233 FloatEIG::symmetric_init (const FloatMatrix& a, bool calc_ev)
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234 {
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235 octave_idx_type n = a.rows ();
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236
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237 if (n != a.cols ())
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parents: 20490
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238 (*current_liboctave_error_handler) ("EIG requires square matrix");
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239
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240 octave_idx_type info = 0;
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241
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242 FloatMatrix atmp = a;
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243 float *tmp_data = atmp.fortran_vec ();
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244
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245 FloatColumnVector wr (n);
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246 float *pwr = wr.fortran_vec ();
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247
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248 octave_idx_type lwork = -1;
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249 float dummy_work;
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250
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251 F77_XFCN (ssyev, SSYEV, (F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
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252 F77_CONST_CHAR_ARG2 ("U", 1),
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253 n, tmp_data, n, pwr, &dummy_work, lwork, info
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254 F77_CHAR_ARG_LEN (1)
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255 F77_CHAR_ARG_LEN (1)));
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256
21136
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parents: 20490
diff changeset
257 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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parents: 20490
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258 (*current_liboctave_error_handler) ("ssyev workspace query failed");
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259
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260 lwork = static_cast<octave_idx_type> (dummy_work);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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261 Array<float> work (dim_vector (lwork, 1));
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262 float *pwork = work.fortran_vec ();
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263
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parents: 20490
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264 F77_XFCN (ssyev, SSYEV, (F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
265 F77_CONST_CHAR_ARG2 ("U", 1),
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parents: 20490
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266 n, tmp_data, n, pwr, pwork, lwork, info
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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parents: 20490
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267 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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diff changeset
268 F77_CHAR_ARG_LEN (1)));
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269
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parents: 20490
diff changeset
270 if (info < 0)
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271 (*current_liboctave_error_handler) ("unrecoverable error in ssyev");
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272
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273 if (info > 0)
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parents: 20490
diff changeset
274 (*current_liboctave_error_handler) ("ssyev failed to converge");
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parents: 20490
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275
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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276 lambda = FloatComplexColumnVector (wr);
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277 v = calc_ev ? FloatComplexMatrix (atmp) : FloatComplexMatrix ();
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278
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279 return info;
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280 }
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281
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282 octave_idx_type
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283 FloatEIG::init (const FloatComplexMatrix& a, bool calc_ev)
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284 {
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285 if (a.any_element_is_inf_or_nan ())
21136
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parents: 20490
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286 (*current_liboctave_error_handler)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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287 ("EIG: matrix contains Inf or NaN values");
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288
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289 if (a.is_hermitian ())
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290 return hermitian_init (a, calc_ev);
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291
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292 octave_idx_type n = a.rows ();
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293
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294 if (n != a.cols ())
21136
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parents: 20490
diff changeset
295 (*current_liboctave_error_handler) ("EIG requires square matrix");
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296
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297 octave_idx_type info = 0;
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parents:
diff changeset
298
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diff changeset
299 FloatComplexMatrix atmp = a;
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parents:
diff changeset
300 FloatComplex *tmp_data = atmp.fortran_vec ();
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parents:
diff changeset
301
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parents:
diff changeset
302 FloatComplexColumnVector w (n);
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parents:
diff changeset
303 FloatComplex *pw = w.fortran_vec ();
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parents:
diff changeset
304
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diff changeset
305 octave_idx_type nvr = calc_ev ? n : 0;
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parents:
diff changeset
306 FloatComplexMatrix vtmp (nvr, nvr);
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parents:
diff changeset
307 FloatComplex *pv = vtmp.fortran_vec ();
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parents:
diff changeset
308
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parents:
diff changeset
309 octave_idx_type lwork = -1;
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diff changeset
310 FloatComplex dummy_work;
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parents:
diff changeset
311
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parents:
diff changeset
312 octave_idx_type lrwork = 2*n;
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
313 Array<float> rwork (dim_vector (lrwork, 1));
7789
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diff changeset
314 float *prwork = rwork.fortran_vec ();
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parents:
diff changeset
315
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parents:
diff changeset
316 FloatComplex *dummy = 0;
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parents:
diff changeset
317 octave_idx_type idummy = 1;
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parents:
diff changeset
318
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parents:
diff changeset
319 F77_XFCN (cgeev, CGEEV, (F77_CONST_CHAR_ARG2 ("N", 1),
10314
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
320 F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
321 n, tmp_data, n, pw, dummy, idummy,
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
322 pv, n, &dummy_work, lwork, prwork, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
323 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
324 F77_CHAR_ARG_LEN (1)));
7789
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parents:
diff changeset
325
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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parents: 20490
diff changeset
326 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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parents: 20490
diff changeset
327 (*current_liboctave_error_handler) ("cgeev workspace query failed");
7789
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parents:
diff changeset
328
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
329 lwork = static_cast<octave_idx_type> (dummy_work.real ());
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
330 Array<FloatComplex> work (dim_vector (lwork, 1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
331 FloatComplex *pwork = work.fortran_vec ();
7789
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parents:
diff changeset
332
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
333 F77_XFCN (cgeev, CGEEV, (F77_CONST_CHAR_ARG2 ("N", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
334 F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
335 n, tmp_data, n, pw, dummy, idummy,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
336 pv, n, pwork, lwork, prwork, info
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
337 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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parents: 20490
diff changeset
338 F77_CHAR_ARG_LEN (1)));
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parents:
diff changeset
339
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
340 if (info < 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
341 (*current_liboctave_error_handler) ("unrecoverable error in cgeev");
7789
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parents:
diff changeset
342
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
343 if (info > 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
344 (*current_liboctave_error_handler) ("cgeev failed to converge");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
345
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
346 lambda = w;
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
347 v = vtmp;
7789
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diff changeset
348
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parents:
diff changeset
349 return info;
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parents:
diff changeset
350 }
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parents:
diff changeset
351
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parents:
diff changeset
352 octave_idx_type
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parents:
diff changeset
353 FloatEIG::hermitian_init (const FloatComplexMatrix& a, bool calc_ev)
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parents:
diff changeset
354 {
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parents:
diff changeset
355 octave_idx_type n = a.rows ();
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parents:
diff changeset
356
82be108cc558 First attempt at single precision tyeps
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parents:
diff changeset
357 if (n != a.cols ())
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
358 (*current_liboctave_error_handler) ("EIG requires square matrix");
7789
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diff changeset
359
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parents:
diff changeset
360 octave_idx_type info = 0;
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parents:
diff changeset
361
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parents:
diff changeset
362 FloatComplexMatrix atmp = a;
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parents:
diff changeset
363 FloatComplex *tmp_data = atmp.fortran_vec ();
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parents:
diff changeset
364
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parents:
diff changeset
365 FloatColumnVector wr (n);
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parents:
diff changeset
366 float *pwr = wr.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
367
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
368 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
369 FloatComplex dummy_work;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
370
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
371 octave_idx_type lrwork = 3*n;
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
372 Array<float> rwork (dim_vector (lrwork, 1));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
373 float *prwork = rwork.fortran_vec ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
374
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
375 F77_XFCN (cheev, CHEEV, (F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
376 F77_CONST_CHAR_ARG2 ("U", 1),
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
377 n, tmp_data, n, pwr, &dummy_work, lwork,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
378 prwork, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
379 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
380 F77_CHAR_ARG_LEN (1)));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
381
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
382 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
383 (*current_liboctave_error_handler) ("cheev workspace query failed");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
384
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
385 lwork = static_cast<octave_idx_type> (dummy_work.real ());
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
386 Array<FloatComplex> work (dim_vector (lwork, 1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
387 FloatComplex *pwork = work.fortran_vec ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
388
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
389 F77_XFCN (cheev, CHEEV, (F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
390 F77_CONST_CHAR_ARG2 ("U", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
391 n, tmp_data, n, pwr, pwork, lwork, prwork, info
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
392 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
393 F77_CHAR_ARG_LEN (1)));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
394
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
395 if (info < 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
396 (*current_liboctave_error_handler) ("unrecoverable error in cheev");
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
397
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
398 if (info > 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
399 (*current_liboctave_error_handler) ("cheev failed to converge");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
400
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
401 lambda = FloatComplexColumnVector (wr);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
402 v = calc_ev ? FloatComplexMatrix (atmp) : FloatComplexMatrix ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
403
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
404 return info;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
405 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
diff changeset
406
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
407 octave_idx_type
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
408 FloatEIG::init (const FloatMatrix& a, const FloatMatrix& b, bool calc_ev)
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
409 {
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
410 if (a.any_element_is_inf_or_nan () || b.any_element_is_inf_or_nan ())
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
411 (*current_liboctave_error_handler)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
412 ("EIG: matrix contains Inf or NaN values");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
413
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
414 octave_idx_type n = a.rows ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
415 octave_idx_type nb = b.rows ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
416
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
417 if (n != a.cols () || nb != b.cols ())
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
418 (*current_liboctave_error_handler) ("EIG requires square matrix");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
419
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
420 if (n != nb)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
421 (*current_liboctave_error_handler) ("EIG requires same size matrices");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
422
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
423 octave_idx_type info = 0;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
424
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
425 FloatMatrix tmp = b;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
426 float *tmp_data = tmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
427
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
428 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 ("L", 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
429 n, tmp_data, n,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
430 info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
431 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
432 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
433
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
434 if (a.is_symmetric () && b.is_symmetric () && info == 0)
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
435 return symmetric_init (a, b, calc_ev);
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
436
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
437 FloatMatrix atmp = a;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
438 float *atmp_data = atmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
439
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
440 FloatMatrix btmp = b;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
441 float *btmp_data = btmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
442
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
443 Array<float> ar (dim_vector (n, 1));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
444 float *par = ar.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
445
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
446 Array<float> ai (dim_vector (n, 1));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
447 float *pai = ai.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
448
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
449 Array<float> beta (dim_vector (n, 1));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
450 float *pbeta = beta.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
451
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
452 volatile octave_idx_type nvr = calc_ev ? n : 0;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
453 FloatMatrix vr (nvr, nvr);
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
454 float *pvr = vr.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
455
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
456 octave_idx_type lwork = -1;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
457 float dummy_work;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
458
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
459 float *dummy = 0;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
460 octave_idx_type idummy = 1;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
461
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
462 F77_XFCN (sggev, SGGEV, (F77_CONST_CHAR_ARG2 ("N", 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
463 F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
464 n, atmp_data, n, btmp_data, n,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
465 par, pai, pbeta,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
466 dummy, idummy, pvr, n,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
467 &dummy_work, lwork, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
468 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
469 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
470
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
471 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
472 (*current_liboctave_error_handler) ("sggev workspace query failed");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
473
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
474 lwork = static_cast<octave_idx_type> (dummy_work);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
475 Array<float> work (dim_vector (lwork, 1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
476 float *pwork = work.fortran_vec ();
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
477
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
478 F77_XFCN (sggev, SGGEV, (F77_CONST_CHAR_ARG2 ("N", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
479 F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
480 n, atmp_data, n, btmp_data, n,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
481 par, pai, pbeta,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
482 dummy, idummy, pvr, n,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
483 pwork, lwork, info
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
484 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
485 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
486
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
487 if (info < 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
488 (*current_liboctave_error_handler) ("unrecoverable error in sggev");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
489
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
490 if (info > 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
491 (*current_liboctave_error_handler) ("sggev failed to converge");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
492
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
493 lambda.resize (n);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
494 v.resize (nvr, nvr);
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
495
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
496 for (octave_idx_type j = 0; j < n; j++)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
497 {
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
498 if (ai.elem (j) == 0.0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
499 {
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
500 lambda.elem (j) = FloatComplex (ar.elem (j) / beta.elem (j));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
501 for (octave_idx_type i = 0; i < nvr; i++)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
502 v.elem (i, j) = vr.elem (i, j);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
503 }
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
504 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
505 {
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
506 if (j+1 >= n)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
507 (*current_liboctave_error_handler) ("EIG: internal error");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
508
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
509 lambda.elem (j) = FloatComplex (ar.elem (j) / beta.elem (j),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
510 ai.elem (j) / beta.elem (j));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
511 lambda.elem (j+1) = FloatComplex (ar.elem (j+1) / beta.elem (j+1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
512 ai.elem (j+1) / beta.elem (j+1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
513
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
514 for (octave_idx_type i = 0; i < nvr; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
515 {
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
516 float real_part = vr.elem (i, j);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
517 float imag_part = vr.elem (i, j+1);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
518 v.elem (i, j) = FloatComplex (real_part, imag_part);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
519 v.elem (i, j+1) = FloatComplex (real_part, -imag_part);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
520 }
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
521 j++;
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
522 }
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
523 }
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
524
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
525 return info;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
526 }
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
527
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
528 octave_idx_type
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
529 FloatEIG::symmetric_init (const FloatMatrix& a, const FloatMatrix& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
530 bool calc_ev)
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
531 {
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
532 octave_idx_type n = a.rows ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
533 octave_idx_type nb = b.rows ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
534
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
535 if (n != a.cols () || nb != b.cols ())
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
536 (*current_liboctave_error_handler) ("EIG requires square matrix");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
537
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
538 if (n != nb)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
539 (*current_liboctave_error_handler) ("EIG requires same size matrices");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
540
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
541 octave_idx_type info = 0;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
542
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
543 FloatMatrix atmp = a;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
544 float *atmp_data = atmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
545
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
546 FloatMatrix btmp = b;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
547 float *btmp_data = btmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
548
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
549 FloatColumnVector wr (n);
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
550 float *pwr = wr.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
551
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
552 octave_idx_type lwork = -1;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
553 float dummy_work;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
554
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
555 F77_XFCN (ssygv, SSYGV, (1, F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
556 F77_CONST_CHAR_ARG2 ("U", 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
557 n, atmp_data, n,
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
558 btmp_data, n,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
559 pwr, &dummy_work, lwork, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
560 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
561 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
562
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
563 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
564 (*current_liboctave_error_handler) ("ssygv workspace query failed");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
565
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
566 lwork = static_cast<octave_idx_type> (dummy_work);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
567 Array<float> work (dim_vector (lwork, 1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
568 float *pwork = work.fortran_vec ();
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
569
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
570 F77_XFCN (ssygv, SSYGV, (1, F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
571 F77_CONST_CHAR_ARG2 ("U", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
572 n, atmp_data, n,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
573 btmp_data, n,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
574 pwr, pwork, lwork, info
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
575 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
576 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
577
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
578 if (info < 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
579 (*current_liboctave_error_handler) ("unrecoverable error in ssygv");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
580
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
581 if (info > 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
582 (*current_liboctave_error_handler) ("ssygv failed to converge");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
583
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
584 lambda = FloatComplexColumnVector (wr);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
585 v = calc_ev ? FloatComplexMatrix (atmp) : FloatComplexMatrix ();
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
586
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
587 return info;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
588 }
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
589
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
590 octave_idx_type
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
591 FloatEIG::init (const FloatComplexMatrix& a, const FloatComplexMatrix& b,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
592 bool calc_ev)
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
593 {
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
594 if (a.any_element_is_inf_or_nan () || b.any_element_is_inf_or_nan ())
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
595 (*current_liboctave_error_handler)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
596 ("EIG: matrix contains Inf or NaN values");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
597
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
598 octave_idx_type n = a.rows ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
599 octave_idx_type nb = b.rows ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
600
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
601 if (n != a.cols () || nb != b.cols ())
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
602 (*current_liboctave_error_handler) ("EIG requires square matrix");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
603
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
604 if (n != nb)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
605 (*current_liboctave_error_handler) ("EIG requires same size matrices");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
606
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
607 octave_idx_type info = 0;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
608
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
609 FloatComplexMatrix tmp = b;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
610 FloatComplex *tmp_data = tmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
611
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
612 F77_XFCN (cpotrf, CPOTRF, (F77_CONST_CHAR_ARG2 ("L", 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
613 n, tmp_data, n,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
614 info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
615 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
616 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
617
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
618 if (a.is_hermitian () && b.is_hermitian () && info == 0)
20490
ff904ae0285b eig: Return correct solution for a pair of hermitian matrices (bug #45511)
Mike Miller <mtmiller@octave.org>
parents: 19697
diff changeset
619 return hermitian_init (a, b, calc_ev);
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
620
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
621 FloatComplexMatrix atmp = a;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
622 FloatComplex *atmp_data = atmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
623
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
624 FloatComplexMatrix btmp = b;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
625 FloatComplex *btmp_data = btmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
626
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
627 FloatComplexColumnVector alpha (n);
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
628 FloatComplex *palpha = alpha.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
629
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
630 FloatComplexColumnVector beta (n);
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
631 FloatComplex *pbeta = beta.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
632
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
633 octave_idx_type nvr = calc_ev ? n : 0;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
634 FloatComplexMatrix vtmp (nvr, nvr);
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
635 FloatComplex *pv = vtmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
636
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
637 octave_idx_type lwork = -1;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
638 FloatComplex dummy_work;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
639
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
640 octave_idx_type lrwork = 8*n;
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
641 Array<float> rwork (dim_vector (lrwork, 1));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
642 float *prwork = rwork.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
643
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
644 FloatComplex *dummy = 0;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
645 octave_idx_type idummy = 1;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
646
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
647 F77_XFCN (cggev, CGGEV, (F77_CONST_CHAR_ARG2 ("N", 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
648 F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
649 n, atmp_data, n, btmp_data, n,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
650 palpha, pbeta, dummy, idummy,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
651 pv, n, &dummy_work, lwork, prwork, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
652 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
653 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
654
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
655 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
656 (*current_liboctave_error_handler) ("cggev workspace query failed");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
657
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
658 lwork = static_cast<octave_idx_type> (dummy_work.real ());
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
659 Array<FloatComplex> work (dim_vector (lwork, 1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
660 FloatComplex *pwork = work.fortran_vec ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
661
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
662 F77_XFCN (cggev, CGGEV, (F77_CONST_CHAR_ARG2 ("N", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
663 F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
664 n, atmp_data, n, btmp_data, n,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
665 palpha, pbeta, dummy, idummy,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
666 pv, n, pwork, lwork, prwork, info
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
667 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
668 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
669
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
670 if (info < 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
671 (*current_liboctave_error_handler) ("unrecoverable error in cggev");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
672
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
673 if (info > 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
674 (*current_liboctave_error_handler) ("cggev failed to converge");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
675
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
676 lambda.resize (n);
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
677
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
678 for (octave_idx_type j = 0; j < n; j++)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
679 lambda.elem (j) = alpha.elem (j) / beta.elem (j);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
680
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
681 v = vtmp;
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
682
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
683 return info;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
684 }
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
685
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
686 octave_idx_type
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
687 FloatEIG::hermitian_init (const FloatComplexMatrix& a,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
688 const FloatComplexMatrix& b, bool calc_ev)
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
689 {
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
690 octave_idx_type n = a.rows ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
691 octave_idx_type nb = b.rows ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
692
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
693 if (n != a.cols () || nb != b.cols ())
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
694 (*current_liboctave_error_handler) ("EIG requires square matrix");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
695
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
696 if (n != nb)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
697 (*current_liboctave_error_handler) ("EIG requires same size matrices");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
698
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
699 octave_idx_type info = 0;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
700
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
701 FloatComplexMatrix atmp = a;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
702 FloatComplex *atmp_data = atmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
703
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
704 FloatComplexMatrix btmp = b;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
705 FloatComplex *btmp_data = btmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
706
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
707 FloatColumnVector wr (n);
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
708 float *pwr = wr.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
709
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
710 octave_idx_type lwork = -1;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
711 FloatComplex dummy_work;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
712
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
713 octave_idx_type lrwork = 3*n;
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
714 Array<float> rwork (dim_vector (lrwork, 1));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
715 float *prwork = rwork.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
716
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
717 F77_XFCN (chegv, CHEGV, (1, F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
718 F77_CONST_CHAR_ARG2 ("U", 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
719 n, atmp_data, n,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
720 btmp_data, n,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
721 pwr, &dummy_work, lwork,
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
722 prwork, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
723 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
724 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
725
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
726 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
727 (*current_liboctave_error_handler) ("zhegv workspace query failed");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
728
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
729 lwork = static_cast<octave_idx_type> (dummy_work.real ());
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
730 Array<FloatComplex> work (dim_vector (lwork, 1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
731 FloatComplex *pwork = work.fortran_vec ();
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
732
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
733 F77_XFCN (chegv, CHEGV, (1, F77_CONST_CHAR_ARG2 (calc_ev ? "V" : "N", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
734 F77_CONST_CHAR_ARG2 ("U", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
735 n, atmp_data, n,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
736 btmp_data, n,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
737 pwr, pwork, lwork, prwork, info
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
738 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
739 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
740
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
741 if (info < 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
742 (*current_liboctave_error_handler) ("unrecoverable error in zhegv");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
743
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
744 if (info > 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
745 (*current_liboctave_error_handler) ("zhegv failed to converge");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
746
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
747 lambda = FloatComplexColumnVector (wr);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
748 v = calc_ev ? FloatComplexMatrix (atmp) : FloatComplexMatrix ();
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
749
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
750 return info;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7789
diff changeset
751 }