Mercurial > octave-nkf
annotate libinterp/dldfcn/__eigs__.cc @ 17787:175b392e91fe
Use GNU style coding conventions for code in libinterp/
* libinterp/corefcn/Cell.h, libinterp/corefcn/__contourc__.cc,
libinterp/corefcn/__dispatch__.cc, libinterp/corefcn/__lin_interpn__.cc,
libinterp/corefcn/__pchip_deriv__.cc, libinterp/corefcn/__qp__.cc,
libinterp/corefcn/balance.cc, libinterp/corefcn/besselj.cc,
libinterp/corefcn/betainc.cc, libinterp/corefcn/bitfcns.cc,
libinterp/corefcn/bsxfun.cc, libinterp/corefcn/c-file-ptr-stream.cc,
libinterp/corefcn/c-file-ptr-stream.h, libinterp/corefcn/cellfun.cc,
libinterp/corefcn/colloc.cc, libinterp/corefcn/comment-list.h,
libinterp/corefcn/conv2.cc, libinterp/corefcn/daspk.cc,
libinterp/corefcn/dasrt.cc, libinterp/corefcn/dassl.cc,
libinterp/corefcn/data.cc, libinterp/corefcn/debug.cc,
libinterp/corefcn/defaults.cc, libinterp/corefcn/defaults.in.h,
libinterp/corefcn/defun-int.h, libinterp/corefcn/defun.cc,
libinterp/corefcn/det.cc, libinterp/corefcn/dirfns.cc,
libinterp/corefcn/display.cc, libinterp/corefcn/dlmread.cc,
libinterp/corefcn/dot.cc, libinterp/corefcn/dynamic-ld.cc,
libinterp/corefcn/dynamic-ld.h, libinterp/corefcn/eig.cc,
libinterp/corefcn/ellipj.cc, libinterp/corefcn/error.cc,
libinterp/corefcn/error.h, libinterp/corefcn/event-queue.h,
libinterp/corefcn/fft.cc, libinterp/corefcn/fft2.cc, libinterp/corefcn/fftn.cc,
libinterp/corefcn/file-io.cc, libinterp/corefcn/filter.cc,
libinterp/corefcn/find.cc, libinterp/corefcn/gammainc.cc,
libinterp/corefcn/gcd.cc, libinterp/corefcn/getgrent.cc,
libinterp/corefcn/getpwent.cc, libinterp/corefcn/getrusage.cc,
libinterp/corefcn/givens.cc, libinterp/corefcn/gl-render.cc,
libinterp/corefcn/gl2ps-renderer.cc, libinterp/corefcn/gl2ps-renderer.h,
libinterp/corefcn/graphics.cc, libinterp/corefcn/graphics.in.h,
libinterp/corefcn/gripes.cc, libinterp/corefcn/gripes.h,
libinterp/corefcn/help.cc, libinterp/corefcn/hess.cc,
libinterp/corefcn/hex2num.cc, libinterp/corefcn/input.cc,
libinterp/corefcn/input.h, libinterp/corefcn/inv.cc,
libinterp/corefcn/jit-ir.h, libinterp/corefcn/jit-typeinfo.cc,
libinterp/corefcn/jit-typeinfo.h, libinterp/corefcn/jit-util.h,
libinterp/corefcn/kron.cc, libinterp/corefcn/load-path.cc,
libinterp/corefcn/load-path.h, libinterp/corefcn/load-save.cc,
libinterp/corefcn/load-save.h, libinterp/corefcn/lookup.cc,
libinterp/corefcn/ls-ascii-helper.cc, libinterp/corefcn/ls-hdf5.cc,
libinterp/corefcn/ls-hdf5.h, libinterp/corefcn/ls-mat-ascii.cc,
libinterp/corefcn/ls-mat-ascii.h, libinterp/corefcn/ls-mat4.cc,
libinterp/corefcn/ls-mat5.cc, libinterp/corefcn/ls-mat5.h,
libinterp/corefcn/ls-oct-ascii.cc, libinterp/corefcn/lsode.cc,
libinterp/corefcn/lu.cc, libinterp/corefcn/luinc.cc,
libinterp/corefcn/mappers.cc, libinterp/corefcn/matrix_type.cc,
libinterp/corefcn/max.cc, libinterp/corefcn/md5sum.cc,
libinterp/corefcn/mex.cc, libinterp/corefcn/mexproto.h,
libinterp/corefcn/mgorth.cc, libinterp/corefcn/mxarray.in.h,
libinterp/corefcn/nproc.cc, libinterp/corefcn/oct-hist.cc,
libinterp/corefcn/oct-lvalue.h, libinterp/corefcn/oct-map.cc,
libinterp/corefcn/oct-map.h, libinterp/corefcn/oct-obj.h,
libinterp/corefcn/oct-prcstrm.h, libinterp/corefcn/oct-stdstrm.h,
libinterp/corefcn/oct-stream.cc, libinterp/corefcn/oct-stream.h,
libinterp/corefcn/octave-link.cc, libinterp/corefcn/octave-link.h,
libinterp/corefcn/pager.cc, libinterp/corefcn/pinv.cc,
libinterp/corefcn/pr-output.cc, libinterp/corefcn/procstream.h,
libinterp/corefcn/profiler.cc, libinterp/corefcn/pt-jit.cc,
libinterp/corefcn/pt-jit.h, libinterp/corefcn/quad.cc,
libinterp/corefcn/quadcc.cc, libinterp/corefcn/qz.cc,
libinterp/corefcn/rand.cc, libinterp/corefcn/rcond.cc,
libinterp/corefcn/regexp.cc, libinterp/corefcn/schur.cc,
libinterp/corefcn/sighandlers.cc, libinterp/corefcn/sighandlers.h,
libinterp/corefcn/sparse-xdiv.cc, libinterp/corefcn/sparse-xdiv.h,
libinterp/corefcn/sparse-xpow.cc, libinterp/corefcn/sparse.cc,
libinterp/corefcn/spparms.cc, libinterp/corefcn/sqrtm.cc,
libinterp/corefcn/str2double.cc, libinterp/corefcn/strfind.cc,
libinterp/corefcn/strfns.cc, libinterp/corefcn/sub2ind.cc,
libinterp/corefcn/svd.cc, libinterp/corefcn/syl.cc,
libinterp/corefcn/symtab.cc, libinterp/corefcn/symtab.h,
libinterp/corefcn/syscalls.cc, libinterp/corefcn/sysdep.cc,
libinterp/corefcn/sysdep.h, libinterp/corefcn/time.cc,
libinterp/corefcn/toplev.cc, libinterp/corefcn/toplev.h,
libinterp/corefcn/tril.cc, libinterp/corefcn/txt-eng-ft.cc,
libinterp/corefcn/txt-eng-ft.h, libinterp/corefcn/txt-eng.h,
libinterp/corefcn/typecast.cc, libinterp/corefcn/urlwrite.cc,
libinterp/corefcn/utils.cc, libinterp/corefcn/variables.cc,
libinterp/corefcn/variables.h, libinterp/corefcn/xdiv.cc,
libinterp/corefcn/xdiv.h, libinterp/corefcn/xnorm.h, libinterp/corefcn/xpow.cc,
libinterp/corefcn/xpow.h, libinterp/corefcn/zfstream.cc,
libinterp/corefcn/zfstream.h, libinterp/dldfcn/__delaunayn__.cc,
libinterp/dldfcn/__dsearchn__.cc, libinterp/dldfcn/__eigs__.cc,
libinterp/dldfcn/__fltk_uigetfile__.cc, libinterp/dldfcn/__glpk__.cc,
libinterp/dldfcn/__init_fltk__.cc, libinterp/dldfcn/__init_gnuplot__.cc,
libinterp/dldfcn/__magick_read__.cc, libinterp/dldfcn/__voronoi__.cc,
libinterp/dldfcn/amd.cc, libinterp/dldfcn/ccolamd.cc, libinterp/dldfcn/chol.cc,
libinterp/dldfcn/colamd.cc, libinterp/dldfcn/convhulln.cc,
libinterp/dldfcn/dmperm.cc, libinterp/dldfcn/fftw.cc, libinterp/dldfcn/qr.cc,
libinterp/dldfcn/symbfact.cc, libinterp/dldfcn/symrcm.cc,
libinterp/dldfcn/tsearch.cc, libinterp/octave-value/ov-base-diag.cc,
libinterp/octave-value/ov-base-diag.h, libinterp/octave-value/ov-base-int.cc,
libinterp/octave-value/ov-base-int.h, libinterp/octave-value/ov-base-mat.h,
libinterp/octave-value/ov-base-scalar.cc,
libinterp/octave-value/ov-base-scalar.h,
libinterp/octave-value/ov-base-sparse.cc,
libinterp/octave-value/ov-base-sparse.h, libinterp/octave-value/ov-base.cc,
libinterp/octave-value/ov-base.h, libinterp/octave-value/ov-bool-mat.cc,
libinterp/octave-value/ov-bool-mat.h, libinterp/octave-value/ov-bool-sparse.cc,
libinterp/octave-value/ov-bool-sparse.h, libinterp/octave-value/ov-bool.cc,
libinterp/octave-value/ov-bool.h, libinterp/octave-value/ov-builtin.cc,
libinterp/octave-value/ov-builtin.h, libinterp/octave-value/ov-cell.cc,
libinterp/octave-value/ov-cell.h, libinterp/octave-value/ov-ch-mat.cc,
libinterp/octave-value/ov-ch-mat.h, libinterp/octave-value/ov-class.cc,
libinterp/octave-value/ov-class.h, libinterp/octave-value/ov-colon.h,
libinterp/octave-value/ov-complex.cc, libinterp/octave-value/ov-complex.h,
libinterp/octave-value/ov-cx-diag.cc, libinterp/octave-value/ov-cx-diag.h,
libinterp/octave-value/ov-cx-mat.cc, libinterp/octave-value/ov-cx-mat.h,
libinterp/octave-value/ov-cx-sparse.cc, libinterp/octave-value/ov-cx-sparse.h,
libinterp/octave-value/ov-dld-fcn.h, libinterp/octave-value/ov-fcn-handle.cc,
libinterp/octave-value/ov-fcn-handle.h,
libinterp/octave-value/ov-fcn-inline.cc,
libinterp/octave-value/ov-fcn-inline.h, libinterp/octave-value/ov-fcn.h,
libinterp/octave-value/ov-float.cc, libinterp/octave-value/ov-float.h,
libinterp/octave-value/ov-flt-complex.cc,
libinterp/octave-value/ov-flt-complex.h,
libinterp/octave-value/ov-flt-cx-diag.cc,
libinterp/octave-value/ov-flt-cx-diag.h,
libinterp/octave-value/ov-flt-cx-mat.cc,
libinterp/octave-value/ov-flt-cx-mat.h,
libinterp/octave-value/ov-flt-re-diag.cc,
libinterp/octave-value/ov-flt-re-diag.h,
libinterp/octave-value/ov-flt-re-mat.cc,
libinterp/octave-value/ov-flt-re-mat.h, libinterp/octave-value/ov-int16.cc,
libinterp/octave-value/ov-int32.cc, libinterp/octave-value/ov-int64.cc,
libinterp/octave-value/ov-int8.cc, libinterp/octave-value/ov-intx.h,
libinterp/octave-value/ov-java.cc, libinterp/octave-value/ov-lazy-idx.h,
libinterp/octave-value/ov-mex-fcn.cc, libinterp/octave-value/ov-mex-fcn.h,
libinterp/octave-value/ov-null-mat.cc, libinterp/octave-value/ov-null-mat.h,
libinterp/octave-value/ov-oncleanup.cc, libinterp/octave-value/ov-perm.cc,
libinterp/octave-value/ov-perm.h, libinterp/octave-value/ov-range.cc,
libinterp/octave-value/ov-range.h, libinterp/octave-value/ov-re-diag.cc,
libinterp/octave-value/ov-re-diag.h, libinterp/octave-value/ov-re-mat.cc,
libinterp/octave-value/ov-re-mat.h, libinterp/octave-value/ov-re-sparse.cc,
libinterp/octave-value/ov-re-sparse.h, libinterp/octave-value/ov-scalar.cc,
libinterp/octave-value/ov-scalar.h, libinterp/octave-value/ov-str-mat.cc,
libinterp/octave-value/ov-str-mat.h, libinterp/octave-value/ov-struct.cc,
libinterp/octave-value/ov-struct.h, libinterp/octave-value/ov-type-conv.h,
libinterp/octave-value/ov-typeinfo.cc, libinterp/octave-value/ov-typeinfo.h,
libinterp/octave-value/ov-uint16.cc, libinterp/octave-value/ov-uint32.cc,
libinterp/octave-value/ov-uint64.cc, libinterp/octave-value/ov-uint8.cc,
libinterp/octave-value/ov-usr-fcn.cc, libinterp/octave-value/ov-usr-fcn.h,
libinterp/octave-value/ov.cc, libinterp/octave-value/ov.h, libinterp/octave.cc,
libinterp/operators/op-b-bm.cc, libinterp/operators/op-b-sbm.cc,
libinterp/operators/op-bm-b.cc, libinterp/operators/op-bm-bm.cc,
libinterp/operators/op-cdm-cdm.cc, libinterp/operators/op-chm.cc,
libinterp/operators/op-class.cc, libinterp/operators/op-cm-cm.cc,
libinterp/operators/op-cm-cs.cc, libinterp/operators/op-cm-s.cc,
libinterp/operators/op-cm-scm.cc, libinterp/operators/op-cm-sm.cc,
libinterp/operators/op-cs-cm.cc, libinterp/operators/op-cs-cs.cc,
libinterp/operators/op-cs-scm.cc, libinterp/operators/op-cs-sm.cc,
libinterp/operators/op-dm-dm.cc, libinterp/operators/op-dm-scm.cc,
libinterp/operators/op-double-conv.cc, libinterp/operators/op-fcdm-fcdm.cc,
libinterp/operators/op-fcm-fcm.cc, libinterp/operators/op-fcm-fcs.cc,
libinterp/operators/op-fcm-fm.cc, libinterp/operators/op-fcm-fs.cc,
libinterp/operators/op-fcs-fcm.cc, libinterp/operators/op-fcs-fcs.cc,
libinterp/operators/op-fcs-fm.cc, libinterp/operators/op-fcs-fs.cc,
libinterp/operators/op-fdm-fdm.cc, libinterp/operators/op-float-conv.cc,
libinterp/operators/op-fm-fcm.cc, libinterp/operators/op-fm-fcs.cc,
libinterp/operators/op-fm-fm.cc, libinterp/operators/op-fm-fs.cc,
libinterp/operators/op-fs-fcm.cc, libinterp/operators/op-fs-fcs.cc,
libinterp/operators/op-fs-fm.cc, libinterp/operators/op-fs-fs.cc,
libinterp/operators/op-m-cm.cc, libinterp/operators/op-m-cs.cc,
libinterp/operators/op-m-m.cc, libinterp/operators/op-m-s.cc,
libinterp/operators/op-m-scm.cc, libinterp/operators/op-m-sm.cc,
libinterp/operators/op-pm-scm.cc, libinterp/operators/op-range.cc,
libinterp/operators/op-s-cm.cc, libinterp/operators/op-s-cs.cc,
libinterp/operators/op-s-scm.cc, libinterp/operators/op-sbm-b.cc,
libinterp/operators/op-sbm-bm.cc, libinterp/operators/op-sbm-sbm.cc,
libinterp/operators/op-scm-cm.cc, libinterp/operators/op-scm-cs.cc,
libinterp/operators/op-scm-m.cc, libinterp/operators/op-scm-s.cc,
libinterp/operators/op-scm-scm.cc, libinterp/operators/op-scm-sm.cc,
libinterp/operators/op-sm-cm.cc, libinterp/operators/op-sm-m.cc,
libinterp/operators/op-sm-s.cc, libinterp/operators/op-sm-scm.cc,
libinterp/operators/op-sm-sm.cc, libinterp/operators/op-str-m.cc,
libinterp/operators/op-str-s.cc, libinterp/operators/op-str-str.cc,
libinterp/operators/ops.h, libinterp/parse-tree/lex.h,
libinterp/parse-tree/parse.h, libinterp/parse-tree/pt-arg-list.cc,
libinterp/parse-tree/pt-arg-list.h, libinterp/parse-tree/pt-assign.cc,
libinterp/parse-tree/pt-assign.h, libinterp/parse-tree/pt-binop.cc,
libinterp/parse-tree/pt-binop.h, libinterp/parse-tree/pt-bp.h,
libinterp/parse-tree/pt-cbinop.cc, libinterp/parse-tree/pt-check.cc,
libinterp/parse-tree/pt-colon.cc, libinterp/parse-tree/pt-colon.h,
libinterp/parse-tree/pt-const.cc, libinterp/parse-tree/pt-decl.cc,
libinterp/parse-tree/pt-decl.h, libinterp/parse-tree/pt-eval.cc,
libinterp/parse-tree/pt-except.h, libinterp/parse-tree/pt-exp.h,
libinterp/parse-tree/pt-fcn-handle.cc, libinterp/parse-tree/pt-id.cc,
libinterp/parse-tree/pt-id.h, libinterp/parse-tree/pt-idx.cc,
libinterp/parse-tree/pt-idx.h, libinterp/parse-tree/pt-loop.h,
libinterp/parse-tree/pt-mat.cc, libinterp/parse-tree/pt-misc.cc,
libinterp/parse-tree/pt-misc.h, libinterp/parse-tree/pt-pr-code.cc,
libinterp/parse-tree/pt-select.h, libinterp/parse-tree/pt-stmt.h,
libinterp/parse-tree/token.h, libinterp/version.cc:
Use GNU style coding conventions for code in libinterp/
author | Rik <rik@octave.org> |
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date | Mon, 28 Oct 2013 19:51:46 -0700 |
parents | d63878346099 |
children | 6825522c25e4 446c46af4b42 |
rev | line source |
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8417
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1 /* |
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2 |
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John W. Eaton <jwe@octave.org>
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3 Copyright (C) 2005-2013 David Bateman |
8417
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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 "ov.h" |
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28 #include "defun-dld.h" |
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29 #include "error.h" |
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30 #include "gripes.h" |
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31 #include "quit.h" |
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32 #include "variables.h" |
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33 #include "ov-re-sparse.h" |
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34 #include "ov-cx-sparse.h" |
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35 #include "oct-map.h" |
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36 #include "pager.h" |
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37 #include "unwind-prot.h" |
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38 |
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39 #include "eigs-base.cc" |
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40 |
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41 // Global pointer for user defined function. |
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42 static octave_function *eigs_fcn = 0; |
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43 |
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44 // Have we warned about imaginary values returned from user function? |
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45 static bool warned_imaginary = false; |
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46 |
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47 // Is this a recursive call? |
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48 static int call_depth = 0; |
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49 |
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50 ColumnVector |
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51 eigs_func (const ColumnVector &x, int &eigs_error) |
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52 { |
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53 ColumnVector retval; |
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54 octave_value_list args; |
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55 args(0) = x; |
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56 |
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57 if (eigs_fcn) |
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58 { |
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59 octave_value_list tmp = eigs_fcn->do_multi_index_op (1, args); |
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60 |
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61 if (error_state) |
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62 { |
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63 eigs_error = 1; |
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64 gripe_user_supplied_eval ("eigs"); |
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65 return retval; |
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66 } |
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67 |
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68 if (tmp.length () && tmp(0).is_defined ()) |
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69 { |
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70 if (! warned_imaginary && tmp(0).is_complex_type ()) |
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71 { |
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72 warning ("eigs: ignoring imaginary part returned from user-supplied function"); |
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73 warned_imaginary = true; |
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74 } |
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75 |
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76 retval = ColumnVector (tmp(0).vector_value ()); |
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77 |
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78 if (error_state) |
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79 { |
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80 eigs_error = 1; |
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81 gripe_user_supplied_eval ("eigs"); |
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82 } |
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83 } |
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84 else |
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85 { |
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86 eigs_error = 1; |
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87 gripe_user_supplied_eval ("eigs"); |
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88 } |
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89 } |
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90 |
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91 return retval; |
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92 } |
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93 |
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94 ComplexColumnVector |
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95 eigs_complex_func (const ComplexColumnVector &x, int &eigs_error) |
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96 { |
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97 ComplexColumnVector retval; |
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98 octave_value_list args; |
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99 args(0) = x; |
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100 |
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101 if (eigs_fcn) |
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102 { |
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103 octave_value_list tmp = eigs_fcn->do_multi_index_op (1, args); |
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104 |
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105 if (error_state) |
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106 { |
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107 eigs_error = 1; |
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108 gripe_user_supplied_eval ("eigs"); |
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109 return retval; |
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110 } |
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111 |
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112 if (tmp.length () && tmp(0).is_defined ()) |
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113 { |
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114 retval = ComplexColumnVector (tmp(0).complex_vector_value ()); |
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115 |
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116 if (error_state) |
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117 { |
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118 eigs_error = 1; |
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119 gripe_user_supplied_eval ("eigs"); |
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120 } |
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121 } |
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122 else |
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123 { |
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124 eigs_error = 1; |
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125 gripe_user_supplied_eval ("eigs"); |
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126 } |
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127 } |
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128 |
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129 return retval; |
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130 } |
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131 |
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132 DEFUN_DLD (__eigs__, args, nargout, |
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133 "-*- texinfo -*-\n\ |
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134 @deftypefn {Loadable Function} {@var{d} =} __eigs__ (@var{A})\n\ |
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135 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{A}, @var{k})\n\ |
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136 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{A}, @var{k}, @var{sigma})\n\ |
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137 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{A}, @var{k}, @var{sigma}, @var{opts})\n\ |
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138 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{A}, @var{B})\n\ |
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139 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{A}, @var{B}, @var{k})\n\ |
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140 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{A}, @var{B}, @var{k}, @var{sigma})\n\ |
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141 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{A}, @var{B}, @var{k}, @var{sigma}, @var{opts})\n\ |
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142 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{af}, @var{n})\n\ |
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143 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B})\n\ |
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144 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k})\n\ |
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145 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k})\n\ |
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146 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k}, @var{sigma})\n\ |
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147 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k}, @var{sigma})\n\ |
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148 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k}, @var{sigma}, @var{opts})\n\ |
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149 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k}, @var{sigma}, @var{opts})\n\ |
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150 @deftypefnx {Loadable Function} {[@var{V}, @var{d}] =} __eigs__ (@var{A}, @dots{})\n\ |
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151 @deftypefnx {Loadable Function} {[@var{V}, @var{d}] =} __eigs__ (@var{af}, @var{n}, @dots{})\n\ |
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152 @deftypefnx {Loadable Function} {[@var{V}, @var{d}, @var{flag}] =} __eigs__ (@var{A}, @dots{})\n\ |
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153 @deftypefnx {Loadable Function} {[@var{V}, @var{d}, @var{flag}] =} __eigs__ (@var{af}, @var{n}, @dots{})\n\ |
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154 Undocumented internal function.\n\ |
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155 @end deftypefn") |
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156 { |
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157 octave_value_list retval; |
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158 #ifdef HAVE_ARPACK |
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159 int nargin = args.length (); |
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160 std::string fcn_name; |
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161 octave_idx_type n = 0; |
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162 octave_idx_type k = 6; |
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163 Complex sigma = 0.; |
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164 double sigmar, sigmai; |
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165 bool have_sigma = false; |
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166 std::string typ = "LM"; |
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167 Matrix amm, bmm, bmt; |
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168 ComplexMatrix acm, bcm, bct; |
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169 SparseMatrix asmm, bsmm, bsmt; |
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170 SparseComplexMatrix ascm, bscm, bsct; |
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171 int b_arg = 0; |
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172 bool have_b = false; |
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173 bool have_a_fun = false; |
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174 bool a_is_complex = false; |
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175 bool b_is_complex = false; |
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176 bool symmetric = false; |
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177 bool sym_tested = false; |
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178 bool cholB = false; |
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179 bool a_is_sparse = false; |
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180 ColumnVector permB; |
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181 int arg_offset = 0; |
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182 double tol = std::numeric_limits<double>::epsilon (); |
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183 int maxit = 300; |
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184 int disp = 0; |
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185 octave_idx_type p = -1; |
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186 ColumnVector resid; |
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187 ComplexColumnVector cresid; |
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188 octave_idx_type info = 1; |
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189 |
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190 warned_imaginary = false; |
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191 |
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192 unwind_protect frame; |
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193 |
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194 frame.protect_var (call_depth); |
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195 call_depth++; |
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196 |
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197 if (call_depth > 1) |
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198 { |
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199 error ("eigs: invalid recursive call"); |
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200 if (fcn_name.length ()) |
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201 clear_function (fcn_name); |
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202 return retval; |
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203 } |
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204 |
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205 if (nargin == 0) |
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206 print_usage (); |
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207 else if (args(0).is_function_handle () || args(0).is_inline_function () |
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208 || args(0).is_string ()) |
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209 { |
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210 if (args(0).is_string ()) |
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211 { |
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212 std::string name = args(0).string_value (); |
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213 std::string fname = "function y = "; |
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214 fcn_name = unique_symbol_name ("__eigs_fcn_"); |
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215 fname.append (fcn_name); |
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216 fname.append ("(x) y = "); |
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217 eigs_fcn = extract_function (args(0), "eigs", fcn_name, fname, |
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218 "; endfunction"); |
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219 } |
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220 else |
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221 eigs_fcn = args(0).function_value (); |
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222 |
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223 if (!eigs_fcn) |
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224 { |
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225 error ("eigs: unknown function"); |
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226 return retval; |
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227 } |
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228 |
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229 if (nargin < 2) |
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230 { |
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231 error ("eigs: incorrect number of arguments"); |
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232 return retval; |
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233 } |
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234 else |
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235 { |
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236 n = args(1).nint_value (); |
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237 arg_offset = 1; |
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238 have_a_fun = true; |
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239 } |
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240 } |
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241 else |
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242 { |
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243 if (args(0).is_complex_type ()) |
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244 { |
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245 if (args(0).is_sparse_type ()) |
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246 { |
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247 ascm = (args(0).sparse_complex_matrix_value ()); |
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248 a_is_sparse = true; |
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249 } |
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250 else |
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251 acm = (args(0).complex_matrix_value ()); |
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252 a_is_complex = true; |
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253 symmetric = false; // ARPACK doesn't special case complex symmetric |
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254 sym_tested = true; |
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255 } |
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256 else |
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257 { |
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258 if (args(0).is_sparse_type ()) |
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259 { |
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260 asmm = (args(0).sparse_matrix_value ()); |
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261 a_is_sparse = true; |
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262 } |
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263 else |
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264 { |
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265 amm = (args(0).matrix_value ()); |
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266 } |
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267 } |
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268 |
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269 } |
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270 |
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271 // Note hold off reading B till later to avoid issues of double |
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272 // copies of the matrix if B is full/real while A is complex. |
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273 if (!error_state && nargin > 1 + arg_offset && |
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274 !(args(1 + arg_offset).is_real_scalar ())) |
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275 { |
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276 if (args(1+arg_offset).is_complex_type ()) |
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277 { |
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278 b_arg = 1+arg_offset; |
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279 have_b = true; |
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280 b_is_complex = true; |
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281 arg_offset++; |
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282 } |
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283 else |
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284 { |
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285 b_arg = 1+arg_offset; |
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286 have_b = true; |
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287 arg_offset++; |
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288 } |
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289 } |
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290 |
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291 if (!error_state && nargin > (1+arg_offset)) |
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292 k = args(1+arg_offset).nint_value (); |
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293 |
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294 if (!error_state && nargin > (2+arg_offset)) |
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295 { |
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296 if (args(2+arg_offset).is_string ()) |
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297 { |
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298 typ = args(2+arg_offset).string_value (); |
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299 |
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300 // Use STL function to convert to upper case |
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301 transform (typ.begin (), typ.end (), typ.begin (), toupper); |
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302 |
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303 sigma = 0.; |
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304 } |
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305 else |
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306 { |
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307 sigma = args(2+arg_offset).complex_value (); |
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308 |
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309 if (! error_state) |
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310 have_sigma = true; |
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311 else |
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312 { |
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313 error ("eigs: SIGMA must be a scalar or a string"); |
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314 return retval; |
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315 } |
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316 } |
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317 } |
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318 |
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319 sigmar = std::real (sigma); |
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320 sigmai = std::imag (sigma); |
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321 |
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322 if (!error_state && nargin > (3+arg_offset)) |
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323 { |
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324 if (args(3+arg_offset).is_map ()) |
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325 { |
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326 octave_scalar_map map = args(3+arg_offset).scalar_map_value (); |
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327 |
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328 if (! error_state) |
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329 { |
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330 octave_value tmp; |
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331 |
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332 // issym is ignored for complex matrix inputs |
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333 tmp = map.getfield ("issym"); |
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334 if (tmp.is_defined () && !sym_tested) |
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335 { |
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336 symmetric = tmp.double_value () != 0.; |
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337 sym_tested = true; |
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338 } |
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339 |
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340 // isreal is ignored if A is not a function |
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341 tmp = map.getfield ("isreal"); |
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342 if (tmp.is_defined () && have_a_fun) |
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343 a_is_complex = ! (tmp.double_value () != 0.); |
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344 |
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345 tmp = map.getfield ("tol"); |
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346 if (tmp.is_defined ()) |
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347 tol = tmp.double_value (); |
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348 |
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349 tmp = map.getfield ("maxit"); |
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350 if (tmp.is_defined ()) |
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351 maxit = tmp.nint_value (); |
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352 |
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353 tmp = map.getfield ("p"); |
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354 if (tmp.is_defined ()) |
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355 p = tmp.nint_value (); |
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356 |
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357 tmp = map.getfield ("v0"); |
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358 if (tmp.is_defined ()) |
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359 { |
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360 if (a_is_complex || b_is_complex) |
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361 cresid = ComplexColumnVector (tmp.complex_vector_value ()); |
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362 else |
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363 resid = ColumnVector (tmp.vector_value ()); |
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364 } |
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365 |
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366 tmp = map.getfield ("disp"); |
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367 if (tmp.is_defined ()) |
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368 disp = tmp.nint_value (); |
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369 |
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370 tmp = map.getfield ("cholB"); |
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371 if (tmp.is_defined ()) |
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372 cholB = tmp.double_value () != 0.; |
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373 |
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374 tmp = map.getfield ("permB"); |
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375 if (tmp.is_defined ()) |
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376 permB = ColumnVector (tmp.vector_value ()) - 1.0; |
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377 } |
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378 else |
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379 { |
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380 error ("eigs: OPTS argument must be a scalar structure"); |
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381 return retval; |
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382 } |
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383 } |
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384 else |
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385 { |
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386 error ("eigs: OPTS argument must be a structure"); |
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387 return retval; |
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388 } |
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389 } |
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390 |
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391 if (nargin > (4+arg_offset)) |
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392 { |
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393 error ("eigs: incorrect number of arguments"); |
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394 return retval; |
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395 } |
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396 |
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397 // Test undeclared (no issym) matrix inputs for symmetry |
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398 if (!sym_tested && !have_a_fun) |
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399 { |
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400 if (a_is_sparse) |
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401 symmetric = asmm.is_symmetric (); |
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402 else |
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403 symmetric = amm.is_symmetric (); |
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|
404 } |
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|
405 |
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406 if (have_b) |
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407 { |
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|
408 if (a_is_complex || b_is_complex) |
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409 { |
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410 if (a_is_sparse) |
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411 bscm = args(b_arg).sparse_complex_matrix_value (); |
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412 else |
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413 bcm = args(b_arg).complex_matrix_value (); |
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414 } |
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415 else |
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416 { |
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417 if (a_is_sparse) |
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418 bsmm = args(b_arg).sparse_matrix_value (); |
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419 else |
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420 bmm = args(b_arg).matrix_value (); |
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421 } |
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422 } |
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|
423 |
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424 // Mode 1 for SM mode seems unstable for some reason. |
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425 // Use Mode 3 instead, with sigma = 0. |
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426 if (!error_state && !have_sigma && typ == "SM") |
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Add the eigs and svds functions
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427 have_sigma = true; |
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428 |
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429 if (!error_state) |
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430 { |
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431 octave_idx_type nconv; |
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432 if (a_is_complex || b_is_complex) |
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433 { |
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434 ComplexMatrix eig_vec; |
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435 ComplexColumnVector eig_val; |
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|
436 |
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|
437 |
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438 if (have_a_fun) |
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439 nconv = EigsComplexNonSymmetricFunc |
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440 (eigs_complex_func, n, typ, sigma, k, p, info, eig_vec, |
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441 eig_val, cresid, octave_stdout, tol, (nargout > 1), cholB, |
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442 disp, maxit); |
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443 else if (have_sigma) |
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444 { |
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445 if (a_is_sparse) |
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446 nconv = EigsComplexNonSymmetricMatrixShift |
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447 (ascm, sigma, k, p, info, eig_vec, eig_val, bscm, permB, |
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448 cresid, octave_stdout, tol, (nargout > 1), cholB, disp, |
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449 maxit); |
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|
450 else |
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|
451 nconv = EigsComplexNonSymmetricMatrixShift |
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452 (acm, sigma, k, p, info, eig_vec, eig_val, bcm, permB, |
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453 cresid, octave_stdout, tol, (nargout > 1), cholB, disp, |
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|
454 maxit); |
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|
455 } |
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|
456 else |
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|
457 { |
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|
458 if (a_is_sparse) |
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|
459 nconv = EigsComplexNonSymmetricMatrix |
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|
460 (ascm, typ, k, p, info, eig_vec, eig_val, bscm, permB, |
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|
461 cresid, octave_stdout, tol, (nargout > 1), cholB, disp, |
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|
462 maxit); |
10154
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|
463 else |
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|
464 nconv = EigsComplexNonSymmetricMatrix |
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|
465 (acm, typ, k, p, info, eig_vec, eig_val, bcm, permB, |
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|
466 cresid, octave_stdout, tol, (nargout > 1), cholB, disp, |
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|
467 maxit); |
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|
468 } |
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|
469 |
10154
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|
470 if (nargout < 2) |
14844
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14501
diff
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|
471 retval(0) = eig_val; |
10154
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|
472 else |
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diff
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|
473 { |
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|
474 retval(2) = double (info); |
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|
475 retval(1) = ComplexDiagMatrix (eig_val); |
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|
476 retval(0) = eig_vec; |
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diff
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|
477 } |
40dfc0c99116
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diff
changeset
|
478 } |
8417
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Add the eigs and svds functions
David Bateman <dbateman@free.fr>
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diff
changeset
|
479 else if (sigmai != 0.) |
10154
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|
480 { |
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diff
changeset
|
481 // Promote real problem to a complex one. |
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|
482 ComplexMatrix eig_vec; |
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diff
changeset
|
483 ComplexColumnVector eig_val; |
8417
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Add the eigs and svds functions
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diff
changeset
|
484 |
10154
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John W. Eaton <jwe@octave.org>
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changeset
|
485 if (have_a_fun) |
11586
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diff
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|
486 nconv = EigsComplexNonSymmetricFunc |
17787
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Rik <rik@octave.org>
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diff
changeset
|
487 (eigs_complex_func, n, typ, sigma, k, p, info, eig_vec, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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changeset
|
488 eig_val, cresid, octave_stdout, tol, (nargout > 1), cholB, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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diff
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|
489 disp, maxit); |
10154
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|
490 else |
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diff
changeset
|
491 { |
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diff
changeset
|
492 if (a_is_sparse) |
11586
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diff
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|
493 nconv = EigsComplexNonSymmetricMatrixShift |
17787
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diff
changeset
|
494 (SparseComplexMatrix (asmm), sigma, k, p, info, eig_vec, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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17744
diff
changeset
|
495 eig_val, SparseComplexMatrix (bsmm), permB, cresid, |
175b392e91fe
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diff
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|
496 octave_stdout, tol, (nargout > 1), cholB, disp, maxit); |
10154
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diff
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|
497 else |
11586
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11553
diff
changeset
|
498 nconv = EigsComplexNonSymmetricMatrixShift |
17787
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Use GNU style coding conventions for code in libinterp/
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17744
diff
changeset
|
499 (ComplexMatrix (amm), sigma, k, p, info, eig_vec, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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17744
diff
changeset
|
500 eig_val, ComplexMatrix (bmm), permB, cresid, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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17744
diff
changeset
|
501 octave_stdout, tol, (nargout > 1), cholB, disp, maxit); |
10154
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changeset
|
502 } |
8417
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Add the eigs and svds functions
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diff
changeset
|
503 |
10154
40dfc0c99116
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10066
diff
changeset
|
504 if (nargout < 2) |
14844
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maint: Use Octave coding conventions for cuddled parenthesis in retval assignments.
Rik <octave@nomad.inbox5.com>
parents:
14501
diff
changeset
|
505 retval(0) = eig_val; |
10154
40dfc0c99116
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diff
changeset
|
506 else |
40dfc0c99116
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10066
diff
changeset
|
507 { |
40dfc0c99116
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diff
changeset
|
508 retval(2) = double (info); |
40dfc0c99116
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diff
changeset
|
509 retval(1) = ComplexDiagMatrix (eig_val); |
40dfc0c99116
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diff
changeset
|
510 retval(0) = eig_vec; |
40dfc0c99116
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10066
diff
changeset
|
511 } |
40dfc0c99116
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10066
diff
changeset
|
512 } |
8417
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Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
513 else |
10154
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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10066
diff
changeset
|
514 { |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
515 if (symmetric) |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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10066
diff
changeset
|
516 { |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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10066
diff
changeset
|
517 Matrix eig_vec; |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
518 ColumnVector eig_val; |
8417
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
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diff
changeset
|
519 |
10154
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John W. Eaton <jwe@octave.org>
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changeset
|
520 if (have_a_fun) |
11586
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changeset
|
521 nconv = EigsRealSymmetricFunc |
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522 (eigs_func, n, typ, sigmar, k, p, info, eig_vec, |
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523 eig_val, resid, octave_stdout, tol, (nargout > 1), |
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Use GNU style coding conventions for code in libinterp/
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|
524 cholB, disp, maxit); |
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|
525 else if (have_sigma) |
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|
526 { |
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|
527 if (a_is_sparse) |
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strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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|
528 nconv = EigsRealSymmetricMatrixShift |
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529 (asmm, sigmar, k, p, info, eig_vec, eig_val, bsmm, |
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530 permB, resid, octave_stdout, tol, (nargout > 1), |
175b392e91fe
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changeset
|
531 cholB, disp, maxit); |
10154
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|
532 else |
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|
533 nconv = EigsRealSymmetricMatrixShift |
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|
534 (amm, sigmar, k, p, info, eig_vec, eig_val, bmm, |
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changeset
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535 permB, resid, octave_stdout, tol, (nargout > 1), |
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Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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|
536 cholB, disp, maxit); |
10154
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|
537 } |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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|
538 else |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
parents:
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|
539 { |
40dfc0c99116
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|
540 if (a_is_sparse) |
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John W. Eaton <jwe@octave.org>
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|
541 nconv = EigsRealSymmetricMatrix |
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changeset
|
542 (asmm, typ, k, p, info, eig_vec, eig_val, bsmm, |
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Rik <rik@octave.org>
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changeset
|
543 permB, resid, octave_stdout, tol, (nargout > 1), |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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changeset
|
544 cholB, disp, maxit); |
10154
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|
545 else |
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546 nconv = EigsRealSymmetricMatrix |
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547 (amm, typ, k, p, info, eig_vec, eig_val, bmm, permB, |
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Use GNU style coding conventions for code in libinterp/
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changeset
|
548 resid, octave_stdout, tol, (nargout > 1), cholB, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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|
549 disp, maxit); |
10154
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|
550 } |
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Add the eigs and svds functions
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diff
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|
551 |
10154
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552 if (nargout < 2) |
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Rik <octave@nomad.inbox5.com>
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|
553 retval(0) = eig_val; |
10154
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|
554 else |
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|
555 { |
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|
556 retval(2) = double (info); |
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557 retval(1) = DiagMatrix (eig_val); |
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558 retval(0) = eig_vec; |
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559 } |
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|
560 } |
40dfc0c99116
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|
561 else |
40dfc0c99116
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|
562 { |
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|
563 ComplexMatrix eig_vec; |
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|
564 ComplexColumnVector eig_val; |
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Add the eigs and svds functions
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changeset
|
565 |
10154
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
566 if (have_a_fun) |
11586
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John W. Eaton <jwe@octave.org>
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|
567 nconv = EigsRealNonSymmetricFunc |
17787
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changeset
|
568 (eigs_func, n, typ, sigmar, k, p, info, eig_vec, |
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17744
diff
changeset
|
569 eig_val, resid, octave_stdout, tol, (nargout > 1), |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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changeset
|
570 cholB, disp, maxit); |
10154
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|
571 else if (have_sigma) |
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|
572 { |
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|
573 if (a_is_sparse) |
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|
574 nconv = EigsRealNonSymmetricMatrixShift |
17787
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changeset
|
575 (asmm, sigmar, k, p, info, eig_vec, eig_val, bsmm, |
175b392e91fe
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diff
changeset
|
576 permB, resid, octave_stdout, tol, (nargout > 1), |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
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diff
changeset
|
577 cholB, disp, maxit); |
10154
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
578 else |
11586
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John W. Eaton <jwe@octave.org>
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11553
diff
changeset
|
579 nconv = EigsRealNonSymmetricMatrixShift |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
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diff
changeset
|
580 (amm, sigmar, k, p, info, eig_vec, eig_val, bmm, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
581 permB, resid, octave_stdout, tol, (nargout > 1), |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
582 cholB, disp, maxit); |
10154
40dfc0c99116
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John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
583 } |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
584 else |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
585 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
586 if (a_is_sparse) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
587 nconv = EigsRealNonSymmetricMatrix |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
588 (asmm, typ, k, p, info, eig_vec, eig_val, bsmm, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
589 permB, resid, octave_stdout, tol, (nargout > 1), |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
590 cholB, disp, maxit); |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
591 else |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
592 nconv = EigsRealNonSymmetricMatrix |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
593 (amm, typ, k, p, info, eig_vec, eig_val, bmm, permB, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
594 resid, octave_stdout, tol, (nargout > 1), cholB, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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17744
diff
changeset
|
595 disp, maxit); |
10154
40dfc0c99116
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John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
596 } |
8417
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
597 |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
598 if (nargout < 2) |
14844
5bc9b9cb4362
maint: Use Octave coding conventions for cuddled parenthesis in retval assignments.
Rik <octave@nomad.inbox5.com>
parents:
14501
diff
changeset
|
599 retval(0) = eig_val; |
10154
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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10066
diff
changeset
|
600 else |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
601 { |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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10066
diff
changeset
|
602 retval(2) = double (info); |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
603 retval(1) = ComplexDiagMatrix (eig_val); |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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10066
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changeset
|
604 retval(0) = eig_vec; |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
605 } |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
606 } |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
607 } |
8417
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
608 |
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
609 if (nconv <= 0) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
610 warning ("eigs: None of the %d requested eigenvalues converged", k); |
8417
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
611 else if (nconv < k) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11553
diff
changeset
|
612 warning ("eigs: Only %d of the %d requested eigenvalues converged", |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
613 nconv, k); |
8417
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
614 } |
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
615 |
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
616 if (! fcn_name.empty ()) |
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
617 clear_function (fcn_name); |
14144
834df9f10963
remove ARPACK files from sources and restore configure checks for external ARPACK library
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
618 #else |
834df9f10963
remove ARPACK files from sources and restore configure checks for external ARPACK library
John W. Eaton <jwe@octave.org>
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14138
diff
changeset
|
619 error ("eigs: not available in this version of Octave"); |
834df9f10963
remove ARPACK files from sources and restore configure checks for external ARPACK library
John W. Eaton <jwe@octave.org>
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14138
diff
changeset
|
620 #endif |
8417
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Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
621 |
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
622 return retval; |
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
623 } |