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annotate libinterp/dldfcn/__eigs__.cc @ 21100:e39e05d90788

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Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. * libinterp/corefcn/errwarn.h, libinterp/corefcn/errwarn.cc: New header and .cc file with common errors and warnings for libinterp. * libinterp/corefcn/module.mk: Add errwarn.h, errwarn.cc to build system. * liboctave/util/lo-array-errwarn.h, liboctave/util/lo-array-errwarn.cc: New header and .cc file with common errors and warnings for liboctave. * liboctave/util/module.mk: Add lo-array-errwarn.h, lo-array-errwarn.cc to build system. * lo-array-gripes.h: #include "lo-array-errwarn.h" for access to class index_exception. Remove const char *error_id_XXX prototypes. * lo-array-gripes.cc: Remove const char *error_id_XXX initializations. Remove index_exception method definitions. * Cell.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, betainc.cc, cellfun.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, det.cc, dirfns.cc, eig.cc, fft.cc, fft2.cc, fftn.cc, find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, graphics.in.h, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-typeinfo.cc, load-save.cc, lookup.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, lsode.cc, lu.cc, luinc.cc, max.cc, mgorth.cc, oct-hist.cc, oct-procbuf.cc, oct-stream.cc, oct.h, pager.cc, pinv.cc, pr-output.cc, quad.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, syscalls.cc, typecast.cc, utils.cc, variables.cc, xdiv.cc, xnorm.cc, xpow.cc, __eigs__.cc, __glpk__.cc, __magick_read__.cc, __osmesa_print__.cc, audiodevinfo.cc, audioread.cc, chol.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc, 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-complex.cc, ov-complex.h, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-float.cc, ov-float.h, ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-intx.h, ov-mex-fcn.cc, ov-perm.cc, ov-range.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc, ov-struct.cc, ov-type-conv.h, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov.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-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-int.h, 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-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, ops.h, lex.ll, pt-assign.cc, pt-eval.cc, pt-idx.cc, pt-loop.cc, pt-mat.cc, pt-stmt.cc, Array-util.cc, Array-util.h, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MDiagArray2.cc, MSparse.cc, PermMatrix.cc, Range.cc, Sparse.cc, dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, CmplxGEPBAL.cc, dbleGEPBAL.cc, fCmplxGEPBAL.cc, floatGEPBAL.cc, Sparse-diag-op-defs.h, Sparse-op-defs.h, Sparse-perm-op-defs.h, mx-inlines.cc, mx-op-defs.h, oct-binmap.h: Replace 'include "gripes.h"' with 'include "errwarn.h". Change all gripe_XXX to err_XXX or warn_XXX or errwarn_XXX.
author Rik <rik@octave.org>
date Mon, 18 Jan 2016 18:28:06 -0800
parents 850e3d2533d4
children bd1752782e56
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1 /*
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2
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3 Copyright (C) 2005-2015 David Bateman
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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 "errwarn.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;
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60
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61 try
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62 {
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63 tmp = eigs_fcn->do_multi_index_op (1, args);
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64 }
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65 catch (octave_execution_exception& e)
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66 {
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67 err_user_supplied_eval (e, "eigs");
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68 }
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69
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70 if (tmp.length () && tmp(0).is_defined ())
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71 {
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72 if (! warned_imaginary && tmp(0).is_complex_type ())
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73 {
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74 warning ("eigs: ignoring imaginary part returned from user-supplied function");
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75 warned_imaginary = true;
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76 }
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77
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78 retval = tmp(0).xvector_value ("eigs: evaluation of user-supplied function failed");
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79 }
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80 else
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81 {
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82 eigs_error = 1;
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83 err_user_supplied_eval ("eigs");
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84 }
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85 }
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86
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87 return retval;
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88 }
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89
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90 ComplexColumnVector
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91 eigs_complex_func (const ComplexColumnVector &x, int &eigs_error)
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92 {
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93 ComplexColumnVector retval;
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94 octave_value_list args;
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95 args(0) = x;
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96
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97 if (eigs_fcn)
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98 {
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99 octave_value_list tmp;
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100
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101 try
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102 {
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103 tmp = eigs_fcn->do_multi_index_op (1, args);
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104 }
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105 catch (octave_execution_exception& e)
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106 {
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107 err_user_supplied_eval (e, "eigs");
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108 }
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109
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110 if (tmp.length () && tmp(0).is_defined ())
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111 {
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112 retval = tmp(0).complex_vector_value ("eigs: evaluation of user-supplied function failed");
10154
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113 }
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114 else
10154
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diff changeset
115 {
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diff changeset
116 eigs_error = 1;
21100
e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents: 20956
diff changeset
117 err_user_supplied_eval ("eigs");
10154
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118 }
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119 }
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diff changeset
120
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diff changeset
121 return retval;
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122 }
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diff changeset
123
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124 DEFUN_DLD (__eigs__, args, nargout,
17787
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125 "-*- texinfo -*-\n\
20853
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126 @deftypefn {} {@var{d} =} __eigs__ (@var{A})\n\
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127 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{k})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
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128 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{k}, @var{sigma})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
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129 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{k}, @var{sigma}, @var{opts})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
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parents: 20825
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130 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{B})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
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parents: 20825
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131 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{B}, @var{k})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
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132 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{B}, @var{k}, @var{sigma})\n\
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133 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{B}, @var{k}, @var{sigma}, @var{opts})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
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diff changeset
134 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
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parents: 20825
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135 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
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diff changeset
136 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents: 20825
diff changeset
137 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents: 20825
diff changeset
138 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k}, @var{sigma})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents: 20825
diff changeset
139 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k}, @var{sigma})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents: 20825
diff changeset
140 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k}, @var{sigma}, @var{opts})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents: 20825
diff changeset
141 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k}, @var{sigma}, @var{opts})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
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142 @deftypefnx {} {[@var{V}, @var{d}] =} __eigs__ (@var{A}, @dots{})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents: 20825
diff changeset
143 @deftypefnx {} {[@var{V}, @var{d}] =} __eigs__ (@var{af}, @var{n}, @dots{})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
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diff changeset
144 @deftypefnx {} {[@var{V}, @var{d}, @var{flag}] =} __eigs__ (@var{A}, @dots{})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents: 20825
diff changeset
145 @deftypefnx {} {[@var{V}, @var{d}, @var{flag}] =} __eigs__ (@var{af}, @var{n}, @dots{})\n\
17220
ea9992fd9c89 fix eigs to handle small matrices
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diff changeset
146 Undocumented internal function.\n\
9724
f22bbc5d56e9 Fix various incorrect usages of TeXinfo deffn and deftypefn macros
Rik <rdrider0-list@yahoo.com>
parents: 9597
diff changeset
147 @end deftypefn")
8417
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diff changeset
148 {
14144
834df9f10963 remove ARPACK files from sources and restore configure checks for external ARPACK library
John W. Eaton <jwe@octave.org>
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diff changeset
149 #ifdef HAVE_ARPACK
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150 int nargin = args.length ();
20939
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diff changeset
151
b17fda023ca6 maint: Use new C++ archetype in more files.
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diff changeset
152 if (nargin == 0)
b17fda023ca6 maint: Use new C++ archetype in more files.
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diff changeset
153 print_usage ();
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diff changeset
154
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diff changeset
155 octave_value_list retval;
b17fda023ca6 maint: Use new C++ archetype in more files.
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diff changeset
156
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diff changeset
157 std::string fcn_name;
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diff changeset
158 octave_idx_type n = 0;
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diff changeset
159 octave_idx_type k = 6;
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parents:
diff changeset
160 Complex sigma = 0.;
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parents:
diff changeset
161 double sigmar, sigmai;
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parents:
diff changeset
162 bool have_sigma = false;
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parents:
diff changeset
163 std::string typ = "LM";
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parents:
diff changeset
164 Matrix amm, bmm, bmt;
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diff changeset
165 ComplexMatrix acm, bcm, bct;
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166 SparseMatrix asmm, bsmm, bsmt;
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diff changeset
167 SparseComplexMatrix ascm, bscm, bsct;
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diff changeset
168 int b_arg = 0;
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parents:
diff changeset
169 bool have_b = false;
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parents:
diff changeset
170 bool have_a_fun = false;
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parents:
diff changeset
171 bool a_is_complex = false;
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parents:
diff changeset
172 bool b_is_complex = false;
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diff changeset
173 bool symmetric = false;
12649
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
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diff changeset
174 bool sym_tested = false;
8417
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diff changeset
175 bool cholB = false;
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parents:
diff changeset
176 bool a_is_sparse = false;
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parents:
diff changeset
177 ColumnVector permB;
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diff changeset
178 int arg_offset = 0;
15220
61822c866ba1 use std::numeric_limits<T>::epsilon in C++ code
John W. Eaton <jwe@octave.org>
parents: 15195
diff changeset
179 double tol = std::numeric_limits<double>::epsilon ();
8417
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diff changeset
180 int maxit = 300;
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diff changeset
181 int disp = 0;
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diff changeset
182 octave_idx_type p = -1;
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diff changeset
183 ColumnVector resid;
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parents:
diff changeset
184 ComplexColumnVector cresid;
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diff changeset
185 octave_idx_type info = 1;
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diff changeset
186
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diff changeset
187 warned_imaginary = false;
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diff changeset
188
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9758
diff changeset
189 unwind_protect frame;
8417
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diff changeset
190
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9758
diff changeset
191 frame.protect_var (call_depth);
8417
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diff changeset
192 call_depth++;
654bcfb937bf Add the eigs and svds functions
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parents:
diff changeset
193
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parents:
diff changeset
194 if (call_depth > 1)
20956
850e3d2533d4 maint: Eliminate more useless statements after error().
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diff changeset
195 error ("eigs: invalid recursive call");
8417
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parents:
diff changeset
196
20790
c2d9556d51d0 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20785
diff changeset
197 if (args(0).is_function_handle () || args(0).is_inline_function ()
c2d9556d51d0 eliminate return statements after calls to print_usage
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diff changeset
198 || args(0).is_string ())
8417
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parents:
diff changeset
199 {
654bcfb937bf Add the eigs and svds functions
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diff changeset
200 if (args(0).is_string ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
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diff changeset
201 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
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diff changeset
202 std::string name = args(0).string_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
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diff changeset
203 std::string fname = "function y = ";
18862
6825522c25e4 maint: Use names beginning and ending with "__" for internal only functions.
Rik <rik@octave.org>
parents: 17787
diff changeset
204 fcn_name = unique_symbol_name ("__eigs_fcn__");
10154
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diff changeset
205 fname.append (fcn_name);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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diff changeset
206 fname.append ("(x) y = ");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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diff changeset
207 eigs_fcn = extract_function (args(0), "eigs", fcn_name, fname,
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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diff changeset
208 "; endfunction");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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diff changeset
209 }
8417
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parents:
diff changeset
210 else
10154
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diff changeset
211 eigs_fcn = args(0).function_value ();
8417
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parents:
diff changeset
212
20955
77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents: 20939
diff changeset
213 if (! eigs_fcn)
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20790
diff changeset
214 error ("eigs: unknown function");
8417
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parents:
diff changeset
215
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parents:
diff changeset
216 if (nargin < 2)
20825
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parents: 20790
diff changeset
217 error ("eigs: incorrect number of arguments");
20939
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diff changeset
218
b17fda023ca6 maint: Use new C++ archetype in more files.
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diff changeset
219 n = args(1).nint_value ();
b17fda023ca6 maint: Use new C++ archetype in more files.
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diff changeset
220 arg_offset = 1;
b17fda023ca6 maint: Use new C++ archetype in more files.
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parents: 20871
diff changeset
221 have_a_fun = true;
8417
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diff changeset
222 }
654bcfb937bf Add the eigs and svds functions
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parents:
diff changeset
223 else
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
224 {
654bcfb937bf Add the eigs and svds functions
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parents:
diff changeset
225 if (args(0).is_complex_type ())
10154
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diff changeset
226 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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diff changeset
227 if (args(0).is_sparse_type ())
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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diff changeset
228 {
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14844
diff changeset
229 ascm = (args(0).sparse_complex_matrix_value ());
10154
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diff changeset
230 a_is_sparse = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
231 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 10066
diff changeset
232 else
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14844
diff changeset
233 acm = (args(0).complex_matrix_value ());
10154
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diff changeset
234 a_is_complex = true;
12649
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
235 symmetric = false; // ARPACK doesn't special case complex symmetric
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
236 sym_tested = true;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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diff changeset
237 }
8417
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diff changeset
238 else
10154
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John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
239 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
240 if (args(0).is_sparse_type ())
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 10066
diff changeset
241 {
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14844
diff changeset
242 asmm = (args(0).sparse_matrix_value ());
10154
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diff changeset
243 a_is_sparse = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
244 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
245 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
246 {
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14844
diff changeset
247 amm = (args(0).matrix_value ());
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
248 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
249 }
9593
cf8403208c43 Fix nesting error in options parsing of eigs
David Bateman <dbateman@free.fr>
parents: 9377
diff changeset
250 }
cf8403208c43 Fix nesting error in options parsing of eigs
David Bateman <dbateman@free.fr>
parents: 9377
diff changeset
251
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
252 // Note hold off reading B until later to avoid issues of double
12649
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
253 // copies of the matrix if B is full/real while A is complex.
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
254 if (nargin > 1 + arg_offset
19864
17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
255 && ! (args(1 + arg_offset).is_real_scalar ()))
9593
cf8403208c43 Fix nesting error in options parsing of eigs
David Bateman <dbateman@free.fr>
parents: 9377
diff changeset
256 {
cf8403208c43 Fix nesting error in options parsing of eigs
David Bateman <dbateman@free.fr>
parents: 9377
diff changeset
257 if (args(1+arg_offset).is_complex_type ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
258 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
259 b_arg = 1+arg_offset;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
260 have_b = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
261 b_is_complex = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
262 arg_offset++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
263 }
9593
cf8403208c43 Fix nesting error in options parsing of eigs
David Bateman <dbateman@free.fr>
parents: 9377
diff changeset
264 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
265 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
266 b_arg = 1+arg_offset;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
267 have_b = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
268 arg_offset++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
269 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
270 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
271
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
272 if (nargin > (1+arg_offset))
8417
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David Bateman <dbateman@free.fr>
parents:
diff changeset
273 k = args(1+arg_offset).nint_value ();
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
274
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
275 if (nargin > (2+arg_offset))
8683
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
276 {
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8702
diff changeset
277 if (args(2+arg_offset).is_string ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
278 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
279 typ = args(2+arg_offset).string_value ();
8417
654bcfb937bf Add the eigs and svds functions
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parents:
diff changeset
280
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
281 // Use STL function to convert to upper case
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
282 transform (typ.begin (), typ.end (), typ.begin (), toupper);
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
283
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
284 sigma = 0.;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
285 }
8683
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
286 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
287 {
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
288 sigma = args(2+arg_offset).xcomplex_value ("eigs: SIGMA must be a scalar or a string");
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8702
diff changeset
289
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
290 have_sigma = true;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
291 }
8683
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
292 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
293
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
294 sigmar = std::real (sigma);
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
295 sigmai = std::imag (sigma);
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
296
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
297 if (nargin > (3+arg_offset))
8683
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
298 {
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
299 if (! args(3+arg_offset).is_map ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
300 error ("eigs: OPTS argument must be a structure");
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
301
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
302 octave_scalar_map map = args(3+arg_offset).xscalar_map_value ("eigs: OPTS argument must be a scalar structure");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
303
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
304 octave_value tmp;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
305
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
306 // issym is ignored for complex matrix inputs
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
307 tmp = map.getfield ("issym");
20955
77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents: 20939
diff changeset
308 if (tmp.is_defined () && ! sym_tested)
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
309 {
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
310 symmetric = tmp.double_value () != 0.;
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
311 sym_tested = true;
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
312 }
11044
757249bb4888 eigs.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
313
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
314 // isreal is ignored if A is not a function
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
315 tmp = map.getfield ("isreal");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
316 if (tmp.is_defined () && have_a_fun)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
317 a_is_complex = ! (tmp.double_value () != 0.);
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
318
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
319 tmp = map.getfield ("tol");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
320 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
321 tol = tmp.double_value ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
322
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
323 tmp = map.getfield ("maxit");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
324 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
325 maxit = tmp.nint_value ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
326
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
327 tmp = map.getfield ("p");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
328 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
329 p = tmp.nint_value ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
330
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
331 tmp = map.getfield ("v0");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
332 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
333 {
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
334 if (a_is_complex || b_is_complex)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
335 cresid = ComplexColumnVector (tmp.complex_vector_value ());
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
336 else
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
337 resid = ColumnVector (tmp.vector_value ());
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
338 }
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
339
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
340 tmp = map.getfield ("disp");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
341 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
342 disp = tmp.nint_value ();
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
343
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
344 tmp = map.getfield ("cholB");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
345 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
346 cholB = tmp.double_value () != 0.;
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
347
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
348 tmp = map.getfield ("permB");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
349 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
350 permB = ColumnVector (tmp.vector_value ()) - 1.0;
8683
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
351 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
352
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
353 if (nargin > (4+arg_offset))
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20790
diff changeset
354 error ("eigs: incorrect number of arguments");
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
355
12649
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
356 // Test undeclared (no issym) matrix inputs for symmetry
20955
77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents: 20939
diff changeset
357 if (! sym_tested && ! have_a_fun)
12649
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
358 {
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
359 if (a_is_sparse)
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14844
diff changeset
360 symmetric = asmm.is_symmetric ();
12649
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
361 else
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14844
diff changeset
362 symmetric = amm.is_symmetric ();
12649
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
363 }
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
364
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
365 if (have_b)
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
366 {
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
367 if (a_is_complex || b_is_complex)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
368 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
369 if (a_is_sparse)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
370 bscm = args(b_arg).sparse_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
371 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
372 bcm = args(b_arg).complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
373 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
374 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
375 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
376 if (a_is_sparse)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
377 bsmm = args(b_arg).sparse_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
378 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
379 bmm = args(b_arg).matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
380 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
381 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
382
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
383 // Mode 1 for SM mode seems unstable for some reason.
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
384 // Use Mode 3 instead, with sigma = 0.
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
385 if (! have_sigma && typ == "SM")
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
386 have_sigma = true;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
387
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
388 octave_idx_type nconv;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
389 if (a_is_complex || b_is_complex)
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
390 {
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
391 ComplexMatrix eig_vec;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
392 ComplexColumnVector eig_val;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
393
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
394
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
395 if (have_a_fun)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
396 nconv = EigsComplexNonSymmetricFunc
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
397 (eigs_complex_func, n, typ, sigma, k, p, info, eig_vec,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
398 eig_val, cresid, octave_stdout, tol, (nargout > 1), cholB,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
399 disp, maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
400 else if (have_sigma)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
401 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
402 if (a_is_sparse)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
403 nconv = EigsComplexNonSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
404 (ascm, sigma, k, p, info, eig_vec, eig_val, bscm, permB,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
405 cresid, octave_stdout, tol, (nargout > 1), cholB, disp,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
406 maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
407 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
408 nconv = EigsComplexNonSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
409 (acm, sigma, k, p, info, eig_vec, eig_val, bcm, permB,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
410 cresid, octave_stdout, tol, (nargout > 1), cholB, disp,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
411 maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
412 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
413 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
414 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
415 if (a_is_sparse)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
416 nconv = EigsComplexNonSymmetricMatrix
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
417 (ascm, typ, k, p, info, eig_vec, eig_val, bscm, permB,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
418 cresid, octave_stdout, tol, (nargout > 1), cholB, disp,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
419 maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
420 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
421 nconv = EigsComplexNonSymmetricMatrix
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
422 (acm, typ, k, p, info, eig_vec, eig_val, bcm, permB,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
423 cresid, octave_stdout, tol, (nargout > 1), cholB, disp,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
424 maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
425 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
426
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
427 if (nargout < 2)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
428 retval(0) = eig_val;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
429 else
20871
1e4edab2d22f 2015 Code Sprint: __eigs__.cc: use ovl ().
Rik <rik@octave.org>
parents: 20853
diff changeset
430 retval = ovl (eig_vec, ComplexDiagMatrix (eig_val), double (info));
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
431 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
432 else if (sigmai != 0.)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
433 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
434 // Promote real problem to a complex one.
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
435 ComplexMatrix eig_vec;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
436 ComplexColumnVector eig_val;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
437
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
438 if (have_a_fun)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
439 nconv = EigsComplexNonSymmetricFunc
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
440 (eigs_complex_func, n, typ, sigma, k, p, info, eig_vec,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
441 eig_val, cresid, octave_stdout, tol, (nargout > 1), cholB,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
442 disp, maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
443 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
444 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
445 if (a_is_sparse)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
446 nconv = EigsComplexNonSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
447 (SparseComplexMatrix (asmm), sigma, k, p, info, eig_vec,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
448 eig_val, SparseComplexMatrix (bsmm), permB, cresid,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
449 octave_stdout, tol, (nargout > 1), cholB, disp, maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
450 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
451 nconv = EigsComplexNonSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
452 (ComplexMatrix (amm), sigma, k, p, info, eig_vec,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
453 eig_val, ComplexMatrix (bmm), permB, cresid,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
454 octave_stdout, tol, (nargout > 1), cholB, disp, maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
455 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
456
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
457 if (nargout < 2)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
458 retval(0) = eig_val;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
459 else
20871
1e4edab2d22f 2015 Code Sprint: __eigs__.cc: use ovl ().
Rik <rik@octave.org>
parents: 20853
diff changeset
460 retval = ovl (eig_vec, ComplexDiagMatrix (eig_val), double (info));
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
461 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
462 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
463 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
464 if (symmetric)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
465 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
466 Matrix eig_vec;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
467 ColumnVector eig_val;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
468
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
469 if (have_a_fun)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
470 nconv = EigsRealSymmetricFunc
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
471 (eigs_func, n, typ, sigmar, k, p, info, eig_vec,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
472 eig_val, resid, octave_stdout, tol, (nargout > 1),
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
473 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
474 else if (have_sigma)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
475 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
476 if (a_is_sparse)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
477 nconv = EigsRealSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
478 (asmm, sigmar, k, p, info, eig_vec, eig_val, bsmm,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
479 permB, resid, octave_stdout, tol, (nargout > 1),
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
480 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
481 else
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
482 nconv = EigsRealSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
483 (amm, sigmar, k, p, info, eig_vec, eig_val, bmm,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
484 permB, resid, octave_stdout, tol, (nargout > 1),
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
485 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
486 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
487 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
488 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
489 if (a_is_sparse)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
490 nconv = EigsRealSymmetricMatrix
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
491 (asmm, typ, k, p, info, eig_vec, eig_val, bsmm,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
492 permB, resid, octave_stdout, tol, (nargout > 1),
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
493 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
494 else
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
495 nconv = EigsRealSymmetricMatrix
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
496 (amm, typ, k, p, info, eig_vec, eig_val, bmm, permB,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
497 resid, octave_stdout, tol, (nargout > 1), cholB,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
498 disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
499 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
500
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
501 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
502 retval(0) = eig_val;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
503 else
20871
1e4edab2d22f 2015 Code Sprint: __eigs__.cc: use ovl ().
Rik <rik@octave.org>
parents: 20853
diff changeset
504 retval = ovl (eig_vec, DiagMatrix (eig_val), double (info));
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
505 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
506 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
507 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
508 ComplexMatrix eig_vec;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
509 ComplexColumnVector eig_val;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
510
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
511 if (have_a_fun)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
512 nconv = EigsRealNonSymmetricFunc
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
513 (eigs_func, n, typ, sigmar, k, p, info, eig_vec,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
514 eig_val, resid, octave_stdout, tol, (nargout > 1),
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
515 cholB, disp, maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
516 else if (have_sigma)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
517 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
518 if (a_is_sparse)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
519 nconv = EigsRealNonSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
520 (asmm, sigmar, k, p, info, eig_vec, eig_val, bsmm,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
521 permB, resid, octave_stdout, tol, (nargout > 1),
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
522 cholB, disp, maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
523 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
524 nconv = EigsRealNonSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
525 (amm, sigmar, k, p, info, eig_vec, eig_val, bmm,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
526 permB, resid, octave_stdout, tol, (nargout > 1),
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
527 cholB, disp, maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
528 }
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
529 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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530 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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531 if (a_is_sparse)
20556
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532 nconv = EigsRealNonSymmetricMatrix
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533 (asmm, typ, k, p, info, eig_vec, eig_val, bsmm,
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534 permB, resid, octave_stdout, tol, (nargout > 1),
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535 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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536 else
20556
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537 nconv = EigsRealNonSymmetricMatrix
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538 (amm, typ, k, p, info, eig_vec, eig_val, bmm, permB,
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diff changeset
539 resid, octave_stdout, tol, (nargout > 1), cholB,
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diff changeset
540 disp, maxit);
10154
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diff changeset
541 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
542
10154
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John W. Eaton <jwe@octave.org>
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diff changeset
543 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
544 retval(0) = eig_val;
10154
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diff changeset
545 else
20871
1e4edab2d22f 2015 Code Sprint: __eigs__.cc: use ovl ().
Rik <rik@octave.org>
parents: 20853
diff changeset
546 retval = ovl (eig_vec, ComplexDiagMatrix (eig_val), double (info));
10154
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547 }
20556
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diff changeset
548 }
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654bcfb937bf Add the eigs and svds functions
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parents:
diff changeset
549
20556
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diff changeset
550 if (nconv <= 0)
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551 warning ("eigs: None of the %d requested eigenvalues converged", k);
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diff changeset
552 else if (nconv < k)
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diff changeset
553 warning ("eigs: Only %d of the %d requested eigenvalues converged",
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diff changeset
554 nconv, k);
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
555
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
556 if (! fcn_name.empty ())
654bcfb937bf Add the eigs and svds functions
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diff changeset
557 clear_function (fcn_name);
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20790
diff changeset
558
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
559 return retval;
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
560
14144
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diff changeset
561 #else
834df9f10963 remove ARPACK files from sources and restore configure checks for external ARPACK library
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diff changeset
562 error ("eigs: not available in this version of Octave");
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diff changeset
563 #endif
8417
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parents:
diff changeset
564 }