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annotate libinterp/dldfcn/__eigs__.cc @ 20703:85e5efae848a

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eliminate more uses of error_state * ov.h, ov.cc: Provide more value extractors that handle error messages. * besselj.cc, daspk.cc, dasrt.cc, dassl.cc, file-io.cc, graphics.cc, matrix_type.cc, ordschur.cc, utils.cc, __eigs__.cc, __magick_read__.cc: Eliminate more uses of error_state.
author John W. Eaton <jwe@octave.org>
date Sat, 14 Nov 2015 12:07:38 -0500
parents 5f04bfc7c17a
children b6408331bfa2
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1 /*
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2
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4197fc428c7d maint: Update copyright notices for 2015.
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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 "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\
ea9992fd9c89 fix eigs to handle small matrices
John W. Eaton <jwe@octave.org>
parents: 15220
diff changeset
147 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k}, @var{sigma})\n\
ea9992fd9c89 fix eigs to handle small matrices
John W. Eaton <jwe@octave.org>
parents: 15220
diff changeset
148 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k}, @var{sigma}, @var{opts})\n\
ea9992fd9c89 fix eigs to handle small matrices
John W. Eaton <jwe@octave.org>
parents: 15220
diff changeset
149 @deftypefnx {Loadable Function} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k}, @var{sigma}, @var{opts})\n\
ea9992fd9c89 fix eigs to handle small matrices
John W. Eaton <jwe@octave.org>
parents: 15220
diff changeset
150 @deftypefnx {Loadable Function} {[@var{V}, @var{d}] =} __eigs__ (@var{A}, @dots{})\n\
ea9992fd9c89 fix eigs to handle small matrices
John W. Eaton <jwe@octave.org>
parents: 15220
diff changeset
151 @deftypefnx {Loadable Function} {[@var{V}, @var{d}] =} __eigs__ (@var{af}, @var{n}, @dots{})\n\
ea9992fd9c89 fix eigs to handle small matrices
John W. Eaton <jwe@octave.org>
parents: 15220
diff changeset
152 @deftypefnx {Loadable Function} {[@var{V}, @var{d}, @var{flag}] =} __eigs__ (@var{A}, @dots{})\n\
ea9992fd9c89 fix eigs to handle small matrices
John W. Eaton <jwe@octave.org>
parents: 15220
diff changeset
153 @deftypefnx {Loadable Function} {[@var{V}, @var{d}, @var{flag}] =} __eigs__ (@var{af}, @var{n}, @dots{})\n\
ea9992fd9c89 fix eigs to handle small matrices
John W. Eaton <jwe@octave.org>
parents: 15220
diff changeset
154 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
155 @end deftypefn")
8417
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David Bateman <dbateman@free.fr>
parents:
diff changeset
156 {
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
157 octave_value_list retval;
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
158 #ifdef HAVE_ARPACK
8417
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David Bateman <dbateman@free.fr>
parents:
diff changeset
159 int nargin = args.length ();
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
160 std::string fcn_name;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
161 octave_idx_type n = 0;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
162 octave_idx_type k = 6;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
163 Complex sigma = 0.;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
164 double sigmar, sigmai;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
165 bool have_sigma = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
166 std::string typ = "LM";
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
167 Matrix amm, bmm, bmt;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
168 ComplexMatrix acm, bcm, bct;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
169 SparseMatrix asmm, bsmm, bsmt;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
170 SparseComplexMatrix ascm, bscm, bsct;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
171 int b_arg = 0;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
172 bool have_b = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
173 bool have_a_fun = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
174 bool a_is_complex = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
175 bool b_is_complex = false;
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David Bateman <dbateman@free.fr>
parents:
diff changeset
176 bool symmetric = false;
12649
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
177 bool sym_tested = false;
8417
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parents:
diff changeset
178 bool cholB = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
179 bool a_is_sparse = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
180 ColumnVector permB;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
181 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
182 double tol = std::numeric_limits<double>::epsilon ();
8417
654bcfb937bf Add the eigs and svds functions
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parents:
diff changeset
183 int maxit = 300;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
184 int disp = 0;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
185 octave_idx_type p = -1;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
186 ColumnVector resid;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
187 ComplexColumnVector cresid;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
188 octave_idx_type info = 1;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
189
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
190 warned_imaginary = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
191
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9758
diff changeset
192 unwind_protect frame;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
193
10066
2cd940306a06 make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents: 9758
diff changeset
194 frame.protect_var (call_depth);
8417
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parents:
diff changeset
195 call_depth++;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
196
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
197 if (call_depth > 1)
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
198 {
654bcfb937bf Add the eigs and svds functions
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parents:
diff changeset
199 error ("eigs: invalid recursive call");
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
200 if (fcn_name.length ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
201 clear_function (fcn_name);
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
202 return retval;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
203 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
204
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
205 if (nargin == 0)
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
206 print_usage ();
8683
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
207 else if (args(0).is_function_handle () || args(0).is_inline_function ()
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
208 || args(0).is_string ())
8417
654bcfb937bf Add the eigs and svds functions
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parents:
diff changeset
209 {
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
210 if (args(0).is_string ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
211 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
212 std::string name = args(0).string_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
213 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
214 fcn_name = unique_symbol_name ("__eigs_fcn__");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
215 fname.append (fcn_name);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
216 fname.append ("(x) y = ");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
217 eigs_fcn = extract_function (args(0), "eigs", fcn_name, fname,
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
218 "; endfunction");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
219 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
220 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
221 eigs_fcn = args(0).function_value ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
222
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
223 if (!eigs_fcn)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
224 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
225 error ("eigs: unknown function");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
226 return retval;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
227 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
228
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
229 if (nargin < 2)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
230 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
231 error ("eigs: incorrect number of arguments");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
232 return retval;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
233 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
234 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
235 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
236 n = args(1).nint_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
237 arg_offset = 1;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
238 have_a_fun = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
239 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
240 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
241 else
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
242 {
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
243 if (args(0).is_complex_type ())
10154
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 if (args(0).is_sparse_type ())
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 ascm = (args(0).sparse_complex_matrix_value ());
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
248 a_is_sparse = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
249 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
250 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
251 acm = (args(0).complex_matrix_value ());
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
252 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
253 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
254 sym_tested = true;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
255 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
256 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
257 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
258 if (args(0).is_sparse_type ())
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
259 {
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
260 asmm = (args(0).sparse_matrix_value ());
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
261 a_is_sparse = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
262 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
263 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
264 {
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
265 amm = (args(0).matrix_value ());
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
266 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
267 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
268
9593
cf8403208c43 Fix nesting error in options parsing of eigs
David Bateman <dbateman@free.fr>
parents: 9377
diff changeset
269 }
cf8403208c43 Fix nesting error in options parsing of eigs
David Bateman <dbateman@free.fr>
parents: 9377
diff changeset
270
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
271 // Note hold off reading B till 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
272 // 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
273 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
274 && ! (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
275 {
cf8403208c43 Fix nesting error in options parsing of eigs
David Bateman <dbateman@free.fr>
parents: 9377
diff changeset
276 if (args(1+arg_offset).is_complex_type ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
277 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
278 b_arg = 1+arg_offset;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
279 have_b = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
280 b_is_complex = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
281 arg_offset++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
282 }
9593
cf8403208c43 Fix nesting error in options parsing of eigs
David Bateman <dbateman@free.fr>
parents: 9377
diff changeset
283 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
284 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
285 b_arg = 1+arg_offset;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
286 have_b = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
287 arg_offset++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
288 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
289 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
290
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4bed806ee3d4 eliminate more simple uses of error_state
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parents: 19864
diff changeset
291 if (nargin > (1+arg_offset))
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
292 k = args(1+arg_offset).nint_value ();
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
293
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
294 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
295 {
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8702
diff changeset
296 if (args(2+arg_offset).is_string ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
297 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
298 typ = args(2+arg_offset).string_value ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
299
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
300 // Use STL function to convert to upper case
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
301 transform (typ.begin (), typ.end (), typ.begin (), toupper);
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
302
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
303 sigma = 0.;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
304 }
8683
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
305 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
306 {
20703
85e5efae848a eliminate more uses of error_state
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parents: 20687
diff changeset
307 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
308
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
309 have_sigma = true;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
310 }
8683
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
311 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
312
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
313 sigmar = std::real (sigma);
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
314 sigmai = std::imag (sigma);
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
315
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
316 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
317 {
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
318 if (args(3+arg_offset).is_map ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
319 {
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
320 octave_scalar_map map = args(3+arg_offset).xscalar_map_value ("eigs: OPTS argument must be a scalar structure");
85e5efae848a eliminate more uses of error_state
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parents: 20687
diff changeset
321
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
322 octave_value tmp;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
323
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
324 // issym is ignored for complex matrix inputs
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
325 tmp = map.getfield ("issym");
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
326 if (tmp.is_defined () && !sym_tested)
11044
757249bb4888 eigs.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
327 {
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
328 symmetric = tmp.double_value () != 0.;
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
329 sym_tested = true;
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
330 }
11044
757249bb4888 eigs.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
331
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
332 // isreal is ignored if A is not a function
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
333 tmp = map.getfield ("isreal");
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
334 if (tmp.is_defined () && have_a_fun)
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
335 a_is_complex = ! (tmp.double_value () != 0.);
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
336
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
337 tmp = map.getfield ("tol");
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
338 if (tmp.is_defined ())
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
339 tol = tmp.double_value ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
340
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
341 tmp = map.getfield ("maxit");
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
342 if (tmp.is_defined ())
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
343 maxit = tmp.nint_value ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
344
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
345 tmp = map.getfield ("p");
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
346 if (tmp.is_defined ())
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
347 p = tmp.nint_value ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
348
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
349 tmp = map.getfield ("v0");
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
350 if (tmp.is_defined ())
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
351 {
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
352 if (a_is_complex || b_is_complex)
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
353 cresid = ComplexColumnVector (tmp.complex_vector_value ());
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
354 else
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
355 resid = ColumnVector (tmp.vector_value ());
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
356 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
357
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
358 tmp = map.getfield ("disp");
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
359 if (tmp.is_defined ())
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
360 disp = tmp.nint_value ();
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
361
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
362 tmp = map.getfield ("cholB");
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
363 if (tmp.is_defined ())
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
364 cholB = tmp.double_value () != 0.;
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
365
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
366 tmp = map.getfield ("permB");
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
367 if (tmp.is_defined ())
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
368 permB = ColumnVector (tmp.vector_value ()) - 1.0;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
369 }
8683
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
370 else
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
371 error ("eigs: OPTS argument must be a structure");
8683
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
372 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
373
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
374 if (nargin > (4+arg_offset))
8683
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
375 {
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
376 error ("eigs: incorrect number of arguments");
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
377 return retval;
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
378 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
379
12649
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
380 // Test undeclared (no issym) matrix inputs for symmetry
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
381 if (!sym_tested && !have_a_fun)
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
382 {
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
383 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
384 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
385 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
386 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
387 }
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
388
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
389 if (have_b)
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
390 {
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
391 if (a_is_complex || b_is_complex)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
392 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
393 if (a_is_sparse)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
394 bscm = args(b_arg).sparse_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
395 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
396 bcm = args(b_arg).complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
397 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
398 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
399 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
400 if (a_is_sparse)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
401 bsmm = args(b_arg).sparse_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
402 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
403 bmm = args(b_arg).matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
404 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
405 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
406
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
407 // 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
408 // 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
409 if (! have_sigma && typ == "SM")
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
410 have_sigma = true;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
411
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
412 octave_idx_type nconv;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
413 if (a_is_complex || b_is_complex)
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
414 {
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
415 ComplexMatrix eig_vec;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
416 ComplexColumnVector eig_val;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
418
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
419 if (have_a_fun)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
420 nconv = EigsComplexNonSymmetricFunc
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
421 (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
422 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
423 disp, maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
424 else if (have_sigma)
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 if (a_is_sparse)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
427 nconv = EigsComplexNonSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
428 (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
429 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
430 maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
431 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
432 nconv = EigsComplexNonSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
433 (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
434 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
435 maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
436 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
437 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
438 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
439 if (a_is_sparse)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
440 nconv = EigsComplexNonSymmetricMatrix
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
441 (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
442 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
443 maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
444 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
445 nconv = EigsComplexNonSymmetricMatrix
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
446 (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
447 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
448 maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
449 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
450
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
451 if (nargout < 2)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
452 retval(0) = eig_val;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
453 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
454 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
455 retval(2) = double (info);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
456 retval(1) = ComplexDiagMatrix (eig_val);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
457 retval(0) = eig_vec;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
458 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
459 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
460 else if (sigmai != 0.)
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 // 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
463 ComplexMatrix eig_vec;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
464 ComplexColumnVector eig_val;
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 if (have_a_fun)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
467 nconv = EigsComplexNonSymmetricFunc
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
468 (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
469 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
470 disp, maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
471 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
472 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
473 if (a_is_sparse)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
474 nconv = EigsComplexNonSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
475 (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
476 eig_val, SparseComplexMatrix (bsmm), permB, cresid,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
477 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
478 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
479 nconv = EigsComplexNonSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
480 (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
481 eig_val, ComplexMatrix (bmm), permB, cresid,
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
482 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
483 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
484
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
485 if (nargout < 2)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
486 retval(0) = eig_val;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
487 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
488 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
489 retval(2) = double (info);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
490 retval(1) = ComplexDiagMatrix (eig_val);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
491 retval(0) = eig_vec;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
492 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
493 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
494 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
495 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
496 if (symmetric)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
497 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
498 Matrix eig_vec;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
499 ColumnVector eig_val;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
500
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
501 if (have_a_fun)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
502 nconv = EigsRealSymmetricFunc
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
503 (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
504 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
505 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
506 else if (have_sigma)
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 if (a_is_sparse)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
509 nconv = EigsRealSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
510 (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
511 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
512 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
513 else
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
514 nconv = EigsRealSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
515 (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
516 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
517 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
518 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
519 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
520 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
521 if (a_is_sparse)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
522 nconv = EigsRealSymmetricMatrix
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
523 (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
524 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
525 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
526 else
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
527 nconv = EigsRealSymmetricMatrix
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
528 (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
529 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
530 disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
531 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
532
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
533 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
534 retval(0) = eig_val;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
535 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
536 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
537 retval(2) = double (info);
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
538 retval(1) = DiagMatrix (eig_val);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
539 retval(0) = eig_vec;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
540 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
541 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
542 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
543 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
544 ComplexMatrix eig_vec;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
545 ComplexColumnVector eig_val;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
546
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
547 if (have_a_fun)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
548 nconv = EigsRealNonSymmetricFunc
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
549 (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
550 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
551 cholB, disp, maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
552 else if (have_sigma)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
553 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
554 if (a_is_sparse)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
555 nconv = EigsRealNonSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
556 (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
557 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
558 cholB, disp, maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
559 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
560 nconv = EigsRealNonSymmetricMatrixShift
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
561 (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
562 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
563 cholB, disp, maxit);
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
564 }
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
565 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
566 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
567 if (a_is_sparse)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
568 nconv = EigsRealNonSymmetricMatrix
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
569 (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
570 permB, resid, octave_stdout, tol, (nargout > 1),
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diff changeset
571 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 10066
diff changeset
572 else
20556
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parents: 19864
diff changeset
573 nconv = EigsRealNonSymmetricMatrix
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diff changeset
574 (amm, typ, k, p, info, eig_vec, eig_val, bmm, permB,
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diff changeset
575 resid, octave_stdout, tol, (nargout > 1), cholB,
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John W. Eaton <jwe@octave.org>
parents: 19864
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576 disp, maxit);
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parents: 10066
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577 }
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parents:
diff changeset
578
10154
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John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
579 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
580 retval(0) = eig_val;
10154
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John W. Eaton <jwe@octave.org>
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diff changeset
581 else
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John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
582 {
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John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
583 retval(2) = double (info);
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John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
584 retval(1) = ComplexDiagMatrix (eig_val);
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John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
585 retval(0) = eig_vec;
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John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
586 }
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John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
587 }
20556
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parents: 19864
diff changeset
588 }
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David Bateman <dbateman@free.fr>
parents:
diff changeset
589
20556
4bed806ee3d4 eliminate more simple uses of error_state
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590 if (nconv <= 0)
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591 warning ("eigs: None of the %d requested eigenvalues converged", k);
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592 else if (nconv < k)
4bed806ee3d4 eliminate more simple uses of error_state
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593 warning ("eigs: Only %d of the %d requested eigenvalues converged",
4bed806ee3d4 eliminate more simple uses of error_state
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diff changeset
594 nconv, k);
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
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595
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
596 if (! fcn_name.empty ())
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
597 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
598 #else
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John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
599 error ("eigs: not available in this version of Octave");
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John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
600 #endif
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David Bateman <dbateman@free.fr>
parents:
diff changeset
601
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
602 return retval;
654bcfb937bf Add the eigs and svds functions
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parents:
diff changeset
603 }