Mercurial > octave

annotate libinterp/corefcn/__eigs__.cc @ 29480:b99d87eafd4e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
maint: merge stable to default.
author Markus Mützel <markus.muetzel@gmx.de>
date Thu, 01 Apr 2021 18:58:26 +0200
parents 7854d5752dd2 a11714e03733
children 7b160bf6b897
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
27923
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
2 //
29358
0a5b15007766 update Octave Project Developers copyright for the new year
John W. Eaton <jwe@octave.org>
parents: 28024
diff changeset
3 // Copyright (C) 2005-2021 The Octave Project Developers
27923
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
4 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
7 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
9 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
14 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
19 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
23 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
24 ////////////////////////////////////////////////////////////////////////
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
25
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21691
diff changeset
26 #if defined (HAVE_CONFIG_H)
21301
40de9f8f23a6 Use '#include "config.h"' rather than <config.h>.
Rik <rik@octave.org>
parents: 21200
diff changeset
27 # include "config.h"
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
28 #endif
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
29
23024
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory.
Rik <rik@octave.org>
parents: 22755
diff changeset
30 #include <limits>
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory.
Rik <rik@octave.org>
parents: 22755
diff changeset
31 #include <string>
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory.
Rik <rik@octave.org>
parents: 22755
diff changeset
32
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory.
Rik <rik@octave.org>
parents: 22755
diff changeset
33 #include "Matrix.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory.
Rik <rik@octave.org>
parents: 22755
diff changeset
34 #include "eigs-base.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory.
Rik <rik@octave.org>
parents: 22755
diff changeset
35 #include "unwind-prot.h"
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory.
Rik <rik@octave.org>
parents: 22755
diff changeset
36
28024
c28b8ba841fb move sparse functions from dldfcn to corefcn directory (bug #57459)
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
37 #include "defun.h"
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
38 #include "error.h"
21100
e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents: 20956
diff changeset
39 #include "errwarn.h"
26864
041caa61ed34 use get_function_handle instead of extract_function
John W. Eaton <jwe@octave.org>
parents: 26495
diff changeset
40 #include "interpreter-private.h"
21190
342764537e5a don't install eigs-base.cc
John W. Eaton <jwe@octave.org>
parents: 21109
diff changeset
41 #include "oct-map.h"
342764537e5a don't install eigs-base.cc
John W. Eaton <jwe@octave.org>
parents: 21109
diff changeset
42 #include "ov.h"
23024
a6a7b054e4ba Rationalize #includes in libinterp/dldfcn directory.
Rik <rik@octave.org>
parents: 22755
diff changeset
43 #include "ovl.h"
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
44 #include "pager.h"
23473
55916f99b8b6 prefer feval over do_multi_index_op
John W. Eaton <jwe@octave.org>
parents: 23457
diff changeset
45 #include "parse.h"
21190
342764537e5a don't install eigs-base.cc
John W. Eaton <jwe@octave.org>
parents: 21109
diff changeset
46 #include "variables.h"
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
47
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21575
diff changeset
48 #if defined (HAVE_ARPACK)
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21575
diff changeset
49
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
50 // Global pointer for user defined function.
26864
041caa61ed34 use get_function_handle instead of extract_function
John W. Eaton <jwe@octave.org>
parents: 26495
diff changeset
51 static octave_value eigs_fcn;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
52
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
53 // Have we warned about imaginary values returned from user function?
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
54 static bool warned_imaginary = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
55
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
56 // Is this a recursive call?
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
57 static int call_depth = 0;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
58
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
59 ColumnVector
23433
c9fab0bc983e maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents: 23220
diff changeset
60 eigs_func (const ColumnVector& x, int& eigs_error)
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
61 {
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
62 ColumnVector retval;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
63 octave_value_list args;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
64 args(0) = x;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
65
26864
041caa61ed34 use get_function_handle instead of extract_function
John W. Eaton <jwe@octave.org>
parents: 26495
diff changeset
66 if (eigs_fcn.is_defined ())
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
67 {
20743
b6408331bfa2 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20703
diff changeset
68 octave_value_list tmp;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
69
20743
b6408331bfa2 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20703
diff changeset
70 try
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
71 {
23478
bce43f1a3cce * __eigs__.cc: Avoid deprecated function warnings.
John W. Eaton <jwe@octave.org>
parents: 23473
diff changeset
72 tmp = octave::feval (eigs_fcn, args, 1);
20743
b6408331bfa2 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20703
diff changeset
73 }
29163
8f67ad8b3103 maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents: 28817
diff changeset
74 catch (octave::execution_exception& ee)
20743
b6408331bfa2 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20703
diff changeset
75 {
29163
8f67ad8b3103 maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents: 28817
diff changeset
76 err_user_supplied_eval (ee, "eigs");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
77 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
78
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
79 if (tmp.length () && tmp(0).is_defined ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
80 {
23581
c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex.
Rik <rik@octave.org>
parents: 23478
diff changeset
81 if (! warned_imaginary && tmp(0).iscomplex ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
82 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
83 warning ("eigs: ignoring imaginary part returned from user-supplied function");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
84 warned_imaginary = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
85 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
86
20743
b6408331bfa2 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20703
diff changeset
87 retval = tmp(0).xvector_value ("eigs: evaluation of user-supplied function failed");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
88 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
89 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
90 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
91 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
92 err_user_supplied_eval ("eigs");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
93 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
94 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
95
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
96 return retval;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
97 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
98
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
99 ComplexColumnVector
23433
c9fab0bc983e maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents: 23220
diff changeset
100 eigs_complex_func (const ComplexColumnVector& x, int& eigs_error)
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
101 {
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
102 ComplexColumnVector retval;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
103 octave_value_list args;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
104 args(0) = x;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
105
26864
041caa61ed34 use get_function_handle instead of extract_function
John W. Eaton <jwe@octave.org>
parents: 26495
diff changeset
106 if (eigs_fcn.is_defined ())
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
107 {
20743
b6408331bfa2 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20703
diff changeset
108 octave_value_list tmp;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
109
20743
b6408331bfa2 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20703
diff changeset
110 try
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
111 {
23478
bce43f1a3cce * __eigs__.cc: Avoid deprecated function warnings.
John W. Eaton <jwe@octave.org>
parents: 23473
diff changeset
112 tmp = octave::feval (eigs_fcn, args, 1);
20743
b6408331bfa2 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20703
diff changeset
113 }
29163
8f67ad8b3103 maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents: 28817
diff changeset
114 catch (octave::execution_exception& ee)
20743
b6408331bfa2 eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20703
diff changeset
115 {
29163
8f67ad8b3103 maint: Updating naming conventions for exceptions and use const where possible.
Rik <rik@octave.org>
parents: 28817
diff changeset
116 err_user_supplied_eval (ee, "eigs");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
117 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
118
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
119 if (tmp.length () && tmp(0).is_defined ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
120 {
26344
acfd683ea00b __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26164
diff changeset
121 retval = tmp(0).xcomplex_vector_value ("eigs: evaluation of user-supplied function failed");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
122 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
123 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
124 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
125 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
126 err_user_supplied_eval ("eigs");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
127 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
128 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
129
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
130 return retval;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
131 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
132
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21575
diff changeset
133 #endif
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21575
diff changeset
134
28024
c28b8ba841fb move sparse functions from dldfcn to corefcn directory (bug #57459)
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
135 DEFMETHOD (__eigs__, interp, args, nargout,
c28b8ba841fb move sparse functions from dldfcn to corefcn directory (bug #57459)
John W. Eaton <jwe@octave.org>
parents: 27923
diff changeset
136 doc: /* -*- texinfo -*-
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
137 @deftypefn {} {@var{d} =} __eigs__ (@var{A})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
138 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{k})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
139 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{k}, @var{sigma})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
140 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{k}, @var{sigma}, @var{opts})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
141 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{B})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
142 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{B}, @var{k})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
143 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{B}, @var{k}, @var{sigma})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
144 @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{B}, @var{k}, @var{sigma}, @var{opts})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
145 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
146 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
147 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
148 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
149 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k}, @var{sigma})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
150 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k}, @var{sigma})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
151 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k}, @var{sigma}, @var{opts})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
152 @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k}, @var{sigma}, @var{opts})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
153 @deftypefnx {} {[@var{V}, @var{d}] =} __eigs__ (@var{A}, @dots{})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
154 @deftypefnx {} {[@var{V}, @var{d}] =} __eigs__ (@var{af}, @var{n}, @dots{})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
155 @deftypefnx {} {[@var{V}, @var{d}, @var{flag}] =} __eigs__ (@var{A}, @dots{})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
156 @deftypefnx {} {[@var{V}, @var{d}, @var{flag}] =} __eigs__ (@var{af}, @var{n}, @dots{})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
157 Undocumented internal function.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21743
diff changeset
158 @end deftypefn */)
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
159 {
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21691
diff changeset
160 #if defined (HAVE_ARPACK)
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21575
diff changeset
161
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
162 int nargin = args.length ();
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
163
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
164 if (nargin == 0)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
165 print_usage ();
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
166
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
167 octave_value_list retval;
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
168
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
169 std::string fcn_name;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
170 octave_idx_type n = 0;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
171 octave_idx_type k = 6;
26344
acfd683ea00b __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26164
diff changeset
172 Complex sigma = 0.0;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
173 double sigmar, sigmai;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
174 bool have_sigma = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
175 std::string typ = "LM";
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
176 Matrix amm, bmm, bmt;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
177 ComplexMatrix acm, bcm, bct;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
178 SparseMatrix asmm, bsmm, bsmt;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
179 SparseComplexMatrix ascm, bscm, bsct;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
180 int b_arg = 0;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
181 bool have_b = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
182 bool have_a_fun = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
183 bool a_is_complex = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
184 bool b_is_complex = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
185 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
186 bool sym_tested = false;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
187 bool cholB = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
188 bool a_is_sparse = false;
25696
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
189 bool b_is_sparse = false;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
190 ColumnVector permB;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
191 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
192 double tol = std::numeric_limits<double>::epsilon ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
193 int maxit = 300;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
194 int disp = 0;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
195 octave_idx_type p = -1;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
196 ColumnVector resid;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
197 ComplexColumnVector cresid;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
198 octave_idx_type info = 1;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
199
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
200 warned_imaginary = false;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
201
29480
b99d87eafd4e maint: merge stable to default.
Markus Mützel <markus.muetzel@gmx.de>
parents: 29359 29479
diff changeset
202 octave::unwind_protect_var<octave_value> restore_eigs_fnc(eigs_fcn);
28817
aef839f40da2 Replace unwind_protect with more efficient constructs (bug #59192).
Rik <rik@octave.org>
parents: 28024
diff changeset
203 octave::unwind_protect_var<int> restore_var (call_depth);
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
204 call_depth++;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
205
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
206 if (call_depth > 1)
20956
850e3d2533d4 maint: Eliminate more useless statements after error().
Rik <rik@octave.org>
parents: 20955
diff changeset
207 error ("eigs: invalid recursive call");
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
208
20790
c2d9556d51d0 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20785
diff changeset
209 if (args(0).is_function_handle () || args(0).is_inline_function ()
c2d9556d51d0 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20785
diff changeset
210 || args(0).is_string ())
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
211 {
26864
041caa61ed34 use get_function_handle instead of extract_function
John W. Eaton <jwe@octave.org>
parents: 26495
diff changeset
212 eigs_fcn = octave::get_function_handle (interp, args(0), "x");
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
213
26864
041caa61ed34 use get_function_handle instead of extract_function
John W. Eaton <jwe@octave.org>
parents: 26495
diff changeset
214 if (eigs_fcn.is_undefined ())
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20790
diff changeset
215 error ("eigs: unknown function");
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
216
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
217 if (nargin < 2)
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20790
diff changeset
218 error ("eigs: incorrect number of arguments");
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
219
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
220 n = args(1).nint_value ();
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
221 arg_offset = 1;
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
222 have_a_fun = true;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
223 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
224 else
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
225 {
23581
c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex.
Rik <rik@octave.org>
parents: 23478
diff changeset
226 if (args(0).iscomplex ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
227 {
23583
b7747a2c88b2 maint: Deprecate is_sparse_type and replace with issparse.
Rik <rik@octave.org>
parents: 23581
diff changeset
228 if (args(0).issparse ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
229 {
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
230 ascm = (args(0).sparse_complex_matrix_value ());
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
231 a_is_sparse = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
232 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
233 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
234 acm = (args(0).complex_matrix_value ());
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
235 a_is_complex = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
236 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
237 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
238 {
23583
b7747a2c88b2 maint: Deprecate is_sparse_type and replace with issparse.
Rik <rik@octave.org>
parents: 23581
diff changeset
239 if (args(0).issparse ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
240 {
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
241 asmm = (args(0).sparse_matrix_value ());
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
242 a_is_sparse = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
243 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
244 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
245 {
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
246 amm = (args(0).matrix_value ());
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
247 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
248 }
9593
cf8403208c43 Fix nesting error in options parsing of eigs
David Bateman <dbateman@free.fr>
parents: 9377
diff changeset
249 }
cf8403208c43 Fix nesting error in options parsing of eigs
David Bateman <dbateman@free.fr>
parents: 9377
diff changeset
250
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
251 // 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
252 // 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
253 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
254 && ! (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
255 {
23581
c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex.
Rik <rik@octave.org>
parents: 23478
diff changeset
256 if (args(1+arg_offset).iscomplex ())
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 b_arg = 1+arg_offset;
25696
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
259 if (args(b_arg).issparse ())
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
260 {
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
261 bscm = (args(b_arg).sparse_complex_matrix_value ());
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
262 b_is_sparse = true;
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
263 }
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
264 else
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
265 bcm = (args(b_arg).complex_matrix_value ());
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
266 have_b = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
267 b_is_complex = 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 }
9593
cf8403208c43 Fix nesting error in options parsing of eigs
David Bateman <dbateman@free.fr>
parents: 9377
diff changeset
270 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
271 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
272 b_arg = 1+arg_offset;
25696
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
273 if (args(b_arg).issparse ())
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
274 {
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
275 bsmm = (args(b_arg).sparse_matrix_value ());
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
276 b_is_sparse = true;
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
277 }
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
278 else
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
279 bmm = (args(b_arg).matrix_value ());
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
280 have_b = 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 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
283 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
284
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
285 if (nargin > (1+arg_offset))
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
286 k = args(1+arg_offset).nint_value ();
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
287
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
288 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
289 {
8845
5a6db6bd1a02 eigs.cc (Feigs): fix handling of sigma arg
John W. Eaton <jwe@octave.org>
parents: 8702
diff changeset
290 if (args(2+arg_offset).is_string ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
291 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
292 typ = args(2+arg_offset).string_value ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
293
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
294 // Use STL function to convert to upper case
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
295 transform (typ.begin (), typ.end (), typ.begin (), toupper);
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
296
26344
acfd683ea00b __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26164
diff changeset
297 sigma = 0.0;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
298 }
8683
e4f89f4a7cf8 eigs.cc (Feigs): avoid warnings; style fixes; return after errors
John W. Eaton <jwe@octave.org>
parents: 8585
diff changeset
299 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
300 {
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
301 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
302
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
303 have_sigma = true;
10154
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 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
306
22274
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args
John W. Eaton <jwe@octave.org>
parents: 22022
diff changeset
307 sigmar = sigma.real ();
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args
John W. Eaton <jwe@octave.org>
parents: 22022
diff changeset
308 sigmai = sigma.imag ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
309
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
310 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
311 {
23584
7ed6b258db91 maint: Deprecate is_map and replace with isstruct.
Rik <rik@octave.org>
parents: 23583
diff changeset
312 if (! args(3+arg_offset).isstruct ())
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
313 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
314
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
315 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
316
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
317 octave_value tmp;
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 // issym is ignored for complex matrix inputs
27692
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
320 tmp = map.getfield ("issym");
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
321 if (tmp.is_defined ())
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
322 {
27692
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
323 if (tmp.numel () != 1)
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
324 error ("eigs: OPTS.issym must be a scalar value");
26495
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
325
27692
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
326 symmetric = tmp.xbool_value ("eigs: OPTS.issym must be a logical value");
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
327 sym_tested = true;
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
328 }
11044
757249bb4888 eigs.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
329
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
330 // isreal is ignored if A is not a function
26495
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
331 if (have_a_fun)
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
332 {
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
333 tmp = map.getfield ("isreal");
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
334 if (tmp.is_defined ())
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
335 {
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
336 if (tmp.numel () != 1)
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
337 error ("eigs: OPTS.isreal must be a scalar value");
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
338
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
339 a_is_complex = ! tmp.xbool_value ("eigs: OPTS.isreal must be a logical value");
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
340 }
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
341 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
342
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
343 tmp = map.getfield ("tol");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
344 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
345 tol = tmp.double_value ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
346
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
347 tmp = map.getfield ("maxit");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
348 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
349 maxit = tmp.nint_value ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
350
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
351 tmp = map.getfield ("p");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
352 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
353 p = tmp.nint_value ();
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
354
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
355 tmp = map.getfield ("v0");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
356 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
357 {
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
358 if (a_is_complex || b_is_complex)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
359 cresid = ComplexColumnVector (tmp.complex_vector_value ());
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
360 else
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
361 resid = ColumnVector (tmp.vector_value ());
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
362 }
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
363
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
364 tmp = map.getfield ("disp");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
365 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
366 disp = tmp.nint_value ();
20703
85e5efae848a eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20687
diff changeset
367
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
368 tmp = map.getfield ("cholB");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
369 if (tmp.is_defined ())
26495
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
370 {
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
371 if (tmp.numel () != 1)
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
372 error ("eigs: OPTS.cholB must be a scalar value");
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
373
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
374 cholB = tmp.xbool_value ("eigs: OPTS.cholB must be a logical value");
f0065630ad9d __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
375 }
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
376
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
377 tmp = map.getfield ("permB");
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
378 if (tmp.is_defined ())
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
379 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
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 if (nargin > (4+arg_offset))
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20790
diff changeset
383 error ("eigs: incorrect number of arguments");
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
384
12649
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
385 // 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
386 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
387 {
27692
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
388 if (a_is_complex)
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
389 {
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
390 if (a_is_sparse)
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
391 symmetric = ascm.ishermitian ();
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
392 else
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
393 symmetric = acm.ishermitian ();
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
394 }
12649
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
395 else
27692
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
396 {
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
397 if (a_is_sparse)
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
398 symmetric = asmm.issymmetric ();
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
399 else
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
400 symmetric = amm.issymmetric ();
e557774a2604 Return real values for Hermitian inputs to eigs (bug #57196).
Rik <rik@octave.org>
parents: 27683
diff changeset
401 }
12649
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
402 }
8579e7a6e6e0 Improve performance (2X) of svds by avoiding issymmetric calculation (bug #33073)
Rik <octave@nomad.inbox5.com>
parents: 12329
diff changeset
403
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
404 if (have_b)
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 if (a_is_complex || b_is_complex)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
407 {
25696
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
408 if (b_is_sparse)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
409 bscm = args(b_arg).sparse_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
410 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
411 bcm = args(b_arg).complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
412 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
413 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
414 {
25696
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
415 if (b_is_sparse)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
416 bsmm = args(b_arg).sparse_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
417 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
418 bmm = args(b_arg).matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
419 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
420 }
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
421
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11553
diff changeset
422 // 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
423 // 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
424 if (! have_sigma && typ == "SM")
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
425 have_sigma = true;
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
426
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
427 octave_idx_type nconv;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
428 if (a_is_complex || b_is_complex)
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
429 {
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
430 ComplexMatrix eig_vec;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
431 ComplexColumnVector eig_val;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
432
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
433 if (have_a_fun)
25696
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
434 {
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
435 if (b_is_sparse)
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
436 nconv = EigsComplexNonSymmetricFunc
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
437 (eigs_complex_func, n, typ, sigma, k, p, info, eig_vec,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
438 eig_val, bscm, permB, cresid, octave_stdout, tol,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
439 (nargout > 1), cholB, disp, maxit);
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
440 else
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
441 nconv = EigsComplexNonSymmetricFunc
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
442 (eigs_complex_func, n, typ, sigma, k, p, info, eig_vec,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
443 eig_val, bcm, permB, cresid, octave_stdout, tol,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
444 (nargout > 1), cholB, disp, maxit);
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
445 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
446 else if (have_sigma)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
447 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
448 if (a_is_sparse)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
449 nconv = EigsComplexNonSymmetricMatrixShift
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
450 (ascm, sigma, k, p, info, eig_vec, eig_val, bscm, permB,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
451 cresid, octave_stdout, tol, (nargout > 1), cholB, disp,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
452 maxit);
20556
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 nconv = EigsComplexNonSymmetricMatrixShift
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
455 (acm, sigma, k, p, info, eig_vec, eig_val, bcm, permB,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
456 cresid, octave_stdout, tol, (nargout > 1), cholB, disp,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
457 maxit);
20556
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 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
460 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
461 if (a_is_sparse)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
462 nconv = EigsComplexNonSymmetricMatrix
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
463 (ascm, typ, k, p, info, eig_vec, eig_val, bscm, permB,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
464 cresid, octave_stdout, tol, (nargout > 1), cholB, disp,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
465 maxit);
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
466 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
467 nconv = EigsComplexNonSymmetricMatrix
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
468 (acm, typ, k, p, info, eig_vec, eig_val, bcm, permB,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
469 cresid, octave_stdout, tol, (nargout > 1), cholB, disp,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
470 maxit);
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
471 }
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 (nargout < 2)
27683
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
474 {
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
475 if (symmetric)
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
476 retval(0) = real (eig_val);
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
477 else
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
478 retval(0) = eig_val;
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
479 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
480 else
27683
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
481 {
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
482 if (symmetric)
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
483 retval = ovl (eig_vec, DiagMatrix (real (eig_val)), double (info));
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
484 else
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
485 retval = ovl (eig_vec, ComplexDiagMatrix (eig_val), double (info));
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
486 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
487 }
26344
acfd683ea00b __eigs__.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26164
diff changeset
488 else if (sigmai != 0.0)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
489 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
490 // 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
491 ComplexMatrix eig_vec;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
492 ComplexColumnVector eig_val;
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 if (have_a_fun)
25696
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
495 {
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
496 if (b_is_sparse)
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
497 nconv = EigsComplexNonSymmetricFunc
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
498 (eigs_complex_func, n, typ, sigma, k, p, info, eig_vec,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
499 eig_val, bscm, permB, cresid, octave_stdout, tol,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
500 (nargout > 1), cholB, disp, maxit);
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
501 else
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
502 nconv = EigsComplexNonSymmetricFunc
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
503 (eigs_complex_func, n, typ, sigma, k, p, info, eig_vec,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
504 eig_val, bcm, permB, cresid, octave_stdout, tol,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
505 (nargout > 1), cholB, disp, maxit);
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
506 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
507 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
508 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
509 if (a_is_sparse)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
510 nconv = EigsComplexNonSymmetricMatrixShift
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
511 (SparseComplexMatrix (asmm), sigma, k, p, info, eig_vec,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
512 eig_val, SparseComplexMatrix (bsmm), permB, cresid,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
513 octave_stdout, tol, (nargout > 1), cholB, disp, maxit);
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
514 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
515 nconv = EigsComplexNonSymmetricMatrixShift
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
516 (ComplexMatrix (amm), sigma, k, p, info, eig_vec,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
517 eig_val, ComplexMatrix (bmm), permB, cresid,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
518 octave_stdout, tol, (nargout > 1), cholB, disp, maxit);
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
519 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
520
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
521 if (nargout < 2)
27683
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
522 {
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
523 if (symmetric)
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
524 retval(0) = real (eig_val);
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
525 else
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
526 retval(0) = eig_val;
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
527 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
528 else
27683
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
529 {
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
530 if (symmetric)
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
531 retval = ovl (eig_vec, DiagMatrix (real (eig_val)), double (info));
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
532 else
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
533 retval = ovl (eig_vec, ComplexDiagMatrix (eig_val), double (info));
6604b41ca63f Return only real eigenvalues from eigs() for symmetric matrices (bug #57196).
Rik <rik@octave.org>
parents: 26864
diff changeset
534 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
535 }
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
536 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
537 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
538 if (symmetric)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
539 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
540 Matrix eig_vec;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
541 ColumnVector eig_val;
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
542
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
543 if (have_a_fun)
25696
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
544 {
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
545 if (b_is_sparse)
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
546 nconv = EigsRealSymmetricFunc
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
547 (eigs_func, n, typ, sigmar, k, p, info, eig_vec,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
548 eig_val, bsmm, permB, resid, octave_stdout, tol,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
549 (nargout > 1), cholB, disp, maxit);
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
550 else
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
551 nconv = EigsRealSymmetricFunc
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
552 (eigs_func, n, typ, sigmar, k, p, info, eig_vec,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
553 eig_val, bmm, permB, resid, octave_stdout, tol,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
554 (nargout > 1), cholB, disp, maxit);
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
555 }
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
556 else if (have_sigma)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
557 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
558 if (a_is_sparse)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
559 nconv = EigsRealSymmetricMatrixShift
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
560 (asmm, sigmar, k, p, info, eig_vec, eig_val, bsmm,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
561 permB, resid, octave_stdout, tol, (nargout > 1),
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
562 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
563 else
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
564 nconv = EigsRealSymmetricMatrixShift
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
565 (amm, sigmar, k, p, info, eig_vec, eig_val, bmm,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
566 permB, resid, octave_stdout, tol, (nargout > 1),
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
567 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
568 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
569 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
570 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
571 if (a_is_sparse)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
572 nconv = EigsRealSymmetricMatrix
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
573 (asmm, typ, k, p, info, eig_vec, eig_val, bsmm,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
574 permB, resid, octave_stdout, tol, (nargout > 1),
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
575 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
576 else
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
577 nconv = EigsRealSymmetricMatrix
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
578 (amm, typ, k, p, info, eig_vec, eig_val, bmm, permB,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
579 resid, octave_stdout, tol, (nargout > 1), cholB,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
580 disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
581 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
582
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
583 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
584 retval(0) = eig_val;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
585 else
20871
1e4edab2d22f 2015 Code Sprint: __eigs__.cc: use ovl ().
Rik <rik@octave.org>
parents: 20853
diff changeset
586 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
587 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
588 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
589 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
590 ComplexMatrix eig_vec;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
591 ComplexColumnVector eig_val;
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
592
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
593 if (have_a_fun)
25696
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
594 {
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
595 if (b_is_sparse)
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
596 nconv = EigsRealNonSymmetricFunc
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
597 (eigs_func, n, typ, sigmar, k, p, info, eig_vec,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
598 eig_val, bsmm, permB, resid, octave_stdout, tol,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
599 (nargout > 1), cholB, disp, maxit);
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
600 else
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
601 nconv = EigsRealNonSymmetricFunc
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
602 (eigs_func, n, typ, sigmar, k, p, info, eig_vec,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
603 eig_val, bmm, permB, resid, octave_stdout, tol,
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
604 (nargout > 1), cholB, disp, maxit);
3b6691ff0f59 Fix eigs for generalized problems with user defined function (bug #54167).
Marco Caliari <marco.caliari@univr.it>
parents: 25054
diff changeset
605 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
606 else if (have_sigma)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
607 {
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
608 if (a_is_sparse)
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
609 nconv = EigsRealNonSymmetricMatrixShift
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
610 (asmm, sigmar, k, p, info, eig_vec, eig_val, bsmm,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
611 permB, resid, octave_stdout, tol, (nargout > 1),
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
612 cholB, disp, maxit);
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
613 else
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
614 nconv = EigsRealNonSymmetricMatrixShift
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
615 (amm, sigmar, k, p, info, eig_vec, eig_val, bmm,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
616 permB, resid, octave_stdout, tol, (nargout > 1),
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
617 cholB, disp, maxit);
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
618 }
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
619 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
620 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
621 if (a_is_sparse)
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
622 nconv = EigsRealNonSymmetricMatrix
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
623 (asmm, typ, k, p, info, eig_vec, eig_val, bsmm,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
624 permB, resid, octave_stdout, tol, (nargout > 1),
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
625 cholB, disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
626 else
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
627 nconv = EigsRealNonSymmetricMatrix
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
628 (amm, typ, k, p, info, eig_vec, eig_val, bmm, permB,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
629 resid, octave_stdout, tol, (nargout > 1), cholB,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
630 disp, maxit);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
631 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
632
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
633 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
634 retval(0) = eig_val;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
635 else
20871
1e4edab2d22f 2015 Code Sprint: __eigs__.cc: use ovl ().
Rik <rik@octave.org>
parents: 20853
diff changeset
636 retval = ovl (eig_vec, ComplexDiagMatrix (eig_val), double (info));
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 10066
diff changeset
637 }
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
638 }
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
639
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
640 if (nconv <= 0)
24334
d3d38a443df8 Add new warning ID "Octave:eigs:UnconvergedEigenvalues".
Rik <rik@octave.org>
parents: 24119
diff changeset
641 warning_with_id ("Octave:eigs:UnconvergedEigenvalues",
26164
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 25696
diff changeset
642 "eigs: None of the %" OCTAVE_IDX_TYPE_FORMAT
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 25696
diff changeset
643 " requested eigenvalues converged", k);
20556
4bed806ee3d4 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
644 else if (nconv < k)
24334
d3d38a443df8 Add new warning ID "Octave:eigs:UnconvergedEigenvalues".
Rik <rik@octave.org>
parents: 24119
diff changeset
645 warning_with_id ("Octave:eigs:UnconvergedEigenvalues",
26164
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 25696
diff changeset
646 "eigs: Only %" OCTAVE_IDX_TYPE_FORMAT
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 25696
diff changeset
647 " of the %" OCTAVE_IDX_TYPE_FORMAT
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 25696
diff changeset
648 " requested eigenvalues converged",
24334
d3d38a443df8 Add new warning ID "Octave:eigs:UnconvergedEigenvalues".
Rik <rik@octave.org>
parents: 24119
diff changeset
649 nconv, k);
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
650
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
651 if (! fcn_name.empty ())
23699
b29904962d2d deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents: 23596
diff changeset
652 {
b29904962d2d deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents: 23596
diff changeset
653 octave::symbol_table& symtab = interp.get_symbol_table ();
b29904962d2d deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents: 23596
diff changeset
654
b29904962d2d deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents: 23596
diff changeset
655 symtab.clear_function (fcn_name);
b29904962d2d deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents: 23596
diff changeset
656 }
20825
66cd994d1b79 eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20790
diff changeset
657
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
658 return retval;
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20871
diff changeset
659
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
660 #else
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21575
diff changeset
661
24119
3cdd0705745b maint: silence compiler warning when building without ARPACK
Mike Miller <mtmiller@octave.org>
parents: 23699
diff changeset
662 octave_unused_parameter (interp);
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21575
diff changeset
663 octave_unused_parameter (args);
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21575
diff changeset
664 octave_unused_parameter (nargout);
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21575
diff changeset
665
21109
bd1752782e56 Use err_disabled_feature, warn_disabled_feature throughout code base.
Rik <rik@octave.org>
parents: 21100
diff changeset
666 err_disabled_feature ("eigs", "ARPACK");
21691
263d18409fdf Eliminate unused variable warnings for conditionally compiled code.
John W. Eaton <jwe@octave.org>
parents: 21575
diff changeset
667
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
668 #endif
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
diff changeset
669 }
21575
bc9aa534bc29 maint: Clean up BIST tests so they don't produce warnings.
Rik <rik@octave.org>
parents: 21301
diff changeset
670
bc9aa534bc29 maint: Clean up BIST tests so they don't produce warnings.
Rik <rik@octave.org>
parents: 21301
diff changeset
671 /*
bc9aa534bc29 maint: Clean up BIST tests so they don't produce warnings.
Rik <rik@octave.org>
parents: 21301
diff changeset
672 ## No test needed for internal helper function.
bc9aa534bc29 maint: Clean up BIST tests so they don't produce warnings.
Rik <rik@octave.org>
parents: 21301
diff changeset
673 %!assert (1)
bc9aa534bc29 maint: Clean up BIST tests so they don't produce warnings.
Rik <rik@octave.org>
parents: 21301
diff changeset
674 */