Mercurial > octave
annotate libinterp/corefcn/find.cc @ 18100:6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
* libinterp/corefcn/balance.cc, libinterp/corefcn/bsxfun.cc,
libinterp/corefcn/cellfun.cc, libinterp/corefcn/data.cc,
libinterp/corefcn/dlmread.cc, libinterp/corefcn/dot.cc,
libinterp/corefcn/eig.cc, libinterp/corefcn/find.cc, libinterp/corefcn/gcd.cc,
libinterp/corefcn/gl-render.cc, libinterp/corefcn/gl2ps-renderer.cc,
libinterp/corefcn/graphics.cc, libinterp/corefcn/kron.cc,
libinterp/corefcn/load-save.cc, libinterp/corefcn/lookup.cc,
libinterp/corefcn/ls-hdf5.cc, libinterp/corefcn/ls-mat5.cc,
libinterp/corefcn/lu.cc, libinterp/corefcn/max.cc,
libinterp/corefcn/oct-map.cc, libinterp/corefcn/oct-obj.cc,
libinterp/corefcn/oct-stream.cc, libinterp/corefcn/sparse.cc,
libinterp/corefcn/sqrtm.cc, libinterp/corefcn/str2double.cc,
libinterp/corefcn/strfind.cc, libinterp/corefcn/strfns.cc,
libinterp/corefcn/tril.cc, libinterp/corefcn/txt-eng-ft.cc,
libinterp/corefcn/variables.cc, libinterp/corefcn/xdiv.cc,
libinterp/dldfcn/__delaunayn__.cc, libinterp/dldfcn/qr.cc,
libinterp/dldfcn/symrcm.cc, libinterp/dldfcn/tsearch.cc,
libinterp/octave-value/ov-base-diag.cc, libinterp/octave-value/ov-base-int.cc,
libinterp/octave-value/ov-base-mat.cc, libinterp/octave-value/ov-bool-mat.cc,
libinterp/octave-value/ov-bool-sparse.cc, libinterp/octave-value/ov-bool.cc,
libinterp/octave-value/ov-cell.cc, libinterp/octave-value/ov-class.cc,
libinterp/octave-value/ov-complex.cc, libinterp/octave-value/ov-cx-diag.cc,
libinterp/octave-value/ov-cx-mat.cc, libinterp/octave-value/ov-cx-sparse.cc,
libinterp/octave-value/ov-fcn-handle.cc,
libinterp/octave-value/ov-fcn-inline.cc, libinterp/octave-value/ov-float.cc,
libinterp/octave-value/ov-flt-complex.cc,
libinterp/octave-value/ov-flt-cx-diag.cc,
libinterp/octave-value/ov-flt-cx-mat.cc,
libinterp/octave-value/ov-flt-re-diag.cc,
libinterp/octave-value/ov-flt-re-mat.cc, libinterp/octave-value/ov-java.cc,
libinterp/octave-value/ov-range.cc, libinterp/octave-value/ov-re-diag.cc,
libinterp/octave-value/ov-re-mat.cc, libinterp/octave-value/ov-re-sparse.cc,
libinterp/octave-value/ov-scalar.cc, libinterp/octave-value/ov-str-mat.cc,
libinterp/octave-value/ov-usr-fcn.cc, libinterp/parse-tree/pt-cbinop.cc,
libinterp/parse-tree/pt-eval.cc, libinterp/parse-tree/pt-mat.cc:
Follow coding convention of defining and initializing only 1 variable per line
in liboctinterp.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 05 Dec 2013 10:50:17 -0800 |
parents | 175b392e91fe |
children | 5bd1ca29c5f0 |
rev | line source |
---|---|
2928 | 1 /* |
2 | |
17744
d63878346099
maint: Update copyright notices for release.
John W. Eaton <jwe@octave.org>
parents:
17281
diff
changeset
|
3 Copyright (C) 1996-2013 John W. Eaton |
2928 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
2928 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
2928 | 20 |
21 */ | |
22 | |
23 #ifdef HAVE_CONFIG_H | |
24 #include <config.h> | |
25 #endif | |
26 | |
4153 | 27 #include "quit.h" |
28 | |
15039
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14854
diff
changeset
|
29 #include "defun.h" |
2928 | 30 #include "error.h" |
31 #include "gripes.h" | |
32 #include "oct-obj.h" | |
33 | |
6002 | 34 // Find at most N_TO_FIND nonzero elements in NDA. Search forward if |
35 // DIRECTION is 1, backward if it is -1. NARGOUT is the number of | |
36 // output arguments. If N_TO_FIND is -1, find all nonzero elements. | |
4678 | 37 |
38 template <typename T> | |
39 octave_value_list | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
40 find_nonzero_elem_idx (const Array<T>& nda, int nargout, |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
41 octave_idx_type n_to_find, int direction) |
4678 | 42 { |
6002 | 43 octave_value_list retval ((nargout == 0 ? 1 : nargout), Matrix ()); |
4678 | 44 |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
45 Array<octave_idx_type> idx; |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
46 if (n_to_find >= 0) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
47 idx = nda.find (n_to_find, direction == -1); |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
48 else |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
49 idx = nda.find (); |
5130 | 50 |
10285
22a7913bbeb5
optimize return values of find and sort
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
51 // The maximum element is always at the end. |
22a7913bbeb5
optimize return values of find and sort
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
52 octave_idx_type iext = idx.is_empty () ? 0 : idx.xelem (idx.numel () - 1) + 1; |
22a7913bbeb5
optimize return values of find and sort
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
53 |
2928 | 54 switch (nargout) |
55 { | |
6254 | 56 default: |
2928 | 57 case 3: |
9732
b4fdfee405b5
remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents:
9544
diff
changeset
|
58 retval(2) = Array<T> (nda.index (idx_vector (idx))); |
2928 | 59 // Fall through! |
60 | |
61 case 2: | |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
62 { |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
63 Array<octave_idx_type> jdx (idx.dims ()); |
18100
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
64 octave_idx_type n = idx.length (); |
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
65 octave_idx_type nr = nda.rows (); |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
66 for (octave_idx_type i = 0; i < n; i++) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
67 { |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
68 jdx.xelem (i) = idx.xelem (i) / nr; |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
69 idx.xelem (i) %= nr; |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
70 } |
10285
22a7913bbeb5
optimize return values of find and sort
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
71 iext = -1; |
22a7913bbeb5
optimize return values of find and sort
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
72 retval(1) = idx_vector (jdx, -1); |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
73 } |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
74 // Fall through! |
2928 | 75 |
6254 | 76 case 1: |
77 case 0: | |
10285
22a7913bbeb5
optimize return values of find and sort
Jaroslav Hajek <highegg@gmail.com>
parents:
10155
diff
changeset
|
78 retval(0) = idx_vector (idx, iext); |
2928 | 79 break; |
80 } | |
81 | |
82 return retval; | |
83 } | |
84 | |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
85 template <typename T> |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
86 octave_value_list |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
87 find_nonzero_elem_idx (const Sparse<T>& v, int nargout, |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
88 octave_idx_type n_to_find, int direction) |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
89 { |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
90 octave_value_list retval ((nargout == 0 ? 1 : nargout), Matrix ()); |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
91 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
92 |
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14501
diff
changeset
|
93 octave_idx_type nc = v.cols (); |
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14501
diff
changeset
|
94 octave_idx_type nr = v.rows (); |
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14501
diff
changeset
|
95 octave_idx_type nz = v.nnz (); |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
96 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
97 // Search in the default range. |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
98 octave_idx_type start_nc = -1; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
99 octave_idx_type end_nc = -1; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
100 octave_idx_type count; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
101 |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
102 // Search for the range to search |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
103 if (n_to_find < 0) |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
104 { |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
105 start_nc = 0; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
106 end_nc = nc; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
107 n_to_find = nz; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
108 count = nz; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
109 } |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
110 else if (direction > 0) |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
111 { |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
112 for (octave_idx_type j = 0; j < nc; j++) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
113 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
114 OCTAVE_QUIT; |
14854
5ae9f0f77635
maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
115 if (v.cidx (j) == 0 && v.cidx (j+1) != 0) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
116 start_nc = j; |
14854
5ae9f0f77635
maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
117 if (v.cidx (j+1) >= n_to_find) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
118 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
119 end_nc = j + 1; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
120 break; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
121 } |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
122 } |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
123 } |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
124 else |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
125 { |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
126 for (octave_idx_type j = nc; j > 0; j--) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
127 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
128 OCTAVE_QUIT; |
14854
5ae9f0f77635
maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
129 if (v.cidx (j) == nz && v.cidx (j-1) != nz) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
130 end_nc = j; |
14854
5ae9f0f77635
maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
131 if (nz - v.cidx (j-1) >= n_to_find) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
132 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
133 start_nc = j - 1; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
134 break; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
135 } |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
136 } |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
137 } |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
138 |
14854
5ae9f0f77635
maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
139 count = (n_to_find > v.cidx (end_nc) - v.cidx (start_nc) ? |
5ae9f0f77635
maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
140 v.cidx (end_nc) - v.cidx (start_nc) : n_to_find); |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
141 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
142 // If the original argument was a row vector, force a row vector of |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
143 // the overall indices to be returned. But see below for scalar |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
144 // case... |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
145 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
146 octave_idx_type result_nr = count; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
147 octave_idx_type result_nc = 1; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
148 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
149 bool scalar_arg = false; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
150 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
151 if (v.rows () == 1) |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
152 { |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
153 result_nr = 1; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
154 result_nc = count; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
155 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
156 scalar_arg = (v.columns () == 1); |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
157 } |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
158 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
159 Matrix idx (result_nr, result_nc); |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
160 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
161 Matrix i_idx (result_nr, result_nc); |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
162 Matrix j_idx (result_nr, result_nc); |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
163 |
9732
b4fdfee405b5
remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents:
9544
diff
changeset
|
164 Array<T> val (dim_vector (result_nr, result_nc)); |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
165 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
166 if (count > 0) |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
167 { |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
168 // Search for elements to return. Only search the region where |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
169 // there are elements to be found using the count that we want |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
170 // to find. |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
171 for (octave_idx_type j = start_nc, cx = 0; j < end_nc; j++) |
14854
5ae9f0f77635
maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
172 for (octave_idx_type i = v.cidx (j); i < v.cidx (j+1); i++ ) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
173 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
174 OCTAVE_QUIT; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
175 if (direction < 0 && i < nz - count) |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
176 continue; |
14854
5ae9f0f77635
maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
177 i_idx(cx) = static_cast<double> (v.ridx (i) + 1); |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
178 j_idx(cx) = static_cast<double> (j + 1); |
14854
5ae9f0f77635
maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
179 idx(cx) = j * nr + v.ridx (i) + 1; |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
180 val(cx) = v.data(i); |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
181 cx++; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
182 if (cx == count) |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
183 break; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
184 } |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
185 } |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
186 else if (scalar_arg) |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
187 { |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
188 idx.resize (0, 0); |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
189 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
190 i_idx.resize (0, 0); |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
191 j_idx.resize (0, 0); |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
192 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
193 val.resize (dim_vector (0, 0)); |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
194 } |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
195 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
196 switch (nargout) |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
197 { |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
198 case 0: |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
199 case 1: |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
200 retval(0) = idx; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
201 break; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
202 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
203 case 5: |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
204 retval(4) = nc; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
205 // Fall through |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
206 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
207 case 4: |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
208 retval(3) = nr; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
209 // Fall through |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
210 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
211 case 3: |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
212 retval(2) = val; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
213 // Fall through! |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
214 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
215 case 2: |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
216 retval(1) = j_idx; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
217 retval(0) = i_idx; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
218 break; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
219 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
220 default: |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
221 panic_impossible (); |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
222 break; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
223 } |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
224 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
225 return retval; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
226 } |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
227 |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
228 octave_value_list |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
229 find_nonzero_elem_idx (const PermMatrix& v, int nargout, |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
230 octave_idx_type n_to_find, int direction) |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
231 { |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
232 // There are far fewer special cases to handle for a PermMatrix. |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
233 octave_value_list retval ((nargout == 0 ? 1 : nargout), Matrix ()); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
234 |
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14501
diff
changeset
|
235 octave_idx_type nc = v.cols (); |
13219
cf5ebc0e47e4
fix warnings for unused but set variables and shadowed variables
John W. Eaton <jwe@octave.org>
parents:
12639
diff
changeset
|
236 octave_idx_type start_nc, count; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
237 |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
238 // Determine the range to search. |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
239 if (n_to_find < 0 || n_to_find >= nc) |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
240 { |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
241 start_nc = 0; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
242 n_to_find = nc; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
243 count = nc; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
244 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
245 else if (direction > 0) |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
246 { |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
247 start_nc = 0; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
248 count = n_to_find; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
249 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
250 else |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
251 { |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
252 start_nc = nc - n_to_find; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
253 count = n_to_find; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
254 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
255 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
256 bool scalar_arg = (v.rows () == 1 && v.cols () == 1); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
257 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
258 Matrix idx (count, 1); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
259 Matrix i_idx (count, 1); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
260 Matrix j_idx (count, 1); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
261 // Every value is 1. |
9732
b4fdfee405b5
remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents:
9544
diff
changeset
|
262 Array<double> val (dim_vector (count, 1), 1.0); |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
263 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
264 if (count > 0) |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
265 { |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
266 const octave_idx_type* p = v.data (); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
267 if (v.is_col_perm ()) |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
268 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
269 for (octave_idx_type k = 0; k < count; k++) |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
270 { |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
271 OCTAVE_QUIT; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
272 const octave_idx_type j = start_nc + k; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
273 const octave_idx_type i = p[j]; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
274 i_idx(k) = static_cast<double> (1+i); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
275 j_idx(k) = static_cast<double> (1+j); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
276 idx(k) = j * nc + i + 1; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
277 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
278 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
279 else |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
280 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
281 for (octave_idx_type k = 0; k < count; k++) |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
282 { |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
283 OCTAVE_QUIT; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
284 const octave_idx_type i = start_nc + k; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
285 const octave_idx_type j = p[i]; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
286 // Scatter into the index arrays according to |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
287 // j adjusted by the start point. |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
288 const octave_idx_type koff = j - start_nc; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
289 i_idx(koff) = static_cast<double> (1+i); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
290 j_idx(koff) = static_cast<double> (1+j); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
291 idx(koff) = j * nc + i + 1; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
292 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
293 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
294 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
295 else if (scalar_arg) |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
296 { |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
297 // Same odd compatibility case as the other overrides. |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
298 idx.resize (0, 0); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
299 i_idx.resize (0, 0); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
300 j_idx.resize (0, 0); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
301 val.resize (dim_vector (0, 0)); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
302 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
303 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
304 switch (nargout) |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
305 { |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
306 case 0: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
307 case 1: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
308 retval(0) = idx; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
309 break; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
310 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
311 case 5: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
312 retval(4) = nc; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
313 // Fall through |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
314 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
315 case 4: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
316 retval(3) = nc; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
317 // Fall through |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
318 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
319 case 3: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
320 retval(2) = val; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
321 // Fall through! |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
322 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
323 case 2: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
324 retval(1) = j_idx; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
325 retval(0) = i_idx; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
326 break; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
327 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
328 default: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
329 panic_impossible (); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
330 break; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
331 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
332 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
333 return retval; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
334 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
335 |
15039
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14854
diff
changeset
|
336 DEFUN (find, args, nargout, |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
337 "-*- texinfo -*-\n\ |
15039
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14854
diff
changeset
|
338 @deftypefn {Built-in Function} {@var{idx} =} find (@var{x})\n\ |
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14854
diff
changeset
|
339 @deftypefnx {Built-in Function} {@var{idx} =} find (@var{x}, @var{n})\n\ |
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14854
diff
changeset
|
340 @deftypefnx {Built-in Function} {@var{idx} =} find (@var{x}, @var{n}, @var{direction})\n\ |
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14854
diff
changeset
|
341 @deftypefnx {Built-in Function} {[i, j] =} find (@dots{})\n\ |
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14854
diff
changeset
|
342 @deftypefnx {Built-in Function} {[i, j, v] =} find (@dots{})\n\ |
6524 | 343 Return a vector of indices of nonzero elements of a matrix, as a row if\n\ |
12639
4d777e05d47c
doc: Review and update documentation for "Matrix Manipulation" chapter.
Rik <octave@nomad.inbox5.com>
parents:
11586
diff
changeset
|
344 @var{x} is a row vector or as a column otherwise. To obtain a single index\n\ |
4d777e05d47c
doc: Review and update documentation for "Matrix Manipulation" chapter.
Rik <octave@nomad.inbox5.com>
parents:
11586
diff
changeset
|
345 for each matrix element, Octave pretends that the columns of a matrix form\n\ |
4d777e05d47c
doc: Review and update documentation for "Matrix Manipulation" chapter.
Rik <octave@nomad.inbox5.com>
parents:
11586
diff
changeset
|
346 one long vector (like Fortran arrays are stored). For example:\n\ |
3369 | 347 \n\ |
348 @example\n\ | |
349 @group\n\ | |
350 find (eye (2))\n\ | |
14360
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
351 @result{} [ 1; 4 ]\n\ |
3369 | 352 @end group\n\ |
353 @end example\n\ | |
354 \n\ | |
355 If two outputs are requested, @code{find} returns the row and column\n\ | |
10840 | 356 indices of nonzero elements of a matrix. For example:\n\ |
3369 | 357 \n\ |
358 @example\n\ | |
359 @group\n\ | |
360 [i, j] = find (2 * eye (2))\n\ | |
14360
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
361 @result{} i = [ 1; 2 ]\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
362 @result{} j = [ 1; 2 ]\n\ |
3369 | 363 @end group\n\ |
364 @end example\n\ | |
365 \n\ | |
366 If three outputs are requested, @code{find} also returns a vector\n\ | |
10840 | 367 containing the nonzero values. For example:\n\ |
3369 | 368 \n\ |
369 @example\n\ | |
370 @group\n\ | |
371 [i, j, v] = find (3 * eye (2))\n\ | |
14360
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
372 @result{} i = [ 1; 2 ]\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
373 @result{} j = [ 1; 2 ]\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
374 @result{} v = [ 3; 3 ]\n\ |
3369 | 375 @end group\n\ |
376 @end example\n\ | |
6002 | 377 \n\ |
9310 | 378 If two inputs are given, @var{n} indicates the maximum number of\n\ |
379 elements to find from the beginning of the matrix or vector.\n\ | |
6002 | 380 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
15195
diff
changeset
|
381 If three inputs are given, @var{direction} should be one of\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
15195
diff
changeset
|
382 @qcode{\"first\"} or @qcode{\"last\"}, requesting only the first or last\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
15195
diff
changeset
|
383 @var{n} indices, respectively. However, the indices are always returned in\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
15195
diff
changeset
|
384 ascending order.\n\ |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
385 \n\ |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
386 Note that this function is particularly useful for sparse matrices, as\n\ |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
387 it extracts the non-zero elements as vectors, which can then be used to\n\ |
10840 | 388 create the original matrix. For example:\n\ |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
389 \n\ |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
390 @example\n\ |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
391 @group\n\ |
12639
4d777e05d47c
doc: Review and update documentation for "Matrix Manipulation" chapter.
Rik <octave@nomad.inbox5.com>
parents:
11586
diff
changeset
|
392 sz = size (a);\n\ |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
393 [i, j, v] = find (a);\n\ |
12639
4d777e05d47c
doc: Review and update documentation for "Matrix Manipulation" chapter.
Rik <octave@nomad.inbox5.com>
parents:
11586
diff
changeset
|
394 b = sparse (i, j, v, sz(1), sz(2));\n\ |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
395 @end group\n\ |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
396 @end example\n\ |
11553
01f703952eff
Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
397 @seealso{nonzeros}\n\ |
3369 | 398 @end deftypefn") |
2928 | 399 { |
400 octave_value_list retval; | |
401 | |
402 int nargin = args.length (); | |
403 | |
6002 | 404 if (nargin > 3 || nargin < 1) |
2928 | 405 { |
5823 | 406 print_usage (); |
2928 | 407 return retval; |
408 } | |
409 | |
6002 | 410 // Setup the default options. |
411 octave_idx_type n_to_find = -1; | |
412 if (nargin > 1) | |
413 { | |
9310 | 414 double val = args(1).scalar_value (); |
415 | |
10338
21dd58bd683c
fix unsafe conversion in find
Jaroslav Hajek <highegg@gmail.com>
parents:
10285
diff
changeset
|
416 if (error_state || (val < 0 || (! xisinf (val) && val != xround (val)))) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
417 { |
14062
5b49cafe0599
Use non-negative, non-positive with hyphens in error messages.
Rik <octave@nomad.inbox5.com>
parents:
13915
diff
changeset
|
418 error ("find: N must be a non-negative integer"); |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
419 return retval; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
420 } |
10338
21dd58bd683c
fix unsafe conversion in find
Jaroslav Hajek <highegg@gmail.com>
parents:
10285
diff
changeset
|
421 else if (! xisinf (val)) |
9310 | 422 n_to_find = val; |
6002 | 423 } |
424 | |
425 // Direction to do the searching (1 == forward, -1 == reverse). | |
426 int direction = 1; | |
427 if (nargin > 2) | |
428 { | |
429 direction = 0; | |
430 | |
431 std::string s_arg = args(2).string_value (); | |
432 | |
433 if (! error_state) | |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
434 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
435 if (s_arg == "first") |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
436 direction = 1; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
437 else if (s_arg == "last") |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
438 direction = -1; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
439 } |
6002 | 440 |
441 if (direction == 0) | |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
442 { |
11553
01f703952eff
Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
443 error ("find: DIRECTION must be \"first\" or \"last\""); |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
444 return retval; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
445 } |
6002 | 446 } |
447 | |
2928 | 448 octave_value arg = args(0); |
449 | |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
450 if (arg.is_bool_type ()) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
451 { |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
452 if (arg.is_sparse_type ()) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
453 { |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
454 SparseBoolMatrix v = arg.sparse_bool_matrix_value (); |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
455 |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
456 if (! error_state) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
457 retval = find_nonzero_elem_idx (v, nargout, |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
458 n_to_find, direction); |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
459 } |
9544
df0abc63c230
cache/use cached index vector on full find in logical masks
Jaroslav Hajek <highegg@gmail.com>
parents:
9351
diff
changeset
|
460 else if (nargout <= 1 && n_to_find == -1 && direction == 1) |
df0abc63c230
cache/use cached index vector on full find in logical masks
Jaroslav Hajek <highegg@gmail.com>
parents:
9351
diff
changeset
|
461 { |
df0abc63c230
cache/use cached index vector on full find in logical masks
Jaroslav Hajek <highegg@gmail.com>
parents:
9351
diff
changeset
|
462 // This case is equivalent to extracting indices from a logical |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
463 // matrix. Try to reuse the possibly cached index vector. |
9894
83bd7f34f9da
improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9732
diff
changeset
|
464 retval(0) = arg.index_vector ().unmask (); |
9544
df0abc63c230
cache/use cached index vector on full find in logical masks
Jaroslav Hajek <highegg@gmail.com>
parents:
9351
diff
changeset
|
465 } |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
466 else |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
467 { |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
468 boolNDArray v = arg.bool_array_value (); |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
469 |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
470 if (! error_state) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
471 retval = find_nonzero_elem_idx (v, nargout, |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
472 n_to_find, direction); |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
473 } |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
474 } |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
475 else if (arg.is_integer_type ()) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
476 { |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
477 #define DO_INT_BRANCH(INTT) \ |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
478 else if (arg.is_ ## INTT ## _type ()) \ |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
479 { \ |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
480 INTT ## NDArray v = arg.INTT ## _array_value (); \ |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
481 \ |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
482 if (! error_state) \ |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
483 retval = find_nonzero_elem_idx (v, nargout, \ |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
484 n_to_find, direction);\ |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
485 } |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
486 |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
487 if (false) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
488 ; |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
489 DO_INT_BRANCH (int8) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
490 DO_INT_BRANCH (int16) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
491 DO_INT_BRANCH (int32) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
492 DO_INT_BRANCH (int64) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
493 DO_INT_BRANCH (uint8) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
494 DO_INT_BRANCH (uint16) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
495 DO_INT_BRANCH (uint32) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
496 DO_INT_BRANCH (uint64) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
497 else |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
498 panic_impossible (); |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
499 } |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
500 else if (arg.is_sparse_type ()) |
2928 | 501 { |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
502 if (arg.is_real_type ()) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
503 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
504 SparseMatrix v = arg.sparse_matrix_value (); |
2928 | 505 |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
506 if (! error_state) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
507 retval = find_nonzero_elem_idx (v, nargout, |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
508 n_to_find, direction); |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
509 } |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
510 else if (arg.is_complex_type ()) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
511 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
512 SparseComplexMatrix v = arg.sparse_complex_matrix_value (); |
5107 | 513 |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
514 if (! error_state) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
515 retval = find_nonzero_elem_idx (v, nargout, |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
516 n_to_find, direction); |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
517 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
518 else |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
519 gripe_wrong_type_arg ("find", arg); |
5107 | 520 } |
10550 | 521 else if (arg.is_perm_matrix ()) |
522 { | |
523 PermMatrix P = arg.perm_matrix_value (); | |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
524 |
10550 | 525 if (! error_state) |
526 retval = find_nonzero_elem_idx (P, nargout, n_to_find, direction); | |
527 } | |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
528 else if (arg.is_string ()) |
2928 | 529 { |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
530 charNDArray chnda = arg.char_array_value (); |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
531 |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
532 if (! error_state) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
533 retval = find_nonzero_elem_idx (chnda, nargout, n_to_find, direction); |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
534 } |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
535 else if (arg.is_single_type ()) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
536 { |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
537 if (arg.is_real_type ()) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
538 { |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
539 FloatNDArray nda = arg.float_array_value (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7505
diff
changeset
|
540 |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
541 if (! error_state) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
542 retval = find_nonzero_elem_idx (nda, nargout, n_to_find, |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
543 direction); |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
544 } |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
545 else if (arg.is_complex_type ()) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
546 { |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
547 FloatComplexNDArray cnda = arg.float_complex_array_value (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7505
diff
changeset
|
548 |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
549 if (! error_state) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
550 retval = find_nonzero_elem_idx (cnda, nargout, n_to_find, |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
551 direction); |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
552 } |
2928 | 553 } |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
554 else if (arg.is_real_type ()) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
555 { |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
556 NDArray nda = arg.array_value (); |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
557 |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
558 if (! error_state) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
559 retval = find_nonzero_elem_idx (nda, nargout, n_to_find, direction); |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
560 } |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
561 else if (arg.is_complex_type ()) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
562 { |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
563 ComplexNDArray cnda = arg.complex_array_value (); |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
564 |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
565 if (! error_state) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
566 retval = find_nonzero_elem_idx (cnda, nargout, n_to_find, direction); |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
567 } |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
568 else |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
569 gripe_wrong_type_arg ("find", arg); |
2928 | 570 |
571 return retval; | |
572 } | |
573 | |
574 /* | |
14501
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
575 %!assert (find (char ([0, 97])), 2) |
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
576 %!assert (find ([1, 0, 1, 0, 1]), [1, 3, 5]) |
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
577 %!assert (find ([1; 0; 3; 0; 1]), [1; 3; 5]) |
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
578 %!assert (find ([0, 0, 2; 0, 3, 0; -1, 0, 0]), [3; 5; 7]) |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
579 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
580 %!test |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
581 %! [i, j, v] = find ([0, 0, 2; 0, 3, 0; -1, 0, 0]); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
582 %! |
14501
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
583 %! assert (i, [3; 2; 1]); |
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
584 %! assert (j, [1; 2; 3]); |
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
585 %! assert (v, [-1; 3; 2]); |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
586 |
14501
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
587 %!assert (find (single ([1, 0, 1, 0, 1])), [1, 3, 5]) |
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
588 %!assert (find (single ([1; 0; 3; 0; 1])), [1; 3; 5]) |
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
589 %!assert (find (single ([0, 0, 2; 0, 3, 0; -1, 0, 0])), [3; 5; 7]) |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
590 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
591 %!test |
14501
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
592 %! [i, j, v] = find (single ([0, 0, 2; 0, 3, 0; -1, 0, 0])); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
593 %! |
14501
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
594 %! assert (i, [3; 2; 1]); |
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
595 %! assert (j, [1; 2; 3]); |
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
596 %! assert (v, single ([-1; 3; 2])); |
7814
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
597 |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
598 %!test |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
599 %! pcol = [5 1 4 3 2]; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
600 %! P = eye (5) (:, pcol); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
601 %! [i, j, v] = find (P); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
602 %! [ifull, jfull, vfull] = find (full (P)); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
603 %! assert (i, ifull); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
604 %! assert (j, jfull); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
605 %! assert (all (v == 1)); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
606 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
607 %!test |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
608 %! prow = [5 1 4 3 2]; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
609 %! P = eye (5) (prow, :); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
610 %! [i, j, v] = find (P); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
611 %! [ifull, jfull, vfull] = find (full (P)); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
612 %! assert (i, ifull); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
613 %! assert (j, jfull); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
614 %! assert (all (v == 1)); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
615 |
9310 | 616 %!assert (find ([2 0 1 0 5 0], 1), 1) |
617 %!assert (find ([2 0 1 0 5 0], 2, "last"), [3, 5]) | |
618 | |
619 %!assert (find ([2 0 1 0 5 0], Inf), [1, 3, 5]) | |
620 %!assert (find ([2 0 1 0 5 0], Inf, "last"), [1, 3, 5]) | |
621 | |
14501
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
622 %!error find () |
2928 | 623 */ |