Mercurial > octave
annotate libinterp/corefcn/find.cc @ 20853:1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
author | Rik <rik@octave.org> |
---|---|
date | Sat, 12 Dec 2015 07:40:03 -0800 |
parents | 35241c4b696c |
children | b17fda023ca6 |
rev | line source |
---|---|
2928 | 1 /* |
2 | |
19697
4197fc428c7d
maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents:
18849
diff
changeset
|
3 Copyright (C) 1996-2015 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 ()); |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20181
diff
changeset
|
64 octave_idx_type n = idx.numel (); |
18100
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 { |
20758
f819397c0bc1
Stop segfault when find() called with 6 outputs (bug #42424).
Rik <rik@octave.org>
parents:
20181
diff
changeset
|
90 nargout = std::min (nargout, 5); |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
91 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
|
92 |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
93 octave_idx_type nr = v.rows (); |
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
|
94 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
|
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 |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
142 octave_idx_type result_nr; |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
143 octave_idx_type 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
|
144 |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
145 // Default case is to return a column vector, however, if the original |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
146 // argument was a row vector, then force return of a row vector. |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
147 if (nr == 1) |
7505
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 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
|
150 result_nc = count; |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
151 } |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
152 else |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
153 { |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
154 result_nr = count; |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
155 result_nc = 1; |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
156 } |
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 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
|
159 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
160 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
|
161 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
|
162 |
9732
b4fdfee405b5
remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents:
9544
diff
changeset
|
163 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
|
164 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
165 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
|
166 { |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
167 // Search for elements to return. Only search the region where there |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
168 // are elements to be found using the count that we want to find. |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
169 for (octave_idx_type j = start_nc, cx = 0; j < end_nc; j++) |
18678
6113e0c6920b
maint: Clean up extra spaces before/after parentheses.
Rik <rik@octave.org>
parents:
18676
diff
changeset
|
170 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
|
171 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
172 OCTAVE_QUIT; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
173 if (direction < 0 && i < nz - count) |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
174 continue; |
14854
5ae9f0f77635
maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory
Rik <octave@nomad.inbox5.com>
parents:
14846
diff
changeset
|
175 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
|
176 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
|
177 idx(cx) = j * nr + v.ridx (i) + 1; |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
178 val(cx) = v.data(i); |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
179 cx++; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
180 if (cx == count) |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
181 break; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
182 } |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
183 } |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
184 else |
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 { |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
186 // No items found. Fixup return dimensions for Matlab compatibility. |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
187 // The behavior to match is documented in Array.cc (Array<T>::find). |
18793
332450e56698
Fix compilation warning about use of '&' versus '&&' in find.cc.
Rik <rik@octave.org>
parents:
18779
diff
changeset
|
188 if ((nr == 0 && nc == 0) || (nr == 1 && nc == 1)) |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
189 { |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
190 idx.resize (0, 0); |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
191 |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
192 i_idx.resize (0, 0); |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
193 j_idx.resize (0, 0); |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
194 |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
195 val.resize (dim_vector (0, 0)); |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
196 } |
7505
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 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
199 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
|
200 { |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
201 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
|
202 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
|
203 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
|
204 break; |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
205 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
206 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
|
207 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
|
208 // 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
|
209 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
210 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
|
211 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
|
212 // 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
|
213 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
214 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
|
215 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
|
216 // 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
|
217 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
218 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
|
219 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
|
220 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
|
221 } |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
222 |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
223 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
|
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 |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
226 octave_value_list |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
227 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
|
228 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
|
229 { |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
230 // There are far fewer special cases to handle for a PermMatrix. |
20758
f819397c0bc1
Stop segfault when find() called with 6 outputs (bug #42424).
Rik <rik@octave.org>
parents:
20181
diff
changeset
|
231 nargout = std::min (nargout, 5); |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
232 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
|
233 |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
234 octave_idx_type nr = v.rows (); |
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 count = nc; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
243 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
244 else if (direction > 0) |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
245 { |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
246 start_nc = 0; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
247 count = n_to_find; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
248 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
249 else |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
250 { |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
251 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
|
252 count = n_to_find; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
253 } |
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 Matrix idx (count, 1); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
256 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
|
257 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
|
258 // Every value is 1. |
9732
b4fdfee405b5
remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents:
9544
diff
changeset
|
259 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
|
260 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
261 if (count > 0) |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
262 { |
18849
aa9ca67f09fb
make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents:
18812
diff
changeset
|
263 const Array<octave_idx_type>& p = v.col_perm_vec (); |
aa9ca67f09fb
make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents:
18812
diff
changeset
|
264 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
|
265 { |
18849
aa9ca67f09fb
make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents:
18812
diff
changeset
|
266 OCTAVE_QUIT; |
aa9ca67f09fb
make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents:
18812
diff
changeset
|
267 const octave_idx_type j = start_nc + k; |
aa9ca67f09fb
make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents:
18812
diff
changeset
|
268 const octave_idx_type i = p(j); |
aa9ca67f09fb
make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents:
18812
diff
changeset
|
269 i_idx(k) = static_cast<double> (1+i); |
aa9ca67f09fb
make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents:
18812
diff
changeset
|
270 j_idx(k) = static_cast<double> (1+j); |
aa9ca67f09fb
make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents:
18812
diff
changeset
|
271 idx(k) = j * nc + i + 1; |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
272 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
273 } |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
274 else |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
275 { |
18793
332450e56698
Fix compilation warning about use of '&' versus '&&' in find.cc.
Rik <rik@octave.org>
parents:
18779
diff
changeset
|
276 // FIXME: Is this case even possible? A scalar permutation matrix seems |
332450e56698
Fix compilation warning about use of '&' versus '&&' in find.cc.
Rik <rik@octave.org>
parents:
18779
diff
changeset
|
277 // to devolve to a scalar full matrix, at least from the Octave command |
332450e56698
Fix compilation warning about use of '&' versus '&&' in find.cc.
Rik <rik@octave.org>
parents:
18779
diff
changeset
|
278 // line. Perhaps this function could be called internally from C++ with |
332450e56698
Fix compilation warning about use of '&' versus '&&' in find.cc.
Rik <rik@octave.org>
parents:
18779
diff
changeset
|
279 // such a matrix. |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
280 // No items found. Fixup return dimensions for Matlab compatibility. |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
281 // The behavior to match is documented in Array.cc (Array<T>::find). |
18793
332450e56698
Fix compilation warning about use of '&' versus '&&' in find.cc.
Rik <rik@octave.org>
parents:
18779
diff
changeset
|
282 if ((nr == 0 && nc == 0) || (nr == 1 && nc == 1)) |
18779
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
283 { |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
284 idx.resize (0, 0); |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
285 |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
286 i_idx.resize (0, 0); |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
287 j_idx.resize (0, 0); |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
288 |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
289 val.resize (dim_vector (0, 0)); |
a5286fb173cd
Match Matlab return dimensions for find on empty sparse matrices (bug #42408).
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
290 } |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
291 } |
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 switch (nargout) |
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 case 0: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
296 case 1: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
297 retval(0) = idx; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
298 break; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
299 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
300 case 5: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
301 retval(4) = nc; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
302 // Fall through |
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 case 4: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
305 retval(3) = nc; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
306 // Fall through |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
307 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
308 case 3: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
309 retval(2) = val; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
310 // Fall through! |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
311 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
312 case 2: |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
313 retval(1) = j_idx; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
314 retval(0) = i_idx; |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
315 } |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
316 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
317 return retval; |
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 |
15039
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14854
diff
changeset
|
320 DEFUN (find, args, nargout, |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
321 "-*- texinfo -*-\n\ |
20853
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20831
diff
changeset
|
322 @deftypefn {} {@var{idx} =} find (@var{x})\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20831
diff
changeset
|
323 @deftypefnx {} {@var{idx} =} find (@var{x}, @var{n})\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20831
diff
changeset
|
324 @deftypefnx {} {@var{idx} =} find (@var{x}, @var{n}, @var{direction})\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20831
diff
changeset
|
325 @deftypefnx {} {[i, j] =} find (@dots{})\n\ |
1142cf6abc0d
2015 Code Sprint: remove class of function from docstring for all C++ files.
Rik <rik@octave.org>
parents:
20831
diff
changeset
|
326 @deftypefnx {} {[i, j, v] =} find (@dots{})\n\ |
6524 | 327 Return a vector of indices of nonzero elements of a matrix, as a row if\n\ |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
328 @var{x} is a row vector or as a column otherwise.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
329 \n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
330 To obtain a single index for each matrix element, Octave pretends that the\n\ |
20181
aa36fb998a4d
maint: Remove unnecessary whitespace at end of lines.
Rik <rik@octave.org>
parents:
20172
diff
changeset
|
331 columns of a matrix form one long vector (like Fortran arrays are stored).\n\ |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
332 For example:\n\ |
3369 | 333 \n\ |
334 @example\n\ | |
335 @group\n\ | |
336 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
|
337 @result{} [ 1; 4 ]\n\ |
3369 | 338 @end group\n\ |
339 @end example\n\ | |
340 \n\ | |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
341 If two inputs are given, @var{n} indicates the maximum number of elements to\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
342 find from the beginning of the matrix or vector.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
343 \n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
344 If three inputs are given, @var{direction} should be one of\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
345 @qcode{\"first\"} or @qcode{\"last\"}, requesting only the first or last\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
346 @var{n} indices, respectively. However, the indices are always returned in\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
347 ascending order.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
348 \n\ |
3369 | 349 If two outputs are requested, @code{find} returns the row and column\n\ |
10840 | 350 indices of nonzero elements of a matrix. For example:\n\ |
3369 | 351 \n\ |
352 @example\n\ | |
353 @group\n\ | |
354 [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
|
355 @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
|
356 @result{} j = [ 1; 2 ]\n\ |
3369 | 357 @end group\n\ |
358 @end example\n\ | |
359 \n\ | |
360 If three outputs are requested, @code{find} also returns a vector\n\ | |
10840 | 361 containing the nonzero values. For example:\n\ |
3369 | 362 \n\ |
363 @example\n\ | |
364 @group\n\ | |
365 [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
|
366 @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
|
367 @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
|
368 @result{} v = [ 3; 3 ]\n\ |
3369 | 369 @end group\n\ |
370 @end example\n\ | |
6002 | 371 \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
|
372 Note that this function is particularly useful for sparse matrices, as\n\ |
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
18794
diff
changeset
|
373 it extracts the nonzero elements as vectors, which can then be used to\n\ |
10840 | 374 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
|
375 \n\ |
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
376 @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
|
377 @group\n\ |
12639
4d777e05d47c
doc: Review and update documentation for "Matrix Manipulation" chapter.
Rik <octave@nomad.inbox5.com>
parents:
11586
diff
changeset
|
378 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
|
379 [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
|
380 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
|
381 @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
|
382 @end example\n\ |
11553
01f703952eff
Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
383 @seealso{nonzeros}\n\ |
3369 | 384 @end deftypefn") |
2928 | 385 { |
386 octave_value_list retval; | |
387 | |
388 int nargin = args.length (); | |
389 | |
6002 | 390 if (nargin > 3 || nargin < 1) |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20773
diff
changeset
|
391 print_usage (); |
2928 | 392 |
6002 | 393 // Setup the default options. |
394 octave_idx_type n_to_find = -1; | |
395 if (nargin > 1) | |
396 { | |
20704
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20557
diff
changeset
|
397 double val = args(1).xscalar_value ("find: N must be an integer"); |
9310 | 398 |
20704
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20557
diff
changeset
|
399 if (val < 0 || (! xisinf (val) && val != xround (val))) |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20557
diff
changeset
|
400 error ("find: N must be a non-negative integer"); |
10338
21dd58bd683c
fix unsafe conversion in find
Jaroslav Hajek <highegg@gmail.com>
parents:
10285
diff
changeset
|
401 else if (! xisinf (val)) |
9310 | 402 n_to_find = val; |
6002 | 403 } |
404 | |
405 // Direction to do the searching (1 == forward, -1 == reverse). | |
406 int direction = 1; | |
407 if (nargin > 2) | |
408 { | |
409 direction = 0; | |
410 | |
411 std::string s_arg = args(2).string_value (); | |
412 | |
20557
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
413 if (s_arg == "first") |
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
414 direction = 1; |
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
415 else if (s_arg == "last") |
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
416 direction = -1; |
6002 | 417 |
418 if (direction == 0) | |
20831
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20802
diff
changeset
|
419 error ("find: DIRECTION must be \"first\" or \"last\""); |
6002 | 420 } |
421 | |
2928 | 422 octave_value arg = args(0); |
423 | |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
424 if (arg.is_bool_type ()) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
425 { |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
426 if (arg.is_sparse_type ()) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
427 { |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
428 SparseBoolMatrix v = arg.sparse_bool_matrix_value (); |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
429 |
20557
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
430 retval = find_nonzero_elem_idx (v, nargout, n_to_find, direction); |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
431 } |
9544
df0abc63c230
cache/use cached index vector on full find in logical masks
Jaroslav Hajek <highegg@gmail.com>
parents:
9351
diff
changeset
|
432 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
|
433 { |
df0abc63c230
cache/use cached index vector on full find in logical masks
Jaroslav Hajek <highegg@gmail.com>
parents:
9351
diff
changeset
|
434 // 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
|
435 // matrix. Try to reuse the possibly cached index vector. |
20542
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20232
diff
changeset
|
436 |
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20232
diff
changeset
|
437 // No need to catch index_exception, since arg is bool. |
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20232
diff
changeset
|
438 // Out-of-range errors have already set pos, and will be |
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20232
diff
changeset
|
439 // caught later. |
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20232
diff
changeset
|
440 |
9894
83bd7f34f9da
improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents:
9732
diff
changeset
|
441 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
|
442 } |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
443 else |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
444 { |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
445 boolNDArray v = arg.bool_array_value (); |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
446 |
20557
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
447 retval = find_nonzero_elem_idx (v, nargout, n_to_find, direction); |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
448 } |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
449 } |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
450 else if (arg.is_integer_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 #define DO_INT_BRANCH(INTT) \ |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
453 else if (arg.is_ ## INTT ## _type ()) \ |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
454 { \ |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
455 INTT ## NDArray v = arg.INTT ## _array_value (); \ |
20557
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
456 \ |
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
457 retval = find_nonzero_elem_idx (v, nargout, n_to_find, direction); \ |
9028
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
458 } |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
459 |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
460 if (false) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
461 ; |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
462 DO_INT_BRANCH (int8) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
463 DO_INT_BRANCH (int16) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
464 DO_INT_BRANCH (int32) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
465 DO_INT_BRANCH (int64) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
466 DO_INT_BRANCH (uint8) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
467 DO_INT_BRANCH (uint16) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
468 DO_INT_BRANCH (uint32) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
469 DO_INT_BRANCH (uint64) |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
470 else |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
471 panic_impossible (); |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
472 } |
e67dc11ed6e8
use Array<T>::find in find
Jaroslav Hajek <highegg@gmail.com>
parents:
9019
diff
changeset
|
473 else if (arg.is_sparse_type ()) |
2928 | 474 { |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
475 if (arg.is_real_type ()) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
476 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
477 SparseMatrix v = arg.sparse_matrix_value (); |
2928 | 478 |
20557
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
479 retval = find_nonzero_elem_idx (v, nargout, n_to_find, direction); |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
480 } |
7505
f5005d9510f4
Remove dispatched sparse functions and treat in the generic versions of the functions
David Bateman <dbateman@free.fr>
parents:
7017
diff
changeset
|
481 else if (arg.is_complex_type ()) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
482 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
483 SparseComplexMatrix v = arg.sparse_complex_matrix_value (); |
5107 | 484 |
20557
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
485 retval = find_nonzero_elem_idx (v, nargout, n_to_find, direction); |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
486 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11553
diff
changeset
|
487 else |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
488 gripe_wrong_type_arg ("find", arg); |
5107 | 489 } |
10550 | 490 else if (arg.is_perm_matrix ()) |
491 { | |
492 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
|
493 |
20557
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
494 retval = find_nonzero_elem_idx (P, nargout, n_to_find, direction); |
10550 | 495 } |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
496 else if (arg.is_string ()) |
2928 | 497 { |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
498 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
|
499 |
20557
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
500 retval = find_nonzero_elem_idx (chnda, nargout, n_to_find, direction); |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
501 } |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
502 else if (arg.is_single_type ()) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
503 { |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
504 if (arg.is_real_type ()) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
505 { |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
506 FloatNDArray nda = arg.float_array_value (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7505
diff
changeset
|
507 |
20557
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
508 retval = find_nonzero_elem_idx (nda, nargout, n_to_find, direction); |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
509 } |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
510 else if (arg.is_complex_type ()) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
511 { |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
512 FloatComplexNDArray cnda = arg.float_complex_array_value (); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7505
diff
changeset
|
513 |
20557
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
514 retval = find_nonzero_elem_idx (cnda, nargout, n_to_find, direction); |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9894
diff
changeset
|
515 } |
2928 | 516 } |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
517 else if (arg.is_real_type ()) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
518 { |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
519 NDArray nda = arg.array_value (); |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
520 |
20557
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
521 retval = find_nonzero_elem_idx (nda, nargout, n_to_find, direction); |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
522 } |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
523 else if (arg.is_complex_type ()) |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
524 { |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
525 ComplexNDArray cnda = arg.complex_array_value (); |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
526 |
20557
b10432a40432
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
527 retval = find_nonzero_elem_idx (cnda, nargout, n_to_find, direction); |
10826
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
528 } |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
529 else |
9e6aed3c6704
fix find for character arrays
John W. Eaton <jwe@octave.org>
parents:
10550
diff
changeset
|
530 gripe_wrong_type_arg ("find", arg); |
2928 | 531 |
532 return retval; | |
533 } | |
534 | |
535 /* | |
14501
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
536 %!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
|
537 %!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
|
538 %!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
|
539 %!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
|
540 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
541 %!test |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
542 %! [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
|
543 %! |
14501
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
544 %! 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
|
545 %! 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
|
546 %! 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
|
547 |
14501
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
548 %!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
|
549 %!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
|
550 %!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
|
551 |
87865ed7405f
Second set of single precision test code and fix of resulting bugs
David Bateman <dbateman@free.fr>
parents:
7789
diff
changeset
|
552 %!test |
14501
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
553 %! [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
|
554 %! |
14501
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
555 %! 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
|
556 %! 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
|
557 %! 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
|
558 |
8955
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
559 %!test |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
560 %! 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
|
561 %! P = eye (5) (:, pcol); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
562 %! [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
|
563 %! [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
|
564 %! assert (i, ifull); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
565 %! assert (j, jfull); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
566 %! assert (all (v == 1)); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
567 |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
568 %!test |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
569 %! 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
|
570 %! P = eye (5) (prow, :); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
571 %! [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
|
572 %! [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
|
573 %! assert (i, ifull); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
574 %! assert (j, jfull); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
575 %! assert (all (v == 1)); |
6d3fcbf89267
Add an override to Octave's find() for permutation matrices.
Jason Riedy <jason@acm.org>
parents:
8920
diff
changeset
|
576 |
9310 | 577 %!assert (find ([2 0 1 0 5 0], 1), 1) |
578 %!assert (find ([2 0 1 0 5 0], 2, "last"), [3, 5]) | |
579 | |
580 %!assert (find ([2 0 1 0 5 0], Inf), [1, 3, 5]) | |
581 %!assert (find ([2 0 1 0 5 0], Inf, "last"), [1, 3, 5]) | |
582 | |
14501
60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14360
diff
changeset
|
583 %!error find () |
2928 | 584 */ |