Mercurial > hg > octave-nkf

annotate liboctave/Array.cc @ 15078:fe4752f772e2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Generate ND indexing functions on demand in JIT. * src/jit-typeinfo.cc (jit_operation::~jit_operation, jit_operation::do_generate, jit_operation::generate, jit_operation::signature_cmp::operator()): New function. (jit_operation::overload): Call do_generate when lookup fails. (jit_index_operation, jit_paren_subsref, jit_paren_subsasgn): New class. (jit_typeinfo::jit_typeinfo): Update to use jit_paren_subsref and jit_paren_subsasgn. (jit_typeinfo::gen_subsref, jit_typeinfo::gen_subsasgn): Removed functions. * src/jit-typeinfo.h (jit_operation::~jit_operation, jit_operation::generate, jit_operation::do_generate): New declaration. (jit_operation::add_overload, jit_operation::overload, jit_operation::result, jit_operation::to_idx): Use signature_vec typedef. (jit_operation::singature_cmp): New class. (jit_index_operation, jit_paren_subsref, jit_paren_subsasgn): New class. (jit_typeinfo::get_scalar_ptr): Nwe function. (jit_typeinfo::gen_subsref, jit_typeinfo::gen_subsasgn): Removed declaration. * src/pt-jit.cc: New test.
author Max Brister <max@2bass.com>
date Wed, 01 Aug 2012 17:00:12 -0500
parents 560317fd5977
children 9020dddc925a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1993
1b57120c997b [project @ 1996-03-03 01:16:15 by jwe]
jwe
parents: 1989
diff changeset
1 // Template array classes
237
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
2 /*
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
3
14138
72c96de7a403 maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
parents: 13985
diff changeset
4 Copyright (C) 1993-2012 John W. Eaton
11523
fd0a3ac60b0e update copyright notices
John W. Eaton <jwe@octave.org>
parents: 11507
diff changeset
5 Copyright (C) 2008-2009 Jaroslav Hajek
9601
a9b37bae1802 add a couple of missing copyright statements
Jaroslav Hajek <highegg@gmail.com>
parents: 9556
diff changeset
6 Copyright (C) 2009 VZLU Prague
237
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
7
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
8 This file is part of Octave.
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
9
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
10 Octave is free software; you can redistribute it and/or modify it
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
11 under the terms of the GNU General Public License as published by the
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6922
diff changeset
12 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6922
diff changeset
13 option) any later version.
237
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
14
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
15 Octave is distributed in the hope that it will be useful, but WITHOUT
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
18 for more details.
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
19
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
20 You should have received a copy of the GNU General Public License
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6922
diff changeset
21 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6922
diff changeset
22 <http://www.gnu.org/licenses/>.
237
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
23
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
24 */
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
25
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
26 #ifdef HAVE_CONFIG_H
1192
b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe]
jwe
parents: 1011
diff changeset
27 #include <config.h>
237
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
28 #endif
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
29
1367
9f9131a8d706 [project @ 1995-09-06 00:07:03 by jwe]
jwe
parents: 1360
diff changeset
30 #include <cassert>
4518
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
31 #include <climits>
449
3cef0ce5dd7d [project @ 1994-06-05 21:58:52 by jwe]
jwe
parents: 386
diff changeset
32
3503
d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe]
jwe
parents: 2847
diff changeset
33 #include <iostream>
5765
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe]
jwe
parents: 5632
diff changeset
34 #include <sstream>
5607
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe]
jwe
parents: 5535
diff changeset
35 #include <vector>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
36 #include <algorithm>
6674
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe]
jwe
parents: 6553
diff changeset
37 #include <new>
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
38
237
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
39 #include "Array.h"
4588
19bfd295f400 [project @ 2003-11-10 17:18:48 by jwe]
jwe
parents: 4587
diff changeset
40 #include "Array-util.h"
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
41 #include "idx-vector.h"
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
42 #include "lo-error.h"
8377
25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
43 #include "oct-locbuf.h"
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
44
1360
7eb93d12654c [project @ 1995-09-05 21:51:54 by jwe]
jwe
parents: 1321
diff changeset
45 // One dimensional array class. Handles the reference counting for
7eb93d12654c [project @ 1995-09-05 21:51:54 by jwe]
jwe
parents: 1321
diff changeset
46 // all the derived classes.
237
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
47
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
48 template <class T>
4834
8f669cc5a901 [project @ 2004-03-11 18:49:17 by jwe]
jwe
parents: 4832
diff changeset
49 Array<T>::Array (const Array<T>& a, const dim_vector& dv)
11507
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
50 : dimensions (dv), rep (a.rep),
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
51 slice_data (a.slice_data), slice_len (a.slice_len)
4834
8f669cc5a901 [project @ 2004-03-11 18:49:17 by jwe]
jwe
parents: 4832
diff changeset
52 {
10352
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
53 if (dimensions.safe_numel () != a.numel ())
9731
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
54 {
10352
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
55 std::string dimensions_str = a.dimensions.str ();
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
56 std::string new_dims_str = dimensions.str ();
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
57
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
58 (*current_liboctave_error_handler)
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
59 ("reshape: can't reshape %s array to %s array",
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
60 dimensions_str.c_str (), new_dims_str.c_str ());
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
61 }
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
62
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
63 // This goes here because if an exception is thrown by the above,
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
64 // destructor will be never called.
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
65 rep->count++;
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
66 dimensions.chop_trailing_singletons ();
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
67 }
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
68
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
69 template <class T>
8524
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
70 void
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
71 Array<T>::fill (const T& val)
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
72 {
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
73 if (rep->count > 1)
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
74 {
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
75 --rep->count;
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
76 rep = new ArrayRep (length (), val);
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
77 slice_data = rep->data;
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
78 }
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
79 else
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
80 fill_or_memset (slice_len, val, slice_data);
8524
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
81 }
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
82
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
83 template <class T>
9546
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
84 void
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
85 Array<T>::clear (void)
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
86 {
13985
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 13141
diff changeset
87 if (--rep->count == 0)
9546
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
88 delete rep;
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
89
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
90 rep = nil_rep ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
91 rep->count++;
9546
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
92 slice_data = rep->data;
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
93 slice_len = rep->len;
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
94
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
95 dimensions = dim_vector ();
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
96 }
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
97
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9507
diff changeset
98 template <class T>
9624
3fc7272937ce implement Array<T>::clear overloads
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
99 void
3fc7272937ce implement Array<T>::clear overloads
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
100 Array<T>::clear (const dim_vector& dv)
3fc7272937ce implement Array<T>::clear overloads
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
101 {
13985
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC).
Michael Goffioul <michael.goffioul@gmail.com>
parents: 13141
diff changeset
102 if (--rep->count == 0)
9624
3fc7272937ce implement Array<T>::clear overloads
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
103 delete rep;
3fc7272937ce implement Array<T>::clear overloads
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
104
9840
c0b54271904b improve safe numel() calculation for arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9839
diff changeset
105 rep = new ArrayRep (dv.safe_numel ());
9624
3fc7272937ce implement Array<T>::clear overloads
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
106 slice_data = rep->data;
3fc7272937ce implement Array<T>::clear overloads
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
107 slice_len = rep->len;
3fc7272937ce implement Array<T>::clear overloads
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
108
3fc7272937ce implement Array<T>::clear overloads
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
109 dimensions = dv;
10095
eb8ac0eed9f1 always chop dimension vector when constructing Arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 10075
diff changeset
110 dimensions.chop_trailing_singletons ();
9624
3fc7272937ce implement Array<T>::clear overloads
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
111 }
3fc7272937ce implement Array<T>::clear overloads
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
112
3fc7272937ce implement Array<T>::clear overloads
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
113 template <class T>
4532
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4530
diff changeset
114 Array<T>
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4530
diff changeset
115 Array<T>::squeeze (void) const
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4530
diff changeset
116 {
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4530
diff changeset
117 Array<T> retval = *this;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4530
diff changeset
118
4929
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe]
jwe
parents: 4916
diff changeset
119 if (ndims () > 2)
4532
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4530
diff changeset
120 {
4929
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe]
jwe
parents: 4916
diff changeset
121 bool dims_changed = false;
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe]
jwe
parents: 4916
diff changeset
122
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe]
jwe
parents: 4916
diff changeset
123 dim_vector new_dimensions = dimensions;
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe]
jwe
parents: 4916
diff changeset
124
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe]
jwe
parents: 4916
diff changeset
125 int k = 0;
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe]
jwe
parents: 4916
diff changeset
126
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe]
jwe
parents: 4916
diff changeset
127 for (int i = 0; i < ndims (); i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
128 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
129 if (dimensions(i) == 1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
130 dims_changed = true;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
131 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
132 new_dimensions(k++) = dimensions(i);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
133 }
4929
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe]
jwe
parents: 4916
diff changeset
134
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe]
jwe
parents: 4916
diff changeset
135 if (dims_changed)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
136 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
137 switch (k)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
138 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
139 case 0:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
140 new_dimensions = dim_vector (1, 1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
141 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
142
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
143 case 1:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
144 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
145 octave_idx_type tmp = new_dimensions(0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
146
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
147 new_dimensions.resize (2);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
148
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
149 new_dimensions(0) = tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
150 new_dimensions(1) = 1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
151 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
152 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
153
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
154 default:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
155 new_dimensions.resize (k);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
156 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
157 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
158 }
4532
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4530
diff changeset
159
8524
937921654627 clean up Array and DiagArray2
Jaroslav Hajek <highegg@gmail.com>
parents: 8523
diff changeset
160 retval = Array<T> (*this, new_dimensions);
4532
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4530
diff changeset
161 }
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4530
diff changeset
162
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4530
diff changeset
163 return retval;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4530
diff changeset
164 }
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe]
jwe
parents: 4530
diff changeset
165
237
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
166 template <class T>
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5265
diff changeset
167 octave_idx_type
10645
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
168 Array<T>::compute_index (octave_idx_type i, octave_idx_type j) const
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
169 {
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
170 return ::compute_index (i, j, dimensions);
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
171 }
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
172
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
173 template <class T>
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
174 octave_idx_type
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
175 Array<T>::compute_index (octave_idx_type i, octave_idx_type j, octave_idx_type k) const
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
176 {
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
177 return ::compute_index (i, j, k, dimensions);
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
178 }
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
179
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
180 template <class T>
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
181 octave_idx_type
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5265
diff changeset
182 Array<T>::compute_index (const Array<octave_idx_type>& ra_idx) const
237
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
183 {
10645
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
184 return ::compute_index (ra_idx, dimensions);
237
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
185 }
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents:
diff changeset
186
2049
468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe]
jwe
parents: 2006
diff changeset
187 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
188 T&
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
189 Array<T>::checkelem (octave_idx_type n)
2049
468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe]
jwe
parents: 2006
diff changeset
190 {
10645
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
191 // Do checks directly to avoid recomputing slice_len.
10370
9c4daf174387 implement IDs for common liboctave exceptions
Jaroslav Hajek <highegg@gmail.com>
parents: 10366
diff changeset
192 if (n < 0)
9c4daf174387 implement IDs for common liboctave exceptions
Jaroslav Hajek <highegg@gmail.com>
parents: 10366
diff changeset
193 gripe_invalid_index ();
9c4daf174387 implement IDs for common liboctave exceptions
Jaroslav Hajek <highegg@gmail.com>
parents: 10366
diff changeset
194 if (n >= slice_len)
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
195 gripe_index_out_of_range (1, 1, n+1, slice_len);
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
196
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
197 return elem (n);
2049
468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe]
jwe
parents: 2006
diff changeset
198 }
468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe]
jwe
parents: 2006
diff changeset
199
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3657
diff changeset
200 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
201 T&
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
202 Array<T>::checkelem (octave_idx_type i, octave_idx_type j)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
203 {
10645
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
204 return elem (compute_index (i, j));
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
205 }
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
206
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
207 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
208 T&
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
209 Array<T>::checkelem (octave_idx_type i, octave_idx_type j, octave_idx_type k)
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
210 {
10645
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
211 return elem (compute_index (i, j, k));
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
212 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
213
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
214 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
215 T&
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
216 Array<T>::checkelem (const Array<octave_idx_type>& ra_idx)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
217 {
10645
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
218 return elem (compute_index (ra_idx));
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
219 }
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
220
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
221 template <class T>
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
222 typename Array<T>::crefT
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
223 Array<T>::checkelem (octave_idx_type n) const
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
224 {
10645
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
225 // Do checks directly to avoid recomputing slice_len.
10370
9c4daf174387 implement IDs for common liboctave exceptions
Jaroslav Hajek <highegg@gmail.com>
parents: 10366
diff changeset
226 if (n < 0)
9c4daf174387 implement IDs for common liboctave exceptions
Jaroslav Hajek <highegg@gmail.com>
parents: 10366
diff changeset
227 gripe_invalid_index ();
9c4daf174387 implement IDs for common liboctave exceptions
Jaroslav Hajek <highegg@gmail.com>
parents: 10366
diff changeset
228 if (n >= slice_len)
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
229 gripe_index_out_of_range (1, 1, n+1, slice_len);
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
230
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
231 return elem (n);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
232 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
233
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
234 template <class T>
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
235 typename Array<T>::crefT
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
236 Array<T>::checkelem (octave_idx_type i, octave_idx_type j) const
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
237 {
10645
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
238 return elem (compute_index (i, j));
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
239 }
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
240
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
241 template <class T>
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
242 typename Array<T>::crefT
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
243 Array<T>::checkelem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
244 {
10645
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
245 return elem (compute_index (i, j, k));
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
246 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
247
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
248 template <class T>
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
249 typename Array<T>::crefT
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
250 Array<T>::checkelem (const Array<octave_idx_type>& ra_idx) const
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
251 {
10645
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
Jaroslav Hajek <highegg@gmail.com>
parents: 10636
diff changeset
252 return elem (compute_index (ra_idx));
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
253 }
9731
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
254
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
255 template <class T>
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
256 Array<T>
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
257 Array<T>::column (octave_idx_type k) const
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
258 {
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
259 octave_idx_type r = dimensions(0);
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
260 #ifdef BOUNDS_CHECKING
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
261 if (k < 0 || k > dimensions.numel (1))
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
262 gripe_index_out_of_range (2, 2, k+1, dimensions.numel (1));
9731
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
263 #endif
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
264
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
265 return Array<T> (*this, dim_vector (r, 1), k*r, k*r + r);
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
266 }
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
267
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
268 template <class T>
4567
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe]
jwe
parents: 4553
diff changeset
269 Array<T>
9731
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
270 Array<T>::page (octave_idx_type k) const
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
271 {
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
272 octave_idx_type r = dimensions(0), c = dimensions (1), p = r*c;
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
273 #ifdef BOUNDS_CHECKING
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
274 if (k < 0 || k > dimensions.numel (2))
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
275 gripe_index_out_of_range (3, 3, k+1, dimensions.numel (2));
9731
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
276 #endif
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
277
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
278 return Array<T> (*this, dim_vector (r, c), k*p, k*p + p);
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
279 }
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
280
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
281 template <class T>
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
282 Array<T>
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
283 Array<T>::linear_slice (octave_idx_type lo, octave_idx_type up) const
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
284 {
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
285 #ifdef BOUNDS_CHECKING
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
286 if (lo < 0)
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
287 gripe_index_out_of_range (1, 1, lo+1, numel ());
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
288 if (up > numel ())
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
289 gripe_index_out_of_range (1, 1, up, numel ());
9731
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
290 #endif
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
291 if (up < lo) up = lo;
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
292 return Array<T> (*this, dim_vector (up - lo, 1), lo, up);
4567
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe]
jwe
parents: 4553
diff changeset
293 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe]
jwe
parents: 4553
diff changeset
294
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
295 // Helper class for multi-d dimension permuting (generalized transpose).
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
296 class rec_permute_helper
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
297 {
11507
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
298 // STRIDE occupies the last half of the space allocated for dim to
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
299 // avoid a double allocation.
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
300
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
301 int n;
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
302 int top;
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
303 octave_idx_type *dim;
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
304 octave_idx_type *stride;
9012
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
305 bool use_blk;
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
306
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
307 public:
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
308 rec_permute_helper (const dim_vector& dv, const Array<octave_idx_type>& perm)
11507
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
309
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
310 : n (dv.length ()), top (0), dim (new octave_idx_type [2*n]),
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
311 stride (dim + n), use_blk (false)
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
312 {
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
313 assert (n == perm.length ());
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
314
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
315 // Get cumulative dimensions.
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
316 OCTAVE_LOCAL_BUFFER (octave_idx_type, cdim, n+1);
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
317 cdim[0] = 1;
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
318 for (int i = 1; i < n+1; i++) cdim[i] = cdim[i-1] * dv(i-1);
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
319
9012
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
320 // Setup the permuted strides.
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
321 for (int k = 0; k < n; k++)
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
322 {
9012
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
323 int kk = perm(k);
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
324 dim[k] = dv(kk);
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
325 stride[k] = cdim[kk];
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
326 }
9012
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
327
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
328 // Reduce contiguous runs.
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
329 for (int k = 1; k < n; k++)
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
330 {
9012
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
331 if (stride[k] == stride[top]*dim[top])
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
332 dim[top] *= dim[k];
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
333 else
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
334 {
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
335 top++;
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
336 dim[top] = dim[k];
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
337 stride[top] = stride[k];
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
338 }
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
339 }
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
340
9012
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
341 // Determine whether we can use block transposes.
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
342 use_blk = top >= 1 && stride[1] == 1 && stride[0] == dim[1];
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
343
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
344 }
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
345
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
346 ~rec_permute_helper (void) { delete [] dim; }
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
347
9012
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
348 // Helper method for fast blocked transpose.
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
349 template <class T>
9121
bb62bc406ea7 reuse fast blocked transpose implementation from rec_permute_helper in Array<T>::transpose
Jaroslav Hajek <highegg@gmail.com>
parents: 9100
diff changeset
350 static T *
bb62bc406ea7 reuse fast blocked transpose implementation from rec_permute_helper in Array<T>::transpose
Jaroslav Hajek <highegg@gmail.com>
parents: 9100
diff changeset
351 blk_trans (const T *src, T *dest, octave_idx_type nr, octave_idx_type nc)
9012
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
352 {
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
353 static const octave_idx_type m = 8;
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
354 OCTAVE_LOCAL_BUFFER (T, blk, m*m);
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
355 for (octave_idx_type kr = 0; kr < nr; kr += m)
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
356 for (octave_idx_type kc = 0; kc < nc; kc += m)
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
357 {
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
358 octave_idx_type lr = std::min (m, nr - kr);
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
359 octave_idx_type lc = std::min (m, nc - kc);
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
360 if (lr == m && lc == m)
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
361 {
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
362 const T *ss = src + kc * nr + kr;
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
363 for (octave_idx_type j = 0; j < m; j++)
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
364 for (octave_idx_type i = 0; i < m; i++)
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
365 blk[j*m+i] = ss[j*nr + i];
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
366 T *dd = dest + kr * nc + kc;
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
367 for (octave_idx_type j = 0; j < m; j++)
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
368 for (octave_idx_type i = 0; i < m; i++)
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
369 dd[j*nc+i] = blk[i*m+j];
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
370 }
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
371 else
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
372 {
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
373 const T *ss = src + kc * nr + kr;
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
374 for (octave_idx_type j = 0; j < lc; j++)
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
375 for (octave_idx_type i = 0; i < lr; i++)
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
376 blk[j*m+i] = ss[j*nr + i];
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
377 T *dd = dest + kr * nc + kc;
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
378 for (octave_idx_type j = 0; j < lr; j++)
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
379 for (octave_idx_type i = 0; i < lc; i++)
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
380 dd[j*nc+i] = blk[i*m+j];
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
381 }
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
382 }
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
383
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
384 return dest + nr*nc;
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
385 }
12153
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
386
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
387 private:
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
388
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
389 // Recursive N-d generalized transpose
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
390 template <class T>
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
391 T *do_permute (const T *src, T *dest, int lev) const
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
392 {
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
393 if (lev == 0)
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
394 {
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
395 octave_idx_type step = stride[0], len = dim[0];
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
396 if (step == 1)
9773
01f897d8a130 optimize memory manipulation by arrays & indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9732
diff changeset
397 {
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
398 copy_or_memcpy (len, src, dest);
9773
01f897d8a130 optimize memory manipulation by arrays & indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9732
diff changeset
399 dest += len;
01f897d8a130 optimize memory manipulation by arrays & indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9732
diff changeset
400 }
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
401 else
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
402 {
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
403 for (octave_idx_type i = 0, j = 0; i < len; i++, j += step)
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
404 dest[i] = src[j];
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
405
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
406 dest += len;
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
407 }
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
408 }
9012
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
409 else if (use_blk && lev == 1)
9f5e095555fc smarter algorithm for permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
410 dest = blk_trans (src, dest, dim[1], dim[0]);
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
411 else
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
412 {
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
413 octave_idx_type step = stride[lev], len = dim[lev];
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
414 for (octave_idx_type i = 0, j = 0; i < len; i++, j+= step)
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
415 dest = do_permute (src + i * step, dest, lev-1);
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
416 }
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
417
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
418 return dest;
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
419 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
420
12153
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
421 // No copying!
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
422
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
423 rec_permute_helper (const rec_permute_helper&);
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
424
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
425 rec_permute_helper& operator = (const rec_permute_helper&);
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
426
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
427 public:
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
428
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
429 template <class T>
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
430 void permute (const T *src, T *dest) const { do_permute (src, dest, top); }
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
431 };
7241
da540e715d05 [project @ 2007-12-03 22:55:20 by jwe]
jwe
parents: 7189
diff changeset
432
5607
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe]
jwe
parents: 5535
diff changeset
433
4567
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe]
jwe
parents: 4553
diff changeset
434 template <class T>
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
435 Array<T>
5607
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe]
jwe
parents: 5535
diff changeset
436 Array<T>::permute (const Array<octave_idx_type>& perm_vec_arg, bool inv) const
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
437 {
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
438 Array<T> retval;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
439
5607
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe]
jwe
parents: 5535
diff changeset
440 Array<octave_idx_type> perm_vec = perm_vec_arg;
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe]
jwe
parents: 5535
diff changeset
441
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
442 dim_vector dv = dims ();
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
443
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
444 int perm_vec_len = perm_vec_arg.length ();
5148
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe]
jwe
parents: 5120
diff changeset
445
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe]
jwe
parents: 5120
diff changeset
446 if (perm_vec_len < dv.length ())
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe]
jwe
parents: 5120
diff changeset
447 (*current_liboctave_error_handler)
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe]
jwe
parents: 5120
diff changeset
448 ("%s: invalid permutation vector", inv ? "ipermute" : "permute");
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe]
jwe
parents: 5120
diff changeset
449
9507
b096d11237be dim_vector improvements
Jaroslav Hajek <highegg@gmail.com>
parents: 9341
diff changeset
450 dim_vector dv_new = dim_vector::alloc (perm_vec_len);
5148
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe]
jwe
parents: 5120
diff changeset
451
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe]
jwe
parents: 5120
diff changeset
452 // Append singleton dimensions as needed.
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe]
jwe
parents: 5120
diff changeset
453 dv.resize (perm_vec_len, 1);
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe]
jwe
parents: 5120
diff changeset
454
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
455 // Need this array to check for identical elements in permutation array.
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
456 OCTAVE_LOCAL_BUFFER_INIT (bool, checked, perm_vec_len, false);
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
457
9678
c929f09457b7 rewrite num2cell for speed-up + a few associated fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
458 bool identity = true;
c929f09457b7 rewrite num2cell for speed-up + a few associated fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
459
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
460 // Find dimension vector of permuted array.
5148
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe]
jwe
parents: 5120
diff changeset
461 for (int i = 0; i < perm_vec_len; i++)
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
462 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5265
diff changeset
463 octave_idx_type perm_elt = perm_vec.elem (i);
5148
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe]
jwe
parents: 5120
diff changeset
464 if (perm_elt >= perm_vec_len || perm_elt < 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
465 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
466 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
467 ("%s: permutation vector contains an invalid element",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
468 inv ? "ipermute" : "permute");
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
469
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
470 return retval;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
471 }
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
472
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
473 if (checked[perm_elt])
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
474 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
475 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
476 ("%s: permutation vector cannot contain identical elements",
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
477 inv ? "ipermute" : "permute");
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
478
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
479 return retval;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
480 }
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
481 else
9678
c929f09457b7 rewrite num2cell for speed-up + a few associated fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
482 {
c929f09457b7 rewrite num2cell for speed-up + a few associated fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
483 checked[perm_elt] = true;
c929f09457b7 rewrite num2cell for speed-up + a few associated fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
484 identity = identity && perm_elt == i;
c929f09457b7 rewrite num2cell for speed-up + a few associated fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
485 }
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
486 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
487
9678
c929f09457b7 rewrite num2cell for speed-up + a few associated fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
488 if (identity)
c929f09457b7 rewrite num2cell for speed-up + a few associated fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
489 return *this;
c929f09457b7 rewrite num2cell for speed-up + a few associated fixes
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
490
5607
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe]
jwe
parents: 5535
diff changeset
491 if (inv)
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe]
jwe
parents: 5535
diff changeset
492 {
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
493 for (int i = 0; i < perm_vec_len; i++)
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
494 perm_vec(perm_vec_arg(i)) = i;
5607
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe]
jwe
parents: 5535
diff changeset
495 }
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe]
jwe
parents: 5535
diff changeset
496
10270
6ffed9bb5598 fix ipermute
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
497 for (int i = 0; i < perm_vec_len; i++)
6ffed9bb5598 fix ipermute
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
498 dv_new(i) = dv(perm_vec(i));
6ffed9bb5598 fix ipermute
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
499
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
500 retval = Array<T> (dv_new);
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
501
5940
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe]
jwe
parents: 5837
diff changeset
502 if (numel () > 0)
5607
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe]
jwe
parents: 5535
diff changeset
503 {
8410
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
504 rec_permute_helper rh (dv, perm_vec);
ba24ecd4c019 optimize permute
Jaroslav Hajek <highegg@gmail.com>
parents: 8390
diff changeset
505 rh.permute (data (), retval.fortran_vec ());
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
506 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
507
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
508 return retval;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
509 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4592
diff changeset
510
11507
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
511 // Helper class for multi-d index reduction and recursive
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
512 // indexing/indexed assignment. Rationale: we could avoid recursion
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
513 // using a state machine instead. However, using recursion is much
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
514 // more amenable to possible parallelization in the future.
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
515 // Also, the recursion solution is cleaner and more understandable.
11507
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
516
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
517 class rec_index_helper
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
518 {
11507
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
519 // CDIM occupies the last half of the space allocated for dim to
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
520 // avoid a double allocation.
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
521
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
522 int n;
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
523 int top;
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
524 octave_idx_type *dim;
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
525 octave_idx_type *cdim;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
526 idx_vector *idx;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
527
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
528 public:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
529 rec_index_helper (const dim_vector& dv, const Array<idx_vector>& ia)
11507
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
530 : n (ia.length ()), top (0), dim (new octave_idx_type [2*n]),
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
531 cdim (dim + n), idx (new idx_vector [n])
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
532 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
533 assert (n > 0 && (dv.length () == std::max (n, 2)));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
534
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
535 dim[0] = dv(0);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
536 cdim[0] = 1;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
537 idx[0] = ia(0);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
538
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
539 for (int i = 1; i < n; i++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
540 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
541 // Try reduction...
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
542 if (idx[top].maybe_reduce (dim[top], ia(i), dv(i)))
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
543 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
544 // Reduction successful, fold dimensions.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
545 dim[top] *= dv(i);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
546 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
547 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
548 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
549 // Unsuccessful, store index & cumulative dim.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
550 top++;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
551 idx[top] = ia(i);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
552 dim[top] = dv(i);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
553 cdim[top] = cdim[top-1] * dim[top-1];
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
554 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
555 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
556 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
557
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
558 ~rec_index_helper (void) { delete [] idx; delete [] dim; }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
559
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
560 private:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
561
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
562 // Recursive N-d indexing
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
563 template <class T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
564 T *do_index (const T *src, T *dest, int lev) const
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
565 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
566 if (lev == 0)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
567 dest += idx[0].index (src, dim[0], dest);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
568 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
569 {
11507
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
570 octave_idx_type nn = idx[lev].length (dim[lev]), d = cdim[lev];
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
571 for (octave_idx_type i = 0; i < nn; i++)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
572 dest = do_index (src + d*idx[lev].xelem (i), dest, lev-1);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
573 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
574
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
575 return dest;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
576 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
577
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
578 // Recursive N-d indexed assignment
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
579 template <class T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
580 const T *do_assign (const T *src, T *dest, int lev) const
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
581 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
582 if (lev == 0)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
583 src += idx[0].assign (src, dim[0], dest);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
584 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
585 {
11507
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
586 octave_idx_type nn = idx[lev].length (dim[lev]), d = cdim[lev];
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
587 for (octave_idx_type i = 0; i < nn; i++)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
588 src = do_assign (src, dest + d*idx[lev].xelem (i), lev-1);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
589 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
590
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
591 return src;
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
592 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
593
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
594 // Recursive N-d indexed assignment
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
595 template <class T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
596 void do_fill (const T& val, T *dest, int lev) const
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
597 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
598 if (lev == 0)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
599 idx[0].fill (val, dim[0], dest);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
600 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
601 {
11507
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
602 octave_idx_type nn = idx[lev].length (dim[lev]), d = cdim[lev];
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
603 for (octave_idx_type i = 0; i < nn; i++)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
604 do_fill (val, dest + d*idx[lev].xelem (i), lev-1);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
605 }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
606 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
607
12153
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
608 // No copying!
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
609
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
610 rec_index_helper (const rec_index_helper&);
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
611
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
612 rec_index_helper& operator = (const rec_index_helper&);
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
613
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
614 public:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
615
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
616 template <class T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
617 void index (const T *src, T *dest) const { do_index (src, dest, top); }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
618
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
619 template <class T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
620 void assign (const T *src, T *dest) const { do_assign (src, dest, top); }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
621
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
622 template <class T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
623 void fill (const T& val, T *dest) const { do_fill (val, dest, top); }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
624
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
625 bool is_cont_range (octave_idx_type& l,
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
626 octave_idx_type& u) const
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
627 {
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
628 return top == 0 && idx[0].is_cont_range (dim[0], l, u);
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
629 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
630 };
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
631
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
632 // Helper class for multi-d recursive resizing
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
633 // This handles resize () in an efficient manner, touching memory only
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
634 // once (apart from reinitialization)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
635 class rec_resize_helper
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
636 {
11507
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
637 octave_idx_type *cext;
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
638 octave_idx_type *sext;
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
639 octave_idx_type *dext;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
640 int n;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
641
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
642 public:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
643 rec_resize_helper (const dim_vector& ndv, const dim_vector& odv)
11507
c3ad80f4ce36 Array.h, Array.cc: more constructor fixes
John W. Eaton <jwe@octave.org>
parents: 11242
diff changeset
644 : cext (0), sext (0), dext (0), n (0)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
645 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
646 int l = ndv.length ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
647 assert (odv.length () == l);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
648 octave_idx_type ld = 1;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
649 int i = 0;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
650 for (; i < l-1 && ndv(i) == odv(i); i++) ld *= ndv(i);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
651 n = l - i;
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
652 cext = new octave_idx_type [3*n];
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
653 // Trick to avoid three allocations
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
654 sext = cext + n;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
655 dext = sext + n;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
656
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
657 octave_idx_type sld = ld, dld = ld;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
658 for (int j = 0; j < n; j++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
659 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
660 cext[j] = std::min (ndv(i+j), odv(i+j));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
661 sext[j] = sld *= odv(i+j);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
662 dext[j] = dld *= ndv(i+j);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
663 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
664 cext[0] *= ld;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
665 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
666
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
667 ~rec_resize_helper (void) { delete [] cext; }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
668
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
669 private:
12153
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
670
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
671 // recursive resizing
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
672 template <class T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
673 void do_resize_fill (const T* src, T *dest, const T& rfv, int lev) const
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
674 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
675 if (lev == 0)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
676 {
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
677 copy_or_memcpy (cext[0], src, dest);
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
678 fill_or_memset (dext[0] - cext[0], rfv, dest + cext[0]);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
679 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
680 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
681 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
682 octave_idx_type sd = sext[lev-1], dd = dext[lev-1], k;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
683 for (k = 0; k < cext[lev]; k++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
684 do_resize_fill (src + k * sd, dest + k * dd, rfv, lev - 1);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
685
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
686 fill_or_memset (dext[lev] - k * dd, rfv, dest + k * dd);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
687 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
688 }
12153
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
689
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
690 // No copying!
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
691
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
692 rec_resize_helper (const rec_resize_helper&);
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
693
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
694 rec_resize_helper& operator = (const rec_resize_helper&);
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
695
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
696 public:
12153
e0e50f48df37 Explicitly disallow copying in some classes
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11590
diff changeset
697
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
698 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
699 void resize_fill (const T* src, T *dest, const T& rfv) const
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
700 { do_resize_fill (src, dest, rfv, n-1); }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
701 };
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
702
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
703 template <class T>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
704 Array<T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
705 Array<T>::index (const idx_vector& i) const
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
706 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
707 octave_idx_type n = numel ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
708 Array<T> retval;
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5265
diff changeset
709
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
710 if (i.is_colon ())
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
711 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
712 // A(:) produces a shallow copy as a column vector.
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
713 retval = Array<T> (*this, dim_vector (n, 1));
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
714 }
4548
820323598f4f [project @ 2003-10-26 03:16:42 by jwe]
jwe
parents: 4545
diff changeset
715 else
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
716 {
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
717 if (i.extent (n) != n)
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
718 gripe_index_out_of_range (1, 1, i.extent (n), n); // throws
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
719
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
720 // FIXME -- this is the only place where orig_dimensions are used.
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
721 dim_vector rd = i.orig_dimensions ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
722 octave_idx_type il = i.length (n);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
723
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
724 // FIXME -- this is for Matlab compatibility. Matlab 2007 given
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
725 //
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
726 // b = ones (3,1)
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
727 //
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
728 // yields the following:
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
729 //
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
730 // b(zeros (0,0)) gives []
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
731 // b(zeros (1,0)) gives zeros (0,1)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
732 // b(zeros (0,1)) gives zeros (0,1)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
733 // b(zeros (0,m)) gives zeros (0,m)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
734 // b(zeros (m,0)) gives zeros (m,0)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
735 // b(1:2) gives ones (2,1)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
736 // b(ones (2)) gives ones (2) etc.
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
737 //
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
738 // As you can see, the behaviour is weird, but the tests end up pretty
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
739 // simple. Nah, I don't want to suggest that this is ad hoc :)
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
740
9987
bb30843c4929 fix subscripting of vectors by N-d arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9921
diff changeset
741 if (ndims () == 2 && n != 1 && rd.is_vector ())
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
742 {
9987
bb30843c4929 fix subscripting of vectors by N-d arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9921
diff changeset
743 if (columns () == 1)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
744 rd = dim_vector (il, 1);
9987
bb30843c4929 fix subscripting of vectors by N-d arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9921
diff changeset
745 else if (rows () == 1)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
746 rd = dim_vector (1, il);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
747 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
748
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
749 octave_idx_type l, u;
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
750 if (il != 0 && i.is_cont_range (n, l, u))
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
751 // If suitable, produce a shallow slice.
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
752 retval = Array<T> (*this, rd, l, u);
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
753 else
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
754 {
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
755 // Don't use resize here to avoid useless initialization for POD
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
756 // types.
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
757 retval = Array<T> (rd);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
758
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
759 if (il != 0)
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
760 i.index (data (), n, retval.fortran_vec ());
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
761 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
762 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
763
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
764 return retval;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
765 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
766
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
767 template <class T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
768 Array<T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
769 Array<T>::index (const idx_vector& i, const idx_vector& j) const
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
770 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
771 // Get dimensions, allowing Fortran indexing in the 2nd dim.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
772 dim_vector dv = dimensions.redim (2);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
773 octave_idx_type r = dv(0), c = dv(1);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
774 Array<T> retval;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
775
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
776 if (i.is_colon () && j.is_colon ())
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
777 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
778 // A(:,:) produces a shallow copy.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
779 retval = Array<T> (*this, dv);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
780 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
781 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
782 {
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
783 if (i.extent (r) != r)
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
784 gripe_index_out_of_range (2, 1, i.extent (r), r); // throws
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
785 if (j.extent (c) != c)
14158
727504fd26f0 Fix erroneous indexing error message.
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 14138
diff changeset
786 gripe_index_out_of_range (2, 2, j.extent (c), c); // throws
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
787
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
788 octave_idx_type n = numel (), il = i.length (r), jl = j.length (c);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
789
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
790 idx_vector ii (i);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
791
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
792 if (ii.maybe_reduce (r, j, c))
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
793 {
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
794 octave_idx_type l, u;
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
795 if (ii.length () > 0 && ii.is_cont_range (n, l, u))
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
796 // If suitable, produce a shallow slice.
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
797 retval = Array<T> (*this, dim_vector (il, jl), l, u);
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
798 else
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
799 {
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
800 // Don't use resize here to avoid useless initialization for POD types.
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
801 retval = Array<T> (dim_vector (il, jl));
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
802
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
803 ii.index (data (), n, retval.fortran_vec ());
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
804 }
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
805 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
806 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
807 {
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
808 // Don't use resize here to avoid useless initialization for POD types.
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
809 retval = Array<T> (dim_vector (il, jl));
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
810
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
811 const T* src = data ();
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
812 T *dest = retval.fortran_vec ();
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
813
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
814 for (octave_idx_type k = 0; k < jl; k++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
815 dest += i.index (src + r * j.xelem (k), r, dest);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
816 }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
817 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
818
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
819 return retval;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
820 }
4747
3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe]
jwe
parents: 4746
diff changeset
821
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
822 template <class T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
823 Array<T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
824 Array<T>::index (const Array<idx_vector>& ia) const
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
825 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
826 int ial = ia.length ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
827 Array<T> retval;
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4586
diff changeset
828
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
829 // FIXME: is this dispatching necessary?
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
830 if (ial == 1)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
831 retval = index (ia(0));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
832 else if (ial == 2)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
833 retval = index (ia(0), ia(1));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
834 else if (ial > 0)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
835 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
836 // Get dimensions, allowing Fortran indexing in the last dim.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
837 dim_vector dv = dimensions.redim (ial);
4747
3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe]
jwe
parents: 4746
diff changeset
838
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
839 // Check for out of bounds conditions.
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
840 bool all_colons = true;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
841 for (int i = 0; i < ial; i++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
842 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
843 if (ia(i).extent (dv(i)) != dv(i))
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
844 gripe_index_out_of_range (ial, i+1, ia(i).extent (dv(i)), dv(i)); // throws
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
845
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
846 all_colons = all_colons && ia(i).is_colon ();
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
847 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
848
4870
2cbc6f37b0c2 [project @ 2004-04-21 17:30:51 by jwe]
jwe
parents: 4834
diff changeset
849
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
850 if (all_colons)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
851 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
852 // A(:,:,...,:) produces a shallow copy.
10095
eb8ac0eed9f1 always chop dimension vector when constructing Arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 10075
diff changeset
853 dv.chop_trailing_singletons ();
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
854 retval = Array<T> (*this, dv);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
855 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
856 else
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
857 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
858 // Form result dimensions.
9507
b096d11237be dim_vector improvements
Jaroslav Hajek <highegg@gmail.com>
parents: 9341
diff changeset
859 dim_vector rdv = dim_vector::alloc (ial);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
860 for (int i = 0; i < ial; i++) rdv(i) = ia(i).length (dv(i));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
861 rdv.chop_trailing_singletons ();
4870
2cbc6f37b0c2 [project @ 2004-04-21 17:30:51 by jwe]
jwe
parents: 4834
diff changeset
862
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
863 // Prepare for recursive indexing
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
864 rec_index_helper rh (dv, ia);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
865
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
866 octave_idx_type l, u;
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
867 if (rh.is_cont_range (l, u))
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
868 // If suitable, produce a shallow slice.
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
869 retval = Array<T> (*this, rdv, l, u);
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
870 else
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
871 {
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
872 // Don't use resize here to avoid useless initialization for POD types.
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
873 retval = Array<T> (rdv);
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
874
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
875 // Do it.
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
876 rh.index (data (), retval.fortran_vec ());
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
877 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
878 }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
879 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
880
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
881 return retval;
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
882 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
883
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
884 // The default fill value. Override if you want a different one.
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
885
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
886 template <class T>
14616
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14591
diff changeset
887 T
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14591
diff changeset
888 Array<T>::resize_fill_value (void) const
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
889 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
890 static T zero = T ();
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
891 return zero;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
892 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
893
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
894 // Yes, we could do resize using index & assign. However, that would
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
895 // possibly involve a lot more memory traffic than we actually need.
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
896
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
897 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
898 void
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
899 Array<T>::resize1 (octave_idx_type n, const T& rfv)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
900 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
901 if (n >= 0 && ndims () == 2)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
902 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
903 dim_vector dv;
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
904 // This is driven by Matlab's behaviour of giving a *row* vector
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
905 // on some out-of-bounds assignments. Specifically, Matlab
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
906 // allows a(i) with out-of-bouds i when a is either of 0x0, 1x0,
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
907 // 1x1, 0xN, and gives a row vector in all cases (yes, even the
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
908 // last one, search me why). Giving a column vector would make
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
909 // much more sense (given the way trailing singleton dims are
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
910 // treated).
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
911 bool invalid = false;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
912 if (rows () == 0 || rows () == 1)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
913 dv = dim_vector (1, n);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
914 else if (columns () == 1)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
915 dv = dim_vector (n, 1);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
916 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
917 invalid = true;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
918
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
919 if (invalid)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
920 gripe_invalid_resize ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
921 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
922 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
923 octave_idx_type nx = numel ();
9100
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
924 if (n == nx - 1 && n > 0)
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
925 {
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
926 // Stack "pop" operation.
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
927 if (rep->count == 1)
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
928 slice_data[slice_len-1] = T ();
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
929 slice_len--;
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
930 dimensions = dv;
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
931 }
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
932 else if (n == nx + 1 && nx > 0)
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
933 {
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
934 // Stack "push" operation.
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
935 if (rep->count == 1 && slice_data + slice_len < rep->data + rep->len)
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
936 {
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
937 slice_data[slice_len++] = rfv;
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
938 dimensions = dv;
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
939 }
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
940 else
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
941 {
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
942 static const octave_idx_type max_stack_chunk = 1024;
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
943 octave_idx_type nn = n + std::min (nx, max_stack_chunk);
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
944 Array<T> tmp (Array<T> (dim_vector (nn, 1)), dv, 0, n);
9100
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
945 T *dest = tmp.fortran_vec ();
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
946
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
947 copy_or_memcpy (nx, data (), dest);
9100
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
948 dest[nx] = rfv;
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
949
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
950 *this = tmp;
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
951 }
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
952 }
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
953 else if (n != nx)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
954 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
955 Array<T> tmp = Array<T> (dv);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
956 T *dest = tmp.fortran_vec ();
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
957
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
958 octave_idx_type n0 = std::min (n, nx), n1 = n - n0;
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
959 copy_or_memcpy (n0, data (), dest);
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
960 fill_or_memset (n1, rfv, dest + n0);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
961
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
962 *this = tmp;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
963 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
964 }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
965 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
966 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
967 gripe_invalid_resize ();
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
968 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
969
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
970 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
971 void
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
972 Array<T>::resize2 (octave_idx_type r, octave_idx_type c, const T& rfv)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
973 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
974 if (r >= 0 && c >= 0 && ndims () == 2)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
975 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
976 octave_idx_type rx = rows (), cx = columns ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
977 if (r != rx || c != cx)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
978 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
979 Array<T> tmp = Array<T> (dim_vector (r, c));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
980 T *dest = tmp.fortran_vec ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
981
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
982 octave_idx_type r0 = std::min (r, rx), r1 = r - r0;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
983 octave_idx_type c0 = std::min (c, cx), c1 = c - c0;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
984 const T *src = data ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
985 if (r == rx)
9773
01f897d8a130 optimize memory manipulation by arrays & indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9732
diff changeset
986 {
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
987 copy_or_memcpy (r * c0, src, dest);
9773
01f897d8a130 optimize memory manipulation by arrays & indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9732
diff changeset
988 dest += r * c0;
01f897d8a130 optimize memory manipulation by arrays & indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9732
diff changeset
989 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
990 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
991 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
992 for (octave_idx_type k = 0; k < c0; k++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
993 {
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
994 copy_or_memcpy (r0, src, dest);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
995 src += rx;
9773
01f897d8a130 optimize memory manipulation by arrays & indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9732
diff changeset
996 dest += r0;
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
997 fill_or_memset (r1, rfv, dest);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
998 dest += r1;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
999 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1000 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1001
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
1002 fill_or_memset (r * c1, rfv, dest);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1003
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1004 *this = tmp;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1005 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1006 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1007 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1008 gripe_invalid_resize ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1009
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1010 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1011
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1012 template<class T>
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1013 void
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1014 Array<T>::resize (const dim_vector& dv, const T& rfv)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1015 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1016 int dvl = dv.length ();
8784
374cb30311a8 remove dead branch in Array.cc
Jaroslav Hajek <highegg@gmail.com>
parents: 8760
diff changeset
1017 if (dvl == 2)
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1018 resize2 (dv(0), dv(1), rfv);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1019 else if (dimensions != dv)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1020 {
8799
f6dc6eb57045 improve resize & resize on assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8784
diff changeset
1021 if (dimensions.length () <= dvl && ! dv.any_neg ())
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1022 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1023 Array<T> tmp (dv);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1024 // Prepare for recursive resizing.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1025 rec_resize_helper rh (dv, dimensions.redim (dvl));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1026
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1027 // Do it.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1028 rh.resize_fill (data (), tmp.fortran_vec (), rfv);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1029 *this = tmp;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1030 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1031 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1032 gripe_invalid_resize ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1033 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1034 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1035
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1036 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1037 Array<T>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1038 Array<T>::index (const idx_vector& i, bool resize_ok, const T& rfv) const
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1039 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1040 Array<T> tmp = *this;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1041 if (resize_ok)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1042 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1043 octave_idx_type n = numel (), nx = i.extent (n);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1044 if (n != nx)
8563
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1045 {
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1046 if (i.is_scalar ())
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1047 return Array<T> (dim_vector (1, 1), rfv);
8563
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1048 else
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1049 tmp.resize1 (nx, rfv);
8563
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1050 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1051
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1052 if (tmp.numel () != nx)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1053 return Array<T> ();
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1054 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1055
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1056 return tmp.index (i);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1057 }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1058
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1059 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1060 Array<T>
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1061 Array<T>::index (const idx_vector& i, const idx_vector& j,
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1062 bool resize_ok, const T& rfv) const
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1063 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1064 Array<T> tmp = *this;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1065 if (resize_ok)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1066 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1067 dim_vector dv = dimensions.redim (2);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1068 octave_idx_type r = dv(0), c = dv(1);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1069 octave_idx_type rx = i.extent (r), cx = j.extent (c);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1070 if (r != rx || c != cx)
8563
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1071 {
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1072 if (i.is_scalar () && j.is_scalar ())
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1073 return Array<T> (dim_vector (1, 1), rfv);
8563
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1074 else
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1075 tmp.resize2 (rx, cx, rfv);
8563
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1076 }
4747
3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe]
jwe
parents: 4746
diff changeset
1077
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1078 if (tmp.rows () != rx || tmp.columns () != cx)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1079 return Array<T> ();
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1080 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1081
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1082 return tmp.index (i, j);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1083 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1084
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1085 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1086 Array<T>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1087 Array<T>::index (const Array<idx_vector>& ia,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1088 bool resize_ok, const T& rfv) const
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1089 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1090 Array<T> tmp = *this;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1091 if (resize_ok)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1092 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1093 int ial = ia.length ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1094 dim_vector dv = dimensions.redim (ial);
9507
b096d11237be dim_vector improvements
Jaroslav Hajek <highegg@gmail.com>
parents: 9341
diff changeset
1095 dim_vector dvx = dim_vector::alloc (ial);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1096 for (int i = 0; i < ial; i++) dvx(i) = ia(i).extent (dv (i));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1097 if (! (dvx == dv))
8563
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1098 {
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1099 bool all_scalars = true;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1100 for (int i = 0; i < ial; i++)
8563
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1101 all_scalars = all_scalars && ia(i).is_scalar ();
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1102 if (all_scalars)
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1103 return Array<T> (dim_vector (1, 1), rfv);
8563
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1104 else
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1105 tmp.resize (dvx, rfv);
8563
3a3421a9f0bb optimize resizable indexing with scalars
Jaroslav Hajek <highegg@gmail.com>
parents: 8527
diff changeset
1106 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1107
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1108 if (tmp.dimensions != dvx)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1109 return Array<T> ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1110 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1111
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1112 return tmp.index (ia);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1113 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1114
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1115
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1116 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1117 void
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1118 Array<T>::assign (const idx_vector& i, const Array<T>& rhs, const T& rfv)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1119 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1120 octave_idx_type n = numel (), rhl = rhs.numel ();
4548
820323598f4f [project @ 2003-10-26 03:16:42 by jwe]
jwe
parents: 4545
diff changeset
1121
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1122 if (rhl == 1 || i.length (n) == rhl)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1123 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1124 octave_idx_type nx = i.extent (n);
9886
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1125 bool colon = i.is_colon_equiv (nx);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1126 // Try to resize first if necessary.
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1127 if (nx != n)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1128 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1129 // Optimize case A = []; A(1:n) = X with A empty.
9886
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1130 if (dimensions.zero_by_zero () && colon)
8580
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1131 {
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1132 if (rhl == 1)
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1133 *this = Array<T> (dim_vector (1, nx), rhs(0));
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1134 else
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1135 *this = Array<T> (rhs, dim_vector (1, nx));
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1136 return;
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1137 }
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1138
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1139 resize1 (nx, rfv);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1140 n = numel ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1141 }
4747
3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe]
jwe
parents: 4746
diff changeset
1142
9886
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1143 if (colon)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1144 {
9058
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1145 // A(:) = X makes a full fill or a shallow copy.
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1146 if (rhl == 1)
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1147 fill (rhs(0));
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1148 else
9058
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1149 *this = rhs.reshape (dimensions);
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1150 }
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1151 else
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1152 {
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1153 if (rhl == 1)
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1154 i.fill (rhs(0), n, fortran_vec ());
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1155 else
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1156 i.assign (rhs.data (), n, fortran_vec ());
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1157 }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1158 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1159 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1160 gripe_invalid_assignment_size ();
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1161 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1162
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1163 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1164 void
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1165 Array<T>::assign (const idx_vector& i, const idx_vector& j,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1166 const Array<T>& rhs, const T& rfv)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1167 {
14624
edf9ca8a92a8 when redimensioning, always pad dim_vector objects with 1 (bug #33216)
John W. Eaton <jwe@octave.org>
parents: 14440
diff changeset
1168 bool initial_dims_all_zero = dimensions.all_zero ();
edf9ca8a92a8 when redimensioning, always pad dim_vector objects with 1 (bug #33216)
John W. Eaton <jwe@octave.org>
parents: 14440
diff changeset
1169
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1170 // Get RHS extents, discarding singletons.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1171 dim_vector rhdv = rhs.dims ();
14624
edf9ca8a92a8 when redimensioning, always pad dim_vector objects with 1 (bug #33216)
John W. Eaton <jwe@octave.org>
parents: 14440
diff changeset
1172
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1173 // Get LHS extents, allowing Fortran indexing in the second dim.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1174 dim_vector dv = dimensions.redim (2);
14624
edf9ca8a92a8 when redimensioning, always pad dim_vector objects with 1 (bug #33216)
John W. Eaton <jwe@octave.org>
parents: 14440
diff changeset
1175
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1176 // Check for out-of-bounds and form resizing dimensions.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1177 dim_vector rdv;
14624
edf9ca8a92a8 when redimensioning, always pad dim_vector objects with 1 (bug #33216)
John W. Eaton <jwe@octave.org>
parents: 14440
diff changeset
1178
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
1179 // In the special when all dimensions are zero, colons are allowed
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
1180 // to inquire the shape of RHS. The rules are more obscure, so we
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
1181 // solve that elsewhere.
14624
edf9ca8a92a8 when redimensioning, always pad dim_vector objects with 1 (bug #33216)
John W. Eaton <jwe@octave.org>
parents: 14440
diff changeset
1182 if (initial_dims_all_zero)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1183 rdv = zero_dims_inquire (i, j, rhdv);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1184 else
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1185 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1186 rdv(0) = i.extent (dv(0));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1187 rdv(1) = j.extent (dv(1));
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1188 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1189
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1190 bool isfill = rhs.numel () == 1;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1191 octave_idx_type il = i.length (rdv(0)), jl = j.length (rdv(1));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1192 rhdv.chop_all_singletons ();
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
1193 bool match = (isfill
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1194 || (rhdv.length () == 2 && il == rhdv(0) && jl == rhdv(1)));
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1195 match = match || (il == 1 && jl == rhdv(0) && rhdv(1) == 1);
4548
820323598f4f [project @ 2003-10-26 03:16:42 by jwe]
jwe
parents: 4545
diff changeset
1196
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1197 if (match)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1198 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1199 bool all_colons = (i.is_colon_equiv (rdv(0))
9886
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1200 && j.is_colon_equiv (rdv(1)));
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1201 // Resize if requested.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1202 if (rdv != dv)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1203 {
8580
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1204 // Optimize case A = []; A(1:m, 1:n) = X
9886
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1205 if (dv.zero_by_zero () && all_colons)
8580
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1206 {
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1207 if (isfill)
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1208 *this = Array<T> (rdv, rhs(0));
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1209 else
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1210 *this = Array<T> (rhs, rdv);
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1211 return;
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1212 }
188d38a553c7 further indexing optimization touches
Jaroslav Hajek <highegg@gmail.com>
parents: 8563
diff changeset
1213
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1214 resize (rdv, rfv);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1215 dv = dimensions;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1216 }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1217
9886
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1218 if (all_colons)
9058
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1219 {
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1220 // A(:,:) = X makes a full fill or a shallow copy
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1221 if (isfill)
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1222 fill (rhs(0));
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1223 else
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1224 *this = rhs.reshape (dimensions);
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1225 }
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1226 else
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1227 {
9058
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1228 // The actual work.
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1229 octave_idx_type n = numel (), r = dv (0), c = dv (1);
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1230 idx_vector ii (i);
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1231
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1232 const T* src = rhs.data ();
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1233 T *dest = fortran_vec ();
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1234
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1235 // Try reduction first.
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1236 if (ii.maybe_reduce (r, j, c))
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1237 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1238 if (isfill)
9058
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1239 ii.fill (*src, n, dest);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1240 else
9058
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1241 ii.assign (src, n, dest);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1242 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1243 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1244 {
9058
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1245 if (isfill)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1246 {
9058
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1247 for (octave_idx_type k = 0; k < jl; k++)
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1248 i.fill (*src, r, dest + r * j.xelem (k));
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1249 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1250 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1251 {
9058
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1252 for (octave_idx_type k = 0; k < jl; k++)
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1253 src += i.assign (src, r, dest + r * j.xelem (k));
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1254 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1255 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1256 }
4747
3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe]
jwe
parents: 4746
diff changeset
1257 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1258 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1259 gripe_assignment_dimension_mismatch ();
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1260 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1261
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1262 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1263 void
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1264 Array<T>::assign (const Array<idx_vector>& ia,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1265 const Array<T>& rhs, const T& rfv)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1266 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1267 int ial = ia.length ();
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5265
diff changeset
1268
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1269 // FIXME: is this dispatching necessary / desirable?
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1270 if (ial == 1)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1271 assign (ia(0), rhs, rfv);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1272 else if (ial == 2)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1273 assign (ia(0), ia(1), rhs, rfv);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1274 else if (ial > 0)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1275 {
14624
edf9ca8a92a8 when redimensioning, always pad dim_vector objects with 1 (bug #33216)
John W. Eaton <jwe@octave.org>
parents: 14440
diff changeset
1276 bool initial_dims_all_zero = dimensions.all_zero ();
edf9ca8a92a8 when redimensioning, always pad dim_vector objects with 1 (bug #33216)
John W. Eaton <jwe@octave.org>
parents: 14440
diff changeset
1277
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1278 // Get RHS extents, discarding singletons.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1279 dim_vector rhdv = rhs.dims ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1280
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1281 // Get LHS extents, allowing Fortran indexing in the second dim.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1282 dim_vector dv = dimensions.redim (ial);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1283
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1284 // Get the extents forced by indexing.
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1285 dim_vector rdv;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1286
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
1287 // In the special when all dimensions are zero, colons are
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
1288 // allowed to inquire the shape of RHS. The rules are more
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
1289 // obscure, so we solve that elsewhere.
14624
edf9ca8a92a8 when redimensioning, always pad dim_vector objects with 1 (bug #33216)
John W. Eaton <jwe@octave.org>
parents: 14440
diff changeset
1290 if (initial_dims_all_zero)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1291 rdv = zero_dims_inquire (ia, rhdv);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1292 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1293 {
9507
b096d11237be dim_vector improvements
Jaroslav Hajek <highegg@gmail.com>
parents: 9341
diff changeset
1294 rdv = dim_vector::alloc (ial);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1295 for (int i = 0; i < ial; i++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1296 rdv(i) = ia(i).extent (dv(i));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1297 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1298
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1299 // Check whether LHS and RHS match, up to singleton dims.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1300 bool match = true, all_colons = true, isfill = rhs.numel () == 1;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1301
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1302 rhdv.chop_all_singletons ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1303 int j = 0, rhdvl = rhdv.length ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1304 for (int i = 0; i < ial; i++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1305 {
9886
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1306 all_colons = all_colons && ia(i).is_colon_equiv (rdv(i));
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1307 octave_idx_type l = ia(i).length (rdv(i));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1308 if (l == 1) continue;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1309 match = match && j < rhdvl && l == rhdv(j++);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1310 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1311
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1312 match = match && (j == rhdvl || rhdv(j) == 1);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1313 match = match || isfill;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1314
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1315 if (match)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1316 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1317 // Resize first if necessary.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1318 if (rdv != dv)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1319 {
9886
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1320 // Optimize case A = []; A(1:m, 1:n) = X
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1321 if (dv.zero_by_zero () && all_colons)
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1322 {
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1323 rdv.chop_trailing_singletons ();
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1324 if (isfill)
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1325 *this = Array<T> (rdv, rhs(0));
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1326 else
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1327 *this = Array<T> (rhs, rdv);
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1328 return;
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1329 }
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
1330
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1331 resize (rdv, rfv);
10095
eb8ac0eed9f1 always chop dimension vector when constructing Arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 10075
diff changeset
1332 dv = rdv;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1333 }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1334
9058
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1335 if (all_colons)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1336 {
9058
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1337 // A(:,:,...,:) = X makes a full fill or a shallow copy.
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1338 if (isfill)
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1339 fill (rhs(0));
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1340 else
9058
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1341 *this = rhs.reshape (dimensions);
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1342 }
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1343 else
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1344 {
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1345 // Do the actual work.
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1346
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1347 // Prepare for recursive indexing
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1348 rec_index_helper rh (dv, ia);
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1349
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1350 // Do it.
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1351 if (isfill)
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1352 rh.fill (rhs(0), fortran_vec ());
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1353 else
2da105bf2507 remove redundant checks from Array<T>::index
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
1354 rh.assign (rhs.data (), fortran_vec ());
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1355 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1356 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1357 else
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1358 gripe_assignment_dimension_mismatch ();
4553
c7eb767505e9 [project @ 2003-10-27 21:39:55 by jwe]
jwe
parents: 4548
diff changeset
1359 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1360 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1361
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1362 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1363 void
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1364 Array<T>::delete_elements (const idx_vector& i)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1365 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1366 octave_idx_type n = numel ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1367 if (i.is_colon ())
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1368 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1369 *this = Array<T> ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1370 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1371 else if (i.length (n) != 0)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1372 {
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
1373 if (i.extent (n) != n)
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
1374 gripe_del_index_out_of_range (true, i.extent (n), n);
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
1375
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1376 octave_idx_type l, u;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1377 bool col_vec = ndims () == 2 && columns () == 1 && rows () != 1;
10610
f5f6bde82e19 fix null assignment bug #29785
Jaroslav Hajek <highegg@gmail.com>
parents: 10535
diff changeset
1378 if (i.is_scalar () && i(0) == n-1 && dimensions.is_vector ())
9100
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
1379 {
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
1380 // Stack "pop" operation.
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1381 resize1 (n-1);
9100
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
1382 }
1a8bbfb2f7cf optimize simple stack operations on arrays
Jaroslav Hajek <highegg@gmail.com>
parents: 9058
diff changeset
1383 else if (i.is_cont_range (n, l, u))
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1384 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1385 // Special case deleting a contiguous range.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1386 octave_idx_type m = n + l - u;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1387 Array<T> tmp (dim_vector (col_vec ? m : 1, !col_vec ? m : 1));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1388 const T *src = data ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1389 T *dest = tmp.fortran_vec ();
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
1390 copy_or_memcpy (l, src, dest);
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
1391 copy_or_memcpy (n - u, src + u, dest + l);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1392 *this = tmp;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1393 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1394 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1395 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1396 // Use index.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1397 *this = index (i.complement (n));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1398 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1399 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1400 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1401
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1402 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1403 void
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1404 Array<T>::delete_elements (int dim, const idx_vector& i)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1405 {
8302
f2e050b62199 fix dim check in Array<T>::delete_elements
Jaroslav Hajek <highegg@gmail.com>
parents: 8290
diff changeset
1406 if (dim < 0 || dim >= ndims ())
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1407 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1408 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1409 ("invalid dimension in delete_elements");
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1410 return;
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1411 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1412
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1413 octave_idx_type n = dimensions (dim);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1414 if (i.is_colon ())
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1415 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1416 *this = Array<T> ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1417 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1418 else if (i.length (n) != 0)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1419 {
10366
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
1420 if (i.extent (n) != n)
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
1421 gripe_del_index_out_of_range (false, i.extent (n), n);
e5ae13b8b2c2 improve Array indexing error messages
Jaroslav Hajek <highegg@gmail.com>
parents: 10352
diff changeset
1422
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1423 octave_idx_type l, u;
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1424
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1425 if (i.is_cont_range (n, l, u))
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1426 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1427 // Special case deleting a contiguous range.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1428 octave_idx_type nd = n + l - u, dl = 1, du = 1;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1429 dim_vector rdv = dimensions;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1430 rdv(dim) = nd;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1431 for (int k = 0; k < dim; k++) dl *= dimensions(k);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1432 for (int k = dim + 1; k < ndims (); k++) du *= dimensions(k);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1433
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1434 // Special case deleting a contiguous range.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1435 Array<T> tmp = Array<T> (rdv);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1436 const T *src = data ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1437 T *dest = tmp.fortran_vec ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1438 l *= dl; u *= dl; n *= dl;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1439 for (octave_idx_type k = 0; k < du; k++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1440 {
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
1441 copy_or_memcpy (l, src, dest);
9773
01f897d8a130 optimize memory manipulation by arrays & indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9732
diff changeset
1442 dest += l;
9780
6dafc60dde31 rename oct-mem functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9773
diff changeset
1443 copy_or_memcpy (n - u, src + u, dest);
9773
01f897d8a130 optimize memory manipulation by arrays & indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9732
diff changeset
1444 dest += n - u;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1445 src += n;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1446 }
4870
2cbc6f37b0c2 [project @ 2004-04-21 17:30:51 by jwe]
jwe
parents: 4834
diff changeset
1447
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1448 *this = tmp;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1449 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1450 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1451 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1452 // Use index.
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1453 Array<idx_vector> ia (dim_vector (ndims (), 1), idx_vector::colon);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1454 ia (dim) = i.complement (n);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1455 *this = index (ia);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1456 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1457 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1458 }
4747
3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe]
jwe
parents: 4746
diff changeset
1459
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1460 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1461 void
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1462 Array<T>::delete_elements (const Array<idx_vector>& ia)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1463 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1464 if (ia.length () == 1)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1465 delete_elements (ia(0));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1466 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1467 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1468 int len = ia.length (), k, dim = -1;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1469 for (k = 0; k < len; k++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1470 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1471 if (! ia(k).is_colon ())
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1472 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1473 if (dim < 0)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1474 dim = k;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1475 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1476 break;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1477 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1478 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1479 if (dim < 0)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1480 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1481 dim_vector dv = dimensions;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1482 dv(0) = 0;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1483 *this = Array<T> (dv);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1484 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1485 else if (k == len)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1486 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1487 delete_elements (dim, ia(dim));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1488 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1489 else
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1490 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1491 (*current_liboctave_error_handler)
11590
4ced6b90fffb style fixes for warning and error messages in source files
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
1492 ("a null assignment can only have one non-colon index");
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1493 }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1494 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1495
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1496 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1497
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1498 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1499 Array<T>&
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5265
diff changeset
1500 Array<T>::insert (const Array<T>& a, octave_idx_type r, octave_idx_type c)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1501 {
10115
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10113
diff changeset
1502 idx_vector i (r, r + a.rows ());
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10113
diff changeset
1503 idx_vector j (c, c + a.columns ());
4786
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe]
jwe
parents: 4765
diff changeset
1504 if (ndims () == 2 && a.ndims () == 2)
10115
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10113
diff changeset
1505 assign (i, j, a);
4786
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe]
jwe
parents: 4765
diff changeset
1506 else
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1507 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1508 Array<idx_vector> idx (dim_vector (a.ndims (), 1));
10115
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10113
diff changeset
1509 idx(0) = i;
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10113
diff changeset
1510 idx(1) = j;
12884
73e75ff9c31b Fix incorrect loop (bug #32683)
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12550
diff changeset
1511 for (int k = 2; k < a.ndims (); k++)
10115
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10113
diff changeset
1512 idx(k) = idx_vector (0, a.dimensions(k));
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10113
diff changeset
1513 assign (idx, a);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1514 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1515
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1516 return *this;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1517 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1518
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1519 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1520 Array<T>&
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5265
diff changeset
1521 Array<T>::insert (const Array<T>& a, const Array<octave_idx_type>& ra_idx)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1522 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5265
diff changeset
1523 octave_idx_type n = ra_idx.length ();
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1524 Array<idx_vector> idx (dim_vector (n, 1));
10115
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10113
diff changeset
1525 const dim_vector dva = a.dims ().redim (n);
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10113
diff changeset
1526 for (octave_idx_type k = 0; k < n; k++)
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10113
diff changeset
1527 idx(k) = idx_vector (ra_idx (k), ra_idx (k) + dva(k));
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10113
diff changeset
1528
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10113
diff changeset
1529 assign (idx, a);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1530
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1531 return *this;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1532 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1533
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
1534
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1535 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1536 Array<T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1537 Array<T>::transpose (void) const
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1538 {
4548
820323598f4f [project @ 2003-10-26 03:16:42 by jwe]
jwe
parents: 4545
diff changeset
1539 assert (ndims () == 2);
820323598f4f [project @ 2003-10-26 03:16:42 by jwe]
jwe
parents: 4545
diff changeset
1540
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5265
diff changeset
1541 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5265
diff changeset
1542 octave_idx_type nc = dim2 ();
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1543
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1544 if (nr >= 8 && nc >= 8)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1545 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1546 Array<T> result (dim_vector (nc, nr));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1547
9121
bb62bc406ea7 reuse fast blocked transpose implementation from rec_permute_helper in Array<T>::transpose
Jaroslav Hajek <highegg@gmail.com>
parents: 9100
diff changeset
1548 // Reuse the implementation used for permuting.
bb62bc406ea7 reuse fast blocked transpose implementation from rec_permute_helper in Array<T>::transpose
Jaroslav Hajek <highegg@gmail.com>
parents: 9100
diff changeset
1549
bb62bc406ea7 reuse fast blocked transpose implementation from rec_permute_helper in Array<T>::transpose
Jaroslav Hajek <highegg@gmail.com>
parents: 9100
diff changeset
1550 rec_permute_helper::blk_trans (data (), result.fortran_vec (), nr, nc);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1551
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1552 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1553 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1554 else if (nr > 1 && nc > 1)
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1555 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1556 Array<T> result (dim_vector (nc, nr));
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1557
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5265
diff changeset
1558 for (octave_idx_type j = 0; j < nc; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1559 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1560 result.xelem (j, i) = xelem (i, j);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1561
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1562 return result;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1563 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1564 else
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1565 {
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8302
diff changeset
1566 // Fast transpose for vectors and empty matrices.
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1567 return Array<T> (*this, dim_vector (nc, nr));
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1568 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1569 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1570
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1571 template <class T>
8028
f0fbf47c914c avoid null pointer call in Array<T>::hermitian
Jaroslav Hajek <highegg@gmail.com>
parents: 7796
diff changeset
1572 static T
f0fbf47c914c avoid null pointer call in Array<T>::hermitian
Jaroslav Hajek <highegg@gmail.com>
parents: 7796
diff changeset
1573 no_op_fcn (const T& x)
f0fbf47c914c avoid null pointer call in Array<T>::hermitian
Jaroslav Hajek <highegg@gmail.com>
parents: 7796
diff changeset
1574 {
f0fbf47c914c avoid null pointer call in Array<T>::hermitian
Jaroslav Hajek <highegg@gmail.com>
parents: 7796
diff changeset
1575 return x;
f0fbf47c914c avoid null pointer call in Array<T>::hermitian
Jaroslav Hajek <highegg@gmail.com>
parents: 7796
diff changeset
1576 }
f0fbf47c914c avoid null pointer call in Array<T>::hermitian
Jaroslav Hajek <highegg@gmail.com>
parents: 7796
diff changeset
1577
f0fbf47c914c avoid null pointer call in Array<T>::hermitian
Jaroslav Hajek <highegg@gmail.com>
parents: 7796
diff changeset
1578 template <class T>
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1579 Array<T>
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1580 Array<T>::hermitian (T (*fcn) (const T&)) const
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1581 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1582 assert (ndims () == 2);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1583
8028
f0fbf47c914c avoid null pointer call in Array<T>::hermitian
Jaroslav Hajek <highegg@gmail.com>
parents: 7796
diff changeset
1584 if (! fcn)
f0fbf47c914c avoid null pointer call in Array<T>::hermitian
Jaroslav Hajek <highegg@gmail.com>
parents: 7796
diff changeset
1585 fcn = no_op_fcn<T>;
f0fbf47c914c avoid null pointer call in Array<T>::hermitian
Jaroslav Hajek <highegg@gmail.com>
parents: 7796
diff changeset
1586
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1587 octave_idx_type nr = dim1 ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1588 octave_idx_type nc = dim2 ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1589
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1590 if (nr >= 8 && nc >= 8)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1591 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1592 Array<T> result (dim_vector (nc, nr));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1593
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1594 // Blocked transpose to attempt to avoid cache misses.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1595
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1596 // Don't use OCTAVE_LOCAL_BUFFER here as it doesn't work with bool
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1597 // on some compilers.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1598 T buf[64];
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1599
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1600 octave_idx_type ii = 0, jj;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1601 for (jj = 0; jj < (nc - 8 + 1); jj += 8)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1602 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1603 for (ii = 0; ii < (nr - 8 + 1); ii += 8)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1604 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1605 // Copy to buffer
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1606 for (octave_idx_type j = jj, k = 0, idxj = jj * nr;
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1607 j < jj + 8; j++, idxj += nr)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1608 for (octave_idx_type i = ii; i < ii + 8; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1609 buf[k++] = xelem (i + idxj);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1610
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1611 // Copy from buffer
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1612 for (octave_idx_type i = ii, idxi = ii * nc; i < ii + 8;
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1613 i++, idxi += nc)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1614 for (octave_idx_type j = jj, k = i - ii; j < jj + 8;
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1615 j++, k+=8)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1616 result.xelem (j + idxi) = fcn (buf[k]);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1617 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1618
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1619 if (ii < nr)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1620 for (octave_idx_type j = jj; j < jj + 8; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1621 for (octave_idx_type i = ii; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1622 result.xelem (j, i) = fcn (xelem (i, j));
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1623 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1624
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1625 for (octave_idx_type j = jj; j < nc; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1626 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1627 result.xelem (j, i) = fcn (xelem (i, j));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1628
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1629 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1630 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1631 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1632 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1633 Array<T> result (dim_vector (nc, nr));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1634
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1635 for (octave_idx_type j = 0; j < nc; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1636 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1637 result.xelem (j, i) = fcn (xelem (i, j));
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1638
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1639 return result;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1640 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1641 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1642
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1643 /*
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1644
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1645 %% Tranpose tests for matrices of the tile size and plus or minus a row
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1646 %% and with four tiles.
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1647
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1648 %!shared m7, mt7, m8, mt8, m9, mt9
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1649 %! m7 = reshape (1 : 7*8, 8, 7);
7796
762801c50b21 Fix tests for transpose in Array.cc
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1650 %! mt7 = [1:8; 9:16; 17:24; 25:32; 33:40; 41:48; 49:56];
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1651 %! m8 = reshape (1 : 8*8, 8, 8);
7796
762801c50b21 Fix tests for transpose in Array.cc
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1652 %! mt8 = mt8 = [mt7; 57:64];
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1653 %! m9 = reshape (1 : 9*8, 8, 9);
7796
762801c50b21 Fix tests for transpose in Array.cc
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1654 %! mt9 = [mt8; 65:72];
762801c50b21 Fix tests for transpose in Array.cc
David Bateman <dbateman@free.fr>
parents: 7789
diff changeset
1655
14427
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1656 %!assert (m7', mt7)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1657 %!assert ((1i*m7).', 1i * mt7)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1658 %!assert ((1i*m7)', conj (1i * mt7))
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1659 %!assert (m8', mt8)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1660 %!assert ((1i*m8).', 1i * mt8)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1661 %!assert ((1i*m8)', conj (1i * mt8))
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1662 %!assert (m9', mt9)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1663 %!assert ((1i*m9).', 1i * mt9)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1664 %!assert ((1i*m9)', conj (1i * mt9))
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1665 %!assert ([m7, m8; m7, m8]', [mt7, mt7; mt8, mt8])
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1666 %!assert ((1i*[m7, m8; m7, m8]).', 1i * [mt7, mt7; mt8, mt8])
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1667 %!assert ((1i*[m7, m8; m7, m8])', conj (1i * [mt7, mt7; mt8, mt8]))
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1668 %!assert ([m8, m8; m8, m8]', [mt8, mt8; mt8, mt8])
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1669 %!assert ((1i*[m8, m8; m8, m8]).', 1i * [mt8, mt8; mt8, mt8])
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1670 %!assert ((1i*[m8, m8; m8, m8])', conj (1i * [mt8, mt8; mt8, mt8]))
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1671 %!assert ([m9, m8; m9, m8]', [mt9, mt9; mt8, mt8])
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1672 %!assert ((1i*[m9, m8; m9, m8]).', 1i * [mt9, mt9; mt8, mt8])
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14158
diff changeset
1673 %!assert ((1i*[m9, m8; m9, m8])', conj (1i * [mt9, mt9; mt8, mt8]))
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1674
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1675 */
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1676
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7717
diff changeset
1677 template <class T>
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1678 T *
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1679 Array<T>::fortran_vec (void)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1680 {
6881
cd2c6a69a70d [project @ 2007-09-07 21:48:09 by jwe]
jwe
parents: 6867
diff changeset
1681 make_unique ();
cd2c6a69a70d [project @ 2007-09-07 21:48:09 by jwe]
jwe
parents: 6867
diff changeset
1682
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
1683 return slice_data;
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1684 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
1685
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1686 // Non-real types don't have NaNs.
4517
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe]
jwe
parents: 4513
diff changeset
1687 template <class T>
8725
d5af326a3ede [mq]: sort-traits
John W. Eaton <jwe@octave.org>
parents: 8721
diff changeset
1688 inline bool
d5af326a3ede [mq]: sort-traits
John W. Eaton <jwe@octave.org>
parents: 8721
diff changeset
1689 sort_isnan (typename ref_param<T>::type)
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1690 {
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1691 return false;
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1692 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1693
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1694 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1695 Array<T>
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
1696 Array<T>::sort (int dim, sortmode mode) const
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1697 {
10703
5eb420d92307 fix sort and nth_element when trailing singleton dim is specified
Jaroslav Hajek <highegg@gmail.com>
parents: 10681
diff changeset
1698 if (dim < 0)
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1699 {
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1700 (*current_liboctave_error_handler)
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1701 ("sort: invalid dimension");
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1702 return Array<T> ();
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1703 }
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1704
8651
ea8e65ca234f reduce memory usage in sorting
Jaroslav Hajek <highegg@gmail.com>
parents: 8580
diff changeset
1705 Array<T> m (dims ());
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1706
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1707 dim_vector dv = m.dims ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1708
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1709 if (m.length () < 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1710 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1711
10703
5eb420d92307 fix sort and nth_element when trailing singleton dim is specified
Jaroslav Hajek <highegg@gmail.com>
parents: 10681
diff changeset
1712 if (dim >= dv.length ())
5eb420d92307 fix sort and nth_element when trailing singleton dim is specified
Jaroslav Hajek <highegg@gmail.com>
parents: 10681
diff changeset
1713 dv.resize (dim+1, 1);
5eb420d92307 fix sort and nth_element when trailing singleton dim is specified
Jaroslav Hajek <highegg@gmail.com>
parents: 10681
diff changeset
1714
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1715 octave_idx_type ns = dv(dim);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1716 octave_idx_type iter = dv.numel () / ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1717 octave_idx_type stride = 1;
8505
124dd27bedae Array.cc: style fixes
John W. Eaton <jwe@octave.org>
parents: 8410
diff changeset
1718
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1719 for (int i = 0; i < dim; i++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1720 stride *= dv(i);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1721
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1722 T *v = m.fortran_vec ();
8651
ea8e65ca234f reduce memory usage in sorting
Jaroslav Hajek <highegg@gmail.com>
parents: 8580
diff changeset
1723 const T *ov = data ();
ea8e65ca234f reduce memory usage in sorting
Jaroslav Hajek <highegg@gmail.com>
parents: 8580
diff changeset
1724
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1725 octave_sort<T> lsort;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1726
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1727 if (mode != UNSORTED)
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1728 lsort.set_compare (mode);
7463
2467639bd8c0 eliminate UNDEFINED sort mode
John W. Eaton <jwe@octave.org>
parents: 7443
diff changeset
1729 else
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1730 return m;
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1731
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1732 if (stride == 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1733 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1734 for (octave_idx_type j = 0; j < iter; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1735 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1736 // copy and partition out NaNs.
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1737 // FIXME: impact on integer types noticeable?
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1738 octave_idx_type kl = 0, ku = ns;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1739 for (octave_idx_type i = 0; i < ns; i++)
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1740 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1741 T tmp = ov[i];
8725
d5af326a3ede [mq]: sort-traits
John W. Eaton <jwe@octave.org>
parents: 8721
diff changeset
1742 if (sort_isnan<T> (tmp))
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1743 v[--ku] = tmp;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1744 else
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1745 v[kl++] = tmp;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1746 }
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1747
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1748 // sort.
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1749 lsort.sort (v, kl);
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1750
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1751 if (ku < ns)
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1752 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1753 // NaNs are in reverse order
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1754 std::reverse (v + ku, v + ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1755 if (mode == DESCENDING)
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1756 std::rotate (v, v + ku, v + ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1757 }
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1758
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1759 v += ns;
8651
ea8e65ca234f reduce memory usage in sorting
Jaroslav Hajek <highegg@gmail.com>
parents: 8580
diff changeset
1760 ov += ns;
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1761 }
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1762 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1763 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1764 {
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1765 OCTAVE_LOCAL_BUFFER (T, buf, ns);
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1766
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1767 for (octave_idx_type j = 0; j < iter; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1768 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1769 octave_idx_type offset = j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1770 octave_idx_type offset2 = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1771
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1772 while (offset >= stride)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1773 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1774 offset -= stride;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1775 offset2++;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1776 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1777
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1778 offset += offset2 * stride * ns;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1779
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1780 // gather and partition out NaNs.
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1781 // FIXME: impact on integer types noticeable?
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1782 octave_idx_type kl = 0, ku = ns;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1783 for (octave_idx_type i = 0; i < ns; i++)
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1784 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1785 T tmp = ov[i*stride + offset];
8725
d5af326a3ede [mq]: sort-traits
John W. Eaton <jwe@octave.org>
parents: 8721
diff changeset
1786 if (sort_isnan<T> (tmp))
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1787 buf[--ku] = tmp;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1788 else
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1789 buf[kl++] = tmp;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1790 }
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1791
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1792 // sort.
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1793 lsort.sort (buf, kl);
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1794
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1795 if (ku < ns)
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1796 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1797 // NaNs are in reverse order
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1798 std::reverse (buf + ku, buf + ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1799 if (mode == DESCENDING)
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1800 std::rotate (buf, buf + ku, buf + ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1801 }
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1802
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1803 // scatter.
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1804 for (octave_idx_type i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1805 v[i*stride + offset] = buf[i];
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1806 }
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1807 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1808
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1809 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1810 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1811
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1812 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1813 Array<T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1814 Array<T>::sort (Array<octave_idx_type> &sidx, int dim,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1815 sortmode mode) const
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1816 {
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1817 if (dim < 0 || dim >= ndims ())
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1818 {
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1819 (*current_liboctave_error_handler)
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1820 ("sort: invalid dimension");
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1821 return Array<T> ();
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1822 }
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1823
8651
ea8e65ca234f reduce memory usage in sorting
Jaroslav Hajek <highegg@gmail.com>
parents: 8580
diff changeset
1824 Array<T> m (dims ());
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1825
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1826 dim_vector dv = m.dims ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1827
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1828 if (m.length () < 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1829 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1830 sidx = Array<octave_idx_type> (dv);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1831 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1832 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1833
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1834 octave_idx_type ns = dv(dim);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1835 octave_idx_type iter = dv.numel () / ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1836 octave_idx_type stride = 1;
8505
124dd27bedae Array.cc: style fixes
John W. Eaton <jwe@octave.org>
parents: 8410
diff changeset
1837
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1838 for (int i = 0; i < dim; i++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1839 stride *= dv(i);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1840
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1841 T *v = m.fortran_vec ();
8651
ea8e65ca234f reduce memory usage in sorting
Jaroslav Hajek <highegg@gmail.com>
parents: 8580
diff changeset
1842 const T *ov = data ();
ea8e65ca234f reduce memory usage in sorting
Jaroslav Hajek <highegg@gmail.com>
parents: 8580
diff changeset
1843
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1844 octave_sort<T> lsort;
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1845
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1846 sidx = Array<octave_idx_type> (dv);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1847 octave_idx_type *vi = sidx.fortran_vec ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1848
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1849 if (mode != UNSORTED)
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1850 lsort.set_compare (mode);
7463
2467639bd8c0 eliminate UNDEFINED sort mode
John W. Eaton <jwe@octave.org>
parents: 7443
diff changeset
1851 else
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1852 return m;
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1853
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1854 if (stride == 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1855 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1856 for (octave_idx_type j = 0; j < iter; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1857 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1858 // copy and partition out NaNs.
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1859 // FIXME: impact on integer types noticeable?
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1860 octave_idx_type kl = 0, ku = ns;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1861 for (octave_idx_type i = 0; i < ns; i++)
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1862 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1863 T tmp = ov[i];
8725
d5af326a3ede [mq]: sort-traits
John W. Eaton <jwe@octave.org>
parents: 8721
diff changeset
1864 if (sort_isnan<T> (tmp))
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1865 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1866 --ku;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1867 v[ku] = tmp;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1868 vi[ku] = i;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1869 }
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1870 else
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1871 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1872 v[kl] = tmp;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1873 vi[kl] = i;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1874 kl++;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1875 }
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1876 }
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1877
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1878 // sort.
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1879 lsort.sort (v, vi, kl);
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1880
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1881 if (ku < ns)
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1882 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1883 // NaNs are in reverse order
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1884 std::reverse (v + ku, v + ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1885 std::reverse (vi + ku, vi + ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1886 if (mode == DESCENDING)
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1887 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1888 std::rotate (v, v + ku, v + ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1889 std::rotate (vi, vi + ku, vi + ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1890 }
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1891 }
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1892
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1893 v += ns;
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1894 vi += ns;
8651
ea8e65ca234f reduce memory usage in sorting
Jaroslav Hajek <highegg@gmail.com>
parents: 8580
diff changeset
1895 ov += ns;
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1896 }
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1897 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1898 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1899 {
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1900 OCTAVE_LOCAL_BUFFER (T, buf, ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1901 OCTAVE_LOCAL_BUFFER (octave_idx_type, bufi, ns);
8651
ea8e65ca234f reduce memory usage in sorting
Jaroslav Hajek <highegg@gmail.com>
parents: 8580
diff changeset
1902
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1903 for (octave_idx_type j = 0; j < iter; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1904 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1905 octave_idx_type offset = j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1906 octave_idx_type offset2 = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1907
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1908 while (offset >= stride)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1909 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1910 offset -= stride;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1911 offset2++;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1912 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1913
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1914 offset += offset2 * stride * ns;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1915
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
1916 // gather and partition out NaNs.
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1917 // FIXME: impact on integer types noticeable?
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1918 octave_idx_type kl = 0, ku = ns;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1919 for (octave_idx_type i = 0; i < ns; i++)
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1920 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1921 T tmp = ov[i*stride + offset];
8725
d5af326a3ede [mq]: sort-traits
John W. Eaton <jwe@octave.org>
parents: 8721
diff changeset
1922 if (sort_isnan<T> (tmp))
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1923 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1924 --ku;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1925 buf[ku] = tmp;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1926 bufi[ku] = i;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1927 }
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1928 else
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1929 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1930 buf[kl] = tmp;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1931 bufi[kl] = i;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1932 kl++;
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1933 }
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1934 }
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1935
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1936 // sort.
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1937 lsort.sort (buf, bufi, kl);
8700
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1938
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1939 if (ku < ns)
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1940 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1941 // NaNs are in reverse order
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1942 std::reverse (buf + ku, buf + ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1943 std::reverse (bufi + ku, bufi + ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1944 if (mode == DESCENDING)
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1945 {
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1946 std::rotate (buf, buf + ku, buf + ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1947 std::rotate (bufi, bufi + ku, bufi + ns);
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1948 }
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1949 }
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1950
314be237cd5b sorting optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8651
diff changeset
1951 // scatter.
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1952 for (octave_idx_type i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1953 v[i*stride + offset] = buf[i];
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1954 for (octave_idx_type i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1955 vi[i*stride + offset] = bufi[i];
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1956 }
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1957 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1958
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1959 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1960 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7321
diff changeset
1961
7620
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
1962 template <class T>
8725
d5af326a3ede [mq]: sort-traits
John W. Eaton <jwe@octave.org>
parents: 8721
diff changeset
1963 typename Array<T>::compare_fcn_type
9920
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1964 safe_comparator (sortmode mode, const Array<T>& /* a */,
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1965 bool /* allow_chk */)
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1966 {
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1967 if (mode == ASCENDING)
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1968 return octave_sort<T>::ascending_compare;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1969 else if (mode == DESCENDING)
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1970 return octave_sort<T>::descending_compare;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1971 else
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1972 return 0;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1973 }
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1974
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
1975 template <class T>
9920
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1976 sortmode
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1977 Array<T>::is_sorted (sortmode mode) const
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1978 {
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1979 octave_sort<T> lsort;
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1980
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1981 octave_idx_type n = numel ();
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1982
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1983 if (n <= 1)
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1984 return mode ? mode : ASCENDING;
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1985
11210
b79924abf776 Array.cc: use comparisons to sortmode values instead of testing mode directly
John W. Eaton <jwe@octave.org>
parents: 10716
diff changeset
1986 if (mode == UNSORTED)
9920
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1987 {
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1988 // Auto-detect mode.
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1989 compare_fcn_type compare
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
1990 = safe_comparator (ASCENDING, *this, false);
9920
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1991
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1992 if (compare (elem (n-1), elem (0)))
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1993 mode = DESCENDING;
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1994 else
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1995 mode = ASCENDING;
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1996 }
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1997
11210
b79924abf776 Array.cc: use comparisons to sortmode values instead of testing mode directly
John W. Eaton <jwe@octave.org>
parents: 10716
diff changeset
1998 if (mode != UNSORTED)
9920
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1999 {
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2000 lsort.set_compare (safe_comparator (mode, *this, false));
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2001
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2002 if (! lsort.is_sorted (data (), n))
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2003 mode = UNSORTED;
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2004 }
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2005
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2006 return mode;
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2007
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2008 }
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2009
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2010 template <class T>
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2011 Array<octave_idx_type>
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2012 Array<T>::sort_rows_idx (sortmode mode) const
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2013 {
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2014 Array<octave_idx_type> idx;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2015
9921
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2016 octave_sort<T> lsort (safe_comparator (mode, *this, true));
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2017
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2018 octave_idx_type r = rows (), c = cols ();
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2019
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
2020 idx = Array<octave_idx_type> (dim_vector (r, 1));
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2021
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2022 lsort.sort_rows (data (), idx.fortran_vec (), r, c);
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2023
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2024 return idx;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2025 }
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2026
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2027
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2028 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2029 sortmode
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2030 Array<T>::is_sorted_rows (sortmode mode) const
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2031 {
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2032 octave_sort<T> lsort;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2033
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2034 octave_idx_type r = rows (), c = cols ();
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2035
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2036 if (r <= 1 || c == 0)
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2037 return mode ? mode : ASCENDING;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2038
11210
b79924abf776 Array.cc: use comparisons to sortmode values instead of testing mode directly
John W. Eaton <jwe@octave.org>
parents: 10716
diff changeset
2039 if (mode == UNSORTED)
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2040 {
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2041 // Auto-detect mode.
8725
d5af326a3ede [mq]: sort-traits
John W. Eaton <jwe@octave.org>
parents: 8721
diff changeset
2042 compare_fcn_type compare
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2043 = safe_comparator (ASCENDING, *this, false);
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2044
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2045 octave_idx_type i;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2046 for (i = 0; i < cols (); i++)
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2047 {
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2048 T l = elem (0, i), u = elem (rows () - 1, i);
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2049 if (compare (l, u))
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2050 {
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2051 if (mode == DESCENDING)
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2052 {
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2053 mode = UNSORTED;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2054 break;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2055 }
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2056 else
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2057 mode = ASCENDING;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2058 }
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2059 else if (compare (u, l))
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2060 {
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2061 if (mode == ASCENDING)
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2062 {
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2063 mode = UNSORTED;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2064 break;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2065 }
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2066 else
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2067 mode = DESCENDING;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2068 }
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2069 }
11210
b79924abf776 Array.cc: use comparisons to sortmode values instead of testing mode directly
John W. Eaton <jwe@octave.org>
parents: 10716
diff changeset
2070 if (mode == UNSORTED && i == cols ())
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2071 mode = ASCENDING;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2072 }
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2073
11210
b79924abf776 Array.cc: use comparisons to sortmode values instead of testing mode directly
John W. Eaton <jwe@octave.org>
parents: 10716
diff changeset
2074 if (mode != UNSORTED)
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2075 {
9920
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2076 lsort.set_compare (safe_comparator (mode, *this, false));
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2077
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2078 if (! lsort.is_sorted_rows (data (), r, c))
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2079 mode = UNSORTED;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2080 }
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2081
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2082 return mode;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2083
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2084 }
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2085
8814
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2086 // Do a binary lookup in a sorted array.
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2087 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2088 octave_idx_type
8814
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2089 Array<T>::lookup (const T& value, sortmode mode) const
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2090 {
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2091 octave_idx_type n = numel ();
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2092 octave_sort<T> lsort;
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2093
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2094 if (mode == UNSORTED)
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2095 {
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2096 // auto-detect mode
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2097 if (n > 1 && lsort.descending_compare (elem (0), elem (n-1)))
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2098 mode = DESCENDING;
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2099 else
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2100 mode = ASCENDING;
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2101 }
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2102
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2103 lsort.set_compare (mode);
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2104
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2105 return lsort.lookup (data (), n, value);
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2106 }
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2107
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2108 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2109 Array<octave_idx_type>
9921
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2110 Array<T>::lookup (const Array<T>& values, sortmode mode) const
8814
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2111 {
9921
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2112 octave_idx_type n = numel (), nval = values.numel ();
8814
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2113 octave_sort<T> lsort;
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2114 Array<octave_idx_type> idx (values.dims ());
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2115
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2116 if (mode == UNSORTED)
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2117 {
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2118 // auto-detect mode
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2119 if (n > 1 && lsort.descending_compare (elem (0), elem (n-1)))
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2120 mode = DESCENDING;
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2121 else
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2122 mode = ASCENDING;
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2123 }
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2124
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2125 lsort.set_compare (mode);
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2126
9921
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2127 // This determines the split ratio between the O(M*log2(N)) and O(M+N) algorithms.
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2128 static const double ratio = 1.0;
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2129 sortmode vmode = UNSORTED;
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2130
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2131 // Attempt the O(M+N) algorithm if M is large enough.
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2132 if (nval > ratio * n / xlog2 (n + 1.0))
8814
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2133 {
9921
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2134 vmode = values.is_sorted ();
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2135 // The table must not contain a NaN.
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2136 if ((vmode == ASCENDING && sort_isnan<T> (values(nval-1)))
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2137 || (vmode == DESCENDING && sort_isnan<T> (values(0))))
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2138 vmode = UNSORTED;
8814
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2139 }
9921
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2140
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2141 if (vmode != UNSORTED)
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2142 lsort.lookup_sorted (data (), n, values.data (), nval,
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2143 idx.fortran_vec (), vmode != mode);
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2144 else
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2145 lsort.lookup (data (), n, values.data (), nval, idx.fortran_vec ());
8814
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2146
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2147 return idx;
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2148 }
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2149
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2150 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2151 octave_idx_type
9878
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2152 Array<T>::nnz (void) const
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2153 {
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2154 const T *src = data ();
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2155 octave_idx_type nel = nelem (), retval = 0;
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2156 const T zero = T ();
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2157 for (octave_idx_type i = 0; i < nel; i++)
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2158 if (src[i] != zero)
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2159 retval++;
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2160
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2161 return retval;
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2162 }
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2163
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2164 template <class T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2165 Array<octave_idx_type>
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2166 Array<T>::find (octave_idx_type n, bool backward) const
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2167 {
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2168 Array<octave_idx_type> retval;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2169 const T *src = data ();
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2170 octave_idx_type nel = nelem ();
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2171 const T zero = T ();
9310
256c0db275b6 fix behavior of find
Jaroslav Hajek <highegg@gmail.com>
parents: 9237
diff changeset
2172 if (n < 0 || n >= nel)
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2173 {
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2174 // We want all elements, which means we'll almost surely need
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2175 // to resize. So count first, then allocate array of exact size.
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2176 octave_idx_type cnt = 0;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2177 for (octave_idx_type i = 0; i < nel; i++)
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2178 cnt += src[i] != zero;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2179
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2180 retval.clear (cnt, 1);
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2181 octave_idx_type *dest = retval.fortran_vec ();
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2182 for (octave_idx_type i = 0; i < nel; i++)
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2183 if (src[i] != zero) *dest++ = i;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2184 }
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2185 else
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2186 {
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2187 // We want a fixed max number of elements, usually small. So be
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2188 // optimistic, alloc the array in advance, and then resize if
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2189 // needed.
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
2190 retval.clear (n, 1);
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2191 if (backward)
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2192 {
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2193 // Do the search as a series of successive single-element searches.
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2194 octave_idx_type k = 0, l = nel - 1;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2195 for (; k < n; k++)
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2196 {
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2197 for (;l >= 0 && src[l] == zero; l--) ;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2198 if (l >= 0)
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2199 retval(k) = l--;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2200 else
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2201 break;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2202 }
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2203 if (k < n)
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
2204 retval.resize2 (k, 1);
9310
256c0db275b6 fix behavior of find
Jaroslav Hajek <highegg@gmail.com>
parents: 9237
diff changeset
2205 octave_idx_type *rdata = retval.fortran_vec ();
256c0db275b6 fix behavior of find
Jaroslav Hajek <highegg@gmail.com>
parents: 9237
diff changeset
2206 std::reverse (rdata, rdata + k);
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2207 }
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2208 else
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2209 {
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2210 // Do the search as a series of successive single-element searches.
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2211 octave_idx_type k = 0, l = 0;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2212 for (; k < n; k++)
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2213 {
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2214 for (;l != nel && src[l] == zero; l++) ;
9029
2df28ad88b0e small fix in Array::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9025
diff changeset
2215 if (l != nel)
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2216 retval(k) = l++;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2217 else
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2218 break;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2219 }
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2220 if (k < n)
11574
a83bad07f7e3 attempt better backward compatibility for Array resize functions
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
2221 retval.resize2 (k, 1);
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2222 }
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2223 }
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2224
9046
88bf56bbccca make Array::find already return Matlab-compatible dimensions
Jaroslav Hajek <highegg@gmail.com>
parents: 9029
diff changeset
2225 // Fixup return dimensions, for Matlab compatibility.
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
2226 // find (zeros (0,0)) -> zeros (0,0)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
2227 // find (zeros (1,0)) -> zeros (1,0)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
2228 // find (zeros (0,1)) -> zeros (0,1)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
2229 // find (zeros (0,X)) -> zeros (0,1)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
2230 // find (zeros (1,1)) -> zeros (0,0) !!!! WHY?
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
2231 // find (zeros (0,1,0)) -> zeros (0,0)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
2232 // find (zeros (0,1,0,1)) -> zeros (0,0) etc
9046
88bf56bbccca make Array::find already return Matlab-compatible dimensions
Jaroslav Hajek <highegg@gmail.com>
parents: 9029
diff changeset
2233
88bf56bbccca make Array::find already return Matlab-compatible dimensions
Jaroslav Hajek <highegg@gmail.com>
parents: 9029
diff changeset
2234 if ((numel () == 1 && retval.is_empty ())
88bf56bbccca make Array::find already return Matlab-compatible dimensions
Jaroslav Hajek <highegg@gmail.com>
parents: 9029
diff changeset
2235 || (rows () == 0 && dims ().numel (1) == 0))
88bf56bbccca make Array::find already return Matlab-compatible dimensions
Jaroslav Hajek <highegg@gmail.com>
parents: 9029
diff changeset
2236 retval.dimensions = dim_vector ();
88bf56bbccca make Array::find already return Matlab-compatible dimensions
Jaroslav Hajek <highegg@gmail.com>
parents: 9029
diff changeset
2237 else if (rows () == 1 && ndims () == 2)
88bf56bbccca make Array::find already return Matlab-compatible dimensions
Jaroslav Hajek <highegg@gmail.com>
parents: 9029
diff changeset
2238 retval.dimensions = dim_vector (1, retval.length ());
88bf56bbccca make Array::find already return Matlab-compatible dimensions
Jaroslav Hajek <highegg@gmail.com>
parents: 9029
diff changeset
2239
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2240 return retval;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2241 }
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2242
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2243 template <class T>
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2244 Array<T>
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2245 Array<T>::nth_element (const idx_vector& n, int dim) const
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2246 {
10703
5eb420d92307 fix sort and nth_element when trailing singleton dim is specified
Jaroslav Hajek <highegg@gmail.com>
parents: 10681
diff changeset
2247 if (dim < 0)
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2248 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2249 (*current_liboctave_error_handler)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2250 ("nth_element: invalid dimension");
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2251 return Array<T> ();
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2252 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2253
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2254 dim_vector dv = dims ();
10703
5eb420d92307 fix sort and nth_element when trailing singleton dim is specified
Jaroslav Hajek <highegg@gmail.com>
parents: 10681
diff changeset
2255 if (dim >= dv.length ())
5eb420d92307 fix sort and nth_element when trailing singleton dim is specified
Jaroslav Hajek <highegg@gmail.com>
parents: 10681
diff changeset
2256 dv.resize (dim+1, 1);
5eb420d92307 fix sort and nth_element when trailing singleton dim is specified
Jaroslav Hajek <highegg@gmail.com>
parents: 10681
diff changeset
2257
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2258 octave_idx_type ns = dv(dim);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2259
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2260 octave_idx_type nn = n.length (ns);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2261
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2262 dv(dim) = std::min (nn, ns);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2263 dv.chop_trailing_singletons ();
14440
3d4bea9accd7 Fix segfault on multidimensional median call (bug #35679).
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 14158
diff changeset
2264 dim = std::min (dv.length (), dim);
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2265
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2266 Array<T> m (dv);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2267
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2268 if (m.numel () == 0)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2269 return m;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2270
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2271 sortmode mode = UNSORTED;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2272 octave_idx_type lo = 0;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2273
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2274 switch (n.idx_class ())
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2275 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2276 case idx_vector::class_scalar:
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2277 mode = ASCENDING;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2278 lo = n(0);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2279 break;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2280 case idx_vector::class_range:
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2281 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2282 octave_idx_type inc = n.increment ();
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2283 if (inc == 1)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2284 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2285 mode = ASCENDING;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2286 lo = n(0);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2287 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2288 else if (inc == -1)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2289 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2290 mode = DESCENDING;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2291 lo = ns - 1 - n(0);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2292 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2293 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2294 default:
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2295 break;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2296 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2297
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2298 if (mode == UNSORTED)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2299 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2300 (*current_liboctave_error_handler)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2301 ("nth_element: n must be a scalar or a contiguous range");
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2302 return Array<T> ();
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2303 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2304
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2305 octave_idx_type up = lo + nn;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2306
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2307 if (lo < 0 || up > ns)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2308 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2309 (*current_liboctave_error_handler)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2310 ("nth_element: invalid element index");
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2311 return Array<T> ();
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2312 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2313
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2314 octave_idx_type iter = numel () / ns;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2315 octave_idx_type stride = 1;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2316
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2317 for (int i = 0; i < dim; i++)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2318 stride *= dv(i);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2319
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2320 T *v = m.fortran_vec ();
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2321 const T *ov = data ();
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2322
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2323 OCTAVE_LOCAL_BUFFER (T, buf, ns);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2324
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2325 octave_sort<T> lsort;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2326 lsort.set_compare (mode);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2327
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2328 for (octave_idx_type j = 0; j < iter; j++)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2329 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2330 octave_idx_type kl = 0, ku = ns;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2331
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2332 if (stride == 1)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2333 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2334 // copy without NaNs.
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2335 // FIXME: impact on integer types noticeable?
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2336 for (octave_idx_type i = 0; i < ns; i++)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2337 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2338 T tmp = ov[i];
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2339 if (sort_isnan<T> (tmp))
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2340 buf[--ku] = tmp;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2341 else
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2342 buf[kl++] = tmp;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2343 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2344
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2345 ov += ns;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2346 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2347 else
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2348 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2349 octave_idx_type offset = j % stride;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2350 // copy without NaNs.
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2351 // FIXME: impact on integer types noticeable?
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2352 for (octave_idx_type i = 0; i < ns; i++)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2353 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2354 T tmp = ov[offset + i*stride];
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2355 if (sort_isnan<T> (tmp))
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2356 buf[--ku] = tmp;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2357 else
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2358 buf[kl++] = tmp;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2359 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2360
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2361 if (offset == stride-1)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2362 ov += ns*stride;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2363 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2364
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2365 if (ku == ns)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2366 lsort.nth_element (buf, ns, lo, up);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2367 else if (mode == ASCENDING)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2368 lsort.nth_element (buf, ku, lo, std::min (ku, up));
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2369 else
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2370 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2371 octave_idx_type nnan = ns - ku;
10258
e317791645c4 64-bit fixes
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
2372 octave_idx_type zero = 0;
e317791645c4 64-bit fixes
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
2373 lsort.nth_element (buf, ku, std::max (lo - nnan, zero),
e317791645c4 64-bit fixes
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
2374 std::max (up - nnan, zero));
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2375 std::rotate (buf, buf + ku, buf + ns);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2376 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2377
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2378 if (stride == 1)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2379 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2380 for (octave_idx_type i = 0; i < nn; i++)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2381 v[i] = buf[lo + i];
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2382
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2383 v += nn;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2384 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2385 else
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2386 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2387 octave_idx_type offset = j % stride;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2388 for (octave_idx_type i = 0; i < nn; i++)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2389 v[offset + stride * i] = buf[lo + i];
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2390 if (offset == stride-1)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2391 v += nn*stride;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2392 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2393 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2394
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2395 return m;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2396 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2397
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2398
9237
3c1762c7e787 Add missing xxx_API decoration and remove misplaced ones
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9222
diff changeset
2399 #define INSTANTIATE_ARRAY_SORT(T) template class OCTAVE_API octave_sort<T>;
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2400
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2401 #define NO_INSTANTIATE_ARRAY_SORT(T) \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2402 \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2403 template <> Array<T> \
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2404 Array<T>::sort (int, sortmode) const { return *this; } \
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2405 \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2406 template <> Array<T> \
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2407 Array<T>::sort (Array<octave_idx_type> &sidx, int, sortmode) const \
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2408 { sidx = Array<octave_idx_type> (); return *this; } \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2409 \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2410 template <> sortmode \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2411 Array<T>::is_sorted (sortmode) const \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2412 { return UNSORTED; } \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2413 \
8725
d5af326a3ede [mq]: sort-traits
John W. Eaton <jwe@octave.org>
parents: 8721
diff changeset
2414 Array<T>::compare_fcn_type \
9920
56fbe170d354 fix issorted with NaNs in middle
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
2415 safe_comparator (sortmode, const Array<T>&, bool) \
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2416 { return 0; } \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2417 \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2418 template <> Array<octave_idx_type> \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2419 Array<T>::sort_rows_idx (sortmode) const \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2420 { return Array<octave_idx_type> (); } \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2421 \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2422 template <> sortmode \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2423 Array<T>::is_sorted_rows (sortmode) const \
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2424 { return UNSORTED; } \
8814
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2425 \
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2426 template <> octave_idx_type \
9222
7bd406e12e4d instantiate Array<void *> in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9201
diff changeset
2427 Array<T>::lookup (T const &, sortmode) const \
8814
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2428 { return 0; } \
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2429 template <> Array<octave_idx_type> \
9921
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9920
diff changeset
2430 Array<T>::lookup (const Array<T>&, sortmode) const \
8814
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8799
diff changeset
2431 { return Array<octave_idx_type> (); } \
9878
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2432 \
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2433 template <> octave_idx_type \
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2434 Array<T>::nnz (void) const\
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
2435 { return 0; } \
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2436 template <> Array<octave_idx_type> \
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2437 Array<T>::find (octave_idx_type, bool) const\
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 9012
diff changeset
2438 { return Array<octave_idx_type> (); } \
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2439 \
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2440 template <> Array<T> \
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9678
diff changeset
2441 Array<T>::nth_element (const idx_vector&, int) const { return Array<T> (); } \
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2442
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2443
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2444 template <class T>
7620
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2445 Array<T>
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2446 Array<T>::diag (octave_idx_type k) const
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2447 {
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2448 dim_vector dv = dims ();
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2449 octave_idx_type nd = dv.length ();
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2450 Array<T> d;
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2451
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2452 if (nd > 2)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2453 (*current_liboctave_error_handler) ("Matrix must be 2-dimensional");
7620
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2454 else
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2455 {
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2456 octave_idx_type nnr = dv (0);
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2457 octave_idx_type nnc = dv (1);
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2458
12550
ea3a4bf39048 Treat empty vector (1x0 or 0x1) as valid input to diag().
Rik <octave@nomad.inbox5.com>
parents: 12153
diff changeset
2459 if (nnr == 0 && nnc == 0)
ea3a4bf39048 Treat empty vector (1x0 or 0x1) as valid input to diag().
Rik <octave@nomad.inbox5.com>
parents: 12153
diff changeset
2460 ; // do nothing for empty matrix
7620
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2461 else if (nnr != 1 && nnc != 1)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2462 {
12550
ea3a4bf39048 Treat empty vector (1x0 or 0x1) as valid input to diag().
Rik <octave@nomad.inbox5.com>
parents: 12153
diff changeset
2463 // Extract diag from matrix
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2464 if (k > 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2465 nnc -= k;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2466 else if (k < 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2467 nnr += k;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2468
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2469 if (nnr > 0 && nnc > 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2470 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2471 octave_idx_type ndiag = (nnr < nnc) ? nnr : nnc;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2472
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2473 d.resize (dim_vector (ndiag, 1));
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2474
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2475 if (k > 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2476 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2477 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2478 d.xelem (i) = elem (i, i+k);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2479 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2480 else if (k < 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2481 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2482 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2483 d.xelem (i) = elem (i-k, i);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2484 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2485 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2486 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2487 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2488 d.xelem (i) = elem (i, i);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2489 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2490 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2491 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2492 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2493 ("diag: requested diagonal out of range");
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2494 }
12550
ea3a4bf39048 Treat empty vector (1x0 or 0x1) as valid input to diag().
Rik <octave@nomad.inbox5.com>
parents: 12153
diff changeset
2495 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2496 {
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12884
diff changeset
2497 // Create diag matrix from vector
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2498 octave_idx_type roff = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2499 octave_idx_type coff = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2500 if (k > 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2501 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2502 roff = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2503 coff = k;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2504 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2505 else if (k < 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2506 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2507 roff = -k;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2508 coff = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2509 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2510
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2511 if (nnr == 1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2512 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2513 octave_idx_type n = nnc + std::abs (k);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2514 d = Array<T> (dim_vector (n, n), resize_fill_value ());
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2515
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2516 for (octave_idx_type i = 0; i < nnc; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2517 d.xelem (i+roff, i+coff) = elem (0, i);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2518 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2519 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2520 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2521 octave_idx_type n = nnr + std::abs (k);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2522 d = Array<T> (dim_vector (n, n), resize_fill_value ());
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2523
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2524 for (octave_idx_type i = 0; i < nnr; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2525 d.xelem (i+roff, i+coff) = elem (i, 0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2526 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2527 }
7620
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2528 }
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2529
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2530 return d;
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2531 }
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7605
diff changeset
2532
4517
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe]
jwe
parents: 4513
diff changeset
2533 template <class T>
10531
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2534 Array<T>
14557
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2535 Array<T>::diag (octave_idx_type m, octave_idx_type n) const
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2536 {
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2537 Array<T> retval;
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2538
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2539 if (ndims () == 2 && (rows () == 1 || cols () == 1))
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2540 {
14591
6b7e9724912a Silence warning about deprecated resize() call
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 14557
diff changeset
2541 retval.resize (dim_vector (m, n), resize_fill_value ());
14557
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2542
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2543 for (octave_idx_type i = 0; i < numel (); i++)
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2544 retval.xelem (i, i) = xelem (i);
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2545 }
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2546 else
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2547 (*current_liboctave_error_handler)
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2548 ("cat: invalid dimension");
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2549
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2550 return retval;
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2551 }
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2552
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2553 template <class T>
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14446
diff changeset
2554 Array<T>
10531
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2555 Array<T>::cat (int dim, octave_idx_type n, const Array<T> *array_list)
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2556 {
10716
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2557 // Default concatenation.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2558 bool (dim_vector::*concat_rule) (const dim_vector&, int) = &dim_vector::concat;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2559
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2560 if (dim == -1 || dim == -2)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2561 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2562 concat_rule = &dim_vector::hvcat;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2563 dim = -dim - 1;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2564 }
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2565 else if (dim < 0)
10531
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2566 (*current_liboctave_error_handler)
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2567 ("cat: invalid dimension");
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2568
10535
3f973f6c841c improve sparse concatenation operator
Jaroslav Hajek <highegg@gmail.com>
parents: 10533
diff changeset
2569 if (n == 1)
3f973f6c841c improve sparse concatenation operator
Jaroslav Hajek <highegg@gmail.com>
parents: 10533
diff changeset
2570 return array_list[0];
10681
0ba9bd294421 make cat() (hopefully) more matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10674
diff changeset
2571 else if (n == 0)
0ba9bd294421 make cat() (hopefully) more matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10674
diff changeset
2572 return Array<T> ();
0ba9bd294421 make cat() (hopefully) more matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10674
diff changeset
2573
11241
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2574 // Special case:
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2575 //
11242
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2576 // cat (dim, [], ..., [], A, ...)
11241
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2577 //
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2578 // with dim > 2, A not 0x0, and at least three arguments to
11242
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2579 // concatenate is equivalent to
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2580 //
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2581 // cat (dim, A, ...)
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2582 //
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2583 // Note that this check must be performed here because for full-on
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2584 // braindead Matlab compatibility, we need to have things like
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2585 //
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2586 // cat (3, [], [], A)
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2587 //
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2588 // succeed, but to have things like
11241
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2589 //
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2590 // cat (3, cat (3, [], []), A)
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2591 // cat (3, zeros (0, 0, 2), A)
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2592 //
11242
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2593 // fail. See also bug report #31615.
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2594
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2595 octave_idx_type istart = 0;
11241
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2596
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2597 if (n > 2 && dim > 1)
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2598 {
11242
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2599 for (octave_idx_type i = 0; i < n; i++)
11241
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2600 {
11242
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2601 dim_vector dv = array_list[i].dims ();
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2602
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2603 if (dv.zero_by_zero ())
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2604 istart++;
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2605 else
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2606 break;
11241
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2607 }
11242
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2608
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2609 // Don't skip any initial aguments if they are all empty.
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2610 if (istart >= n)
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2611 istart = 0;
11241
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2612 }
80e01d79cf80 special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11210
diff changeset
2613
11242
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2614 dim_vector dv = array_list[istart++].dims ();
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2615
0090bb47d0b5 simplify special case for concatenation of empty matrices
John W. Eaton <jwe@octave.org>
parents: 11241
diff changeset
2616 for (octave_idx_type i = istart; i < n; i++)
10716
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2617 if (! (dv.*concat_rule) (array_list[i].dims (), dim))
10531
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2618 (*current_liboctave_error_handler)
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2619 ("cat: dimension mismatch");
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2620
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2621 Array<T> retval (dv);
10716
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2622
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2623 if (retval.is_empty ())
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2624 return retval;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2625
10533
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat
Jaroslav Hajek <highegg@gmail.com>
parents: 10531
diff changeset
2626 int nidx = std::max (dv.length (), dim + 1);
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
2627 Array<idx_vector> idxa (dim_vector (nidx, 1), idx_vector::colon);
10531
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2628 octave_idx_type l = 0;
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2629
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2630 for (octave_idx_type i = 0; i < n; i++)
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2631 {
10716
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2632 // NOTE: This takes some thinking, but no matter what the above rules
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2633 // are, an empty array can always be skipped at this point, because
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2634 // the result dimensions are already determined, and there is no way
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2635 // an empty array may contribute a nonzero piece along the dimension
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2636 // at this point, unless an empty array can be promoted to a non-empty
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2637 // one (which makes no sense). I repeat, *no way*, think about it.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 10703
diff changeset
2638 if (array_list[i].is_empty ())
10533
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat
Jaroslav Hajek <highegg@gmail.com>
parents: 10531
diff changeset
2639 continue;
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat
Jaroslav Hajek <highegg@gmail.com>
parents: 10531
diff changeset
2640
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat
Jaroslav Hajek <highegg@gmail.com>
parents: 10531
diff changeset
2641 octave_quit ();
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat
Jaroslav Hajek <highegg@gmail.com>
parents: 10531
diff changeset
2642
10531
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2643 octave_idx_type u;
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2644 if (dim < array_list[i].ndims ())
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2645 u = l + array_list[i].dims ()(dim);
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2646 else
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2647 u = l + 1;
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2648
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2649 idxa(dim) = idx_vector (l, u);
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2650
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2651 retval.assign (idxa, array_list[i]);
10533
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat
Jaroslav Hajek <highegg@gmail.com>
parents: 10531
diff changeset
2652
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat
Jaroslav Hajek <highegg@gmail.com>
parents: 10531
diff changeset
2653 l = u;
10531
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2654 }
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2655
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2656 return retval;
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2657 }
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2658
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
2659 template <class T>
4517
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe]
jwe
parents: 4513
diff changeset
2660 void
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3657
diff changeset
2661 Array<T>::print_info (std::ostream& os, const std::string& prefix) const
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3657
diff changeset
2662 {
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
2663 os << prefix << "rep address: " << rep << '\n'
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
2664 << prefix << "rep->len: " << rep->len << '\n'
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
2665 << prefix << "rep->data: " << static_cast<void *> (rep->data) << '\n'
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
2666 << prefix << "rep->count: " << rep->count << '\n'
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
2667 << prefix << "slice_data: " << static_cast<void *> (slice_data) << '\n'
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8505
diff changeset
2668 << prefix << "slice_len: " << slice_len << '\n';
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
2669
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
2670 // 2D info:
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
2671 //
4657
a585a2dfca6c [project @ 2003-11-25 01:30:09 by jwe]
jwe
parents: 4656
diff changeset
2672 // << pefix << "rows: " << rows () << "\n"
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4192
diff changeset
2673 // << prefix << "cols: " << cols () << "\n";
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3657
diff changeset
2674 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3657
diff changeset
2675
9201
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9121
diff changeset
2676 template <class T>
10674
e3064439d6b4 new Array method for internal use
Jaroslav Hajek <highegg@gmail.com>
parents: 10673
diff changeset
2677 bool Array<T>::optimize_dimensions (const dim_vector& dv)
e3064439d6b4 new Array method for internal use
Jaroslav Hajek <highegg@gmail.com>
parents: 10673
diff changeset
2678 {
e3064439d6b4 new Array method for internal use
Jaroslav Hajek <highegg@gmail.com>
parents: 10673
diff changeset
2679 bool retval = dimensions == dv;
e3064439d6b4 new Array method for internal use
Jaroslav Hajek <highegg@gmail.com>
parents: 10673
diff changeset
2680 if (retval)
e3064439d6b4 new Array method for internal use
Jaroslav Hajek <highegg@gmail.com>
parents: 10673
diff changeset
2681 dimensions = dv;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
2682
10674
e3064439d6b4 new Array method for internal use
Jaroslav Hajek <highegg@gmail.com>
parents: 10673
diff changeset
2683 return retval;
e3064439d6b4 new Array method for internal use
Jaroslav Hajek <highegg@gmail.com>
parents: 10673
diff changeset
2684 }
e3064439d6b4 new Array method for internal use
Jaroslav Hajek <highegg@gmail.com>
parents: 10673
diff changeset
2685
e3064439d6b4 new Array method for internal use
Jaroslav Hajek <highegg@gmail.com>
parents: 10673
diff changeset
2686 template <class T>
9201
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9121
diff changeset
2687 void Array<T>::instantiation_guard ()
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9121
diff changeset
2688 {
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9121
diff changeset
2689 // This guards against accidental implicit instantiations.
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9121
diff changeset
2690 // Array<T> instances should always be explicit and use INSTANTIATE_ARRAY.
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14625
diff changeset
2691 T::__xXxXx__ ();
9201
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9121
diff changeset
2692 }
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9121
diff changeset
2693
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2694 #define INSTANTIATE_ARRAY(T, API) \
9201
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9121
diff changeset
2695 template <> void Array<T>::instantiation_guard () { } \
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2696 template class API Array<T>
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
2697
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2698 // FIXME: is this used?
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2699
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2700 template <class T>
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2701 std::ostream&
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2702 operator << (std::ostream& os, const Array<T>& a)
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2703 {
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2704 dim_vector a_dims = a.dims ();
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2705
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2706 int n_dims = a_dims.length ();
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2707
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2708 os << n_dims << "-dimensional array";
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2709
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2710 if (n_dims)
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2711 os << " (" << a_dims.str () << ")";
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2712
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2713 os <<"\n\n";
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2714
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2715 if (n_dims)
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2716 {
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2717 os << "data:";
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2718
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
2719 Array<octave_idx_type> ra_idx (dim_vector (n_dims, 1), 0);
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2720
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2721 // Number of times the first 2d-array is to be displayed.
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2722
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2723 octave_idx_type m = 1;
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2724 for (int i = 2; i < n_dims; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2725 m *= a_dims(i);
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2726
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2727 if (m == 1)
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2728 {
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2729 octave_idx_type rows = 0;
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2730 octave_idx_type cols = 0;
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2731
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2732 switch (n_dims)
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2733 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2734 case 2:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2735 rows = a_dims(0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2736 cols = a_dims(1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2737
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2738 for (octave_idx_type j = 0; j < rows; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2739 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2740 ra_idx(0) = j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2741 for (octave_idx_type k = 0; k < cols; k++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2742 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2743 ra_idx(1) = k;
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
2744 os << " " << a.elem (ra_idx);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2745 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2746 os << "\n";
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2747 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2748 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2749
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2750 default:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2751 rows = a_dims(0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2752
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2753 for (octave_idx_type k = 0; k < rows; k++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2754 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2755 ra_idx(0) = k;
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
2756 os << " " << a.elem (ra_idx);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2757 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2758 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2759 }
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2760
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2761 os << "\n";
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2762 }
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2763 else
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2764 {
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2765 octave_idx_type rows = a_dims(0);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2766 octave_idx_type cols = a_dims(1);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2767
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2768 for (int i = 0; i < m; i++)
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2769 {
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2770 os << "\n(:,:,";
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2771
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2772 for (int j = 2; j < n_dims - 1; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2773 os << ra_idx(j) + 1 << ",";
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2774
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2775 os << ra_idx(n_dims - 1) + 1 << ") = \n";
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2776
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2777 for (octave_idx_type j = 0; j < rows; j++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2778 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2779 ra_idx(0) = j;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2780
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2781 for (octave_idx_type k = 0; k < cols; k++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2782 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2783 ra_idx(1) = k;
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
2784 os << " " << a.elem (ra_idx);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2785 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2786
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2787 os << "\n";
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2788 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2789
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2790 os << "\n";
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2791
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2792 if (i != m - 1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10270
diff changeset
2793 increment_index (ra_idx, a_dims, 2);
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2794 }
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2795 }
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2796 }
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2797
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2798 return os;
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
2799 }