octave-lyh: liboctave/array/idx-vector.cc annotate

annotate liboctave/array/idx-vector.cc @ 17489:0ad2f93fd83c

doc: Fix a typo in findobj docstring. * scripts/plot/findobj.m: Use '3' instead of 'D' in findobj example of depth 3.

author	Rik <rik@octave.org>
date	Wed, 25 Sep 2013 08:13:30 -0700
parents	8fce0ed4894a
children

rev	line source
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	2
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 14083 diff changeset	3 Copyright (C) 1993-2012 John W. Eaton
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11503 diff changeset	4 Copyright (C) 2008-2009 Jaroslav Hajek
fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11503 diff changeset	5 Copyright (C) 2009-2010 VZLU Prague
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	6
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	7 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	8
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	9 Octave is free software; you can redistribute it and/or modify it
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	10 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: 6884 diff changeset	11 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6884 diff changeset	12 option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	13
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	14 Octave is distributed in the hope that it will be useful, but WITHOUT
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	17 for more details.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	18
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	19 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: 6884 diff changeset	20 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6884 diff changeset	21 <http://www.gnu.org/licenses/>.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	22
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	23 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	24
240 a99f28f5e351 [project @ 1993-11-30 20:24:36 by jwe] jwe parents: 227 diff changeset	25 #ifdef HAVE_CONFIG_H
1192 b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe] jwe parents: 1135 diff changeset	26 #include <config.h>
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	27 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	28
1343 94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1321 diff changeset	29 #include <cstdlib>
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1321 diff changeset	30
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3472 diff changeset	31 #include <iostream>
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	32
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	33 #include "idx-vector.h"
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	34 #include "Array.h"
10370 9c4daf174387 implement IDs for common liboctave exceptions Jaroslav Hajek <highegg@gmail.com> parents: 10339 diff changeset	35 #include "Array-util.h"
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	36 #include "Sparse.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1343 diff changeset	37 #include "Range.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1343 diff changeset	38
8379 ad8ed668e0a4 allow initialized local buffers Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	39 #include "oct-locbuf.h"
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	40 #include "lo-error.h"
2500 e39839e18edc [project @ 1996-11-12 17:13:53 by jwe] jwe parents: 2386 diff changeset	41 #include "lo-mappers.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	42
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	43 static void
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	44 gripe_invalid_range (void)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	45 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	46 (*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	47 ("invalid range used as index");
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	48 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	49
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	50 static void
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	51 gripe_index_out_of_range (void)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	52 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	53 (*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	54 ("internal error: idx_vector index out of range");
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	55 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	56
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	57 Array<octave_idx_type>
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	58 idx_vector::idx_base_rep::as_array (void)
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	59 {
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	60 (*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	61 ("internal error: as_array not allowed for this index class");
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	62
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	63 return Array<octave_idx_type> ();
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	64 }
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	65
8680 a2bcd96b9344 use allocators for idx_vector_rep subclasses Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	66 DEFINE_OCTAVE_ALLOCATOR(idx_vector::idx_colon_rep);
a2bcd96b9344 use allocators for idx_vector_rep subclasses Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	67
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	68 idx_vector::idx_colon_rep::idx_colon_rep (char c)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	69 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	70 if (c != ':')
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	71 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	72 (*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	73 ("internal error: invalid character converted to idx_vector; must be ':'");
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	74 err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	75 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	76 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	77
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	78 octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	79 idx_vector::idx_colon_rep::checkelem (octave_idx_type i) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	80 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	81 if (i < 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	82 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	83 gripe_index_out_of_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	84 return 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	85 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	86 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	87 return i;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	88 }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	89
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	90 idx_vector::idx_base_rep *
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	91 idx_vector::idx_colon_rep::sort_idx (Array<octave_idx_type>&)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	92 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	93 (*current_liboctave_error_handler)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	94 ("internal error: idx_colon_rep::sort_idx");
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	95
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	96 count++;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	97 return this;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	98 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	99
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	100 std::ostream&
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	101 idx_vector::idx_colon_rep::print (std::ostream& os) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	102 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	103 return os << ":";
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	104 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	105
8680 a2bcd96b9344 use allocators for idx_vector_rep subclasses Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	106 DEFINE_OCTAVE_ALLOCATOR(idx_vector::idx_range_rep);
a2bcd96b9344 use allocators for idx_vector_rep subclasses Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	107
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	108 idx_vector::idx_range_rep::idx_range_rep (octave_idx_type _start,
e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	109 octave_idx_type _limit,
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	110 octave_idx_type _step)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14138 diff changeset	111 : start(_start), len (_step ? std::max ((_limit - _start) / _step, static_cast<octave_idx_type> (0)) : -1), step (_step)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	112 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	113 if (len < 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	114 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	115 gripe_invalid_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	116 err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	117 }
9757 95ad9c2a27e2 fix idx_vector construction checks Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	118 else if (start < 0 \|\| (step < 0 && start + (len-1)*step < 0))
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	119 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	120 gripe_invalid_index ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	121 err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	122 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	123 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	124
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	125 idx_vector::idx_range_rep::idx_range_rep (const Range& r)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	126 : start (0), len (r.nelem ()), step (1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	127 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	128 if (len < 0)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	129 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	130 gripe_invalid_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	131 err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	132 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	133 else if (len > 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	134 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	135 if (r.all_elements_are_ints ())
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	136 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	137 start = static_cast<octave_idx_type> (r.base ()) - 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	138 step = static_cast<octave_idx_type> (r.inc ());
9124 47f19c11b558 fix checking valid range subscripts Jaroslav Hajek <highegg@gmail.com> parents: 9045 diff changeset	139 if (start < 0 \|\| (step < 0 && start + (len-1)*step < 0))
47f19c11b558 fix checking valid range subscripts Jaroslav Hajek <highegg@gmail.com> parents: 9045 diff changeset	140 {
47f19c11b558 fix checking valid range subscripts Jaroslav Hajek <highegg@gmail.com> parents: 9045 diff changeset	141 gripe_invalid_index ();
47f19c11b558 fix checking valid range subscripts Jaroslav Hajek <highegg@gmail.com> parents: 9045 diff changeset	142 err = true;
47f19c11b558 fix checking valid range subscripts Jaroslav Hajek <highegg@gmail.com> parents: 9045 diff changeset	143 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	144 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	145 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	146 {
9124 47f19c11b558 fix checking valid range subscripts Jaroslav Hajek <highegg@gmail.com> parents: 9045 diff changeset	147 gripe_invalid_index ();
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	148 err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	149 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	150 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	151 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	152
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5108 diff changeset	153 octave_idx_type
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	154 idx_vector::idx_range_rep::checkelem (octave_idx_type i) const
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	155 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	156 if (i < 0 \|\| i >= len)
4732 b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4653 diff changeset	157 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	158 gripe_index_out_of_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	159 return 0;
4732 b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4653 diff changeset	160 }
b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4653 diff changeset	161 else
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	162 return start + i*step;
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	163 }
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	164
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	165 idx_vector::idx_base_rep *
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	166 idx_vector::idx_range_rep::sort_uniq_clone (bool)
2500 e39839e18edc [project @ 1996-11-12 17:13:53 by jwe] jwe parents: 2386 diff changeset	167 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	168 if (step < 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	169 return new idx_range_rep (start + (len - 1)*step, len, -step, DIRECT);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	170 else
2500 e39839e18edc [project @ 1996-11-12 17:13:53 by jwe] jwe parents: 2386 diff changeset	171 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	172 count++;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	173 return this;
2500 e39839e18edc [project @ 1996-11-12 17:13:53 by jwe] jwe parents: 2386 diff changeset	174 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	175 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	176
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	177 idx_vector::idx_base_rep *
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	178 idx_vector::idx_range_rep::sort_idx (Array<octave_idx_type>& idx)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	179 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	180 if (step < 0 && len > 0)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	181 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	182 idx.clear (1, len);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	183 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	184 idx.xelem (i) = len - 1 - i;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	185 return new idx_range_rep (start + (len - 1)*step, len, -step, DIRECT);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	186 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	187 else
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	188 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	189 idx.clear (1, len);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	190 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	191 idx.xelem (i) = i;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	192 count++;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	193 return this;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	194 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	195 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	196
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	197 std::ostream&
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	198 idx_vector::idx_range_rep::print (std::ostream& os) const
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	199 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	200 os << start << ':' << step << ':' << start + len*step;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	201 return os;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	202 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	203
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	204 Range
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	205 idx_vector::idx_range_rep::unconvert (void) const
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	206 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	207 return Range (static_cast<double> (start+1),
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	208 static_cast<double> (step), len);
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	209 }
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	210
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	211 Array<octave_idx_type>
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	212 idx_vector::idx_range_rep::as_array (void)
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	213 {
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	214 Array<octave_idx_type> retval (dim_vector (1, len));
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	215 for (octave_idx_type i = 0; i < len; i++)
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10475 diff changeset	216 retval.xelem (i) = start + i*step;
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	217
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	218 return retval;
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	219 }
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	220
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	221 inline octave_idx_type
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	222 convert_index (octave_idx_type i, bool& conv_error,
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	223 octave_idx_type& ext)
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	224 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	225 if (i <= 0)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	226 conv_error = true;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	227
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	228 if (ext < i)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	229 ext = i;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	230
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	231 return i - 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	232 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	233
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	234 inline octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	235 convert_index (double x, bool& conv_error, octave_idx_type& ext)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	236 {
9007 7e31df9a0334 simplify double->int conversion in indexing Jaroslav Hajek <highegg@gmail.com> parents: 8972 diff changeset	237 octave_idx_type i = static_cast<octave_idx_type> (x);
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	238
9007 7e31df9a0334 simplify double->int conversion in indexing Jaroslav Hajek <highegg@gmail.com> parents: 8972 diff changeset	239 if (static_cast<double> (i) != x)
7e31df9a0334 simplify double->int conversion in indexing Jaroslav Hajek <highegg@gmail.com> parents: 8972 diff changeset	240 conv_error = true;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	241
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	242 return convert_index (i, conv_error, ext);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	243 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	244
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	245 inline octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	246 convert_index (float x, bool& conv_error, octave_idx_type& ext)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	247 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	248 return convert_index (static_cast<double> (x), conv_error, ext);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	249 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	250
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	251 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	252 inline octave_idx_type
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	253 convert_index (octave_int<T> x, bool& conv_error,
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	254 octave_idx_type& ext)
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	255 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	256 octave_idx_type i = octave_int<octave_idx_type> (x).value ();
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	257
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	258 return convert_index (i, conv_error, ext);
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	259 }
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	260
8680 a2bcd96b9344 use allocators for idx_vector_rep subclasses Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	261 DEFINE_OCTAVE_ALLOCATOR(idx_vector::idx_scalar_rep);
a2bcd96b9344 use allocators for idx_vector_rep subclasses Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	262
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	263 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	264 idx_vector::idx_scalar_rep::idx_scalar_rep (T x)
11503 b3f511c48b14 idx-vector.h, idx-vector.cc: data member initialization and constructor fixes John W. Eaton <jwe@octave.org> parents: 10702 diff changeset	265 : data (0)
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	266 {
10101 b51848e95e4b cleanups to avoid valgrind warnings John W. Eaton <jwe@octave.org> parents: 10042 diff changeset	267 octave_idx_type dummy = 0;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	268
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	269 data = convert_index (x, err, dummy);
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	270
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	271 if (err)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	272 gripe_invalid_index ();
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	273 }
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	274
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	275 idx_vector::idx_scalar_rep::idx_scalar_rep (octave_idx_type i)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	276 : data (i)
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	277 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	278 if (data < 0)
7572 85da2ab0c6fd logical indexing compatibility fixes John W. Eaton <jwe@octave.org> parents: 7425 diff changeset	279 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	280 gripe_invalid_index ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	281 err = true;
7572 85da2ab0c6fd logical indexing compatibility fixes John W. Eaton <jwe@octave.org> parents: 7425 diff changeset	282 }
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	283 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	284
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	285 octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	286 idx_vector::idx_scalar_rep::checkelem (octave_idx_type i) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	287 {
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	288 if (i != 0)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	289 gripe_index_out_of_range ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	290
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	291 return data;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	292 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	293
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	294 idx_vector::idx_base_rep *
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	295 idx_vector::idx_scalar_rep::sort_idx (Array<octave_idx_type>& idx)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	296 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	297 idx.clear (1, 1);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	298 idx.fill (0);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	299 count++;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	300 return this;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	301 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	302
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	303 std::ostream& idx_vector::idx_scalar_rep::print (std::ostream& os) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	304 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	305 return os << data;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	306 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	307
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	308 double
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	309 idx_vector::idx_scalar_rep::unconvert (void) const
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	310 {
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	311 return data + 1;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	312 }
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	313
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	314 Array<octave_idx_type>
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	315 idx_vector::idx_scalar_rep::as_array (void)
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	316 {
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	317 return Array<octave_idx_type> (dim_vector (1, 1), data);
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	318 }
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	319
8680 a2bcd96b9344 use allocators for idx_vector_rep subclasses Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	320 DEFINE_OCTAVE_ALLOCATOR(idx_vector::idx_vector_rep);
a2bcd96b9344 use allocators for idx_vector_rep subclasses Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	321
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	322 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	323 idx_vector::idx_vector_rep::idx_vector_rep (const Array<T>& nda)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	324 : data (0), len (nda.numel ()), ext (0), aowner (0), orig_dims (nda.dims ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	325 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	326 if (len != 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	327 {
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	328 octave_idx_type *d = new octave_idx_type [len];
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	329 for (octave_idx_type i = 0; i < len; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	330 d[i] = convert_index (nda.xelem (i), err, ext);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	331 data = d;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	332
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	333 if (err)
14083 8717cc808b20 Stop memory leak in idx_vector_rep when constructor fails. Rik <octave@nomad.inbox5.com> parents: 13735 diff changeset	334 {
8717cc808b20 Stop memory leak in idx_vector_rep when constructor fails. Rik <octave@nomad.inbox5.com> parents: 13735 diff changeset	335 delete [] data;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	336 gripe_invalid_index ();
14083 8717cc808b20 Stop memory leak in idx_vector_rep when constructor fails. Rik <octave@nomad.inbox5.com> parents: 13735 diff changeset	337 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	338 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	339 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	340
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	341 // Note that this makes a shallow copy of the index array.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	342
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	343 idx_vector::idx_vector_rep::idx_vector_rep (const Array<octave_idx_type>& inda)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	344 : data (inda.data ()), len (inda.numel ()), ext (0),
11503 b3f511c48b14 idx-vector.h, idx-vector.cc: data member initialization and constructor fixes John W. Eaton <jwe@octave.org> parents: 10702 diff changeset	345 aowner (new Array<octave_idx_type> (inda)), orig_dims (inda.dims ())
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	346 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	347 if (len != 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	348 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	349 octave_idx_type max = -1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	350 for (octave_idx_type i = 0; i < len; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	351 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	352 octave_idx_type k = inda.xelem (i);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	353 if (k < 0)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	354 err = true;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	355 else if (k > max)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	356 max = k;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	357 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	358
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	359 ext = max + 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	360
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	361 if (err)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	362 gripe_invalid_index ();
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	363 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	364 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	365
10285 22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	366 idx_vector::idx_vector_rep::idx_vector_rep (const Array<octave_idx_type>& inda,
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	367 octave_idx_type _ext, direct)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	368 : data (inda.data ()), len (inda.numel ()), ext (_ext),
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	369 aowner (new Array<octave_idx_type> (inda)), orig_dims (inda.dims ())
10285 22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	370 {
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	371 // No checking.
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	372 if (ext < 0)
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	373 {
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	374 octave_idx_type max = -1;
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	375 for (octave_idx_type i = 0; i < len; i++)
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	376 if (data[i] > max)
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	377 max = data[i];
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	378
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	379 ext = max + 1;
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	380 }
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	381 }
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10277 diff changeset	382
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	383 idx_vector::idx_vector_rep::idx_vector_rep (bool b)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	384 : data (0), len (b ? 1 : 0), ext (0), aowner (0), orig_dims (len, len)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	385 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	386 if (len != 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	387 {
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	388 octave_idx_type *d = new octave_idx_type [1];
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	389 d[0] = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	390 data = d;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	391 ext = 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	392 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	393 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	394
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	395 idx_vector::idx_vector_rep::idx_vector_rep (const Array<bool>& bnda,
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	396 octave_idx_type nnz)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	397 : data (0), len (nnz), ext (0), aowner (0), orig_dims ()
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	398 {
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	399 if (nnz < 0)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	400 len = bnda.nnz ();
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	401
9045 ac0a23e9f5c5 more compatible indexing by logical empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9007 diff changeset	402 const dim_vector dv = bnda.dims ();
7774 ce52af0e4a10 all false logical indexing fix David Bateman <dbateman@free.fr> parents: 7727 diff changeset	403
9045 ac0a23e9f5c5 more compatible indexing by logical empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9007 diff changeset	404 if (! dv.all_zero ())
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	405 orig_dims = ((dv.length () == 2 && dv(0) == 1)
9045 ac0a23e9f5c5 more compatible indexing by logical empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9007 diff changeset	406 ? dim_vector (1, len) : dim_vector (len, 1));
7774 ce52af0e4a10 all false logical indexing fix David Bateman <dbateman@free.fr> parents: 7727 diff changeset	407
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	408 if (len != 0)
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	409 {
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	410 octave_idx_type *d = new octave_idx_type [len];
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	411
7572 85da2ab0c6fd logical indexing compatibility fixes John W. Eaton <jwe@octave.org> parents: 7425 diff changeset	412 octave_idx_type ntot = bnda.length ();
85da2ab0c6fd logical indexing compatibility fixes John W. Eaton <jwe@octave.org> parents: 7425 diff changeset	413
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	414 octave_idx_type k = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	415 for (octave_idx_type i = 0; i < ntot; i++)
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	416 if (bnda.xelem (i))
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	417 d[k++] = i;
7572 85da2ab0c6fd logical indexing compatibility fixes John W. Eaton <jwe@octave.org> parents: 7425 diff changeset	418
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	419 data = d;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	420
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	421 ext = d[k-1] + 1;
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	422 }
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	423 }
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	424
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	425 idx_vector::idx_vector_rep::idx_vector_rep (const Sparse<bool>& bnda)
16779 8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376) David Bateman <dbateman@free.fr> parents: 15271 diff changeset	426 : data (0), len (bnda.nnz ()), ext (0), aowner (0), orig_dims ()
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	427 {
16779 8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376) David Bateman <dbateman@free.fr> parents: 15271 diff changeset	428 const dim_vector dv = bnda.dims ();
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	429
16779 8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376) David Bateman <dbateman@free.fr> parents: 15271 diff changeset	430 if (! dv.all_zero ())
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376) David Bateman <dbateman@free.fr> parents: 15271 diff changeset	431 orig_dims = ((dv.length () == 2 && dv(0) == 1)
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376) David Bateman <dbateman@free.fr> parents: 15271 diff changeset	432 ? dim_vector (1, len) : dim_vector (len, 1));
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	433
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	434 if (len != 0)
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	435 {
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	436 octave_idx_type *d = new octave_idx_type [len];
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	437
16779 8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376) David Bateman <dbateman@free.fr> parents: 15271 diff changeset	438 octave_idx_type k = 0;
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376) David Bateman <dbateman@free.fr> parents: 15271 diff changeset	439 octave_idx_type nc = bnda.cols ();
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376) David Bateman <dbateman@free.fr> parents: 15271 diff changeset	440 octave_idx_type nr = bnda.rows ();
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	441
16779 8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376) David Bateman <dbateman@free.fr> parents: 15271 diff changeset	442 for (octave_idx_type j = 0; j < nc; j++)
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376) David Bateman <dbateman@free.fr> parents: 15271 diff changeset	443 for (octave_idx_type i = bnda.cidx(j); i < bnda.cidx(j+1); i++)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	444 if (bnda.data (i))
16779 8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376) David Bateman <dbateman@free.fr> parents: 15271 diff changeset	445 d[k++] = j * nr + bnda.ridx (i);
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376) David Bateman <dbateman@free.fr> parents: 15271 diff changeset	446
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	447 data = d;
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	448
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	449 ext = d[k-1] + 1;
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	450 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	451 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	452
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	453 idx_vector::idx_vector_rep::~idx_vector_rep (void)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	454 {
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	455 if (aowner)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	456 delete aowner;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	457 else
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	458 delete [] data;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	459 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	460
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5108 diff changeset	461 octave_idx_type
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	462 idx_vector::idx_vector_rep::checkelem (octave_idx_type n) const
227 1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	463 {
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	464 if (n < 0 \|\| n >= len)
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	465 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	466 gripe_invalid_index ();
227 1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	467 return 0;
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	468 }
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	469
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	470 return xelem (n);
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	471 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	472
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	473 idx_vector::idx_base_rep *
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	474 idx_vector::idx_vector_rep::sort_uniq_clone (bool uniq)
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	475 {
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	476 if (len == 0)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	477 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	478 count++;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	479 return this;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	480 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	481
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	482 // This is wrapped in auto_ptr so that we don't leak on out-of-memory.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	483 std::auto_ptr<idx_vector_rep> new_rep (
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	484 new idx_vector_rep (0, len, ext, orig_dims, DIRECT));
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	485
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	486 if (ext > len*xlog2 (1.0 + len))
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	487 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	488 // Use standard sort via octave_sort.
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	489 octave_idx_type *new_data = new octave_idx_type [len];
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	490 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	491
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	492 std::copy (data, data + len, new_data);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	493 octave_sort<octave_idx_type> lsort;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	494 lsort.set_compare (ASCENDING);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	495 lsort.sort (new_data, len);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	496
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	497 if (uniq)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	498 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	499 octave_idx_type new_len = std::unique (new_data, new_data + len) - new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	500 new_rep->len = new_len;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	501 if (new_rep->orig_dims.length () == 2 && new_rep->orig_dims(0) == 1)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	502 new_rep->orig_dims = dim_vector (1, new_len);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	503 else
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	504 new_rep->orig_dims = dim_vector (new_len, 1);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	505 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	506 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	507 else if (uniq)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	508 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	509 // Use two-pass bucket sort (only a mask array needed).
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	510 OCTAVE_LOCAL_BUFFER_INIT (bool, has, ext, false);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	511 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	512 has[data[i]] = true;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	513
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	514 octave_idx_type new_len = 0;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	515 for (octave_idx_type i = 0; i < ext; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	516 new_len += has[i];
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	517
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	518 new_rep->len = new_len;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	519 if (new_rep->orig_dims.length () == 2 && new_rep->orig_dims(0) == 1)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	520 new_rep->orig_dims = dim_vector (1, new_len);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	521 else
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	522 new_rep->orig_dims = dim_vector (new_len, 1);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	523
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	524 octave_idx_type *new_data = new octave_idx_type [new_len];
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	525 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	526
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	527 for (octave_idx_type i = 0, j = 0; i < ext; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	528 if (has[i])
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	529 new_data[j++] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	530 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	531 else
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	532 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	533 // Use two-pass bucket sort.
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	534 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, cnt, ext, 0);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	535 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	536 cnt[data[i]]++;
2966 458cea5c8356 [project @ 1997-05-12 20:17:35 by jwe] jwe parents: 2847 diff changeset	537
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	538 octave_idx_type *new_data = new octave_idx_type [len];
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	539 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	540
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	541 for (octave_idx_type i = 0, j = 0; i < ext; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	542 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	543 for (octave_idx_type k = 0; k < cnt[i]; k++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	544 new_data[j++] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	545 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	546 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	547
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	548 return new_rep.release ();
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	549 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	550
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	551 idx_vector::idx_base_rep *
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	552 idx_vector::idx_vector_rep::sort_idx (Array<octave_idx_type>& idx)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	553 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	554 // This is wrapped in auto_ptr so that we don't leak on out-of-memory.
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	555 std::auto_ptr<idx_vector_rep> new_rep (
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	556 new idx_vector_rep (0, len, ext, orig_dims, DIRECT));
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	557
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	558 if (ext > len*xlog2 (1.0 + len))
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	559 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	560 // Use standard sort via octave_sort.
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	561 idx.clear (orig_dims);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	562 octave_idx_type *idx_data = idx.fortran_vec ();
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	563 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	564 idx_data[i] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	565
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	566 octave_idx_type *new_data = new octave_idx_type [len];
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	567 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	568 std::copy (data, data + len, new_data);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	569
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	570 octave_sort<octave_idx_type> lsort;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	571 lsort.set_compare (ASCENDING);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	572 lsort.sort (new_data, idx_data, len);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	573 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	574 else
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	575 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	576 // Use two-pass bucket sort.
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	577 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, cnt, ext, 0);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	578
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	579 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	580 cnt[data[i]]++;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	581
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	582 idx.clear (orig_dims);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	583 octave_idx_type *idx_data = idx.fortran_vec ();
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	584
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	585 octave_idx_type *new_data = new octave_idx_type [len];
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	586 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	587
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	588 for (octave_idx_type i = 0, k = 0; i < ext; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	589 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	590 octave_idx_type j = cnt[i];
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	591 cnt[i] = k;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	592 k += j;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	593 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	594
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	595 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	596 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	597 octave_idx_type j = data[i], k = cnt[j]++;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	598 new_data[k] = j;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	599 idx_data[k] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	600 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	601 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	602
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	603 return new_rep.release ();
209 5869adaa6aea [project @ 1993-11-12 10:44:40 by jwe] jwe parents: 191 diff changeset	604 }
5869adaa6aea [project @ 1993-11-12 10:44:40 by jwe] jwe parents: 191 diff changeset	605
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	606 std::ostream&
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	607 idx_vector::idx_vector_rep::print (std::ostream& os) const
3079 eb827eb9b8ff [project @ 1997-08-03 20:44:07 by jwe] jwe parents: 2966 diff changeset	608 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	609 os << '[';
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	610
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	611 for (octave_idx_type ii = 0; ii < len - 1; ii++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	612 os << data[ii] << ',' << ' ';
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	613
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	614 if (len > 0)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	615 os << data[len-1]; os << ']';
7425 fe4a43e1d1d3 [project @ 2008-01-28 09:13:01 by jwe] jwe parents: 7422 diff changeset	616
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	617 return os;
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	618 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	619
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	620 Array<double>
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	621 idx_vector::idx_vector_rep::unconvert (void) const
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	622 {
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	623 Array<double> retval (orig_dims);
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	624 for (octave_idx_type i = 0; i < len; i++)
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	625 retval.xelem (i) = data[i] + 1;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	626 return retval;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	627 }
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	628
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	629 Array<octave_idx_type>
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	630 idx_vector::idx_vector_rep::as_array (void)
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	631 {
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	632 if (aowner)
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	633 return *aowner;
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	634 else
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	635 {
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	636 Array<octave_idx_type> retval (orig_dims);
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	637 std::memcpy (retval.fortran_vec (), data, len*sizeof (octave_idx_type));
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	638 // Delete the old copy and share the data instead to save memory.
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	639 delete [] data;
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	640 data = retval.fortran_vec ();
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	641 aowner = new Array<octave_idx_type> (retval);
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	642 return retval;
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	643 }
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	644 }
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	645
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	646 DEFINE_OCTAVE_ALLOCATOR(idx_vector::idx_mask_rep);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	647
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	648 idx_vector::idx_mask_rep::idx_mask_rep (bool b)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	649 : data (0), len (b ? 1 : 0), ext (0), lsti (-1), lste (-1),
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	650 aowner (0), orig_dims (len, len)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	651 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	652 if (len != 0)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	653 {
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	654 bool *d = new bool [1];
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	655 d[0] = true;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	656 data = d;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	657 ext = 1;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	658 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	659 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	660
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	661 idx_vector::idx_mask_rep::idx_mask_rep (const Array<bool>& bnda,
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	662 octave_idx_type nnz)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	663 : data (0), len (nnz), ext (bnda.numel ()), lsti (-1), lste (-1),
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	664 aowner (0), orig_dims ()
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	665 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	666 if (nnz < 0)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	667 len = bnda.nnz ();
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	668
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	669 // We truncate the extent as much as possible. For Matlab
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	670 // compatibility, but maybe it's not a bad idea anyway.
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	671 while (ext > 0 && ! bnda(ext-1))
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	672 ext--;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	673
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	674 const dim_vector dv = bnda.dims ();
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	675
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	676 if (! dv.all_zero ())
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	677 orig_dims = ((dv.length () == 2 && dv(0) == 1)
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	678 ? dim_vector (1, len) : dim_vector (len, 1));
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	679
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	680 aowner = new Array<bool> (bnda);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	681 data = bnda.data ();
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	682 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	683
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	684 idx_vector::idx_mask_rep::~idx_mask_rep (void)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	685 {
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	686 if (aowner)
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	687 delete aowner;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	688 else
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	689 delete [] data;
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	690 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	691
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	692 octave_idx_type
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	693 idx_vector::idx_mask_rep::xelem (octave_idx_type n) const
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	694 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	695 if (n == lsti + 1)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	696 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	697 lsti = n;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	698 while (! data[++lste]) ;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	699 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	700 else
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	701 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	702 lsti = n++;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	703 lste = -1;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	704 while (n > 0)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	705 if (data[++lste]) --n;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	706 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	707 return lste;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	708 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	709
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	710 octave_idx_type
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	711 idx_vector::idx_mask_rep::checkelem (octave_idx_type n) const
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	712 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	713 if (n < 0 \|\| n >= len)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	714 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	715 gripe_invalid_index ();
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	716 return 0;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	717 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	718
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	719 return xelem (n);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	720 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	721
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	722 std::ostream&
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	723 idx_vector::idx_mask_rep::print (std::ostream& os) const
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	724 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	725 os << '[';
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	726
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	727 for (octave_idx_type ii = 0; ii < ext - 1; ii++)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	728 os << data[ii] << ',' << ' ';
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	729
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	730 if (ext > 0)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	731 os << data[ext-1]; os << ']';
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	732
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	733 return os;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	734 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	735
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	736 Array<bool>
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	737 idx_vector::idx_mask_rep::unconvert (void) const
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	738 {
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	739 if (aowner)
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	740 return *aowner;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	741 else
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	742 {
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	743 Array<bool> retval (dim_vector (ext, 1));
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	744 for (octave_idx_type i = 0; i < ext; i++)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	745 retval.xelem (i) = data[i];
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	746 return retval;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	747 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	748 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	749
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	750 Array<octave_idx_type>
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	751 idx_vector::idx_mask_rep::as_array (void)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	752 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	753 if (aowner)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	754 return aowner->find ().reshape (orig_dims);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	755 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	756 {
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	757 Array<bool> retval (orig_dims);
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	758 for (octave_idx_type i = 0, j = 0; i < ext; i++)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	759 if (data[i])
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	760 retval.xelem (j++) = i;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	761
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	762 return retval;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	763 }
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	764 }
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	765
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	766 idx_vector::idx_base_rep *
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	767 idx_vector::idx_mask_rep::sort_idx (Array<octave_idx_type>& idx)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	768 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	769 idx.clear (len, 1);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	770 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	771 idx.xelem (i) = i;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	772
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	773 count++;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	774 return this;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	775 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	776
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	777 const idx_vector idx_vector::colon (new idx_vector::idx_colon_rep ());
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	778
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	779 idx_vector::idx_vector (const Array<bool>& bnda)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	780 : rep (0)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	781 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	782 // Convert only if it means saving at least half the memory.
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	783 static const int factor = (2 * sizeof (octave_idx_type));
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	784 octave_idx_type nnz = bnda.nnz ();
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	785 if (nnz <= bnda.numel () / factor)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	786 rep = new idx_vector_rep (bnda, nnz);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	787 else
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	788 rep = new idx_mask_rep (bnda, nnz);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	789 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	790
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	791 bool
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	792 idx_vector::maybe_reduce (octave_idx_type n, const idx_vector& j,
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	793 octave_idx_type nj)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	794 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	795 bool reduced = false;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	796
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	797 // Empty index always reduces.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	798 if (rep->length (n) == 0)
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	799 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	800 *this = idx_vector ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	801 return true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	802 }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	803
8972 5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	804 // Possibly skip singleton dims.
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	805 if (n == 1 && rep->is_colon_equiv (n))
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	806 {
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	807 *this = j;
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	808 return true;
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	809 }
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	810
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	811 if (nj == 1 && j.is_colon_equiv (nj))
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	812 return true;
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	813
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	814 switch (j.idx_class ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	815 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	816 case class_colon:
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	817 switch (rep->idx_class ())
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	818 {
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	819 case class_colon:
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	820 // (:,:) reduces to (:)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	821 reduced = true;
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	822 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	823
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	824 case class_scalar:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	825 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	826 // (i,:) reduces to a range.
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	827 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	828 octave_idx_type k = r->get_data ();
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	829 *this = new idx_range_rep (k, nj, n, DIRECT);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	830 reduced = true;
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	831 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	832 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	833
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	834 case class_range:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	835 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	836 // (i:k:end,:) reduces to a range if i <= k and k divides n.
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	837 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	838 octave_idx_type s = r->get_start (), l = r->length (n);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	839 octave_idx_type t = r->get_step ();
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	840 if (l*t == n)
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	841 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	842 this = new idx_range_rep (s, l nj, t, DIRECT);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	843 reduced = true;
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	844 }
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	845 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	846 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	847
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	848 default:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	849 break;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	850 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	851 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	852
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	853 case class_range:
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	854 switch (rep->idx_class ())
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	855 {
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	856 case class_colon:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	857 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	858 // (:,i:j) reduces to a range (the step must be 1)
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	859 idx_range_rep * rj = dynamic_cast<idx_range_rep *> (j.rep);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	860 if (rj->get_step () == 1)
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	861 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	862 octave_idx_type sj = rj->get_start (), lj = rj->length (nj);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	863 this = new idx_range_rep (sj n, lj * n, 1, DIRECT);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	864 reduced = true;
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	865 }
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	866 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	867 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	868
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	869 case class_scalar:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	870 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	871 // (k,i:d:j) reduces to a range.
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	872 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	873 idx_range_rep * rj = dynamic_cast<idx_range_rep *> (j.rep);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	874 octave_idx_type k = r->get_data ();
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	875 octave_idx_type sj = rj->get_start (), lj = rj->length (nj);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	876 octave_idx_type tj = rj->get_step ();
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	877 this = new idx_range_rep (n sj + k, lj, n * tj, DIRECT);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	878 reduced = true;
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	879 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	880 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	881
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	882 case class_range:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	883 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	884 // (i:k:end,p:q) reduces to a range if i <= k and k divides n.
10042 b7915ebe8acf implement index reduction rule for multiple constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9894 diff changeset	885 // (ones (1, m), ones (1, n)) reduces to (ones (1, m*n))
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	886 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	887 octave_idx_type s = r->get_start (), l = r->length (n);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	888 octave_idx_type t = r->get_step ();
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	889 idx_range_rep * rj = dynamic_cast<idx_range_rep *> (j.rep);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	890 octave_idx_type sj = rj->get_start (), lj = rj->length (nj);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	891 octave_idx_type tj = rj->get_step ();
10042 b7915ebe8acf implement index reduction rule for multiple constant ranges Jaroslav Hajek <highegg@gmail.com> parents: 9894 diff changeset	892 if ((l*t == n && tj == 1) \|\| (t == 0 && tj == 0))
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	893 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	894 this = new idx_range_rep (s + n sj, l * lj, t, DIRECT);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	895 reduced = true;
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	896 }
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	897 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	898 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	899
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	900 default:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	901 break;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	902 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	903 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	904
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	905 case class_scalar:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	906 switch (rep->idx_class ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	907 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	908 case class_scalar:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	909 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	910 // (i,j) reduces to a single index.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	911 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	912 idx_scalar_rep * rj = dynamic_cast<idx_scalar_rep *> (j.rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	913 octave_idx_type k = r->get_data () + n * rj->get_data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	914 *this = new idx_scalar_rep (k, DIRECT);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	915 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	916 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	917 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	918
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	919 case class_range:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	920 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	921 // (i:d:j,k) reduces to a range.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	922 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	923 idx_scalar_rep * rj = dynamic_cast<idx_scalar_rep *> (j.rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	924 octave_idx_type s = r->get_start (), l = r->length (nj);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	925 octave_idx_type t = r->get_step ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	926 octave_idx_type k = rj->get_data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	927 this = new idx_range_rep (n k + s, l, t, DIRECT);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	928 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	929 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	930 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	931
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	932 case class_colon:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	933 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	934 // (:,k) reduces to a range.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	935 idx_scalar_rep * rj = dynamic_cast<idx_scalar_rep *> (j.rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	936 octave_idx_type k = rj->get_data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	937 this = new idx_range_rep (n k, n, 1, DIRECT);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	938 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	939 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	940 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	941
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	942 default:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	943 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	944 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	945 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	946
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	947 default:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	948 break;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	949 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	950
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	951 return reduced;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	952 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	953
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	954 bool
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	955 idx_vector::is_cont_range (octave_idx_type n,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10285 diff changeset	956 octave_idx_type& l, octave_idx_type& u) const
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	957 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	958 bool res = false;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	959
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	960 switch (rep->idx_class ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	961 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	962 case class_colon:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	963 l = 0; u = n;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	964 res = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	965 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	966
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	967 case class_range:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	968 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	969 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	970 if (r->get_step () == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	971 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	972 l = r->get_start ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	973 u = l + r->length (n);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	974 res = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	975 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	976 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	977 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	978
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	979 case class_scalar:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	980 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	981 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	982 l = r->get_data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	983 u = l + 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	984 res = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	985 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	986 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	987
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	988 case class_mask:
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	989 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	990 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	991 octave_idx_type ext = r->extent (0), len = r->length (0);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	992 if (ext == len)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	993 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	994 l = 0;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	995 u = len;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	996 res = true;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	997 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	998 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	999
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1000 default:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1001 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1002 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1003
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1004 return res;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1005 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1006
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1007 octave_idx_type
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1008 idx_vector::increment (void) const
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1009 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1010 octave_idx_type retval = 0;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1011
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1012 switch (rep->idx_class ())
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1013 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1014 case class_colon:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1015 retval = 1;
10702 c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1016 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1017
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1018 case class_range:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1019 retval = dynamic_cast<idx_range_rep *> (rep) -> get_step ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1020 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1021
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1022 case class_vector:
10702 c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1023 case class_mask:
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1024 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1025 if (length (0) > 1)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1026 retval = elem (1) - elem (0);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1027 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1028 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1029
9757 95ad9c2a27e2 fix idx_vector construction checks Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	1030 default:
95ad9c2a27e2 fix idx_vector construction checks Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	1031 break;
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1032 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1033
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1034 return retval;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1035 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1036
10475 739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1037 const octave_idx_type *
739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1038 idx_vector::raw (void)
739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1039 {
739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1040 if (rep->idx_class () != class_vector)
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10475 diff changeset	1041 *this = idx_vector (as_array (), extent (0));
10475 739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1042
739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1043 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1044
10475 739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1045 assert (r != 0);
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1046
10475 739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1047 return r->get_data ();
739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1048 }
739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1049
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1050 void
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1051 idx_vector::copy_data (octave_idx_type *data) const
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1052 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1053 octave_idx_type len = rep->length (0);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1054
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1055 switch (rep->idx_class ())
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1056 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1057 case class_colon:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1058 current_liboctave_error_handler ("colon not allowed");
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1059 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1060
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1061 case class_range:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1062 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1063 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1064 octave_idx_type start = r->get_start (), step = r->get_step ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1065 octave_idx_type i, j;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1066 if (step == 1)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1067 for (i = start, j = start + len; i < j; i++) *data++ = i;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1068 else if (step == -1)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1069 for (i = start, j = start - len; i > j; i--) *data++ = i;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1070 else
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1071 for (i = 0, j = start; i < len; i++, j += step) *data++ = j;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1072 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1073 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1074
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1075 case class_scalar:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1076 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1077 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1078 *data = r->get_data ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1079 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1080 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1081
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1082 case class_vector:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1083 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1084 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1085 const octave_idx_type *rdata = r->get_data ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1086 copy_or_memcpy (len, rdata, data);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1087 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1088 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1089
10702 c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1090 case class_mask:
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1091 {
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1092 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1093 const bool *mask = r->get_data ();
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1094 octave_idx_type ext = r->extent (0);
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1095 for (octave_idx_type i = 0, j = 0; i < ext; i++)
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1096 if (mask[i])
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1097 data[j++] = i;
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1098 }
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1099 break;
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1100
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1101 default:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1102 assert (false);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1103 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1104 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1105 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1106
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1107 idx_vector
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1108 idx_vector::complement (octave_idx_type n) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1109 {
10491 077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1110 idx_vector retval;
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1111 if (extent (n) > n)
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1112 (*current_liboctave_error_handler)
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1113 ("internal error: out of range complement index requested");
3680 b8b0f5ff28e2 [project @ 2000-06-08 20:06:17 by jwe] jwe parents: 3504 diff changeset	1114
10491 077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1115 if (idx_class () == class_mask)
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1116 {
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1117 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1118 octave_idx_type nz = r->length (0), ext = r->extent (0);
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1119 Array<bool> mask (dim_vector (n, 1));
10491 077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1120 const bool *data = r->get_data ();
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1121 bool *ndata = mask.fortran_vec ();
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1122 for (octave_idx_type i = 0; i < ext; i++)
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1123 ndata[i] = ! data[i];
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1124 for (octave_idx_type i = ext; i < n; i++)
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1125 ndata[i] = true;
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1126 retval = new idx_mask_rep (mask, n - nz);
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1127 }
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1128 else
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1129 {
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1130 Array<bool> mask (dim_vector (n, 1), true);
10491 077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1131 fill (false, length (n), mask.fortran_vec ());
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1132 retval = idx_vector (mask);
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1133 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1134
10491 077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1135 return retval;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1136 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1137
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1138 bool
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1139 idx_vector::is_permutation (octave_idx_type n) const
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1140 {
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1141 bool retval = false;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1142
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1143 if (is_colon_equiv (n))
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1144 retval = true;
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14138 diff changeset	1145 else if (length(n) == n && extent(n) == n)
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1146 {
8379 ad8ed668e0a4 allow initialized local buffers Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	1147 OCTAVE_LOCAL_BUFFER_INIT (bool, left, n, true);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1148
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1149 retval = true;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1150
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1151 for (octave_idx_type i = 0, len = length (); i < len; i++)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	1152 {
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1153 octave_idx_type k = xelem (i);
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1154 if (left[k])
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1155 left[k] = false;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1156 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1157 {
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1158 retval = false;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1159 break;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1160 }
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1161 }
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1162 }
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1163
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1164 return retval;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1165 }
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1166
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1167 idx_vector
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1168 idx_vector::inverse_permutation (octave_idx_type n) const
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1169 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1170 assert (n == length (n));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1171
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1172 idx_vector retval;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1173
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1174 switch (idx_class ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1175 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1176 case class_range:
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1177 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1178 if (increment () == -1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1179 retval = sorted ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1180 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1181 retval = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1182 break;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1183 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1184 case class_vector:
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1185 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1186 idx_vector_rep r = dynamic_cast<idx_vector_rep > (rep);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1187 const octave_idx_type *ri = r->get_data ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1188 Array<octave_idx_type> idx (orig_dimensions ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1189 for (octave_idx_type i = 0; i < n; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14138 diff changeset	1190 idx.xelem (ri[i]) = i;
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1191 retval = new idx_vector_rep (idx, r->extent (0), DIRECT);
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1192 break;
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1193 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1194 default:
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1195 retval = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1196 break;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1197 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1198
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1199 return retval;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1200 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1201
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1202 idx_vector
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1203 idx_vector::unmask (void) const
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1204 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1205 if (idx_class () == class_mask)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1206 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1207 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1208 const bool *data = r->get_data ();
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1209 octave_idx_type ext = r->extent (0), len = r->length (0);
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	1210 octave_idx_type *idata = new octave_idx_type [len];
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1211
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1212 for (octave_idx_type i = 0, j = 0; i < ext; i++)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	1213 if (data[i])
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1214 idata[j++] = i;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1215
10620 6fb954475e21 fix off-by-1 error in idx_vector (bug #29851) Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	1216 ext = len > 0 ? idata[len - 1] + 1 : 0;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1217
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1218 return new idx_vector_rep (idata, len, ext, r->orig_dimensions (),
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1219 DIRECT);
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1220 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1221 else
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1222 return *this;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1223 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1224
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1225 void idx_vector::unconvert (idx_class_type& iclass,
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	1226 double& scalar, Range& range,
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	1227 Array<double>& array, Array<bool>& mask) const
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1228 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1229 iclass = idx_class ();
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1230 switch (iclass)
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1231 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1232 case class_colon:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1233 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1234
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1235 case class_range:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1236 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1237 idx_range_rep r = dynamic_cast<idx_range_rep > (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1238 range = r->unconvert ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1239 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1240 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1241
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1242 case class_scalar:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1243 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1244 idx_scalar_rep r = dynamic_cast<idx_scalar_rep > (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1245 scalar = r->unconvert ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1246 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1247 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1248
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1249 case class_vector:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1250 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1251 idx_vector_rep r = dynamic_cast<idx_vector_rep > (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1252 array = r->unconvert ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1253 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1254 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1255
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1256 case class_mask:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1257 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1258 idx_mask_rep r = dynamic_cast<idx_mask_rep > (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1259 mask = r->unconvert ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1260 }
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1261 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1262
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1263 default:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1264 assert (false);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1265 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1266 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1267 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1268
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	1269 Array<octave_idx_type>
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1270 idx_vector::as_array (void) const
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1271 {
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1272 return rep->as_array ();
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1273 }
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1274
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1275 bool
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1276 idx_vector::is_vector (void) const
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1277 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1278 return idx_class () != class_vector \|\| orig_dimensions ().is_vector ();
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1279 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	1280
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	1281 octave_idx_type
8677 095ae5e0a831 eliminte some compiler warnings John W. Eaton <jwe@octave.org> parents: 8384 diff changeset	1282 idx_vector::freeze (octave_idx_type z_len, const char *, bool resize_ok)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1283 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1284 if (! resize_ok && extent (z_len) > z_len)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1285 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1286 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1287 ("invalid matrix index = %d", extent (z_len));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1288 rep->err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1289 chkerr ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1290 }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	1291
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1292 return length (z_len);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1293 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1294
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	1295 octave_idx_type
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1296 idx_vector::ones_count () const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1297 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1298 octave_idx_type n = 0;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1299
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1300 if (is_colon ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1301 n = 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1302 else
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1303 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1304 for (octave_idx_type i = 0; i < length (1); i++)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1305 if (xelem (i) == 0)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1306 n++;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1307 }
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1308
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1309 return n;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1310 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1311
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1312 // Instantiate the octave_int constructors we want.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1313 #define INSTANTIATE_SCALAR_VECTOR_REP_CONST(T) \
8319 c374691576f6 Fix for MSVC compilation Michael Goffioul <michael.goffioul@gmail.com> parents: 8301 diff changeset	1314 template OCTAVE_API idx_vector::idx_scalar_rep::idx_scalar_rep (T); \
c374691576f6 Fix for MSVC compilation Michael Goffioul <michael.goffioul@gmail.com> parents: 8301 diff changeset	1315 template OCTAVE_API idx_vector::idx_vector_rep::idx_vector_rep (const Array<T>&);
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1316
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1317 INSTANTIATE_SCALAR_VECTOR_REP_CONST (float)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1318 INSTANTIATE_SCALAR_VECTOR_REP_CONST (double)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1319 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int8)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1320 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int16)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1321 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int32)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1322 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int64)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1323 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint8)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1324 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint16)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1325 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint32)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1326 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint64)
10620 6fb954475e21 fix off-by-1 error in idx_vector (bug #29851) Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	1327
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851) Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	1328 /*
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851) Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	1329
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14138 diff changeset	1330 %!error id=Octave:index-out-of-bounds 1(find ([1,1] != 0))
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14138 diff changeset	1331 %!assert ((1:3)(find ([1,0,1] != 0)), [1,3])
10620 6fb954475e21 fix off-by-1 error in idx_vector (bug #29851) Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	1332
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851) Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	1333 */

Mercurial > hg > octave-lyh

annotate liboctave/array/idx-vector.cc @ 17489:0ad2f93fd83c