octave-nkf: liboctave/idx-vector.cc annotate

annotate liboctave/idx-vector.cc @ 14138:72c96de7a403 stable

maint: update copyright notices for 2012

author	John W. Eaton <jwe@octave.org>
date	Mon, 02 Jan 2012 14:25:41 -0500
parents	8717cc808b20
children	3d8ace26c5b4

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)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10158 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 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	328 octave_idx_type *d = new octave_idx_type[len];
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 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	388 octave_idx_type *d = new octave_idx_type [1];
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 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 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)
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	426 : data (0), len (0), ext (0), aowner (0), orig_dims ()
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	427 {
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	428 for (octave_idx_type i = 0, l = bnda.nnz (); i < l; i++)
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	429 if (bnda.data (i)) len++;
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	430
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	431 dim_vector dv = bnda.dims ();
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	432
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	433 orig_dims = ((dv.length () == 2 && dv(0) == 1)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10285 diff changeset	434 ? dim_vector (1, len) : orig_dims = dim_vector (len, 1));
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	435
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	436 if (len != 0)
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	437 {
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	438 octave_idx_type *d = new octave_idx_type [len];
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	439
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	440 octave_idx_type nnz = bnda.nnz ();
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	441
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	442 octave_idx_type k = 0;
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	443 // FIXME: I hope this is OK, i.e. the element iterated this way are correctly ordered.
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	444 for (octave_idx_type i = 0; i < nnz; i++)
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	445 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	446 if (bnda.data (i))
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	447 d[k++] = bnda.cidx (i) + bnda.rows () * bnda.ridx (i);
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
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	450 data = d;
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	451
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	452 ext = d[k-1] + 1;
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	453 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	454 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	455
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	456 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	457 {
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	458 if (aowner)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	459 delete aowner;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	460 else
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	461 delete [] data;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	462 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	463
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5108 diff changeset	464 octave_idx_type
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	465 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	466 {
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	467 if (n < 0 \|\| n >= len)
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	468 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	469 gripe_invalid_index ();
227 1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	470 return 0;
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	471 }
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	472
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	473 return xelem (n);
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	474 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	475
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	476 idx_vector::idx_base_rep *
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	477 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	478 {
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	479 if (len == 0)
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 count++;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	482 return this;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	483 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	484
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	485 // 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	486 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	487 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	488
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	489 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	490 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	491 // 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	492 octave_idx_type *new_data = new octave_idx_type[len];
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	493 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	494
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	495 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	496 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	497 lsort.set_compare (ASCENDING);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	498 lsort.sort (new_data, len);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	499
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	500 if (uniq)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	501 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	502 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	503 new_rep->len = new_len;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	504 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	505 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	506 else
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	507 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	508 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	509 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	510 else if (uniq)
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	511 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	512 // 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	513 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	514 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	515 has[data[i]] = true;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	516
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	517 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	518 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	519 new_len += has[i];
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	520
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	521 new_rep->len = new_len;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	522 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	523 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	524 else
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	525 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	526
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	527 octave_idx_type *new_data = new octave_idx_type[new_len];
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	528 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	529
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	530 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	531 if (has[i])
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	532 new_data[j++] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	533 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	534 else
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	535 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	536 // Use two-pass bucket sort.
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	537 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	538 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	539 cnt[data[i]]++;
2966 458cea5c8356 [project @ 1997-05-12 20:17:35 by jwe] jwe parents: 2847 diff changeset	540
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	541 octave_idx_type *new_data = new octave_idx_type[len];
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	542 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	543
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	544 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	545 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	546 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	547 new_data[j++] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	548 }
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 return new_rep.release ();
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	552 }
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 idx_vector::idx_base_rep *
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	555 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	556 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	557 // 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	558 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	559 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	560
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	561 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	562 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	563 // 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	564 idx.clear (orig_dims);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	565 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	566 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	567 idx_data[i] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	568
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	569 octave_idx_type *new_data = new octave_idx_type [len];
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	570 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	571 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	572
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	573 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	574 lsort.set_compare (ASCENDING);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	575 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	576 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	577 else
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 // Use two-pass bucket sort.
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	580 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	581
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	582 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	583 cnt[data[i]]++;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	584
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	585 idx.clear (orig_dims);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	586 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	587
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	588 octave_idx_type *new_data = new octave_idx_type [len];
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	589 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	590
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	591 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	592 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	593 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	594 cnt[i] = k;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	595 k += j;
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
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	598 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	599 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	600 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	601 new_data[k] = j;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	602 idx_data[k] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	603 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	604 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	605
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	606 return new_rep.release ();
209 5869adaa6aea [project @ 1993-11-12 10:44:40 by jwe] jwe parents: 191 diff changeset	607 }
5869adaa6aea [project @ 1993-11-12 10:44:40 by jwe] jwe parents: 191 diff changeset	608
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	609 std::ostream&
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	610 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	611 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	612 os << '[';
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	613
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	614 for (octave_idx_type ii = 0; ii < len - 1; ii++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	615 os << data[ii] << ',' << ' ';
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	616
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	617 if (len > 0)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	618 os << data[len-1]; os << ']';
7425 fe4a43e1d1d3 [project @ 2008-01-28 09:13:01 by jwe] jwe parents: 7422 diff changeset	619
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	620 return os;
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	621 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	622
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	623 Array<double>
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	624 idx_vector::idx_vector_rep::unconvert (void) const
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	625 {
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	626 Array<double> retval (orig_dims);
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	627 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	628 retval.xelem (i) = data[i] + 1;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	629 return retval;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	630 }
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	631
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	632 Array<octave_idx_type>
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	633 idx_vector::idx_vector_rep::as_array (void)
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	634 {
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	635 if (aowner)
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	636 return *aowner;
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	637 else
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	638 {
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	639 Array<octave_idx_type> retval (orig_dims);
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	640 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	641 // 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	642 delete [] data;
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	643 data = retval.fortran_vec ();
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	644 aowner = new Array<octave_idx_type> (retval);
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	645 return retval;
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	646 }
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	647 }
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	648
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	649 DEFINE_OCTAVE_ALLOCATOR(idx_vector::idx_mask_rep);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	650
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	651 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	652 : 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	653 aowner (0), orig_dims (len, len)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	654 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	655 if (len != 0)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	656 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	657 bool *d = new bool [1];
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	658 d[0] = true;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	659 data = d;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	660 ext = 1;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	661 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	662 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	663
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	664 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	665 octave_idx_type nnz)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	666 : 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	667 aowner (0), orig_dims ()
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 if (nnz < 0)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	670 len = bnda.nnz ();
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	671
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	672 // 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	673 // 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	674 while (ext > 0 && ! bnda(ext-1))
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	675 ext--;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	676
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	677 const dim_vector dv = bnda.dims ();
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	678
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	679 if (! dv.all_zero ())
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	680 orig_dims = ((dv.length () == 2 && dv(0) == 1)
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	681 ? dim_vector (1, len) : dim_vector (len, 1));
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 aowner = new Array<bool> (bnda);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	684 data = bnda.data ();
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	685 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	686
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	687 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	688 {
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	689 if (aowner)
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	690 delete aowner;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	691 else
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	692 delete [] data;
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	693 }
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 octave_idx_type
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	696 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	697 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	698 if (n == lsti + 1)
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 lsti = n;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	701 while (! data[++lste]) ;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	702 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	703 else
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	704 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	705 lsti = n++;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	706 lste = -1;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	707 while (n > 0)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	708 if (data[++lste]) --n;
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 return lste;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	711 }
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 octave_idx_type
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	714 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	715 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	716 if (n < 0 \|\| n >= len)
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 gripe_invalid_index ();
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	719 return 0;
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
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	722 return xelem (n);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	723 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	724
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	725 std::ostream&
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	726 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	727 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	728 os << '[';
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	729
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	730 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	731 os << data[ii] << ',' << ' ';
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	732
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	733 if (ext > 0)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	734 os << data[ext-1]; os << ']';
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	735
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	736 return os;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	737 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	738
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	739 Array<bool>
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	740 idx_vector::idx_mask_rep::unconvert (void) const
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	741 {
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	742 if (aowner)
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	743 return *aowner;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	744 else
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	745 {
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	746 Array<bool> retval (dim_vector (ext, 1));
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	747 for (octave_idx_type i = 0; i < ext; i++)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	748 retval.xelem (i) = data[i];
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	749 return retval;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	750 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	751 }
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 Array<octave_idx_type>
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	754 idx_vector::idx_mask_rep::as_array (void)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	755 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	756 if (aowner)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	757 return aowner->find ().reshape (orig_dims);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	758 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	759 {
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	760 Array<bool> retval (orig_dims);
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	761 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	762 if (data[i])
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	763 retval.xelem (j++) = i;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10370 diff changeset	764
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	765 return retval;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	766 }
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	767 }
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	768
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	769 idx_vector::idx_base_rep *
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	770 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	771 {
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	772 idx.clear (len, 1);
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	773 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	774 idx.xelem (i) = i;
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 count++;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	777 return this;
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	778 }
3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10258 diff changeset	779
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	780 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	781
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	782 idx_vector::idx_vector (const Array<bool>& bnda)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	783 : rep (0)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	784 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	785 // 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	786 static const int factor = (2 * sizeof (octave_idx_type));
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	787 octave_idx_type nnz = bnda.nnz ();
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	788 if (nnz <= bnda.numel () / factor)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	789 rep = new idx_vector_rep (bnda, nnz);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	790 else
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	791 rep = new idx_mask_rep (bnda, nnz);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	792 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	793
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	794 bool
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	795 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	796 octave_idx_type nj)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	797 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	798 bool reduced = false;
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 // Empty index always reduces.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	801 if (rep->length (n) == 0)
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	802 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	803 *this = idx_vector ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	804 return true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	805 }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	806
8972 5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	807 // Possibly skip singleton dims.
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	808 if (n == 1 && rep->is_colon_equiv (n))
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 *this = j;
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	811 return true;
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	812 }
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	813
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	814 if (nj == 1 && j.is_colon_equiv (nj))
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	815 return true;
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	816
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	817 switch (j.idx_class ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	818 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	819 case class_colon:
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	820 switch (rep->idx_class ())
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	821 {
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	822 case class_colon:
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	823 // (:,:) reduces to (:)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	824 reduced = true;
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	825 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	826
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	827 case class_scalar:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	828 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	829 // (i,:) reduces to a range.
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	830 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	831 octave_idx_type k = r->get_data ();
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	832 *this = new idx_range_rep (k, nj, n, DIRECT);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	833 reduced = true;
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	834 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	835 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	836
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	837 case class_range:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	838 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	839 // (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	840 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	841 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	842 octave_idx_type t = r->get_step ();
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	843 if (l*t == n)
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 this = new idx_range_rep (s, l nj, t, DIRECT);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	846 reduced = true;
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	847 }
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	848 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	849 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	850
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	851 default:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	852 break;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	853 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	854 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	855
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	856 case class_range:
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	857 switch (rep->idx_class ())
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	858 {
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	859 case class_colon:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	860 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	861 // (:,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	862 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	863 if (rj->get_step () == 1)
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	864 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	865 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	866 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	867 reduced = true;
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	868 }
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	869 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	870 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	871
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	872 case class_scalar:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	873 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	874 // (k,i:d:j) reduces to a range.
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	875 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	876 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	877 octave_idx_type k = r->get_data ();
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	878 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	879 octave_idx_type tj = rj->get_step ();
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	880 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	881 reduced = true;
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	882 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	883 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	884
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	885 case class_range:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	886 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	887 // (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	888 // (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	889 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	890 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	891 octave_idx_type t = r->get_step ();
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	892 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	893 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	894 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	895 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	896 {
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	897 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	898 reduced = true;
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	899 }
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	900 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	901 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	902
9772 3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	903 default:
3ac8ea48279b improve index reduction rules Jaroslav Hajek <highegg@gmail.com> parents: 9757 diff changeset	904 break;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	905 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	906 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	907
8290 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 switch (rep->idx_class ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	910 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	911 case class_scalar:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	912 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	913 // (i,j) reduces to a single index.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	914 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	915 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	916 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	917 *this = new idx_scalar_rep (k, DIRECT);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	918 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	919 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	920 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	921
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	922 case class_range:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	923 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	924 // (i:d:j,k) reduces to a range.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	925 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	926 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	927 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	928 octave_idx_type t = r->get_step ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	929 octave_idx_type k = rj->get_data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	930 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	931 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	932 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	933 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	934
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	935 case class_colon:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	936 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	937 // (:,k) reduces to a range.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	938 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	939 octave_idx_type k = rj->get_data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	940 this = new idx_range_rep (n k, n, 1, DIRECT);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	941 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	942 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	943 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	944
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	945 default:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	946 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	947 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	948 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	949
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	950 default:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	951 break;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	952 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	953
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	954 return reduced;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	955 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	956
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	957 bool
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	958 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	959 octave_idx_type& l, octave_idx_type& u) const
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	960 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	961 bool res = false;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	962
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	963 switch (rep->idx_class ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	964 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	965 case class_colon:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	966 l = 0; u = n;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	967 res = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	968 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	969
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	970 case class_range:
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 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	973 if (r->get_step () == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	974 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	975 l = r->get_start ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	976 u = l + r->length (n);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	977 res = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	978 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	979 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	980 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	981
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	982 case class_scalar:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	983 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	984 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	985 l = r->get_data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	986 u = l + 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	987 res = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	988 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	989 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	990
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	991 case class_mask:
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	992 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	993 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	994 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	995 if (ext == len)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	996 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	997 l = 0;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	998 u = len;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	999 res = true;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1000 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1001 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1002
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1003 default:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1004 break;
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
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1007 return res;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1008 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1009
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1010 octave_idx_type
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1011 idx_vector::increment (void) const
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1012 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1013 octave_idx_type retval = 0;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1014
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1015 switch (rep->idx_class ())
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1016 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1017 case class_colon:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1018 retval = 1;
10702 c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1019 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1020
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1021 case class_range:
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1022 retval = dynamic_cast<idx_range_rep *> (rep) -> get_step ();
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1023 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1024
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1025 case class_vector:
10702 c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1026 case class_mask:
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1027 {
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1028 if (length (0) > 1)
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1029 retval = elem (1) - elem (0);
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1030 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1031 break;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1032
9757 95ad9c2a27e2 fix idx_vector construction checks Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	1033 default:
95ad9c2a27e2 fix idx_vector construction checks Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	1034 break;
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1035 }
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1036
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1037 return retval;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1038 }
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	1039
10475 739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1040 const octave_idx_type *
739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1041 idx_vector::raw (void)
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 if (rep->idx_class () != class_vector)
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10475 diff changeset	1044 *this = idx_vector (as_array (), extent (0));
10475 739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1045
739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1046 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1047
10475 739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1048 assert (r != 0);
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1049
10475 739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1050 return r->get_data ();
739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1051 }
739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1052
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1053 void
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1054 idx_vector::copy_data (octave_idx_type *data) const
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1055 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1056 octave_idx_type len = rep->length (0);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1057
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1058 switch (rep->idx_class ())
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1059 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1060 case class_colon:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1061 current_liboctave_error_handler ("colon not allowed");
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1062 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1063
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1064 case class_range:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1065 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1066 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1067 octave_idx_type start = r->get_start (), step = r->get_step ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1068 octave_idx_type i, j;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1069 if (step == 1)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1070 for (i = start, j = start + len; i < j; i++) *data++ = i;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1071 else if (step == -1)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1072 for (i = start, j = start - len; i > j; i--) *data++ = i;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1073 else
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1074 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	1075 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1076 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1077
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1078 case class_scalar:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1079 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1080 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1081 *data = r->get_data ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1082 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1083 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1084
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1085 case class_vector:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1086 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1087 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1088 const octave_idx_type *rdata = r->get_data ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1089 copy_or_memcpy (len, rdata, data);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1090 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1091 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1092
10702 c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1093 case class_mask:
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1094 {
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1095 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	1096 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	1097 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	1098 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	1099 if (mask[i])
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1100 data[j++] = i;
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1101 }
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1102 break;
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099) Jaroslav Hajek <highegg@gmail.com> parents: 10620 diff changeset	1103
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1104 default:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1105 assert (false);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1106 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1107 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1108 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1109
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1110 idx_vector
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1111 idx_vector::complement (octave_idx_type n) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1112 {
10491 077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1113 idx_vector retval;
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1114 if (extent (n) > n)
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1115 (*current_liboctave_error_handler)
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1116 ("internal error: out of range complement index requested");
3680 b8b0f5ff28e2 [project @ 2000-06-08 20:06:17 by jwe] jwe parents: 3504 diff changeset	1117
10491 077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1118 if (idx_class () == class_mask)
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1119 {
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1120 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	1121 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	1122 Array<bool> mask (dim_vector (n, 1));
10491 077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1123 const bool *data = r->get_data ();
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1124 bool *ndata = mask.fortran_vec ();
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1125 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	1126 ndata[i] = ! data[i];
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1127 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	1128 ndata[i] = true;
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1129 retval = new idx_mask_rep (mask, n - nz);
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1130 }
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1131 else
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1132 {
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1133 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	1134 fill (false, length (n), mask.fortran_vec ());
077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1135 retval = idx_vector (mask);
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
10491 077fef5da460 optimize null assignment with bool masks Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1138 return retval;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1139 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1140
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1141 bool
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1142 idx_vector::is_permutation (octave_idx_type n) const
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1143 {
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1144 bool retval = false;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1145
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1146 if (is_colon_equiv (n))
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1147 retval = true;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1148 else if (length (n) == n && extent(n) == n)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1149 {
8379 ad8ed668e0a4 allow initialized local buffers Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	1150 OCTAVE_LOCAL_BUFFER_INIT (bool, left, n, true);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1151
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1152 retval = true;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1153
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1154 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	1155 {
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1156 octave_idx_type k = xelem (i);
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1157 if (left[k])
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1158 left[k] = false;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1159 else
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 retval = false;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1162 break;
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 }
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
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1167 return retval;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1168 }
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1169
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1170 idx_vector
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1171 idx_vector::inverse_permutation (octave_idx_type n) const
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1172 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1173 assert (n == length (n));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1174
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1175 idx_vector retval;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1176
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1177 switch (idx_class ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1178 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1179 case class_range:
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1180 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1181 if (increment () == -1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1182 retval = sorted ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1183 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1184 retval = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1185 break;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1186 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1187 case class_vector:
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1188 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1189 idx_vector_rep r = dynamic_cast<idx_vector_rep > (rep);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1190 const octave_idx_type *ri = r->get_data ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1191 Array<octave_idx_type> idx (orig_dimensions ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1192 for (octave_idx_type i = 0; i < n; i++)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1193 idx.xelem(ri[i]) = i;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1194 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	1195 break;
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1196 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1197 default:
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1198 retval = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1199 break;
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 return retval;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1203 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1204
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10491 diff changeset	1205 idx_vector
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1206 idx_vector::unmask (void) const
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1207 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1208 if (idx_class () == class_mask)
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1209 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1210 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	1211 const bool *data = r->get_data ();
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1212 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	1213 octave_idx_type *idata = new octave_idx_type [len];
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1214
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1215 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	1216 if (data[i])
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1217 idata[j++] = i;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1218
10620 6fb954475e21 fix off-by-1 error in idx_vector (bug #29851) Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	1219 ext = len > 0 ? idata[len - 1] + 1 : 0;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1220
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1221 return new idx_vector_rep (idata, len, ext, r->orig_dimensions (),
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1222 DIRECT);
9879 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 else
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1225 return *this;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1226 }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1227
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1228 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	1229 double& scalar, Range& range,
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9879 diff changeset	1230 Array<double>& array, Array<bool>& mask) const
9479 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 iclass = idx_class ();
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1233 switch (iclass)
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1234 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1235 case class_colon:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1236 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1237
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1238 case class_range:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1239 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1240 idx_range_rep r = dynamic_cast<idx_range_rep > (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1241 range = r->unconvert ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1242 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1243 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1244
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1245 case class_scalar:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1246 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1247 idx_scalar_rep r = dynamic_cast<idx_scalar_rep > (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1248 scalar = r->unconvert ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1249 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1250 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1251
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1252 case class_vector:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1253 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1254 idx_vector_rep r = dynamic_cast<idx_vector_rep > (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1255 array = r->unconvert ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1256 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1257 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1258
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1259 case class_mask:
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1260 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1261 idx_mask_rep r = dynamic_cast<idx_mask_rep > (rep);
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1262 mask = r->unconvert ();
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1263 }
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1264 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1265
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1266 default:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1267 assert (false);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1268 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1269 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1270 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	1271
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	1272 Array<octave_idx_type>
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1273 idx_vector::as_array (void) const
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1274 {
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1275 return rep->as_array ();
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1276 }
10516 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 bool
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1279 idx_vector::is_vector (void) const
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1280 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1281 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	1282 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	1283
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	1284 octave_idx_type
8677 095ae5e0a831 eliminte some compiler warnings John W. Eaton <jwe@octave.org> parents: 8384 diff changeset	1285 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	1286 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1287 if (! resize_ok && extent (z_len) > z_len)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1288 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1289 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1290 ("invalid matrix index = %d", extent (z_len));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1291 rep->err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1292 chkerr ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1293 }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	1294
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1295 return length (z_len);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1296 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1297
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	1298 octave_idx_type
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1299 idx_vector::ones_count () const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1300 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1301 octave_idx_type n = 0;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1302
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1303 if (is_colon ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1304 n = 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1305 else
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1306 {
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1307 for (octave_idx_type i = 0; i < length (1); i++)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1308 if (xelem (i) == 0)
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1309 n++;
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1310 }
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1311
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1312 return n;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1313 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1314
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1315 // Instantiate the octave_int constructors we want.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1316 #define INSTANTIATE_SCALAR_VECTOR_REP_CONST(T) \
8319 c374691576f6 Fix for MSVC compilation Michael Goffioul <michael.goffioul@gmail.com> parents: 8301 diff changeset	1317 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	1318 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	1319
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1320 INSTANTIATE_SCALAR_VECTOR_REP_CONST (float)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1321 INSTANTIATE_SCALAR_VECTOR_REP_CONST (double)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1322 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int8)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1323 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int16)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1324 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int32)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1325 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int64)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1326 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint8)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1327 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint16)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1328 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint32)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	1329 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	1330
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851) Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	1331 /*
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 %!error id=Octave:index-out-of-bounds 1(find([1,1] != 0))
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851) Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	1334 %!assert ((1:3)(find([1,0,1] != 0)), [1,3])
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851) Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	1335
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851) Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	1336 */

Mercurial > octave-nkf

annotate liboctave/idx-vector.cc @ 14138:72c96de7a403 stable