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

annotate liboctave/idx-vector.cc @ 9479:d9716e3ee0dd

supply optimized compiled sub2ind & ind2sub

author	Jaroslav Hajek <highegg@gmail.com>
date	Mon, 03 Aug 2009 15:52:40 +0200
parents	47f19c11b558
children	a9b37bae1802

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
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8680 diff changeset	3 Copyright (C) 2008, 2009 Jaroslav Hajek
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	4 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002,
a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	5 2003, 2004, 2005, 2006, 2007 John W. Eaton
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"
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	35 #include "Sparse.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1343 diff changeset	36 #include "Range.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1343 diff changeset	37
8379 ad8ed668e0a4 allow initialized local buffers Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	38 #include "oct-locbuf.h"
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	39 #include "lo-error.h"
2500 e39839e18edc [project @ 1996-11-12 17:13:53 by jwe] jwe parents: 2386 diff changeset	40 #include "lo-mappers.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	41
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	42 static void
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	43 gripe_invalid_index (void)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	44 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	45 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	46 ("subscript indices must be either positive integers or logicals.");
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	47 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	48
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	49 static void
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	50 gripe_invalid_range (void)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	51 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	52 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	53 ("invalid range used as index.");
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	54 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	55
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	56 static void
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	57 gripe_index_out_of_range (void)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	58 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	59 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	60 ("internal error: idx_vector index out of range.");
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	61 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	62
8680 a2bcd96b9344 use allocators for idx_vector_rep subclasses Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	63 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	64
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	65 idx_vector::idx_colon_rep::idx_colon_rep (char c)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	66 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	67 if (c != ':')
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	68 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	69 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	70 ("internal error: invalid character converted to idx_vector. Must be ':'.");
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	71 err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	72 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	73 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	74
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	75 octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	76 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	77 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	78 if (i < 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	79 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	80 gripe_index_out_of_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	81 return 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 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	84 return i;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	85 }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	86
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	87 std::ostream&
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	88 idx_vector::idx_colon_rep::print (std::ostream& os) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	89 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	90 return os << ":";
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	91 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	92
8680 a2bcd96b9344 use allocators for idx_vector_rep subclasses Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	93 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	94
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	95 idx_vector::idx_range_rep::idx_range_rep (octave_idx_type _start, octave_idx_type _limit,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	96 octave_idx_type _step)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	97 : start(_start), len (_step ? (_limit - _start) / _step : -1), step (_step)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	98 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	99 if (len < 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	100 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	101 gripe_invalid_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	102 err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	103 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	104 else if (start < 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	105 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	106 gripe_invalid_index ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	107 err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	108 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	109 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	110
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	111 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	112 : start (0), len (r.nelem ()), step (1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	113 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	114 if (len < 0)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	115 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	116 gripe_invalid_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	117 err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	118 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	119 else if (len > 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	120 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	121 if (r.all_elements_are_ints ())
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 start = static_cast<octave_idx_type> (r.base ()) - 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	124 step = static_cast<octave_idx_type> (r.inc ());
9124 47f19c11b558 fix checking valid range subscripts Jaroslav Hajek <highegg@gmail.com> parents: 9045 diff changeset	125 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	126 {
47f19c11b558 fix checking valid range subscripts Jaroslav Hajek <highegg@gmail.com> parents: 9045 diff changeset	127 gripe_invalid_index ();
47f19c11b558 fix checking valid range subscripts Jaroslav Hajek <highegg@gmail.com> parents: 9045 diff changeset	128 err = true;
47f19c11b558 fix checking valid range subscripts Jaroslav Hajek <highegg@gmail.com> parents: 9045 diff changeset	129 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	130 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	131 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	132 {
9124 47f19c11b558 fix checking valid range subscripts Jaroslav Hajek <highegg@gmail.com> parents: 9045 diff changeset	133 gripe_invalid_index ();
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	134 err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	135 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	136 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	137 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	138
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5108 diff changeset	139 octave_idx_type
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	140 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	141 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	142 if (i < 0 \|\| i >= len)
4732 b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4653 diff changeset	143 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	144 gripe_index_out_of_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	145 return 0;
4732 b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4653 diff changeset	146 }
b484cdca27be [project @ 2004-02-04 04:32:48 by jwe] jwe parents: 4653 diff changeset	147 else
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	148 return start + i*step;
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	149 }
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	150
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	151 idx_vector::idx_base_rep *
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	152 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	153 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	154 if (step < 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	155 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	156 else
2500 e39839e18edc [project @ 1996-11-12 17:13:53 by jwe] jwe parents: 2386 diff changeset	157 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	158 count++;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	159 return this;
2500 e39839e18edc [project @ 1996-11-12 17:13:53 by jwe] jwe parents: 2386 diff changeset	160 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	161 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	162
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	163 std::ostream&
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	164 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	165 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	166 os << start << ':' << step << ':' << start + len*step;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	167 return os;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	168 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	169
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	170 inline octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	171 convert_index (octave_idx_type i, bool& conv_error,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	172 octave_idx_type& ext)
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	173 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	174 if (i <= 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	175 conv_error = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	176 if (ext < i) ext = i;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	177 return i - 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	178 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	179
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	180 inline octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	181 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	182 {
9007 7e31df9a0334 simplify double->int conversion in indexing Jaroslav Hajek <highegg@gmail.com> parents: 8972 diff changeset	183 octave_idx_type i = static_cast<octave_idx_type> (x);
7e31df9a0334 simplify double->int conversion in indexing Jaroslav Hajek <highegg@gmail.com> parents: 8972 diff changeset	184 if (static_cast<double> (i) != x)
7e31df9a0334 simplify double->int conversion in indexing Jaroslav Hajek <highegg@gmail.com> parents: 8972 diff changeset	185 conv_error = true;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	186
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	187 return convert_index (i, conv_error, ext);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	188 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	189
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	190 inline octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	191 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	192 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	193 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	194 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	195
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	196 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	197 inline octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	198 convert_index (octave_int<T> x, bool& conv_error,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	199 octave_idx_type& ext)
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	200 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	201 octave_idx_type i = octave_int<octave_idx_type> (x).value ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	202 return convert_index (i, conv_error, ext);
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	203 }
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	204
8680 a2bcd96b9344 use allocators for idx_vector_rep subclasses Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	205 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	206
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	207 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	208 idx_vector::idx_scalar_rep::idx_scalar_rep (T x)
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	209 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	210 octave_idx_type dummy;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	211 data = convert_index (x, err, dummy);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	212 if (err) gripe_invalid_index ();
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	213 }
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3680 diff changeset	214
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	215 idx_vector::idx_scalar_rep::idx_scalar_rep (octave_idx_type i)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	216 : data (i)
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	217 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	218 if (data < 0)
7572 85da2ab0c6fd logical indexing compatibility fixes John W. Eaton <jwe@octave.org> parents: 7425 diff changeset	219 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	220 gripe_invalid_index ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	221 err = true;
7572 85da2ab0c6fd logical indexing compatibility fixes John W. Eaton <jwe@octave.org> parents: 7425 diff changeset	222 }
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	223 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	224
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	225 octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	226 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	227 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	228 if (i != 0) gripe_index_out_of_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	229 return data;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	230 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	231
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	232 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	233 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	234 return os << data;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	235 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	236
8680 a2bcd96b9344 use allocators for idx_vector_rep subclasses Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	237 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	238
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	239 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	240 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	241 : 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	242 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	243 if (len != 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	244 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	245 octave_idx_type *d = new octave_idx_type[len];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	246 for (octave_idx_type i = 0; i < len; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	247 d[i] = convert_index (nda.xelem (i), err, ext);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	248 data = d;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	249
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	250 if (err) gripe_invalid_index ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	251 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	252 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	253
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	254 // 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	255
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	256 idx_vector::idx_vector_rep::idx_vector_rep (const Array<octave_idx_type>& inda)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	257 : data (inda.data ()), len (inda.numel ()), ext (0),
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	258 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	259 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	260 if (len != 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	261 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	262 octave_idx_type max = -1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	263 for (octave_idx_type i = 0; i < len; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	264 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	265 octave_idx_type k = inda.xelem (i);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	266 if (k < 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	267 err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	268 else if (k > max)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	269 max = k;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	270 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	271
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	272 ext = max + 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	273
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	274 if (err) gripe_invalid_index ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	275 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	276 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	277
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	278 idx_vector::idx_vector_rep::idx_vector_rep (bool b)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	279 : 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	280 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	281 if (len != 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	282 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	283 octave_idx_type *d = new octave_idx_type [1];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	284 d[0] = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	285 data = d;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	286 ext = 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	287 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	288 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	289
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	290 idx_vector::idx_vector_rep::idx_vector_rep (const Array<bool>& bnda)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	291 : data (0), len (0), ext (0), aowner (0), orig_dims ()
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 for (octave_idx_type i = 0, l = bnda.numel (); i < l; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	294 if (bnda.xelem (i)) len++;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	295
9045 ac0a23e9f5c5 more compatible indexing by logical empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9007 diff changeset	296 const dim_vector dv = bnda.dims ();
7774 ce52af0e4a10 all false logical indexing fix David Bateman <dbateman@free.fr> parents: 7727 diff changeset	297
9045 ac0a23e9f5c5 more compatible indexing by logical empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9007 diff changeset	298 if (! dv.all_zero ())
ac0a23e9f5c5 more compatible indexing by logical empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9007 diff changeset	299 orig_dims = ((dv.length () == 2 && dv(0) == 1)
ac0a23e9f5c5 more compatible indexing by logical empty matrices Jaroslav Hajek <highegg@gmail.com> parents: 9007 diff changeset	300 ? dim_vector (1, len) : dim_vector (len, 1));
7774 ce52af0e4a10 all false logical indexing fix David Bateman <dbateman@free.fr> parents: 7727 diff changeset	301
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	302 if (len != 0)
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	303 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	304 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	305
7572 85da2ab0c6fd logical indexing compatibility fixes John W. Eaton <jwe@octave.org> parents: 7425 diff changeset	306 octave_idx_type ntot = bnda.length ();
85da2ab0c6fd logical indexing compatibility fixes John W. Eaton <jwe@octave.org> parents: 7425 diff changeset	307
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	308 octave_idx_type k = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	309 for (octave_idx_type i = 0; i < ntot; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	310 if (bnda.xelem (i)) d[k++] = i;
7572 85da2ab0c6fd logical indexing compatibility fixes John W. Eaton <jwe@octave.org> parents: 7425 diff changeset	311
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	312 data = d;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	313
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	314 ext = d[k-1] + 1;
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	315 }
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	316 }
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	317
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	318 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	319 : data (0), len (0), ext (0), aowner (0), orig_dims ()
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	320 {
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	321 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	322 if (bnda.data (i)) len++;
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	323
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	324 dim_vector dv = bnda.dims ();
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	325
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	326 orig_dims = ((dv.length () == 2 && dv(0) == 1)
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	327 ? dim_vector (1, len) : orig_dims = dim_vector (len, 1));
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	328
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	329 if (len != 0)
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	330 {
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	331 octave_idx_type *d = new octave_idx_type [len];
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	332
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	333 octave_idx_type nnz = bnda.nnz ();
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	334
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	335 octave_idx_type k = 0;
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	336 // 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	337 for (octave_idx_type i = 0; i < nnz; i++)
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	338 {
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	339 if (bnda.data (i))
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	340 d[k++] = bnda.cidx (i) + bnda.rows () * bnda.ridx (i);
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	341 }
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	342
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	343 data = d;
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	344
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8379 diff changeset	345 ext = d[k-1] + 1;
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	346 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	347 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2800 diff changeset	348
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	349 idx_vector::idx_vector_rep::~idx_vector_rep (void)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	350 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	351 if (aowner)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	352 delete aowner;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	353 else
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	354 delete [] data;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	355 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	356
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5108 diff changeset	357 octave_idx_type
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	358 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	359 {
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	360 if (n < 0 \|\| n >= len)
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	361 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	362 gripe_invalid_index ();
227 1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	363 return 0;
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	364 }
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 209 diff changeset	365
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	366 return xelem (n);
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	367 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	368
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	369 idx_vector::idx_base_rep *
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	370 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	371 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	372 octave_idx_type *new_data = new octave_idx_type[len];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	373 std::copy (data, data + len, new_data);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	374 std::sort (new_data, new_data + len);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	375 octave_idx_type new_len;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	376 if (uniq)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	377 new_len = std::unique (new_data, new_data + len) - new_data;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	378 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	379 new_len = len;
2966 458cea5c8356 [project @ 1997-05-12 20:17:35 by jwe] jwe parents: 2847 diff changeset	380
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	381 return new idx_vector_rep (new_data, new_len, ext, orig_dims, DIRECT);
209 5869adaa6aea [project @ 1993-11-12 10:44:40 by jwe] jwe parents: 191 diff changeset	382 }
5869adaa6aea [project @ 1993-11-12 10:44:40 by jwe] jwe parents: 191 diff changeset	383
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	384 std::ostream&
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	385 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	386 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	387 os << '[';
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	388 for (octave_idx_type ii = 0; ii < len - 1; ii++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	389 os << data[ii] << ',' << ' ';
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	390 if (len > 0) os << data[len-1]; os << ']';
7425 fe4a43e1d1d3 [project @ 2008-01-28 09:13:01 by jwe] jwe parents: 7422 diff changeset	391
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	392 return os;
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	393 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	394
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	395 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	396
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	397 bool idx_vector::maybe_reduce (octave_idx_type n, const idx_vector& j,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	398 octave_idx_type nj)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	399 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	400 bool reduced = false;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	401
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	402 // Empty index always reduces.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	403 if (rep->length (n) == 0)
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	404 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	405 *this = idx_vector ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	406 return true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	407 }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	408
8972 5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	409 // Possibly skip singleton dims.
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	410 if (n == 1 && rep->is_colon_equiv (n))
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	411 {
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	412 *this = j;
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	413 return true;
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	414 }
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	415
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	416 if (nj == 1 && j.is_colon_equiv (nj))
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	417 return true;
5fa53d1b6247 more indexing optimizations Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	418
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	419 switch (j.idx_class ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	420 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	421 case class_colon:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	422 if (rep->is_colon_equiv (n))
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	423 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	424 // (:,:) reduces to (:)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	425 *this = colon;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	426 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	427 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	428 else if (rep->idx_class () == class_scalar)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	429 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	430 // (i,:) reduces to a range.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	431 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	432 octave_idx_type k = r->get_data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	433 *this = new idx_range_rep (k, nj, n, DIRECT);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	434 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	435 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	436 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	437 case class_range:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	438 if (rep->is_colon_equiv (n))
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	439 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	440 // (:,i:j) reduces to a range (the step must be 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	441 idx_range_rep * rj = dynamic_cast<idx_range_rep *> (j.rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	442 if (rj->get_step () == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	443 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	444 octave_idx_type s = rj->get_start (), l = rj->length (nj);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	445 this = new idx_range_rep (s n, l * n, 1, DIRECT);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	446 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	447 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	448 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	449 else if (rep->idx_class () == class_scalar)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	450 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	451 // (k,i:d:j) reduces to a range.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	452 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	453 idx_range_rep * rj = dynamic_cast<idx_range_rep *> (j.rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	454 octave_idx_type k = r->get_data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	455 octave_idx_type s = rj->get_start (), l = rj->length (nj);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	456 octave_idx_type t = rj->get_step ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	457 this = new idx_range_rep (n s + k, l, n * t, DIRECT);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	458 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	459 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	460 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	461 case class_scalar:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	462 switch (rep->idx_class ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	463 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	464 case class_scalar:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	465 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	466 // (i,j) reduces to a single index.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	467 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	468 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	469 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	470 *this = new idx_scalar_rep (k, DIRECT);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	471 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	472 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	473 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	474 case class_range:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	475 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	476 // (i:d:j,k) reduces to a range.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	477 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	478 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	479 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	480 octave_idx_type t = r->get_step ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	481 octave_idx_type k = rj->get_data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	482 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	483 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	484 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	485 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	486 case class_colon:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	487 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	488 // (:,k) reduces to a range.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	489 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	490 octave_idx_type k = rj->get_data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	491 this = new idx_range_rep (n k, n, 1, DIRECT);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	492 reduced = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	493 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	494 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	495 default:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	496 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	497 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	498 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	499 default:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	500 break;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	501 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	502
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	503 return reduced;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	504 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	505
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	506 bool
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	507 idx_vector::is_cont_range (octave_idx_type n,
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	508 octave_idx_type& l, octave_idx_type& u) const
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	509 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	510 bool res = false;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	511 switch (rep->idx_class ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	512 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	513 case class_colon:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	514 l = 0; u = n;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	515 res = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	516 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	517 case class_range:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	518 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	519 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	520 if (r->get_step () == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	521 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	522 l = r->get_start ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	523 u = l + r->length (n);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	524 res = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	525 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	526 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	527 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	528 case class_scalar:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	529 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	530 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	531 l = r->get_data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	532 u = l + 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	533 res = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	534 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	535 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	536 default:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	537 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	538 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	539
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	540 return res;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	541 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	542
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	543 void
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	544 idx_vector::copy_data (octave_idx_type *data) const
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	545 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	546 octave_idx_type len = rep->length (0);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	547
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	548 switch (rep->idx_class ())
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	549 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	550 case class_colon:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	551 current_liboctave_error_handler ("colon not allowed");
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	552 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	553 case class_range:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	554 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	555 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	556 octave_idx_type start = r->get_start (), step = r->get_step ();
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	557 octave_idx_type i, j;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	558 if (step == 1)
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	559 for (i = start, j = start + len; i < j; i++) *data++ = i;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	560 else if (step == -1)
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	561 for (i = start, j = start - len; i > j; i--) *data++ = i;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	562 else
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	563 for (i = 0, j = start; i < len; i++, j += step) *data++ = j;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	564 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	565 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	566 case class_scalar:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	567 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	568 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	569 *data = r->get_data ();
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	570 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	571 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	572 case class_vector:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	573 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	574 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	575 const octave_idx_type *rdata = r->get_data ();
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	576 std::copy (rdata, rdata + len, data);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	577 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	578 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	579 default:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	580 assert (false);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	581 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	582 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	583
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	584 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	585
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	586 idx_vector
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	587 idx_vector::complement (octave_idx_type n) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	588 {
8379 ad8ed668e0a4 allow initialized local buffers Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	589 OCTAVE_LOCAL_BUFFER_INIT (bool, left, n, true);
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	590
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	591 octave_idx_type cnt = n;
3680 b8b0f5ff28e2 [project @ 2000-06-08 20:06:17 by jwe] jwe parents: 3504 diff changeset	592
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	593 for (octave_idx_type i = 0, len = length (); i < len; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	594 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	595 octave_idx_type k = xelem (i);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	596 if (k < n && left[k])
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	597 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	598 left[k] = false;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	599 cnt--;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	600 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	601 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	602
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	603 octave_idx_type len = cnt, *data = new octave_idx_type[len];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	604 for (octave_idx_type i = 0, j = 0; i < n; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	605 if (left[i]) data[j++] = i;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	606
8301 f7d44b6a74df fix out-of-bounds checks in null assignments Jaroslav Hajek <highegg@gmail.com> parents: 8290 diff changeset	607 return new idx_vector_rep (data, len,
f7d44b6a74df fix out-of-bounds checks in null assignments Jaroslav Hajek <highegg@gmail.com> parents: 8290 diff changeset	608 len ? data[len-1]+1 : 0,
f7d44b6a74df fix out-of-bounds checks in null assignments Jaroslav Hajek <highegg@gmail.com> parents: 8290 diff changeset	609 dim_vector (1, len), DIRECT);
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	610 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	611
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	612 bool
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	613 idx_vector::is_permutation (octave_idx_type n) const
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	614 {
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	615 bool retval = false;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	616
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	617 if (is_colon_equiv (n))
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	618 retval = true;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	619 else if (length (n) == n && extent(n) == n)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	620 {
8379 ad8ed668e0a4 allow initialized local buffers Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	621 OCTAVE_LOCAL_BUFFER_INIT (bool, left, n, true);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	622
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	623 retval = true;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	624
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	625 for (octave_idx_type i = 0, len = length (); i < len; i++)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	626 {
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	627 octave_idx_type k = xelem (i);
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	628 if (left[k])
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	629 left[k] = false;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	630 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	631 {
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	632 retval = false;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	633 break;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	634 }
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	635 }
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	636
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	637 }
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	638
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	639 return retval;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	640 }
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	641
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	642 void idx_vector::unconvert (idx_class_type& iclass,
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	643 double& scalar, Range& range, Array<double>& array) const
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	644 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	645 iclass = idx_class ();
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	646 switch (iclass)
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	647 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	648 case class_colon:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	649 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	650 case class_range:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	651 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	652 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	653 double start = r->get_start (), step = r->get_step ();
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	654 range = Range (start+1, step, r->length (0));
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	655 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	656 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	657 case class_scalar:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	658 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	659 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	660 scalar = r->get_data () + 1;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	661 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	662 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	663 case class_vector:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	664 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	665 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	666 const octave_idx_type *data = r->get_data ();
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	667 array = Array<double> (r->orig_dimensions ());
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	668 octave_idx_type len = r->length (0);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	669 for (octave_idx_type i = 0; i < len; i++)
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	670 array.xelem (i) = data[i] + 1;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	671 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	672 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	673 default:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	674 assert (false);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	675 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	676 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	677 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 9124 diff changeset	678
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	679 octave_idx_type
8677 095ae5e0a831 eliminte some compiler warnings John W. Eaton <jwe@octave.org> parents: 8384 diff changeset	680 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	681 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	682 if (! resize_ok && extent (z_len) > z_len)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	683 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	684 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	685 ("invalid matrix index = %d", extent (z_len));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	686 rep->err = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	687 chkerr ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	688 }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1552 diff changeset	689
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	690 return length (z_len);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	691 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	692
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	693 octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	694 idx_vector::ones_count () const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	695 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	696 octave_idx_type n = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	697 if (is_colon ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	698 n = 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	699 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	700 for (octave_idx_type i = 0; i < length (1); i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	701 if (xelem (i) == 0) n++;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	702 return n;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	703 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	704
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	705 // Instantiate the octave_int constructors we want.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	706 #define INSTANTIATE_SCALAR_VECTOR_REP_CONST(T) \
8319 c374691576f6 Fix for MSVC compilation Michael Goffioul <michael.goffioul@gmail.com> parents: 8301 diff changeset	707 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	708 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	709
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	710 INSTANTIATE_SCALAR_VECTOR_REP_CONST (float)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	711 INSTANTIATE_SCALAR_VECTOR_REP_CONST (double)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	712 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int8)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	713 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int16)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	714 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int32)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	715 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int64)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	716 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint8)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	717 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint16)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	718 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint32)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	719 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint64)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7774 diff changeset	720
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	721 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	722 ;;; Local Variables: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	723 ;;; mode: C++ ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	724 ;;; End: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	725 */

Mercurial > hg > octave-nkf

annotate liboctave/idx-vector.cc @ 9479:d9716e3ee0dd